subject stringclasses 4
values | grade stringclasses 15
values | skill stringclasses 445
values | pic_choice bool 2
classes | pic_prob bool 2
classes | problem stringlengths 0 1.12k | problem_pic unknown | choices listlengths 2 4 ⌀ | choices_pic listlengths 2 4 ⌀ | answer_idx int64 0 3 |
|---|---|---|---|---|---|---|---|---|---|
math | grade-6 | interpret-double-bar-graphs | false | true | For an economics project, Cole determined the cost of ferry rides for bicycles and cars. Which charges more for a car, the Seattle-Bremerton ferry or the Mukilteu-Clinton ferry? | "iVBORw0KGgoAAAANSUhEUgAAAZcAAAIQCAYAAABNOyPwAABXYElEQVR4nO3deVwU9eM/8NeyiBwrkoDiUeuVkgiCRAKhpuZFh0dEpOknEjWQvMVMvml94JM3CpmGR2ZllBleUSqWgoVJgHjghSIqiMqxCCkSy/7+8Md+3A8ICrMzsLyej0ePZGZn5jWKvpjrPTKNRqMBERGRgIykDkBERIaH5UJERIIzljoAUX1UVFQgOjoaZ86cQatWrfCf//xH6khE9ACWCz3Uv//9b1y7dq3GedOmTYOTk5PIif4rPT0d6enpeOqppzBo0CDJchB... | [
"Seattle-Bremerton",
"Mukilteu-Clinton"
] | null | 0 |
math | calculus | determine-continuity-on-an-interval-using-graphs | false | true | Is the function f(x) continuous on the open interval ( – 4,2)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACG5ElEQVR4nOzdd1wUZ/4H8M+yu/QqKCAKaOwG7BoV22mMLcYSo0kuiYmXdmnmkrvUy6Wa5C69Xbqau9wv0cSSqNhiI2hEUFCwIQoCSllgYftsmd8fBCKxgc7DgHzer1ded7vufPbLzO7sd599ZkYjy7IMIiIiIiJShJfaBRARERERXUnYYBMRERERKYgNNhERERGRgthgE1EDW7ZsQXx8PKZOnQoAuP7667Fy5cpzPtbpdOKaa67BL7/80pwlEhERtWgaHuRIRGeaMGE... | [
"yes",
"no"
] | null | 0 |
math | grade-1 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAIs0lEQVR4nO3dXWxbZxkH8L8d27GTxnVKktGkX1kGbUazDLGmGrTEJRGdNAk1Ai4ahqg1JFQ0WJEQQ6JDrrpebBdITIjdoCWIsV5NC5M2rVKaKiuiU0LBVfqRsSyrujplSfAc5+PYsePDRT6UdHb92rV9Xp/3/5Mm1fPjp0/d868/Yj/H0t7ernu9XuTD4OAgdF0H++Xe78KFC3npZTSv1yv1/axaP5vX64Xf789Lw1OnTkHXdfa7j35mweNKrn7WvHQiIqkx6EQKYNC... | [
"slide",
"turn",
"flip"
] | null | 1 |
math | grade-1 | count-sides-and-corners | true | false | Which shape has 5 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAChklEQVR4nO3UP25UVxyG4d+M/xTEJF1QaFGSJdCwh+woUrKiZA9U7ACIaDGtbSzheHRTXCGlNqN30PA81b06OtJXvDqbZVmWy7uZf25nrncz98vAFzvdzDw+mfn50cyT85nN5adleXV16Fkcs+ffz5y+vV1/fjqf+fW7tUL4Ute7mdcfZ97fzby5ndle3a8HImOfHp+sTc3M3Oxmtrv/HcA+fW7q32Vme9gpfCuERkJoJIRGQmgkhEZCaCSERkJoJIRGQmgkhEZ... | 1 |
math | grade-6 | model-and-solve-equations-using-algebra-tiles | true | false | Which equation does this set of algebra tiles represent? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAEy0lEQVR4nO3dUUiTaxzH8e+rW5in5oWizhurMSdmCSUk3QRmF12cm4JgkPMiaEEXRaAgVDeua5GghF0pgiJ2USJ4KSMohEEFIu9JBgliBx3V1Jra63MuljvtNI9H5+PeI/8PvOj+77Pn+SM/3/dBmK+hlFIf12DmKyxZ8F0hxI45DDhaCN5iqDgExsdVpSYT+W5LHCTnXOB4/zX1wn0IfL+lUifETi1ZYK7A/Br88RUKEt9TJyRUIhdHC1MZAli2oMD66YQQudj... | 0 |
math | grade-7 | classify-rational-numbers-using-a-diagram | false | true | Use the diagram to help you answer the question below. Which of the following is a whole number? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEuCAYAAAC08GWcAACHsElEQVR4nO3dd3hUZfbA8e/0kklvdEgIndCbAgIioogKAhaw4urqil3X9efaVl3XLmtbKyqgKKCAoFJUekd6D4QO6W0yvfz+uMlApEuSKTmf58mTYZJMzoTkzrnnnve8Kr/f70eIOiTH5uNIuZdCh49ytx+bx4fd48fm9mPz+JXbFf8O3K683+07xX1+ytzKn1GUVoVRq8KoUWHUgilw+/j7P95nqrgv1qAmzqAi3qAm3qgmzqAm3qC8j9GrgvxTE0IIIcS5UkmCLSJ... | [
"– 16 9/10",
"7 2/7",
"–78",
"51"
] | null | 3 |
math | grade-4 | decompose-fractions-into-unit-fractions-using-models | false | true | How do you write 3/4 as a sum of unit fractions? Use the fraction strips to help. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABsCAYAAABQF8VPAAAHZUlEQVR4nO3dT4yUdx3H8e/sTF0XoUhBitISWyUNcrEJQiV60KaLicVaiWmNDRLak5TEf4FYQkqlMSnpwSjxYEhsjWnDTRMbKn+2ltQqCAkReurKvyJp09Kyu4HdZdh9PBAIXS9b8uP58Tzzel2Y2ezhk+9heGcyu9so2u8V8d+tEYP7Ii5+EABUQGtGxM1LIuY+HtGamXsNAFdpFEc3FHF2T+4dAFyLT94bccfTuVcAcJVWDP3r0qPbHovouSPvGgAmZ/hYxKltEUM... | [
"1/4+1/4+1/4",
"2/3+2/3",
"1/4+1/4+1/4+1/4",
"1/3+1/3+1/3+1/3"
] | null | 0 |
math | pre-k | tall-and-short | true | false |
Which pipe organ is taller? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAGgAAAD5CAYAAADLJnBHAAAT2klEQVR4nO2deZgU1YHAf1V999wHyDUKEiTKZQ6DiH5mo0lgsxtiTILRbEzQ4H4mbsRjE41fNOqXLxuIOUwWRKMm7BJQXAOGjNHIp9EZUCZGoWdwYICBnvvs+6iu7to/GnpmYJiBPqYfw/v9M3XNe6/qV++oV+9VK4ZhGB0aNIXAHwfdQJJHzAoUmWCWE86zgtIRNYx3fPlOlmQ4FhaD+UAouTLZCrMLkvYk+cMfh8YgtGuwPwSqT0/ukHLEoMiUdAEQiIMaH7R... | 1 |
math | grade-1 | count-sides-and-corners | true | false | Which shape has 4 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACe0lEQVR4nO3Uv24UVxyG4d+svS74ly4RF0DS0nFBuS8uiIqWkD6mtcESxquhGCGlNqt3o83zVDM6OtJXvDrLuq7r9f3M33czt4eZh3Xgp10uM88vZl49mfntama5/rqu725OPYtz9ubFzOXHu+3n5dXMH0+3CuFn3R5mPnyZ+ed+5q+7md3Nw3YgMo7p+cXW1MzM58PM7vCvAzimH019W2d2p53C/4XQSAiNhNBICI2E0EgIjYTQSAiNhNBIXD724jozf77/dsQ... | 0 |
science | grade-5 | compare-magnitudes-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes and shapes. | "iVBORw0KGgoAAAANSUhEUgAAAfUAAACtCAYAAACp4uY/AAAWd0lEQVR4nO3deXBUZb7G8afToemERpIAQhJGIDTIpoJsA6IQVlnDvjjMTCHDMiMI4zCAAyJTapVRSogLmwwYjFBc5t5CDFHqugQkBbJFUFYDGJx0EMYsEExD0un7B5ceMQhJ7OR0H78fqqs43W+/7++k3vST8/bp0xav1+sVAAAIeiFGFwAAAPyDUAcAP/n8889lsVhuutlsNrVu3VoLFixQUVFRpfobM2aM+vXrV+k6jh07puHDh6thw4Zq2LChhg4dqi+//LLS/SD... | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs."
] | null | 0 |
math | pre-k | circles-squares-triangles-and-rectangles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJgAAACaCAYAAABVCoEqAAAD3ElEQVR4nO3azW4URxRA4TPjnwWGRGwS5QECj4DE+4tIvAEh+5gVkY1HwvGos2isGLCNPVO3q+rWOasulXR1F59q1atpmqbTS/hrA+dbuJow27nDFTw7gN+fwK/HsDr9PE1vz2qvZRl79RMcvt/Mh9+O4eXJrM9s18638O4C/r6EPzewPruaL8RlJXp2MFsC+LSF9fbGhVmJri39O8G67iqWPYFZaAKz0ARmoQnMQhOYhSYwC01gFprALDSBWWgCs9AEZqEJzG7... | 2 |
math | algebra-2 | domain-and-range-of-exponential-and-logarithmic-functions | false | true | What is the domain of this logarithmic function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABzV0lEQVR4nO3de3xUd50//teZ+2RyJQlJCCRAaVNDEyiUIreWCra11SrYbqs/L3W7X7d+rXXdx8/dfnV11W+369ddXXWr39pda+t+9/d1rb1ooQFBLsFgoaQQSKA0DZALkMskk8lcz2XO+f0RJiVcZ8j55Mwkr+c/bSYzr3lzzsyZ93zyOecjGYZhgIiIiIiITGGzugAiIiIioqmEDTYRERERkYnYYBMRERERmYgNNhGNU1lZib179479fPLkSZSWlqKzs9PCqoiIiLI... | [
"all real numbers",
"$\\{x \\mid x \\geq-4\\}$",
"$\\{x \\mid x>-4\\}$",
"$\\{x \\mid x<-4\\}$"
] | null | 2 |
math | grade-3 | which-picture-shows-more | true | false | Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAlYAAAFmCAYAAACvN9QvAAEAAElEQVR4nOz9PYwkS5bvif3e24eFBYklzAACdKNUJhCEp+ZBgchYqWK0aFDJWqmSUmdr2VoVpVsjTV2JdbWb2mRLkyWxUiBxQ3tR0kYAFMK1dPADsNLcARIwwy65blzuw1A45h+RVbd7eqbx5nUxDlAVGREe/mGf5/zP/5zzb/7xH//xH7v/Hv7v/x38t/8B/od/5CxnOctZznKWs5zlLP8E+Xf/Bv6L/wz+F/8j+J/95/Bvuv/PP/7j//m/+de+rbOc5SxnOct... | 0 |
math | grade-4 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACACAYAAAAxkR62AAAWvklEQVR4nO3de3SV13nn8e8BgUAIBEJCCAkJAUJgDLYxBhuM787QNqmdy6TtyqRNx24ymTSZpJPEubQZt9Paid0kXu5KO0mT5uKm48kkbpxL7cbG2NiAsTEY2xhxEQKBEEIIISF0Q+jMH1v4AOOLDpyj90j6ftay19629J6Hi9f68fjdz47F4/E4kiRJklJiVNQFSJIkScOJAVuSJElKIQO2JEmSlEIGbEmSJCmFDNiSJElSChmwJUmSpBQyYEuSJEkplDWgr3r4T6H... | [
"no pairs",
"1 pair",
"2 pairs"
] | null | 2 |
math | grade-1 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAObElEQVR4nO3dfVAU9xkH8O/eHYg55M0K2AbkdAxG70xEYzSNBIkvQzSttoJNnGkw1mlCjOk0GTFjbKCJU5mq0wmpMZNBaTLVRpnGVo1GUgnYiu+ivEhi8M6XhrcqnHB4yN1u/0CIL3ewe7dvd/t8ZjIDZu+533C/7+37s8xTTz3FpaWlQQzl5eXgOA5Uz/d6ZWVlotRSWlpamqr/zlqrZ0hLS0NeXp4oBfPz88FxHNXzo16woHmlrno6USoRQlSNgk6IBlDQCdEACjo... | [
"slide",
"flip",
"turn"
] | null | 1 |
math | grade-3 | read-a-calendar | false | true | What day of the week is June 18? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAF2CAYAAAAbcOzWAABXS0lEQVR4nO3deVxU9f7H8RcD4i6ILG6ZKCpaRErmgkSZ5oK2mFl6LUtNLbW6lualLPuZedPqlllZt8WlzDUTNUOxCwqpqSjuKxoS7oiJyObM7w9jEkEdlGHg8H4+Hj6EOWdmPvPhzMx7vud7zjhZLBYLl4k4FMvPv6/nSPoJREREROTm3VLNm663tuVB3w6OLkXKAafLA37EoVgS//yDf7TojGuFCliwXOu6IiIiInIdTjiRnZPDd7tW4Vu9Lg81CnF0SWJwpst/+fn... | [
"Saturday",
"Sunday"
] | null | 0 |
engineer | grade-6 | identify-control-and-experimental-groups | false | true | In this experiment, which were part of a control group? The passage below describes an experiment. On winter mornings, Lisa had to scrape the ice off of the windshield and side mirrors of her car. Her friend told her that she should cover her side mirrors with plastic bags overnight to stop ice from forming.
One winter... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAEhCAYAAAAUBJnbAAEAAElEQVR4nOz9WYxlSXrnif3Mznb367uHxx6RkZFbbVmVLBZZVc0mqW6K3ZqZFnow0xhoNNAAgiD0oyA9CtCDoAcBAwHCPIxGAgaSgMGopcaohRkMR82m2CSbRTJrr8rKPWP1cA9frvvdz2amBztm1+7x65FZpIpZFNoCHnc7qx2zv33L//s+8Y//8T/W/Ov2r9u/bv+6/Q1q/9F/9B99LucNAb7z53+AEML9SREShiFxHBNFEWWpCYKAMIwIggApZfU5JAgC2q2+2z6... | [
"the covered side mirrors",
"the uncovered side mirrors"
] | null | 1 |
math | grade-7 | bases-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its bases? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADtCAYAAACF+wIyAAAWcUlEQVR4nO3dfZBV9Z3n8c/tbp66aYiAREQjlANEoxljJWZtMYAYQ20nQ6cso4sxD7K6wdEMqSgxKZMyZrYsM2ZWYzZBdAwbE3G3YrlTg6mKultYpdTUsqmVUpIBSsWgOPbQKrQ00PTD/gGN4iPC6T7dt1+v0uqGvvec723+ed9T5/5+ld7e3t4AAACFqCl7AAAAqCZVGdibN2/OzJkzM3/+/OzcubPscQAAGEYq1XaLyAsvvJCzzz47L7zwQpLk9NNPz5o1azJhwoS... | [
"pentagon",
"triangle",
"octagon",
"square"
] | null | 1 |
math | calculus | determine-one-sided-continuity-using-graphs | false | true | Is f(x) continuous from the right at x= – 6? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB2gklEQVR4nO3de3xU9Z0//teZaybJhAlJCBBMEBAUSAJo0CA3i6JbbwVLtd1K7Sq7trW2fazd7ber/W2rX9f9trbfqnX7tXW9tfvdb2m9a0QQJDQogQiBBASMkAsh90kyM5k5lznn98cwIeE6A+eTmUlez8fDR5vJzHvenDNz5jWffM7nSIZhGCAiIiIiIlNYEt0AEREREdFowoBNRERERGQiBmwiIiIiIhMxYBPRMJs3b8bUqVNx8803AwBuvfVWvPbaa2e8r6qquOa... | [
"yes",
"no"
] | null | 0 |
science | grade-8 | identify-rocks-and-minerals | false | true | Turquoise has the following properties:
non-metallic luster
not made by organisms
fixed crystal structure
solid
pure substance
naturally occurring Is turquoise a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAB3wElEQVR4nOz9SZOl153mif3O8I539DE8BgQiMBAkmCSTyawcqqqzqrq6utvUK7XJSm1tVmZaaadPoe8gLWTaSBttZNKiJesyZSmrrCurMyuTmSSTJABiCAAx+3T9Tu9wRi3OdQ8PAAyymxiIlD8wx/W4fof33vc87/mPz1/EGCNXuMIVPhPyqz6AK1zhtxlXBLnCFV6AK4Jc4QovwBVBrnCFF+CKIFe4wgtwRZArXOEFuCLIFa7wAlwR5ApXeAGuCHKFK7wAVwS5whV... | [
"rock",
"mineral"
] | null | 1 |
science | grade-2 | identify-properties-of-an-object | false | true | Which property matches this object? Select the better answer. | "iVBORw0KGgoAAAANSUhEUgAAAKwAAADcCAYAAADtE0oZAACNxElEQVR4nOy9d7Rl11Xm+1s775PPzaFyqSRVKZVysCQnGWMb2+1Mto3bxIZuePTj0dDufjS8poHuBw00GYMN2DiAjY2xjYOsnHOonOvmcPLOe70/1j7hhpJUbniUxtAco6R7z91nx7nnmuGb3xRSSgng+z6zs7M0Gg3iOOYVeUX+pcUwDEqlEpOTkziOA4CQUkrP8zh69Cjbt2/HcRxM0/wXPtVX5BWBKIrwfZ8TJ06wZ88eHMdBeJ4nDx8+zBVXXPEvfX6vyCtyTnn... | [
"smooth",
"rough"
] | null | 1 |
math | algebra-1 | domain-and-range-of-absolute-value-functions-graphs | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABlEElEQVR4nO3dfZRU9YHm8ae6Xvr9jW7oRrBBRDBgN4qighB1IOpoYgKJg5oXdd0kzo5JNufs7HHnzGRn5rhuzsxk5oxrMtnsZn2Zk0wmTtSMYEswoBCIIK000Ci2LTQ02C9Fv9X7rap79w9SHRoa6Yb76+rq/n7O8Xi66PvUr++t+t2nbt265XEcxxEAAAAAV+RlewAAAADAZELBBgAAAFxEwQYAAABcRMEGMMysWbO0c+fOoZ8PHz6s6dOnq729PYujAgAgd1CwAQz... | [
"$\\{y \\mid y>0\\}$",
"$\\{y \\mid y \\geq 1\\}$",
"$\\{y \\mid y \\geq 0\\}$",
"all real numbers"
] | null | 2 |
math | algebra-1 | write-compound-inequalities-from-graphs | false | true | What compound inequality describes this graph? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAALDUlEQVR4nO3da0xUZx4G8GdgBmRQQR0VUIoSLbbWkgooLJcWd93YWC9AqU4lkdK0mnTbbq+YputWVrvVXqzgNoYUZaMlXVmqra3V3aJApIQMU4zWBEqb5aatgXUQ0Z05c3D2Aw4tDOgMUF7O4fklZsw5fnj+OiYP77zzHo3D4XBARYqKiqDRaGA0GkVHGRbOMbZwjrFFLXMQEZE6aUUHGGktLS2iI4wIzjG2cI6xRS1zEBGROrldsO12O8xmMxpLP4Ij/DdcOaLbks4... | [
"$x<4$ or $x \\geq 5$",
"$x \\leq 4$ or $x>5$",
"$x \\leq 4$ or $x \\geq 5$",
"$x<4$ or $x>5$"
] | null | 0 |
math | grade-1 | which-picture-graph-is-correct | true | true | Jill made some soup. She added these foods. Which picture graph shows the right number of each food? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAABaSUlEQVR4nO3deXxU5b0/8M+cc2ZJZpIQCIQdZRFQMFgUF1TAutYqqF20VaHVtlq0VW9xqfVKa6u19lasWrW22ur9ud0q2rqLglq0bggKCoZoWEL22dez/v4YEwhzsp+ZMzP5vF+v+2rynJk538Dg/eSZ5/k+DsMwDBARERERkSUEuwsgIiIiIiomDNhERERERBZiwCYiIiIishADNhERERGRhRiwiYiIiIgsxIBNRERERGQhBmwiIiIiIgsxYBMRERERWYgBm4iIiIj... | null | [
"iVBORw0KGgoAAAANSUhEUgAABTMAAAEOCAYAAABVZYOvAACegklEQVR4nOzdd3xT5f4H8E/OyWqbthRKB3sPBVsFVERlXATcuO4VrwrufR1X3ANFr/MK/py4r7hQEdw4QRREQaSIUCyjtJTukdnk5IzfH6ENISlN2zRJ28/79eJF+5yT5/nm2xaab56h0zRNAxERERERRYROp4t1CERERESdlhDrAIiIiIiIiIiIiIjCwWImERERERERERERdQgsZhIREREREREREVGHwGImERERERERERERdQgsZhIREREREREREVGHwGImERE... | 1 |
math | kindergarten | one-less-with-pictures-up-to-5 | true | true | Count the trees in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABw0UlEQVR4nOzdZ7wk6V3Y+19VdXd1zunknM/kPLO7syutUAQJSYAEmCARbIMwwdf2BWcuNmBsYzA4ALIBEyQkECAhIWlzmBxPzjl1zl1V3VV1XwxatGYVVtqdObNT31cz+5nZrVP//fXznDrV1YJpmiYWi8VisVgsFovlNSHe6wOwWCwWi8VisVjeSKwNtsVisVgsFovF8hqyNtgWi8VisVgsFstryNpgWywWi8VisVgsryFrg22xWCwWi8VisbyGrA22xWKxWCwWi8X... | null | [
"iVBORw0KGgoAAAANSUhEUgAABCEAAAB+CAYAAAAa5QvPAADXLklEQVR4nOz9aZgsW0LQe/8jcoqc56Hmea7a83jm7kZoGhRQQBCeKyp436voKzjD1Q/Xq76googKoqAgKnY33UoDPZ152vNcc1VW5VBTznNmRGRGxPthdx9QUWjoU7v2OfH7sp99zpfcuZ7/ilWrIlYIgIHJZDKZTCaTyWT6ujAMgyMVttvQ0KBnrrZNJtOHlFUArwWmXBC3P/5vAuYmhMlkMplMJpPJ9HVzpBjcrD/pT2EymUwny2UfxOxgfdIfxGQymUwmk8l... | 1 |
math | grade-2 | how-much-more-to-make-a-dollar | true | true | You have these coins:Which coins do you need to make a dollar? | "iVBORw0KGgoAAAANSUhEUgAAAUEAAABNCAYAAAA4u9b+AAB/AklEQVR4nOy9eZxcZZX//76179VVXb3ve3f2pLOvhEBICBBWURBRQZgZnXFGx2XUGfWno6POivp1Q1EUFBCCbIEkJCH7vqeXdNL7Vl3d1bVv99a9vz8q95IoYMIiOsN5vfKCpLtv3efpe89zzvl8zucIiqIovGfv2Xv2nv0fNd27fQPv2Xv2nr1n76a95wTfs/fsPfs/be85wffsPXvP/k/be07wPXvP3rP/02Z4Nz9ckiTS6TQTExNkMhkmJyeJRqOUl5czMjKC1+s... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5kAAABxCAYAAABfqWdUAAEAAElEQVR4nOydd5hcd3X3P/fe6X22976rVV1Jq14tuVvuuDtgwMYQIIEQIKG8CXlJgAQCBMJLsQnBYGMMtlwly5IlW1ZvK62k3dX23nd2dnq55f1jdsZSQrGNXLmf59Gzqy0z9/x25t77/Z1zvkcANHR0dHT+TNE0jdEEdEYgqICsnxF1dHR0dHR0dF4XBgGcEtTaIN8EArrI1NHR+TNmNK5xJPB2H4WOjo6Ojo6OznuDlS4wvN0HoaOjo/N20hFJfSw0wRx7ahd... | 0 |
math | grade-1 | times-of-everyday-events | true | false |
Ann is standing in the lunch line. What time is it?
Choose the more likely time. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAHyElEQVR4nO3da0iTfxsH8O82nU2nbTrnzOVhob7oYAfrXy8Ew6L+6ZNp2dF8IUoJSfUmMnpRQfkuwowiCUI6QBJk/wo6UCGB+agjraiZWnTQ0rCcecjH+X1e+GxPa9N0eivF7wNi/n7XfV/Xtq9rtyKTkeTHfqCxB+iyAQOEIIyZlwzwVwDRvkCIEpB9/E7+2zrVYwl/kr8CAK9XPUNfhCqBWL+h1AnCWHXZAEs30NoPNPQAcuvA0IYIlTAe/oqhDAHANxsgt/2... | 0 |
math | grade-5 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACnCAYAAAArOCs4AAAhZ0lEQVR4nO3dfVzV9d3H8TeH+xsP4E2EUsRMDM1DDEFQhIYlRS5KJVls3cybtG3asmyWm2XTvJTyuqzrSkvTtaZbkqLX9Rjbwl3ZtblFGUvWyJihFEpRJCICBw7n+qOBeJNyc875HeD1fDx6PPLn4fzebv+8/fb5/T4edrvdLgAAAAAOYTI6AAAAANCfdBTsnJwcpaWl6ciRIwbGAQAAAPo2j/YRkbCwMH322WcKCQnRtm3bdPPNNxudDQAAAOhzOk6wJ0yYIEk6ceK... | [
"isosceles but not equilateral",
"scalene",
"equilateral"
] | null | 0 |
math | grade-4 | compare-fractions-using-models | false | true | Which fraction is less? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC5CAYAAAAS5EjTAAArSElEQVR4nO3df3RU9Z038HcItOGHzMT6I8RnTyYkOWwFnQHt6qFJZtJKV4uQiCLotmZSSLXnAZlp0U361DJRtqGVdSaVbvFx3ExwuwLRhwC22CJwY2ZLS6GZiNBWErg5VMKpu3ADdAd12Dx/DPcyifzIj/sz836d45H8mvmG+znHt9/7ud9PRl9fXx+IiIiIiEgVY4xeABERERHRaMKATURERESkIgZsIiIiIiIVMWATEREREamIATvF7t278eSTT2LixIm48cYbjV4... | [
"neither; they are equal",
"1/6",
"2/3"
] | null | 1 |
math | grade-4 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACqCAYAAACXpjjmAAANoElEQVR4nO3dW2ycZXrA8ccmNjna2cQO0E2cgw9jG7ppYojtkKy4SbRl24oExFJQu0XtwkX3olLFqtJWe9FuVZVub7ipUFsq1AvEajlULG3RdkXbOBlP7DiGJMYO5EAIYrFjgp0DOZH0AjLLYAMJvPbYzu8nRXImr2ee7+6vL++8X8mlS5cuBQAAkERpsQcAAICZRGADAEBCAhsAABIS2AAAkJDABgCAhAQ2AAAkJLABACAhgQ0AAAkJbAAASEhgAwBAQgIbAAASEtg... | [
"obtuse",
"right",
"acute"
] | null | 1 |
technology | grade | photo | false | true | What type of video game console do you see here? | "iVBORw0KGgoAAAANSUhEUgAAAV4AAAC+CAYAAAB9GGcsAAD6bklEQVR4nOz9d5Qk13nfD3+qOueZ7skzO7M5511sArBYBIIEA0RSpGhZtPXasmxZVrBlScdHtmlZ/v0syqJ0rFdH8tErybQlECTATBDAEmERNmFzmM1hcs7TOVR4/6i+d6pre2Z3ARBimOecPTvdXfHWre99nu+TFNM0TRZlURZlURblAxP1H/oCFmVRFmVRftpkEXgXZVEWZVE+YFkE3kVZlEVZlA9YFoF3URZlURblA5ZF4F2URVmURfmAZRF4F2VRFmVRPmBZBN5... | [
"Nintendo 64",
"Atari 5200",
"Nintendo Game Boy Advance",
"Sega Dreamcast"
] | null | 1 |
science | grade-6 | identify-how-particle-motion-affects-temperature-and-pressure | false | true | The diagrams below show two pure samples of gas in identical closed, rigid containers. Each colored ball represents one gas particle. Both samples have the same number of particles. Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | "iVBORw0KGgoAAAANSUhEUgAAAmwAAAGZCAYAAAA0Im0SAABsgElEQVR4nO3de1xUdf4/8NeZgQEGBpCrjOIdxvWSKJRppqTV1gbVbt+2pDbruwXfLru1X9jddrux39qt3aTd39du6j42MxfLbbc27PIt3VBL1xoULbVBzQs4eEORQQYGZj6/P3CODPfLwAyfeT0fGXDmnJn3GeDF+5zzOecoQgiBAFZTcxqHDx9BU1MjFEXxdTlEAIDg4GAkJCRizJgxvi6FJMb8I3/E/OtckK8L8CWXy4Xq6moI4YJOp/N1OUQeampOIykpCcHBwb4... | [
"sample A",
"sample B",
"neither; the samples have the same temperature"
] | null | 2 |
math | algebra-1 | identify-direct-variation-and-inverse-variation | true | false | Which table shows direct variation? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdwAAAA/CAYAAABKBHltAAAOmUlEQVR4nO3de1BUaXrH8S8WAjM04BoJbRJbXMmgoqVkRC7qwOpyky10S6LoJGIUNKV4CRtjqtzsMM1GSxbKWkFhgprgRmkuziS1tbB4yWBBa4ogprysYFDwQmScZlgUsEUY8odj1/ToTEQP59jN8/mP95w+7698in76PZ5+cfHP9BpCCCGEECPKFeA3H3yqdY6XlvDhD2j94IHWMcRLmvKht9TLgUi9HIvUy7GM0TqAEEIIMRpIwxVCCCFUIA1XCCGEUIE0XCG... | 1 |
math | grade-1 | compare-sides-and-corners | true | false | Which shape has fewer sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAC1UlEQVR4nO3UPWqUURSA4TOTn0KNViqWFuoSXJjrcGPuwB+wNGKXaMCY4bP4CFiKOAx5eZ7qXi4cTvFyN8uyLOfXM5+uZi53MzfLwJ11vJk5O5p5cW/m6enM5vznsry7OPRa8P+9fjhz/PFqvTw7nXl1f60f7qrL3cz7HzNfrmc+XM1sL27WB3FTcHa0tjwz8303s9398QAFty3/Wma2h10F9kvgpAmcNIGTJnDSBE6awEkTOGkCJ03gpAmcNIGTJnDSBE6awEk... | 0 |
science | grade-5 | identify-earths-land-features-using-photographs | true | false | A valley is a low area of land between mountains or hills. A valley's sides may be gently sloped, like a U. Or they may be steep like a V. Sometimes, a valley has a river running through it. Select the valley. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOEAAAC0CAYAAABi8Es+AAEAAElEQVR4nLT9ebQlyXnYB/4icrvr21+tXVVd1Tu6G2g0VgEgSAIkAG4gTWu3RFkWJR0fyxofHckazfGMxudI/sOexfJo6PE5OlookhJFU6BIgCIIAgSJrYFGdwPoLvTetW9vf++uuUXMHxmRGZn3vlfVsJRA9bs3M+KL7/vi2yMyrnj2+YtaCAFCABpB8VmUnwGKPwKNEhIECI3pIxBCgNZFOyHM36KPFgKti/vFI43QGunA1kiK3oAUNTjFA12MA2gztkAjRPF... | 1 |
math | grade-1 | am-or-pm | false | true | Nick is seeing an afternoon show. The clock on the wall shows: What time is it? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABVyElEQVR4nO3deVhUZfsH8C8u7KCUG4JsVspY7gJaomXom6CWaIqaueSahuZWv9Ryq1x6FbXXBRW3XBIsFyyhzCgVxMglB7VkkUEyVGAQmMGF3x/ECDLLmX2A7+e6vGTmPOecW2Qu7nnmfu7HqqysrAxERERERGQQ9cwdABERERFRbcIEm4iIiIjIgJhgExEREREZEBNsIiIiIiIDYoJNRERERGRADcwdAJmfTCZDSUkJSoqLUVIiQ0lJMUpKSlC/QQPY29nBzs4Odvb... | [
"12:30 A.M.",
"12:30 P.M."
] | null | 1 |
math | kindergarten | subtraction-sentences-up-to-10-which-model-matches | true | false |
Which picture shows 9 − 5 = 4? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdoAAABKCAYAAAAc9ZVYAAAQD0lEQVR4nO3dfYwc9X3H8ffMPtzZt/dg53x+wthxOduQGGpSjJ2kJa2I0iDcgEKgjVHYhuZBAantPxVRpCDUiJKorUKjJEhN1COt04IwMSAwLaROCOXsc2KDwY9njB0bfPjp7Hu+292Z/jH7/Dy7M3fnzeclWfs4v/191rrvd2Z2ZtewbdsemIKjYzCcgLiNiIiI1ChoQGsAuufCwjAYA5O23Tc009MSERFpPDe2QbB/zLmxOAyrW5wuLCIiIrUZTsDhUTg9BUf... | 0 |
math | grade-4 | elapsed-time | true | true | Look at this clock:What time will it be in ten hours and fifty-three minutes? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADICAYAAADSmpa3AABIIklEQVR4nO3deXSTZfo38G+SLmkWGqiQRJEWIdJBpaGOA4i06IgsHQVUKK8bCCo6srmMIjKOo6K4UxYVkdqO6FAUhHEom0stItSlLYhMISgtIEnBtqFJaLokef/or6EhS7dsbb+fczineZ47z3M1DedcuXPd1y1wOBwOtNP3x4rwjW4fjuh/wfHKkyirOIljZ8raezmiDuvfOx7xcX0RH3cpLlcNwHWa4fhjf22owyIiIqJuRNDWBHvd3o+x+cet+EZXAJPVHKi4iPx... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA7gAAADgCAYAAAApDMpcAABaNUlEQVR4nO3deXhTVeI+8DdJl7RpoFAgiQItQqGDQkNdKCIFHBWQLwO4lZ8bm4oLS11GEdFxnEFxhSKoqNR2dByKijAOZXOpINKKtgWRAYJSEE0KFAJJaLok+f2RSWhI0vUmuUnfz/PwQO69ufeQ5vR5z71nkQBwgIiIiIiIBOFwOGCoAw6dA0w2oIFpmyhgoiSAUgakxgOqGEACNnCJiIiIiARjqHXgu7OhLgVRxzO0ExAV6kIQEREREUUS3Tnn35oYYIDC+XS... | 0 |
math | grade-2 | find-the-next-shape-in-a-growing-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAZxUlEQVR4nO3da4xcZ33H8d+Z267tjdeYYCc4wRQ3IpCISIU2lXCKVJW+obxBVELwBlWqmpQXVVV4EYkIAVHTilZKo9wgDSUgmxKcxrnZOLFRTBzYGEKUGF9CSOKx1+udXe+uZ3f2MjPn0hfr9XV3dmfmXJ7znO9H8ovs7pzz/J/nnJPfPvucc5wgCAIBAAAAsEIu6QYAAAAACA8BHwAAALAIAR8AAACwCAEfAAAAsAgBHwAAALAIAR8AAACwCAEfAAAAsAgBHwAAALA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAeoklEQVR4nO3da2xc553f8d+ZGymKIhmtI9mRvXLjNTa7NmJgs920jbwLFN2igLsvNthigwRYLFoUtbsviqLJCwMxglxQt0gLaA35stE6XSewdu0otWzJUmxLhhXba5qJ7dqyLo5ji2NRFIcUORxqhuTMufXFiJIoDoec4bmf7wfwC4ucc/7/5zmHM785Z54xXNd1BQAAACARDMMIu4RIyoRdAAAAAAD4jeADAAAAIPEIPgAAAAASj+ADAAAAIPEIPgAAAAASj+A... | 1 |
math | pre-k | circles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACbCAYAAACao4KyAAACg0lEQVR4nO3VO24VWRhG0f9ePwKaRwb0AKB7BsyAITEIhsQQGAGvHHdqgyXcvqoOSpY6x9qFLmtFdXSSL9iqs1uWZbm4mflyPXN1mLldBn7a6W7m0cnMiwczz85ndhc/luX95dazOGavHs+cfr5eD3+ez/z1x1oh/Kyrw8zH7zNfb2Y+Xc/sL2/XC5Fxnx6drE3NzHw7zOwP/7uA+3TX1L/LzH7bKfwuhEZCaCSERkJoJIRGQmgkhEbidOsB8+7t1guO3+s3Wy/... | 1 |
math | grade-7 | interpret-circle-graphs | false | true | Sparrowtown Elementary School kept track of which lunch options were more popular with students during the year. Which lunch option was less popular? | "iVBORw0KGgoAAAANSUhEUgAAATAAAAG9CAYAAACS1Sr1AABOd0lEQVR4nO3dd3hU1dbH8e+Zkt4LCRASeq8CCtLF0LuicvUKekXhigVBvfZru1hQ7AV7w/ICKgiIBRGkN6WF3ksKhIT0afv9Y5IxoYQEkpwp6/M8PJAp56xkmF/22bPOPppSSiGEEB7IoHcBQghxsSTAhBAeSwJMCOGxJMCEEB5LAsyNHDlyhIMHD2Kz2fQuBYBdu3a5TS01yWazcfDgQY4cOaJ3KS7uWJM7kAArZjab0TSNtLQ03Wro3Lkz9evXZ+/evTW634yMDI4... | [
"chicken sandwich",
"burrito"
] | null | 1 |
math | calculus | identify-functions | false | true | Look at this graph: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAQYAAAELCAYAAAA7qyjiAAAU+klEQVR4nO3db0xUZ74H8O9AgWFQsNoBmzYdzerVgAaMgpBujZhsWlpsY02h6astqS+6a19uttdErVCpbvqiSbF/XqykTbbbIWvjRrw1aeI0290AY01ZPRA0uRmIubc6tVdGnYFhLHNfjHPmHM4AAzNz/jzn+3l1FOb4hNav5/k9v/M8jng8HgcRkUKB0QMgIvNhMBCRBoOBiDQYDESkkTYYpqenMT09rfdYiMgk0gbD8PAwhoeHdR4KEZlF2mAYGBjA4ODgvB/q6el... | [
"no",
"yes"
] | null | 1 |
math | grade-8 | identify-trends-with-scatter-plots | false | true | Does this scatter plot show a positive trend, a negative trend, or no trend? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAlXUlEQVR4nO3dfXSU5YH38V9ehJBMzYhgwttu8kwo6CGZmQ26EBf7ogdhbRRaW90jLmihSFdbX1H3PMWsgou4FS0q4tqKQrc+u6hYehTrFrWpvFinGQZq6TqToLwllMogdyCEJPP8wZIakoGQuea+Zybfzzmcw31fCdcvoMyPK9dcd1YsFosJAAAAgBHZTgcAAAAAMgkFGwAAADCIgg0AAAAYRMEGAAAADKJgAwAAAAZRsAEAAACDKNgAAACAQbYV7JaWFrW0tNg1HQA... | [
"negative trend",
"no trend",
"positive trend"
] | null | 1 |
math | grade-1 | identify-faces-of-three-dimensional-shapes | false | true | Does this shape have a square as a face? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAENCAYAAAA1yBIEAAA1t0lEQVR4nO3dyXeTd77v+8/TqJcb2dgYDAZCl5Y+p6rurtrVnaq9Vq0zvoO7zuT8NXdy153cwZ3d6U6y0wCpkJAACSEJaUhIUklBJYQQjI3BWLZlybKaR88dPJIbYQO2JT1q3q+1MiiXkX5uSD766fP7/gzXdV0BAAAAqAnT7wUAAAAA7YSADQAAANQQARsAAACoIQI2AAAAUEMEbAAAAKCGCNgAAABADRGwAQAAgBoiYAMAAAA1ZPu9AECS/p//a0LzGUf/x/8a0M6... | [
"yes",
"no"
] | null | 1 |
math | grade-6 | identify-equivalent-expressions-using-strip-models | false | true | This model represents the expression 4c+3c. Which expression is equivalent to 4c+3c? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAA+CAYAAAARUWyzAAAIEUlEQVR4nO3dW2xb9QHH8Z/P8S2xHefqtEmTrPRCizqVtc1YVyhLh3pTCxSpm4RgGuo0bWgSD5s2TYiByvqA9jSxTZrEpvGwSYyJTrSiqIVmvTBB0wvTNjpSoCEQJ6kTN3Edx/ezh7Re09K1Rac5Sfz9POX8fY71y4Odn//5/49dlmVZktQ9mtfTXaM62p/R+UxRAMpPe8SrzvsjpeOOPTF1DWYcTAQ4o8ZnaG1ThXa2h7Sgyu10HAAzjFuSjsfy2r4/po2Lg/pWY6W... | [
"7+c",
"7c",
"7+2c",
"12c"
] | null | 1 |
math | grade-3 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABTXklEQVR4nO3deViTd7o//nfYAigQlEVATcAVbCXuSy1LrbbVKljpLJ12wJluv5l2Bmemc3rOzFQ8s32nnak47ZzTdcQu0zkzWrHWLq4Rl1brElxArEBQkV0SUEgIy+8PJGXJ8iR5QgK8X9fF1ZB8nie3lFzc+eR+7lvS1dXVBSIiIiIiEoWXuwMgIiIiIhpOmGATEREREYmICTYRERERkYiYYBMRERERiYgJNhERERGRiHzcHQC5n7GtA0ZDO9oM7WgzdKDN0A6joR1... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABcQUlEQVR4nO3de1zT970/8Fe4BVBIUC4CagJeASvxfqnlUquttS1YsW5dO3CrW39bu+K27uz8thXsbr+1W4W1O2e9TexlXVsvWKttvSLeqq0avIBYgaAid0lAISFcfn8gKbck39xIgNfz8eBhLp/v9/sWkzavfG6izs7OThARERERkV2IRCJnl0DkdG7OLoCIiIiIiIiGFwZNIiIiIiIisisGTSIiIiIiIrIrBk0iIiIiIiKyKwZNIiIiIiIisisPZxdAzqdvbYd... | 1 |
math | grade-7 | identify-complementary-supplementary-vertical-and-adjacent-angles | false | true | Which angle is supplementary to \angle{1}\angle{5}? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADYCAYAAADRTJQsAAA7tklEQVR4nO3deVhU5/k+8HsQHUUU1FSSBn+sRuLGaNOQnUUtmGiExCU1goMOxURUiNqvKFYUq6YuQECjDsiijWsUq1GIBofEGGlSHcQF3ADFKCbCoLig4Pv7wzKFAIowMDNwf66Lq/Fw5pxn6HhdN6/PeV6JEEKAiIiIiIh0wkTfBRgClUoFjUaj7zKIiIiIqBUw1XcBhiAlJQXu7u4AgP79+8PR0REymQyWlpaQyWSwsbGBra2tfoskIiIiIqMgYYvII46Ojrhw4cJ... | [
"\\angle{9}",
"\\angle{1}\\angle{6}",
"\\angle{4}",
"\\angle{2}"
] | null | 1 |
math | grade-2 | compare-sides-and-vertices | true | false | Which shape has more sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAEh0lEQVR4nO3aTZIURRjH4X/PAAsEdaXhAdQjcBUv5lH0EKzZoO7FLQMTgEy0ixYBmRn6oz4y33yeVVdURMa7+EVFVWZvttvt9tmb5I/L5OIqebsNdOvOJnl4nnx/P/n2XrJ59nq7ffx87bFgeo++TO78frm7+O5e8uMXu/qhVxdXydOXyZ9vkt8uk7Pnb3c3xE0FD893LSfJi6vk7OqDG1DBu5b/3iZn644C8xI4pQmc0gROaQKnNIFTmsApTeCUJnBKEzilCZz... | 1 |
math | calculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed lines are vertical asymptotes. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AAB+uUlEQVR4nO39eXSU5303/r9Hs2qXkNBigSRjNgtLYDaDjQwJJKEmcQOJYydNHCdNv00aL+23T39tetqc05bmyWmb5OvEyeP2SeKlSZvEjR0nxrJNzGphDMhGILGJRRtiJI2kGc1633PPff/+GI1AIMFIui7NovfrHB/MLG99GM3c85lrrvu6TIZhGCAiIiIiIiEyEl0AEREREVE6YYNNRERERCQQG2wiIiIiIoHYYBPNInv27EF1dTW2bduW6FKIiIjSloknORLNHlu... | [
"$\\lim _{x \\rightarrow-6^{-}} f(x)=-\\infty$",
"$\\lim _{x \\rightarrow-6^{-}} f(x)=\\infty$"
] | null | 0 |
science | grade-4 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAAC1FUlEQVR4nOz9ebRsSX7Xh34i9pDjmedz7lh3qKmrelRrarUkpO6WkNADITCDWRhhHngZL7PABr0HLK/31nrLa4GFMWAb2RgQRjbYwuiB1Gh4Qj1IavUg9VDzneczzzntISLeH7F35s48ee5QdeueU7fiUyvrnMzcQ+y8eWJ/4xff3y+EMcYAdDodlpeX2dvbI01THI6jxvd9RkdHWVhYoFwuv6vnct9/x3HDff8d72ee5Pff4XgaEcYY0263uXr1KqdPn6ZcLhMEwVG... | [
"soft",
"translucent",
"opaque"
] | null | 1 |
math | kindergarten | count-to-100 | false | true | How many flowers are there? | "iVBORw0KGgoAAAANSUhEUgAAAWAAAAAsCAYAAABbjGLvAAAKLUlEQVR4nO3dT3Ab5RnH8e/77kq21LEBO4mnxPkHMa1DgA7uJMOfAr006ZG2KRd6KqHXlN5KL20HbgSuLbT3ACVHMu1MpxMgkA6kQ5PiMKTFwUomsRMzUVpZ1u6+bw+vbEuxpJUSr+VFz28mMx5Jq/34iefVq3ff911lrbVIJBKJZM2juw2QSCSSXo00wBKJRNKl+Dd95Ow0nH0frhSWH9swChP7IH/bKtBWOeJNNuJNNuJNNl3ydt4Az07D0cPwzuuNn88Pwv6D8OR... | [
"11",
"10",
"8"
] | null | 2 |
math | grade-1 | simple-fractions-what-fraction-does-the-shape-show | false | true | What fraction of the shape is blue? | "iVBORw0KGgoAAAANSUhEUgAAAUQAAABkCAYAAAD+MUlEAAAPxUlEQVR4nO3deXSV9Z3H8feTe5PcLGRjFZQAWdjDkqioo1WBsdM6tnaZ6RSY1rYHlaKAOjOe8dTT9nSO55RTWVQK6Ogolo6Ko3UdFHCrjgphVUlCSEJIAoQtIctdn3vnj3sv3GAg271PEvJ5/UMIye/5JX98+H6f3+/5PUYgEAggIiLE9fYERET6CgWiiEiIAlFEJESBKCISokAUEQmxNBBf+qCGWx/6iCffrLTysiIinWJpIO6raiAAvPpJDQ+s20PdSZeVlxcRuSh... | [
"1/2",
"1/5",
"1/4",
"1/3"
] | null | 3 |
math | grade-4 | identify-faces-of-three-dimensional-figures | true | false | Which shape has a circle as a face? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAgfElEQVR4nO2da2xc55nff2fu5MxwhqRISqJEUbZEyZYs2ZZjy9nYjh0nQZPI2aDrANs0XuTLJkCbLWA0BYqiCewvLeptF01QtF4ki61do2jtRWBrk64dw4lkt7pEikyKtkWJFEmJd3I4nPuNM9MPZ85oKIkSL3PmzPvO+wNkSeSZc56x5s/nfZ/bqxWLxeJMFoaTEMvDchGFQmESDg38dtjbDF0u0GYyxeLZqNVmKRSNx2Mt4LiS1P+yzQX7vLo6FQqFOcTyMJS... | 0 |
math | grade-8 | apply-multiplication-and-division-rules | false | true | The number line shows an unknown number, b. Is – 2b positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGVElEQVR4nO3dT2iTdxzH8c+TNE+zts4GptOxSsf+F7GoNbaiU8a2w5yDihdhc54ExeFhMC/bYUwEDwpj9SA4BjqK4KgM2c5LvSSpUTqq3dyhtYE5LKJuds3/Z4c0oZ39I2uaX57k/Tq0Tx5y+MATyKe/fp/fYzmO4whwsd7eXlmWpb1795qOgjLhmgMAKlmd6QDAYsXjcdMRUGZccwBAJXvigp1OpxWLxRSJRLRy5UpWjgAAVS13P6RMvEfOo0E5idvyNL8hT2C76lo... | [
"positive",
"negative"
] | null | 1 |
math | grade-4 | what-decimal-number-is-illustrated | false | true | What decimal number is illustrated? | "iVBORw0KGgoAAAANSUhEUgAAAewAAACkCAYAAABVVh3VAAAEA0lEQVR4nO3dsW0UURSG0WdERZRABaS0QEFugZQKXAItjQNS75oBred+M+ek1i/Z0pM+rx3cp23btgUAjPbp6G8AAHifYANAgGADQIBgA0CAYANAwOd7X/zy4+Wjvg8u5vfz190b75FH8R6Z5NZ7vPkJ22NkEu+RSbxHjnD3E/Zaa33/tv83z7XW+vnrxdb2zd3/KP2stvO33uO+7b/8JWKtP7/g2P7d7h7/wwaAAMEGgADBBoAAwQaAAMEGgADBBoAAwQaAAMEGgAD... | [
"2.38",
"2.37",
"2.16",
"2.48"
] | null | 1 |
math | algebra-1 | identify-functions | false | true | Look at this table: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAABSCAYAAAARpZu7AAAIQElEQVR4nO3dXUhc6R0G8Gc+4tYZ48dkznRm4xfrkKRuV7ulutmq3ZCFgRCIFzHShJCihFqIJhOE5LqJRAK9CFKTMYUuKK1mzIVBTNvQJbttTarGKC1Jae0shvgxHyqjozPRceb0wtRdcT1m1Mw77zn/HwzE4Q088PfxPecw54zK6XSKIIR8Ky0AfPW8hHUO8tp7+b00jwSiZh2AkERGBSFEAhWEEAlUEEIkUEEIkaBlHWA7fvZzAWbLLvzW4YXPs4zs3CT89IwRHnc... | [
"yes",
"no"
] | null | 1 |
science | grade-4 | animal-adaptations-beaks-mouths-and-necks | true | true | Giraffes eat leaves and twigs. The giraffe's neck is adapted for reaching branches that are high above the ground. Which animal's neck is also adapted for reaching high branches? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd5xVxfn/3zNz7u6ysLv0DiJSBQFRFMWGJdYQjb3FFjX6tZdozE/9Jho1EiWJQTSWWKLRmNhLRDFWRKRIsBeaIL0tsOzuvWfm98eUc+4Csuiq+Sbn83qt7t5yzpw5cy+f55nP83mEMcYUCgW01mTIkCFDhgwZMmTIkOH/JqSURFGEyOfzJiP3GTJkyJAhQ4YMGTL834eUEpmR+wwZMmTIkCFDhgwZ/jOgtUZ+14PIkCFDhgwZMmTIkCFD0yEj+BkyZMi... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOydeZwlVXn3v+ecunvf23v3dM8+wwzDsKMgAgIDKuLCq4kG3LeogZioGKPRqFETNUHAHRN8jUs0Gl4DbhARFGTfBkYYZhhmn+npfbu37151zvvHqap7u6eHaWQMidbv82novrdu3VOnTtXU73l+z+8Rxhjjui5aayJEiBAhQoQIESJEiPC/E1JKHMdBCPFsDyVChN9LyIg4R4gQIUKECBEiRIjwvx9aa1zXfbaHESHC7y1kRJwjRIgQIUKECBEiRPj... | 1 |
math | pre-k | count-sides-and-corners | true | false | Which shape has 3 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAJeklEQVR4nO3dW2gc1x0G8G92dddKWq32opXixgGnFwgIQsBQ5yEhBdsJqVxSBUcoCXVJEzAkoQ006UOd9qGmkJqmxMEtNIWShpa61KG4uNSlIQ9+yIMhltw2luzKtrR37UorrbS72t3pw2YdtU0y2Z0z58zMfr83WezMkebzXP7zP0earut6ogwsbALrVaCig8i0Dg0Y8AJ39gGRLkBLlHT9vbzqYZGb7R0EOuY3619Eu4Av9NdTSGTWehX4oADEy8CVTcCTr9S... | 2 |
math | grade-8 | make-predictions-with-scatter-plots | false | true | Based on the scatter plot below, which is a better prediction for y when x = 84? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAmAElEQVR4nO3df3SU5Z338c8khEwIJiHagJMQcBOQahPgRAQtGQwPpCKJLLj1B6aoBFaq0NVT7eE8i3vYuittZfGAsWmFVmj3cKxuySr0YQ26SuxpUmFOSSJbfgQbxkwgESHBSCY4MM8fLFNDMpHAlblnJu/XX8x9jfP9Xh51Pl5z3ddt8/v9fgEAAAAwIsbqBgAAAIBoQsAGAAAADCJgAwAAAAYRsAEAAACDCNgAAACAQQRsAAAAwCACNgAAAGBQWAVsr9crr9drdRs... | [
"57",
"12"
] | null | 0 |
engineer | grade-6 | identify-independent-and-dependent-variables | false | true | Hint: An independent variable is a variable whose effect you are investigating. A dependent variable is a variable that you measure. Which of the following was an independent variable in this experiment? The passage below describes an experiment. Read the passage and think about the variables that are described. Dr. Sw... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAFOCAYAAADtpiRUAAEAAElEQVR4nOz92bPtW5bXh31m9+tWt/vT3Xtuf2/evNlWUUkVUFQJGQOyFChMYOQI22Fshx1hHmRH6A/wE4/4ybYsGULIrZBcYAzGBQWqyhSZZGVlQ3a3b0+3+73aXzc7P8zfWudmFY1QoLpyBL+IFXufs7u1fmvOMccY32aIv/AX/kLkX13/6vpX17+6/v/o+kt/6S99Jn9XA7zzc/8RITh8b2maQF9D3yp8XWL7gJLQdjV5Cc5B30KzBhmP+eLLP88fePHz/INf/0+... | [
"the species of algae",
"the amount of oxygen in the tanks"
] | null | 0 |
math | precalculus | determine-continuity-on-an-interval-using-graphs | false | true | Is the function f(x) continuous on the open interval ( – 6,4)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACO2klEQVR4nOzdd1hUZ9oG8HsavXdEwV5QsPcejZqYpsZoummb3r7NbrLZTdls4mZ3Y7Lp2WyKpmyMbtQkKroaayCKoqBgRwURKQMDTO/fHwgRRWXwvJwZuH/XlSsXw8wzt+cwZ5555z3vUbjdbjeIiIiIiEgSSrkDEBERERG1J2ywiYiIiIgkxAabiIiIiEhCbLCJqIlNmzaha9eumDlzJgDg+uuvx8qVK5u9r91ux6hRo7Bjx462jEhEROTVFDzJkYjONXXqVNx5552... | [
"no",
"yes"
] | null | 1 |
math | grade-3 | open-and-closed-shapes | false | true | Is this shape open or closed? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAACWUlEQVR4nO3ZMWrDQBRFUctoQQHj1CqywJTZTdwbQ3Y02YDKiwbkc8qpXnn5s4wxxgUAAEhcZw8AAIAzEdgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABBa9x63+3L0jrf0cdsu3z+/s2cAABBywZ7o7/WYPQEAgNj... | [
"closed",
"open"
] | null | 1 |
math | grade-8 | apply-addition-subtraction-multiplication-and-division-rules | false | true | The number line shows an unknown number, c. Is – 5 c positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGUElEQVR4nO3dX2hUZx7G8efMZI7jTEKSSlwjjYRdKkuwZtU4JtaC92JhbHrhxWalgosihW4XhF6LICx7swoKXmUxCFvGpVIptBQm3mQmxjQyGMoWjMl2bc1md7BJJpl/pxdmRoPJxNbJvGfG7wcS5ryZi4fMXDy8/M57LMdxHAFAFRkYGJBlWTp69KjpKKgQPnMA1aTOdAAA+LmmpqZMR0CF8ZkDqCYvXLAzmYxGRkYUi8W0efNmdhEAoAxyD/uVe/h35WfHJEme+k5... | [
"positive",
"negative"
] | null | 0 |
math | pre-k | subtraction-sentences-up-to-10-which-model-matches | true | false |
Which picture shows 5 − 4 = 1? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUQAAABKCAYAAADDly0CAAAQm0lEQVR4nO2deZAc1X3HP91z7zW7q1tCB0InRiCxlISwg8HGNrGRUYEcOaiMZHCIiatSxE5BuWJXYoeUi9iUSSg7BbaxEMiJKgbLEOKATThsocPRgWVYhKSVZB17r2bn7pk+8sfM7O7s9ByrnR7Ju79P1dbs9Hv9+vft39TvvX5XK5ZlWV0pOBaHiAG6hSAIwqTArUCjCxbXwQwvKF2aZe0LX2yzBEEQLi5rmsB9NJ75MssLS+sz0VIQBGEyEDHgSAw6U/B+HNS... | 2 |
science | grade-3 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAADu7ElEQVR4nOz92a9tWZbeh/3mXH2z27NPf24bXUZGRkY21bGKFBvLpCCaogwbfrEsWLQBP9gv/hf8YBh+9rsBwyYNyA+yKUIkJVVRrGSlspLVZEZlVnQ3bn+63e+9+mYuP8y11j1RTBlVGXyQgdrAzRt5zrn7rL3WmKP5xje+IX68bZr3AhgY/OXrL1//vXzta/g0hqsCJib81bH+uvxLw/3L13/fXwMD3gv0f0f1m6/LvzTcv3z9/8Ors9OyefM18xf94H/5f/y... | 0 |
technology | grade | parts | false | true | What kind of computer component do you see here? | "iVBORw0KGgoAAAANSUhEUgAAAV4AAAEsCAYAAACLwdvQAAEAAElEQVR4nOz9V5ckx5Umin7mInSklqU1qgqyAIIgKHpIDgfdHJ4z6oin+3TmZf7Webhr3Tsz96l7zXT3JdmLBAFCVAGlKzOrUlVqLUKHC7sP5ttih6V7RGRWFsCeO7tWrogKdzczN7Ht29LE2tqKRAeybVt/F0K0fQJAGIadHtfXLcuK/52VKWK+B0Gg/09/UkpI2bHZmni9ce33fb/jdU5UJ69bSgnHcWDbNsIwhO/7CMMQtm3DcZyu5UsRtr0v9Yv5vlSX+d6WcDq... | [
"Motherboard (CMOS) Battery",
"TV Tuner Card",
"BIOS Chip",
"CPU Socket"
] | null | 2 |
math | pre-k | tall-and-short | true | false |
Which bell tower is shorter? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAGgAAAE6CAYAAAD6LRfpAAAKqElEQVR4nO3df3DTZwHH8U9aUtpAW2w5N6AByibcBsgpuInyx44bTvEAvZOJE5w4/MGpO8ep7K7Tdd5xjnIMrT8IXEWGDLDdbUsrPRTZVaT2gFbc+FGQtbM/KbZI04yOlrbxj5DY0l9pzTffz1M+r3/aJN80T/vek+fLk7RzBAKBQFMn8E474O8GugIQG41zAMnxwIdcwD0JgKOpIxA41Wb3sGQgD6cA4y63By9MSQDmTAjWE/v4u4FLN4ArncA/24G4tq7gDYr... | 1 |
math | grade-6 | reflection-rotation-and-translation | false | true | How has this figure been transformed? It has been... | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAEkUlEQVR4nO3cz2scZRzH8c8m0aSCstJSiT+QWPHnIYigF2EnHsSTf0CENnsXcva2+S/qaddTKgjNwauJyUFQLO7Jg9BqtSpIoKvFJFU3j4ekps3MZCezk+zzPN/3C0LKzuazw2Q+m0kzz7fWaDRckiSqwvr6upxzIq983traWiVZo5YkidfH2VreRJIkarValQQuLS3JOUfeEHmx4LzyK2+skiQAXqPogAEUHTCAogMGUHTAAIoOGEDRAQMoOmAARQcMoOiAARQdMIC... | [
"rotated",
"reflected",
"translated"
] | null | 2 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-two-digits | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAACWCAYAAAAonXpvAAAgrElEQVR4nO3deZAc9WH28W/PsTO72kMXOtB9IWQBkYRYVjYg25iyjXFsZIIdBEKESt6yk7LL8RFXAuVy5aiX18X7B3bhqhCbtUCp1y9WDKm3DA62SoSEXRbrAGOBDnRLSIt2tdprjr7eP0Y7e0zPTM/sjHbVfj5Vqcr09Pzm99BaP9PTxxiu67qIiIjIFS000RMQERGR8VOhi4iIBIAKXUREJABU6CIiIgGgQhcREQkAFbqIiEgAqNBFREQCQIUuIiISACp0ERGRAJj... | [
"22 − 3 = 19",
"21 − 2 = 19",
"21 − 3 = 18",
"22 − 2 = 20"
] | null | 0 |
math | algebra-1 | domain-and-range-of-square-root-functions-graphs | false | true | What is the domain of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABp3klEQVR4nO3deXhU930v/ves0mhfkYRAYjPYAgkQBiwWgwNeYrwEHAcnjZdcp4nTOE5z2/T65pe9vm66JG1c23Xcul562+vGCXZssMBgMGApRiCDQAKDLEArWkaaGc169t8fQrJkwMzA+TIa9H49jx8/Gum89eGcme985qvvOcdiGIYBIiIiIiIyhTXeBRARERERXU3YYBMRERERmYgNNhERERGRidhgE9EYxcXFqK2tHfn61KlTyM/PR2traxyrIiIiShxssIlojIq... | [
"$\\{x \\mid x \\geq 1\\}$",
"$\\{x \\mid x \\leq-4\\}$",
"$\\{x \\mid x \\leq 1\\}$",
"$\\{x \\mid x \\geq-4\\}$"
] | null | 3 |
science | grade-2 | natural-resources | true | false | Which of these pictures shows a natural resource? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAV4AAAElCAYAAACszooYAAEAAElEQVR4nOz9yXYsybKmiX2ijZm7A9hNNOec21VmsUhmrZpxTq7FB+Ccr8X34uKAHLEqs4pZebsT7W4AuJuZqopwIKrmjh07mhuncnYsFgLYgLu5mZqqqMgvv/wi/88PZv/hDh4ifz3+evz1+Ovx1+N/w+Oxwf/4DP+6wdsE/+c3/vvwV6P71+Ovx1+Pvx7/dY6HCP/hzn9+atffh78a3b8efz3+evz1+K93DBtb7Pq79LkX/t/+H/+FemOdReTF90+PT/8eRX7... | 0 |
math | grade-2 | choose-the-appropriate-measuring-tool | true | false |
Which tool would you use to find out how warm a swimming pool is? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAACoCAYAAAACcRc/AAAWE0lEQVR4nO2dWWwb17nH/2eGpBZTJEVRkm1J1uJFtmVtluMFho26KNIE7kUKtA0CBwX60CRok6B5CNA+FAEaFKiRPOQhRVoDRVrUDYKgQdrkOm6CNkmNIkXRG22WZEm2JduyJMsWqYWrSHH43YdZOFykiA6Hi3x+gDya4VA8Q//wnWW+c4YREc1FgOtBwCcBUQKHkzEmBlSIwO5yoNYCsLkw0X+9+S4WZzNxxAaYrgXlnW0WoHWLbB2Hkyk+CRgPAHciwNUgIHi... | 3 |
math | grade-5 | multiply-unit-fractions-by-whole-numbers-using-models | true | false | Which model represents the product 3×
1
2
? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAT4AAACOCAYAAACohWTxAAAET0lEQVR4nO3ZQWvTdxzH8W/aKpjqhlAmO22XbaDXgUd78biHMJh9DuI1eyIquEew4clLcvXYg+Cc0pymrCBYG9QZ/juEbjtI2NJfbcjn9bq0IfDtn3zgTSG9ruu65++qfptUHUyr3ncFsFI2elUX1qu+6lddOlvVe/626x6+Ou3HAvg4rn5StfFkMnvx+dmqbzZnVQRYJQfTqseHVb+/q/p1UrX26v3sDdEDVtWF9VnjqqpeT6vWpv96A2BVHTXuz65q7XQfBeD... | 0 |
math | pre-k | squares | true | false | Which shape is a square? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAADyUlEQVR4nO3aTW4VRxRA4fPesz3gJxmRKAtIsgTWw8rYDzsgZB5HzGywhPFTZ9BYMWDA9uu+VXXvOaMulXR1B59q1JtpmqbTS/j7As73cDVhdnBHG3i6g98fwa8nsDn9ME2vzlqvZZl7/hMcvbmYD7+dwJ+PZ4Vmh3a+h9fv4Z9L+OsCtmdX84XIbMme7mZTAO/2sN3fuDBbsmtTHyfYtl3FqiQ0C0loFpLQLCShWUhCs5CEZiEJzUISmoUkNAtJaBaS0CwkoVl... | 1 |
math | grade-7 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{BD} and \line{EG} are parallel lines. Which angles are alternate exterior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAfc0lEQVR4nO3dbXBU5fnH8d8mIRIRNwSDgJGsxsCaEBIehGIJmw1ixmkjMFVbwYroDLTIjHFIfaoiwrTqjEisBWwtFUahtimSATpKoyFgdAiaB0jBIDYkEqsSC1lrDDiQ/b/wn61pNiGwZ/fs5nw/MztDzjmbc93Xqx/X3OfE5vV6vbKg1tZWSVJ8fLypdUQq+gcAAOBflNkFmGXDhg3asGGD2WVELPoHAADgn82qE2yHwyGbzaajR4+aXUpEon8AAAD+WXKCXVJSoqa... | [
"\\angle{GFH} and \\angle{DCA}",
"\\angle{GFH} and \\angle{EFH}",
"\\angle{GFH} and \\angle{BCA}",
"\\angle{GFH} and \\angle{BCF}"
] | null | 2 |
math | grade-3 | identify-parallelograms | false | true | Is this quadrilateral a parallelogram? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACJCAYAAAAWnk9+AAAR9klEQVR4nO3dXXBUdZ7G8eecfiUaEhKZqIQNiCJQRpIY8kKQcUelxlFnyp1lt2ZXrNqikBsVbwa50pIrVmuqJis3DuWNzm5tDTPrjjvqiG9DMAQIEjCuMKi8lERlFcKLxn4/e5GkT3cD8pJ/p093fz93p4oqD8U5nuf8+/d/juU4jiMAAAAARtiFPgEAAACglBCwAQAAAIMI2AAAAIBBBGwAAADAIAI2AAAAYBABGwAAADCIgA0AAAAY5C/0CeDSHPpOevCDuBKplKb... | [
"yes",
"no"
] | null | 0 |
math | calculus | identify-graphs-of-continuous-functions | false | true | Is the function f(x) continuous? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AAB/aklEQVR4nO3deXxUZ70/8M+ZfbKHJCQhkLAvoYStQAMEWktbLLUWam2r3dTbq94u6k+9Lld7r4rVq7ZarbVX7W2r9aqt3WxpSmmhTUgKgQCBhC0ECAkhCUkmycxk5uy/P7KUQJaZcE4my+f9evmqmZz5zJfJzJnveeY5zxF0XddBRERERESGsES6ACIiIiKisYQNNhERERGRgdhgExEREREZiA020Tiyfft2TJ06FRs2bIh0KURERGOWwJMcicaPdevW4e6778a9994... | [
"no",
"yes"
] | null | 0 |
math | grade-7 | classify-quadrilaterals | false | true | What name best describes this shape? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADpCAYAAAAeakAkAAAilklEQVR4nO3df1DUd57n8Vd3Q/NbcBQwCZjTgGbij0ppUmr8NSVq+WNFlI1VI8w4M3U7B66zpI7xQs4Ut2dpieewFWpcm63dqzp3xb1zCgXcGFbB8wf+2pLsrL8qRtSNkImgDiAI0tDd94cTBy+/ALv5NN3Px392w/f7Sso/XvX2/fl+LR6PxyMAAAAAXmE1HQAAAAAIJBRsAAAAwIso2AAAAIAXUbABAAAAL6JgAwAAAF5EwQYAAAC8iIINAAAAeBEFGwAAAPCiENM... | [
"rhombus",
"quadrilateral",
"parallelogram",
"square"
] | null | 2 |
math | grade-7 | nets-of-three-dimensional-figures | false | true | Which figure will this net make? | "iVBORw0KGgoAAAANSUhEUgAAAM0AAACiCAYAAADiHknmAAAGNUlEQVR4nO3dv2sbZxzH8Y9KweDFGjyE1lnrggPykpZmsva0qPbQfyCQoVPiQEc7Y8F2pgyF/AMdYpkmu29KabLI4ECT1SF08HBaBJrc6VHOdhL7a93d8+PeLwhEifnqDvTmJN1z59bJycmJAFzaF743AIhNadHkea6HDx+q1WpV8mdzc1N5npe1ucCVtcp4e5bnubrdrgaDQQmb9GnLy8va399Xu92u9HmAz5k6mmIwC/NLWu/tanZmrqztkySNxkNt763q3fFrwoF... | [
"triangular pyramid",
"pentagonal prism",
"octagonal prism",
"cylinder"
] | null | 2 |
science | grade-5 | identify-mammals-birds-fish-reptiles-and-amphibians | true | false | Select the bird. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAADCtklEQVR4nOz92a9sWZ7fh33WtPeO4Yx3znmsrKnH6oE9N0mTBCWSEkgYNAWDMOwXP+ifMPxkwIBhWDYMSaRME6Qtk4RJSVSTJuVmk2313FXdXdVVWWPON+98pojYwxr88Ftrx45zT2ZnVfpBBnoXbuU5JyJ2rL3Wb/3W9/f9Tep3TlN6YwF7hj+9/vT6H+R1HuDNFdzt4cjCzx/K3/WfCu6fXv9Dv/YMvLGQny/C9u/6TwX3T6//f7iKnA5p+zd71RtvfeYvXXk... | 3 |
math | grade-8 | compare-linear-functions-tables-graphs-and-equations | false | true | Function A and Function B are linear functions. Which statement is true? | "iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABP6UlEQVR4nO3de3xT9f0/8FeSJk2aFAqFlkJLaWVFsIWiQIsIDBQBlX1RuUynok5xX0WBKXPqV5y7uHnB2wT9epkb6sQhk4tfBb/fAhuIpfNCLUrrJS20lKY0NG3Tk3vO7w9+yQi0TdqT9KSnr+fjsQdrevo+78R3Pn3lnJNUJYqiCCIiIiKFUMvdABEREVE0MdwQERGRojDcEBERkaIw3FCveuGFF6BSqTr938KFC+VuMcSoUaOgUqmwdevWXt/3rFmzgo/L9u3be33... | [
"The y-value of Function A when x=3 is less than the y-value of Function B when x=3.",
"The y-value of Function A when x=3 is greater than the y-value of Function B when x=3."
] | null | 1 |
science | grade-5 | animal-adaptations-beaks-mouths-and-necks | true | true | Bateleurs eat fish, mammals, and other birds. The shape of the bateleur's beak is adapted to tear through meat. Which bird's beak is also adapted to tear through meat? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOy9eZwdVbX+/V276pzT85TO1ElnJiEJQwhBUATlRZBJnJHJAXBEUeAig15RwYErKF6RSUQZFcQBAa8/Ri+jEAghzISEzFMnnU53ejynau/3j7Wrujsk0MQIyq2HTz6kT59TtfeuqpO11n6eZ4lzzkVRhLWWDBkyZMiQIUOGDBky/HvCGEMYhkipVHJZcJ8hQ4YMGTJkyJAhw78/jDGYLLjPkCFDhgwZMmTIkOHtAWst5q0eRIYMGTJkyJAhQ4YMGXYcsgA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9eZwlRZX+/T0Ree+tvXpvuptulm4a2RFRUATlVRhQxNFRFMEFcBtcURQYd3FhRMURARE3EBi3UUeccWSbHyoMsreCssreQK9V1V3LvZkR8f5xIvLeqmYpsBXHycOnPtRyb97IyMjseM7znOdICCEURYH3niqqqKKKKqqooooqqqjif2cYY8iyDBF5uodSRRV/k2Eq4FxFFVVUUUUVVVRRRRX/+8N7T1EUT/cwqqjibzZMBZyrqKKKKqqooooqqqj... | 0 |
math | grade-1 | estimate-to-the-nearest-ten | false | true | How many marbles are there? Estimate. | "iVBORw0KGgoAAAANSUhEUgAAAlgAAAGxCAYAAAC+xcgLAAEAAElEQVR4nOz9e5hcV3nni3/W2ruqunW/gC6WZECyjI1tyUNMLN8CiCFcLJ4nE2AGG0IynGSwYZ7DEDK/EG7POSSxTZI5gWQCNuc5BzBgEzAz8/vF2IEJAny/TbAk2zKSHGOpJUvYaqmv1V2193p/f6zLXru6W+qW+irV+4Crq7rVXXvV2mu96/t+3+9XiYjQjna0ox3taEc72tGOSQs902+gHe1oRzva0Y52tONMi3aC1Y52tKMd7WhHO9oxydFOsNrRjna0ox3taEc... | [
"about 20",
"about 90"
] | null | 1 |
math | grade-5 | angles-of-90-180-270-and-360-degrees | false | true | What fraction of a turn is this angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAvCAYAAADZ272NAAAGPUlEQVR4nO3dXWxTdRzG8efIEDYqRQHBt9UIU2YYMKYo0hFU0FlFvEAuAI0aRZhBhQvNptEYZYs34EuCYqIxmIES4oVsdcQQYKW+wDrIZILBaVZItqUjKyvrZEOOF6OljKGDlLU9/X6umvz/J/21V09OnvM/hmmapgAAAADExVWJHgAAAACwEgI2AAAAEEcZkQ9NzQEdbW1TINihlkC7TpwMS5I8+w9JkvzNAZ04GZb/+88SMykAAACQAjIkKRgKa3HJOh1s9Cd6HgA... | [
"1 full turn",
"3/4",
"1/4",
"1/2"
] | null | 3 |
math | pre-k | count-sides-and-corners | true | false | Which shape has 4 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACiUlEQVR4nO3UPW5VVxiG0e9e/xQESBUiN3SBITCPZDJkBBlNJsIMgHQUGInKBks4vjopjpBSWrL1nMhZq9pbu3mLR3u3LMtyfj3z19XM5WHmZhm4s+PdzJOjmV8ezfx8OrM7/7Ysby62nsVD9urpzPH7q/Vydjrz8oe1Qriry8PM268zH69n3l3N7C9u1geRcZ+eHK1Nzcx8OczsD/96gPv0vam/l5n9tlP4vxAaCaGREBoJoZEQGgmhkRAaCaGREBoJoZEQGon... | 0 |
science | grade-8 | identify-the-photosynthetic-organism | true | false | Use the evidence in the text to select the photosynthetic organism. Bee orchid leaves are green because they contain chlorophyll. Chlorophyll captures energy from sunlight. Javan green magpies get their green color from the food they eat, which includes insects and lizards. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAADOCAYAAAB4pWlzAAEAAElEQVR4nOz92a8s65bdh/3m10REZq5md+ee5p7bVxWrIUiRlGRZIikJhAWI1oMhwPCj/w3/NYafDL9YkGEYNixZskVKsE2xqCJZfXf7e7rdrbUyMyK+ZvphfhG59rllQ6pzCD9UjKp99z6ryYyMyIU1YswxxpR/8lb1rx3g2rNhw4YNGzZs2LBhw78S3Bf4wyPIXVbdiOeGDRs2bNiwYcOGf9W4LyCqqv//PpANGzZs2LBhw4YNfzUQHv/HX/v2t1EU5xxOAAE... | 1 |
math | grade-2 | identify-the-fraction | false | true | What fraction of the shape is pink? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAABkCAYAAABgi07kAAAB0klEQVR4nO3YsW1TYRiG0c9RFkiWyAQpaWjcsQNZghlYIuxA54aGMhOwRFb4KTCPssFv6Z7Tufpe6cqPr3xaa60BmJn7mZm372/z/ud934o1M6d957ffn5nHp8d5/va8dwSHdzcze2Mws/3LuP3+3MAzgLm+Ifz36cvnLSN+//zlPtyAu90DgNshCEAEAYggABEEIIIARBCACAIQQQAiCEAEAYggABEEIIIARBCACAIQQQAiCEAEAYggABEEIIIARBCACAIQQQAiCEA... | [
"6/7",
"7/11",
"3/6",
"3/7"
] | null | 2 |
math | kindergarten | different | true | false | Which is different? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAKB0lEQVR4nO2d228T2R3HvzOeGd/j2LHjJFyScAt0uV/KrWXpUpQuLasurdSKVqtetNqq7Xv/g76hXlT1odK2Uvdht6VqFaDQLXQXynXDAssdEmiAQOzEOLbjWzwez/TBSQpbWJE5Z2Zsz/lIeYBofr+f8vE5M+fM8TmcpmlaXAbuFIBsBVA0MBoIgQP8DmCxB4hKABcvaVr/hNVlMcxgYxMgDBaq/2iXgB5v9dPAaByyFeB2HojJwEAB4CeU6i+Y7MbE76i6BYB... | 2 |
math | grade-4 | transportation-schedules | false | true | Look at the following schedule: Rose got on the train at the shopping mall at 12:00 P.M. What time will she get to the town square? | "iVBORw0KGgoAAAANSUhEUgAAAc0AAAEkCAYAAABNDmpXAACoWElEQVR4nOzdd1gURx/A8S/CSZEqFkQUFAVUBAsKilIUUazYsMRCLGjsxq4xmsQWa+y9F8CORmKviIKiIlZEsWEX6SIc8P5BOD3vgMOoKe98nmef5HbKzh5z+9udnV3VZg/Uz0EQBEEQhEJpAPj0X/B3t0MQBEEQ/rG2rx4JQLG/uR2CIAiC8K8hgqYgCIIgqEgETUEQBEFQkQiagiAIgqAiETQFQRAEQUUiaAqCIAiCikTQFARBEAQViaApFMnGwGNY1O1Lo9ZjC8w... | [
"1:15 P.M.",
"12:45 P.M.",
"12:15 P.M.",
"11:45 A.M."
] | null | 1 |
math | kindergarten | circles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACbCAYAAACao4KyAAAD+0lEQVR4nO3ayW4TQRRG4d/OsMgAZAGIJQvgESLyWrwjSHmDEPaEFSiDpYRYzaIJZB7c1bdu3XvOyq2WS7X4VHZ31aTruu7gTPo2k47m0nknosEtT6TNJendmvR6VZocnHbd7mHtaVHktp9Jy/uz/uLNqvRhvVdINLSjubR3In0/k77OpOnheX8DZFSyzaXelCQdz6Xp/NINopJdmPrdSdO6U6EsAY1MAhqZBDQyCWhkEtDIJKCRSUAjk4BGJgGNTAIambQ8dIC... | 2 |
math | grade-1 | match-analog-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEJCAYAAADhBFPCAABPaklEQVR4nO3de3RU5b0//vfee265zCQhIJeEOwoJVRAtCVpoqwZXxfo7R2iPVE/PwbbarnU84Feg/a4KXQI961TwK1TX91Q9Qi8etUdif6sV+zMRzzmpSKItApWJKFczEWOAJDu3uezZ+/fHkCFD5vLMZO55v9ZikZn9zMxjyDaf/ezP8/lIhmEYICIiIiKivCBnegJERERERJQ8DPCJiIiIiPIIA3wiIiIiojzCAJ+IiIiIKI8wwCciIiIiyiOmTE+AsoDfAPwGjEt... | [
"7:00",
"5:00"
] | null | 1 |
math | grade-5 | parts-of-a-circle | false | true | What is \line{GH}? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAmFklEQVR4nO3deXhU9aH/8c8smSSTPYQEAoSEIHvYlAgGLpugWHG5WGurRevlqq1a2yp65dp6+2ittfXXWnrVttS1uNarT12KWhIQKCLIlkCIQhYIkJXs+0zm98fISUbCoiScmcn79Tw8nm0mn8Tzx2fOfM/3WDwej0cAAAAAgoLd7ADngsVi6dP35zMSAAAA/EW/KPgUcAAAAPQXVrMDAAAAAOg9VovFonXr1p2w46KLLtLgwYNP2F5cXCyLxaKnn35aq1atksVikcv... | [
"center",
"diameter",
"radius"
] | null | 1 |
math | grade-4 | multiply-fractions-by-whole-numbers-using-models | true | false | Which model represents the product 4×
1
3
? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAT4AAACOCAYAAACohWTxAAAQeElEQVR4nO3dX2xb12EG8E+W7cmdE9JpsdkuMDJxOgMNUNLYlj+YHdEIVqzrXFEoEhdYWzKQu3nAMCtB0tlBMFKIh+Qhg2g0fXCWJUr2B8mWLbRdoAX0IMpWgSBooasB2eDZBi9fJA0pzOvIjdKMwtkDd64oiZRJ6Zx7DnW/H2AktoB7j/kl3z085/KyRwgh5j8Drn8CLCwBNQEioi1lew9wVy/wpc8Bv7kT6Jn/lRAffGx6WEREwXjobmD7tU/qv9m3Ezj46/V... | 1 |
math | grade-2 | fractions-of-a-whole-modeling-word-problems | true | false | Lindsey has taken care of her aunt Myrtle's pet turtle all week. Now Aunt Myrtle has baked her a cherry pie as a thank-you gift. Aunt Myrtle cuts the cherry pie into 3 equal pieces. Which fraction model represents one piece of the cherry pie? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJ8AAACfCAYAAADnGwvgAAAT3ElEQVR4nO2deVSTV97Hv9lYQhIIJGEJkAACFtxQwQV12rp0aqtOa9VzHK3T+qq1Lt20dbq80/ZtZ9paO+0oaNWire1Y9e1M1W7v2GqrgAUU3EAJa1AECWHLwpKEvH8gPczUVpE8z32ecD/neMAT8txfzvnkd+9zn9+9V+B2u931XUC5HbC4AKcbFAojiAWAXATES4FQH0BQ3+l257eRDosy2BinAMRl9p7/hPsAiQE9ZlIoTGBxAaU2oK4LMNgBYZuz5wUqHoV... | 0 |
math | algebra-1 | identify-linear-and-exponential-functions-from-tables | false | true | Is this function linear or exponential? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAVMUlEQVR4nO3df5TVdb3v8bfDIAkCgyAyasgMuMAfaXARzi0XtkCpZJGnxBKV5EiiN81ateqU5Y9+gKWjkRAq5g9UigMpGIVA5oFGPQO1Usrl4PXKIFawBvAYA4I6wP3De72XgwIj7z2bPTwea/kH3z1+vq/935O9vrM57Ic3/m1XlIB/+R894r47NhZ7xn771xuOLfYEAACKoKzYAwAAoC0R2AAAkEhgAwBAIoENAACJBDYAACQS2AAAkEhgAwBAIoENAACJBDYAACQ... | [
"exponential",
"linear"
] | null | 1 |
math | kindergarten | represent-numbers-with-pictures-up-to-5 | true | false | Which shows 1? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAATbklEQVR4nO3dWWxc12HG8f+ZOzMcDocUhxQlSqKoxdoXK7Ity05sdwlaF0UDNGnQJUgaFH0JUKQJ0KJ9SIImQBsgCZoYfWjQJG3QJEWDJmmLxkDixo5dJ44t2Y5la7dkUSRlkqIocjgrZ7n39GEoWRQpiaI4PBzN93uRyLlz5wzAD+fun7HW2pESnM1DxoeKRURqJGyg1YOtcVgdBTNStPZw2vWwRBrPwTYIn8lXf1gThe0t1XSKSG1kfDidg+ESvJmHULpSfUH... | 1 |
math | pre-k | represent-numbers-up-to-10 | true | false | Which group has 7 circles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAWyUlEQVR4nO3dfUxU954G8GfGmUFwZngZERUQlL3Li7Y1pZGmtibQ+tKam7TRNllp2rXYmyabNI2xf2zs5qZpttvUNrv3uvGf1mhM8SYt3Vw13lRaMGmbppq+pCzx7S4w5VWEKTIMwzAzMPuHQkZwFGXm9/0dzvNJiIpwfk/me+bJmQNzjiUWi8WuhoH/CwIjE0A0BiKipLBZANci4HcZQJ4DsFwdj8XO+6VjEdFCV+UGbH8P3vjHCgdQuuRGGxERJcPIBHB5FOg... | 0 |
math | grade-8 | identify-complementary-supplementary-vertical-adjacent-and-congruent-angles | false | true | Which angles are supplementary to each other? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEcCAYAAAD9QsM6AAA4Z0lEQVR4nO3df1RU953/8RegOIoNWFowOQGxlKYt4YdFIzZjgWKMqe0CXbemUQx2uzXQbTUb41eapMJpWtnGRNNGcfekKwYxdUNW2I3VUqhDmUQStQ4kpG2IFSGNwIYzk9YpI8jw/SML1YDKj4GZYZ6PczgHZ+793PdN/nnxOe/7vn79/f398mA2m00hISHuLgMAAAAYEX93F3AjiYmJstls7i4DAAAAGBGPDtgtLS06f/68Vq9e7e5SAAAAgBHx6ID9xhtvSJKqqqp... | [
"\\angle{8} and \\angle{4}",
"\\angle{7} and \\angle{9}",
"\\angle{3} and \\angle{9}",
"\\angle{9} and \\angle{1}\\angle{0}"
] | null | 3 |
math | algebra-2 | linear-functions-over-unit-intervals | false | true | How does f(x) change over the interval from x=
–
10 to x=
–
9? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAByBklEQVR4nO3deXgU950n/nf1qaN1IWFJFpYwxigGSyAJ2QZDDIFgEhyPwfbg5JlknPFk1tk4meQ3kx2PZza/OTyMd3P94rE9Gc9mfOxkN2s2djwGi1sckcLVCIEEBiyDDkBHI6nVZx1d9ftDtCyBADXUV6WW3q/nyRN3o3r3R1Xq6ndXV3dLhmEYICIiIiIiU9isHoCIiIiIaDJhwSYiIiIiMhELNhERERGRiViwiWiEXbt2YebMmVizZg0A4Etf+hLee++9UX9WVVU... | [
"f(x) increases by 1",
"f(x) decreases by 2",
"f(x) decreases by 1",
"f(x) increases by 100%"
] | null | 2 |
math | grade-3 | match-mixed-numbers-to-models | false | true | Which mixed number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAADI0lEQVR4nO3aMWobURSF4Ssxe7DJGgzpXaQ1aZw1pNMWUolpsobpvIRAioA2ELKAZA/xKiaNMGpkTeBE75H5vu4xLi6c5sdoM8/zXAAAQMRQVfXp24f69fyj9S2rdnd7X5/ffzn73Ubt2ah/lzYCgGvYVpUo6MDP399f/W6j9mzUv0sbAcA1DKeP3cO+1R2rNh3GxX9rozb+ZqOvH5//4SWc8/h00/oEAKiq43+wAQCADIENAABBAhsAAIIENgAABAlsAAAIEtgAABA... | [
"2 1/3",
"1 1/3",
"2 2/3",
"3 1/3"
] | null | 2 |
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