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-8 | parts-of-a-circle | false | true | What is C? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAmD0lEQVR4nO3deXgV5eH28ftkX0lCCCSAhBAECZsgsgVkDZWiKKIoClqXohQr6luwUAR3W6u2VlywWnFBAX8gggiakhBAEVkNmyxhM2Rfyb6e94+UIZFNTcjMOfl+rsuL55mZnNyJ54/7TJ6ZsdntdrsAAAAAOAUXswMAAAAAaDgUfAAAAMCJUPABAAAAJ+Jis9m0fv36s3YMHDhQYWFhZ20/duyYbDab3nzzTb399tuy2WyqrKy85EFvvvlmjRw5skFea9u2bZo0aZI... | [
"center",
"chord",
"diameter"
] | null | 0 |
math | algebra-2 | domain-and-range-of-exponential-and-logarithmic-functions | false | true | What is the range of this logarithmic function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABr4ElEQVR4nO3de2BU9Z0//PeZW+43EkhCIAFEqMEEREG5eVmoumptoetib9aue7Fbq9t9nv5+bn+tS/uzts/utvvU1W7rruvltz7brVu0KxgRBQGDEokQICjEALkAuUwyM5nruT9/JBOJgMzA+eYkZ96vfyCTnPd8cs7Mmc98853zlUzTNEFERERERJZw2V0AEREREZGTsMEmIiIiIrIQG2wiIiIiIguxwSaiMaqqqrB79+7Rr48fP46pU6eio6PDxqqIiIgmDzbYRDR... | [
"$\\{y \\mid y \\leq-3\\}$",
"$\\{y \\mid y \\geq-3\\}$",
"all real numbers",
"$\\{y \\mid y>-3\\}$"
] | null | 2 |
math | pre-k | count-sides-and-corners | true | false | Which shape has 5 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFgElEQVR4nO3dz2sUZxzH8c/mhwer9tbSP6Dtqb36D7biRag3b4JUxEsoBU/BS8WLQgv1Ykysi03MxthEs+vGTWbm6WG6ENIYkzwz33l+vF8nw0pYyJuZ3S/7fLfnnHODPWllLA1LqXACvM31pIuz0tfnpS/PSb3BxLlHO10/LaTs8iVpbnlc//DVOenbz+oKAV/DUlp6L63vSc/G0sxOUT9AZGjSxdm6KUkaldJMeeABoEnTpvadNNPtU0EuCA0mCA0mCA0mCA0... | 2 |
math | kindergarten | one-more-with-pictures-up-to-10 | true | true | Count the tennis balls in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABfhUlEQVR4nO39Z5ClWZ7f933PefxzffrMyvK+q6qnzXgMdhe7OwAWnli+ARGCRLxQhERIkCgiQgAZAQRDCDBEKEQIIQluqSAFkAFiQYgQASyxWiyA3XE7pk1Vl/cm/fX3Pv45Ry+erOzu2bE9lVnZPecT0dFVlTfv4/JX91/HCq21xjAMwzAMwzCMF0K+7BMwDMMwDMMwjE8SU2AbhmEYhmEYxgtkCmzDMAzDMAzDeIFMgW0YhmEYhmEYL5ApsA3DMAzDMAzjBTIFtmE... | null | [
"iVBORw0KGgoAAAANSUhEUgAABOwAAAB+CAYAAACXpI7eAADAIUlEQVR4nOz9aZBuSZ7X+X3d/ezPGvty9z1v7lut09BMQ8OwtEDrGNIbDJlJNoAENhqZGJBpkMYGxgwkmwFJNnQDo5FgRjAwiIZulqa7qa7urspacrmZN+++39iXZz/7cdeLEzcyq6aqO7vyRtzISv+8uRmREc/j53j8Is7x4/53ARgsy7Isy7Isy3oqjDGs53A7hlEFpb3atizLsizrt+AIaCm4EMGCV39OYAfsLMuyLMuyLOupWc8M3xo+61ZYlmVZlvVZ9KU... | 0 |
math | pre-k | tally-marks-up-to-10 | false | true | Count the tally marks. What number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAABBCAYAAACU5+uOAAAIN0lEQVR4nO2dX0xbVRzHv12Zte0UktLBAgzMzEDATJZsJGMPY3FLjDjeRvYovqjZkybOJ2M0MXGPZg8+mL0aeAO3mLhlzDiWQOLQpJiyxZQ/Q6G0E7a2gDCuD/X2D7T33NPzu72n7fk8zbZ+e2+//M753d/93XMcmqZpUCgUOdln9wEoFDJTRSWUiG9jYTYOt8eJw68cUHo2I/v5yq6nIxwgwcAaRodnMTO9lnrN7XHi/DuNePPtBni8fF8RDKzh9s3HmJqMkujNh2I... | [
"10",
"5",
"7",
"4"
] | null | 0 |
math | algebra-1 | domain-and-range-of-exponential-functions-graphs | false | true | What is the domain of this exponential function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABkHElEQVR4nO39f3yU9Z3v/z8nM5PfQEICCUQTQIQKEhRFC4JisWqrtYVuD3Y/bXVv7unaU9duz/fW/XS7bXe3x4/b7+62PXVtt8c93ar77fn21LPqrmCgWFBoqCIRAgRUDJAfQH4M+TW/r5m5rs8fOJHIrwxcb2YGHvc/xEzmeuaV9zVzzWveec91eRzHcQQAAADAFQXZLgAAAAC4lNBgAwAAAC6iwQYAAABcRIMNYIy6ujpt27Zt9OtDhw5pypQp6ujoyGJVAADkDxp... | [
"$\\{x \\mid x<0\\}$",
"all real numbers",
"$\\{x \\mid x \\geq 0\\}$",
"$\\{x \\mid x \\leq 0\\}$"
] | null | 1 |
math | grade-8 | similar-and-congruent-figures | false | true | Are these shapes similar? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEFCAYAAADZm5BpAABNyElEQVR4nO3deViU5cIG8HtmGLZh30Qx9kVFURNBXBDcF8pMzaysbLc6WaeTWpZmdk7qV53qaHZOlmW2a5lhamoibigiCoLsi4ILO8IAA8zM98cLQ4S7A+/McP+uywuc9x3mnq6Cu4dnkWi1Wi2IiIiIiEgvpGIHICIiIiIyJSzYRERERER6xIJNRERERKRHLNhERGTw5s2bB3t7+w6P7927FxKJBJ988okIqYiIrowFm4iIDF5qaioUCgXOnj3b7vElS5bAxcUFAwY... | [
"no",
"yes"
] | null | 1 |
math | grade-1 | match-digital-clocks-and-times | true | false | Which clock shows nine thirty? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMIAAAB5CAYAAABr7P6HAAAH8UlEQVR4nO3dP2wb5x3G8S9ly0Mi89CibpvCROGhDerj2jjmZBhJIA/tIMm8qUClmFklI14jmfRqSxTgTYrc0aQlD+kgtUlXDZl5apx0o4C6doH0ToldWVLY4UyZYiKX949Hmc9nEQ7i/d6X1D26l7z3PaYajUbj4TP4xxPY2oPdBiKvvOMpOHkMfvUa/OwEpB5uNxqfu0l3SyQ559Jw/Ksn3sYbJ+DN172UiLzqtvbgwbfwz2fw5RMYcHe9XygE0k9OHvOOeYB... | 1 |
science | grade-6 | identify-ecosystems | true | false | Select the cold desert ecosystem. This ecosystem has:
a small amount of rain
dry, thin soil
many different types of organisms This ecosystem has:
a small amount of rain or snow
dry, thin soil
long, cold winters This ecosystem has:
hot summers and cool winters
a medium amount of rain
soil that is rich in nutrients | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOz9ebSlaVnfjX/u4Rn3eOYaTk1d3V09QdM08yCDDInwvlFRiFGQhS6MZkWXL7CCmiU/jSsQWSYGRCUxTqAGlwbJqyRxCAoYQAahabppqrqrazx15j0+833fvz+efXYNPdEqwwv7s9ZZZ+9nfvbZu+q7r+F7iU/2nTvRgJZixowZM2bMmDFjxoyvCEMD941BDCrnZsJzxowZM2bMmDFjxleaoQHhnHNf6wuZMWPGjBkzZsyY8c2BvvLJk1/5+9eslo/... | 1 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-18 | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAABkCAYAAABwx8J9AAAd3ElEQVR4nO2da2xc55mYn7nPcMghOaR4sUiRlkjqZtESnciSvLbi3Bwnm6qojTiBCkOI1WCLdJH1j3Z/FGmBGv2x/dUskKApvIUSV2nitRGnWK/pyzqWKpum4qVsxeFFHImkSIlDDmdIDjn3c2b6Y8ThHM6VN0kcvg8giOf+PSTO+53vrkskEgkEQRAEQdjS6O91AgRBEARBWD+SoQuCIAhCCSAZuiAIgiCUAJKhC4Kw5bnmGrnXSchgLWkSj81jO3gY72I6BEEQNpx... | [
"14 − 9 = 5",
"16 − 9 = 7",
"15 − 9 = 6",
"14 − 8 = 6"
] | null | 2 |
science | grade-6 | compare-thermal-energy-transfers | false | true | The table shows the same data about how the temperature of each refrigerator changed over 10minutes. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAABfCAYAAACdpLOcAAAsZUlEQVR4nO3dfVzNd//A8deplKToBmOxDptOcsQSZQiZYZmbNcZsbi4bLaM2DFnXtXBhV9clM+wmbBe7sM3Nfsxo5Ca3k1gTM9Lc1IYI6b6c3x/WmZzqnFOnW+/n4+Hx0Pf7+Xw/7+/n+3mfPn3P53yPgqXPaBBCCBPZ2nMeg/bPqe4whKjVJI+EMIxm8oHqDqFGMqvuAIQQQgghhBCmIxN8IYQQQggh6hCZ4AshhBBCCFGHyARfCCGEEEKIOkQm+EIIIYQQQtQhMsE... | [
"Thermal energy was transferred into both refrigerators at the same rate.",
"Thermal energy was transferred more slowly into the refrigerator with its door open.",
"Thermal energy was transferred more slowly into the refrigerator with its door closed."
] | null | 2 |
math | grade-1 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABYLElEQVR4nO3de1ycZ503/s9wuAfIDIcZEpjJgSEHSFNoaMlWk6pAW5O6Ng1pa30a9QlZ1/rrurZk3ae6q7shugd9dDdQV33U1VIPsWpjSInaxNYM7Rq0BjOUpMmQNAw5DJAwZGAIMAPD/P6gMw4wh2vOHD7v14tXYe7rvu5v2+HFd677e38vmcvlcoGIiIiIiKIiKdEBEBEREREtJEywiYiIiIiiiAk2EREREVEUMcEmIiIiIooiJthERERERFGUkugAKPGck3ZMTI5... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABiXklEQVR4nO3de1jcZ503/vdw+HLIDEMYEpjJgSEHaBNoaMmqoSrQ1qSuTUPa2D6N+oSorb+uqyGrT3UfdxvS7j6rz6oBdfVZq5aqW5uaNFSiNmlrBrsGrcEMHUgCScMQkgEShgwM4TAwzO8PyshhDvecB3i/rosrMN/PfX8/ITO55jP3SeZwOBwgIiIiIqKgkMlkkU6BKOJiIp0AERERERERLSwsNImIiIiIiCioWGgSERERERFRULHQJCIiIiIioqBioUlERER... | 1 |
math | pre-k | count-corners | true | false | Which shape has 4 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAITUlEQVR4nO3dz29UVRQH8O+bmdfOPKCUlLYgpgVbMQESMJrohsSILt24c2FMwH9FQsLCjYkxEaJxgYkNIZgmEJEYujGNLrpp1UIkWJmRAYrTdqbT+fFcDFWCaJnOveee++b72ZCm8Obm3S/3zDvz5r4gjuO4sAZcLwNLDaAeg6hjmQDYlgaej4DhHiAoVON4uuR6WJRkr/QBmfly64fdPcALW1opJOrUUgP4eQXIrwG/lIFUqd76BUNGJm1LtzIFAMsNINV45Bd... | 1 |
math | grade-3 | reading-schedules | false | true | Look at the following schedule: When does the Vipers versus Crocodiles game begin? | "iVBORw0KGgoAAAANSUhEUgAAAWUAAAESCAYAAAAlosTCAAC8yElEQVR4nOydeVxN+f/HX7dN0aJdipRKEqWFJFGWpFCIkoxlpLGPtXwxY6xjJ0PW32AsLSpZGxVFiCJrIqkIWSoUbbf374/mnul0760bZjQz5/l4nMej81nf533OfZ/P5/35nN682CFBBA4ODg6OJoEMADhN9v7acnBwcHBwAJD62gJwcHBwcPwJZ5Q5ODg4mhCcUebg4OBoQnBGmYODg6MJwRllDg4OjiYEZ5Q5ODg4mhCcUW4CnEm9iFkhq7DsUMgXaa/5EGs0H2K... | [
"1:20 P.M.",
"12:10 P.M.",
"9:50 A.M.",
"9:10 A.M."
] | null | 1 |
math | grade-7 | perimeter-and-area-changes-in-scale | false | true | Look at this rectangle: If both dimensions are doubled, then which of the following statements about its perimeter will be true? | "iVBORw0KGgoAAAANSUhEUgAAABcAAAAOCAYAAADE84fzAAABvklEQVR4nLWTv+txURzH34h0B5cUZaH86C6m+0dYxCRlsCvFYDBIyWz9ppSy2GS9NimDwcogSmTQ7UoSod7P8NTte7/yfD1Pz/ddZzif8+513ueczzGRJH5I5p8CA4B5tVrBbrcbhsViQa/X+2eo0+nEdrsF+EWqqjIUClHTtK9Lb0sURW42Gz5dS7VaRbFYhMvlMtRLpRLy+bw+PxwOEAQBqqpiMBggHA5DkiTU63WYTKbfps87LpdLBoNB3m63pzTT6ZQej4f3+50... | [
"The new perimeter will be 2 times the old perimeter.",
"The new perimeter will be\n1\n2\nof the old perimeter.",
"The new perimeter will be 3 times the old perimeter.",
"The new perimeter will be 4 times the old perimeter."
] | null | 0 |
math | grade-7 | changes-in-mean-median-mode-and-range | false | true | Look at this set of 10 numbers: How would the median change if the number 11 replaced the number 75 in the set? | "iVBORw0KGgoAAAANSUhEUgAAAYkAAAAkCAYAAAB8KMY5AAAMNklEQVR4nO3deVRU9xXA8e8MAwgiYEBQggbEDZeguFVkcUk02hhjotHWhBiNaYmaamyTNDaLNXvSJGq12U+tS8A1RBPFRFGJ4oII0QhqFKlUAVFZh2G21z/QSQYZ57XMm8dpf59zPMLvPXj3/H537p15782gkSRJAjBazehNBiySFQlBEATh/40G8NBo8fVsg5dW1zgmSZJUZ26g3tygbnSCIAhCq+Gr88ZX543OZLWIBiEIgiDY0Zsb8NR6oNWLBiEIgiA0Q282ojV... | [
"increase",
"decrease",
"no change"
] | null | 1 |
science | grade-8 | 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? | "iVBORw0KGgoAAAANSUhEUgAAAmwAAAGZCAYAAAA0Im0SAACMy0lEQVR4nO3deVxbVdoH8F8IhBASoIWyBOhOUlvtQtJVx9LWupXUfSF11HlnWhxnfNWC+1IYHZ0ZoTqjo0LnHbUquHTUaai7berSNbTUqm3oXiB0Yymh7OG8f6S5zWVfst48348VcnNz7klaHp57VhFjjCGA1dScwdGjx9Da2gKRSOTt6hACAAgJCUFsbBxGjx7t7aoQAaP4R3wRxb+eBXu7At7U2dmJ6upqMNYJiUTi7eoQwlNTcwYJCQkICQnxdlWIAFH8I76M4l9... | [
"sample B",
"neither; the samples have the same temperature",
"sample A"
] | null | 2 |
math | grade-5 | understanding-probability | false | true | If you select a marble without looking, which color are you less likely to pick? | "iVBORw0KGgoAAAANSUhEUgAAANkAAACRCAYAAABOtR13AAAnlElEQVR4nO2de3QT173vvzOSbCyBjW0UOyg5omACpiaEAgmURhzIKXZCssD2vRAINCtpV01YXSsHfNflfdN1r21gtQnJTUtY5Ca9gUOhpcQ4K+cAacjDDpfEjwM0LjbEJMW2wI6NJL/0nNn7/jGjsSS/JFkjy2g+CzMazWjPY893//b+7f3bw1BKKRQUFGSDHesTUFC411FEpqAgM+qxPgEFhUjw0Ucf4bPPPkNzczNaW1thNpthNpuRmJgIg8EAg8GABx54ANOnT8e... | [
"orange",
"neither; black and orange are equally likely",
"black"
] | null | 0 |
math | grade-5 | adjust-a-budget | false | true | This table shows Jenny's October budget. What could Jenny do to balance her budget? | "iVBORw0KGgoAAAANSUhEUgAAApQAAAC9CAYAAAAN8+3rAABY5ElEQVR4nO3deVgTV/s38G/C6oKCIKilNoEKQYyBKiBURMUuWtx3pW61qEUFFRHF+nuKuLVYV6yvpdpqfdy11qWKYosorqAiuII8briAgiBbWOb9IyUlJCQzSQCx9+e6vFpmzpy5z5mZew6zwWM2tWZACCGEEEKIlvgNHQAhhBBCCGncaEBJCCGEEEJ0QgNKQgghhBCiExpQEkIIIYQQndCAkhBCCCGE6IQGlIQQQgghRCc0oCSEEEIIITqhASUhhBBCCNEJDSgJIXX... | [
"increase donation to hurricane relief fundraiser to $30",
"spend $20 less on shopping at the mall",
"work as a soccer referee to earn an extra $35",
"make balloon animals at another party to earn an extra $20"
] | null | 2 |
math | grade-7 | rotational-symmetry-amount-of-rotation | false | true | This image has rotational symmetry. What is the smallest fraction of a full turn you need to rotate the image for it to look the same? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAs10lEQVR4nO2de4BbVbX/v2sn0zavDlCLUFBRERAQKBQok3MypA/hgoovKipeUHygqC1cWl4FKW/Ko/DTixdQQR4iFbkg3GqdKSE5J0MrIyJYaHkIXAQKXAqd5CRtk5z1+yOZMp2enZyTnMwkM+fzV5u9z95rZs43+7X2WoCHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4e... | [
"1\n6\n of a full turn",
"1\n7\n of a full turn",
"1\n5\n of a full turn",
"1\n9\n of a full turn"
] | null | 0 |
science | grade-3 | identify-rocks-using-properties | true | false | Select the one substance that is not a rock. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAADMjElEQVR4nOz9Z5OcaXrfC/7Se28rM8t7BxQK3rUf162ZoXhIiaOQSHG5R4fvtKFYE/tGu2c3YuN8Aynkdo+G3KE4nJ7m2J62aDSAhi0UUN5XZmVWeu/9vngqb/aQPNqzM8R0U1tXREUVCoVCmud67sv8jexRvtudNIBJwWmcxmn8ClFsw1YZog2wKeGGVfq+/DSxTuM0fr0wKWDSIH1dav/V9+WniXUap/HrRy+Pmt2/+p78i3kop3Ea/+3HaXKdxmm8oDhNrtM... | 1 |
math | grade-7 | perimeter-and-area-changes-in-scale | false | true | Look at this rectangle: If both dimensions are doubled, then which of the following statements about its area will be true? | "iVBORw0KGgoAAAANSUhEUgAAABEAAAAOCAYAAADJ7fe0AAABUUlEQVR4nM2Sr6vCcBTFz+SZdHzF4g+2IKLBsDAwaF8WjAv+A/4D+wc2m0ERzBrUtCiI0WR0dWEImo0y+O68IIwnTx6C5Z12ufd+OJx7FZLEh8p8Ckghp9MJ3W4XQgiYpokgCF4OLxYLCCHgOA7CMMThcHg0pJRsNBqcTqeUUnI+n7PVavGV+v0+J5MJSXI8HnM0GpEkEUUR8/k8kyRJh8vlMoMgeAK4rktVValpGgeDAYvFIkulEh3HIc7nM3O53BOkVqvR9/1fTnq... | [
"The ratio of the new area to the old area will be 1:4.",
"The ratio of the new area to the old area will be 9:1.",
"The ratio of the new area to the old area will be 4:1.",
"The ratio of the new area to the old area will be 2:1."
] | null | 2 |
science | grade-5 | use-data-to-describe-climates | false | true | Which statement best describes the climate of Santiago? Hint: Summers in the Southern Hemisphere occur in December, January, and February. Winters in the Southern Hemisphere occur in June, July, and August. Santiago, Chile, is a city in South America. It is located in the Southern Hemisphere. It has a mediterranean cli... | "iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAD6kklEQVR4nOzdeXyU5b3//9ds2fedkIQQliwEQsISCJuAIBYB2USqVtRal9ra1i626ml/1nr8ttW2Lj3naFWqaFUUVMKigBIWIWwJIZCEJGRnSQjZt9mu3x9xhgSCBplkgn6ej4ctueeeuT+Z+87Me665Fo1SSiGEEEIIIYRwCK2zCxBCCCGEEOLbRAK2k2RkZKDRaNBoNKSkpDi7HPEdtHr1ajQaDWPHjnXI473zzjvMnDmTsLAwDAYDgYGBzJkzh507dzrk8XujtLT... | [
"Summers have slightly higher temperatures and more precipitation than winters.",
"Summers have higher temperatures and less precipitation than winters."
] | null | 1 |
math | grade-4 | estimate-angle-measurements | false | true | What is the measure of this angle? Choose the best estimate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABVCAYAAABzYpMqAAAENUlEQVR4nO3dsW+UdRjA8eeA4GAJMCEs8A8YAVdKITFKK0IHIaQdaJ1MTLSYOBATQAccNKZ1EQe1DkhSjIFiqItpBUYNMNpApDFpw+TJe7i+DtALRxsl5knfu/D5DJf3/b03PLnpe29+d2+tLMsyHlMU9Sga9diyedvjlwAAgH+xarnF6asXYnJqfIVHAQCAzldb7g72kaHtMX93Lq5M/VnFTAAA0LGW3MH+5fpMzN6+GY1GPSa+/7yKmQAAoGMtCezJy+PN4x9/Ore... | [
"30°",
"90°",
"135°",
"60°"
] | null | 1 |
math | grade-4 | transportation-schedules | false | true | Look at the following schedule: Vivian just missed the 10:15 A.M. train at Magician Village. What time is the next train? | "iVBORw0KGgoAAAANSUhEUgAAAdUAAAEDCAYAAABj3p7FAAC2JElEQVR4nOzdd1zN3+PA8ddtl4bsEUWlJGWEVGjYQlYoe8/wsff62PtjfWwJlexPVkKIj4xklpmPPUJGRfP3R7pc3dty+fy+3+95Ph738XDPep/3u3Pf5/0+57zfJIHtjTMQBEEQBOGHqQE0Gjb/366HIAiCIPxHO7psDCr/diUEQRAE4b+F6FQFQRAEQUlEpyoIgiAISiI6VUEQBEFQEtGpCoIgCIKSiE5VEARBEJREdKqCIAiCoCRq/3YFBEEZJvyxmT+DDuWYpkL... | [
"9:30 P.M.",
"6:15 P.M.",
"10:45 P.M.",
"10:15 A.M."
] | null | 0 |
math | grade-5 | types-of-angles | false | true | Is this angle greater than, equal to, or less than a right angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABzCAYAAACil3UBAAAJhUlEQVR4nO3dT2ycd1oH8O84tuNx3MZpnHjSNptJCiys0rS5VGQ51BJ0tay0Ss5IS8uC1IUVhwq4IdFeEJzotScqwZ3CAcTupRVikQpo2+1eVm1Tp92s/+TP2iX2OLbj4eA/sR3PeGY843Tcz0dy/I7i99Uzt68ePb/nLVSr1WoAAIC26HnYBQAAwEEiYAMAQBsJ2AAA0EYCNgAAtFHvwy7gIPvZP7ya2avvZ+SZsZQuXc7gaPlhlwQAQIcVbBHpnB/+fjmV6Wsbn4u... | [
"less than a right angle",
"greater than a right angle",
"equal to a right angle"
] | null | 2 |
math | grade-8 | compare-linear-functions-graphs-and-equations | false | true | Function A and Function B are linear functions. Which statement is true? | "iVBORw0KGgoAAAANSUhEUgAAAjcAAAGlCAYAAAAGbtd7AABP+klEQVR4nO3deXhU9b0/8PesmckkkBCYsCRAgg0CAYIsCWqMoAiI1moDFr1Kua20faSiFa9Lf8Xaxa1Su4hatFpxN6UFoRfp0wCKQohYxaAkKpOBhJjJQoZkMvvM+f3BnSkJSWY5J7OcvF/P4xMz58znfM7wOd98zjoKQRAEEBEREcmEMt4JEBEREUmJzQ0RERHJCpsbIiIikpWwmpuRI0dCoVD0+98nn3wyyGmG7y9/+QsUCgWKiopivux33303+JlcdNFFMV8+EUW... | [
"The y-value of Function A when x=\n–\n1 is less than the y-value of Function B when x=\n–\n1.",
"The y-value of Function A when x=\n–\n1 is greater than the y-value of Function B when x=\n–\n1."
] | null | 0 |
math | grade-8 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{TV} and \line{WY} are parallel lines. Which angles are supplementary angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAAdL0lEQVR4nO3de2zV9f3H8de3pVyEcVrW1tYS6LhsroS0yGQtsJ0eokMNg9ZMYqhCNcYAi/SYKQpMVmy8bRpbmKEkyzh1g0WZ9pChiFxOcZIiFtqKdBJtKZVpbSfn0MHk0svvD349o6MV2nNOv+fyfCQncecrn/NSduKbd1/fc4yurq4uAQAAAPCLKLMDAAAAAOGEARsAAADwIwZsAAAAwI8YsBGxPB6P2REAAEAYYsBGUNm/f79ycnI0duxYDRs2TDfeeKPuvvtu1db... | [
"\\angle{YXU} and \\angle{WXZ}",
"\\angle{YXU} and \\angle{VUS}",
"\\angle{YXU} and \\angle{WXU}",
"\\angle{YXU} and \\angle{TUX}"
] | null | 2 |
math | grade-2 | identify-multiplication-sentences-for-equal-groups | false | true | Which expression describes the model? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADXCAYAAAAgGib5AAA3bElEQVR4nO3de3CjZ30v8K8k62JJtmVZtmXJ3iV7CZmlPUlPNuw2ZeCQCxPo5AyldEspl05Lhhx6GcK0p8lwOcBJDukJPe0QOtAm04EyLVBKySkFQhsOJYTA5kJSMtDdbHYTX2TJli3ZsnWxLq/OH47e1Svbur6X533f72dmJ34VXX7v8+on/fS8z/s8jnq9XgcREREREanCaXQARERERERWwgKbiIiIiEhFLLCJiIiIiFTEApuIiIiISEUssImIiIiIVMQCm4iIiIh... | [
"2×5",
"5×4"
] | null | 0 |
math | algebra-1 | identify-linear-functions-from-graphs-and-equations | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAfwAAAH8CAYAAAA0Uh0TAABoq0lEQVR4nO3daXhU550m/PvUpn0XiFVgwGCDBQbb2Gw2Nt5iO+5A0oOTThxPu/sdZ5I4k9mudF89eZNcxpO+upPuOE46yUzGdnryTjqe2O6wiMWAAQuDQAaBhI1BgJAALaXat7M+7wdRMkISqKR6dKqk+/fFrqLOXX+dU3X+dbbnKEIIASIiIhrXHHYXQERERPKx4RMREU0AbPhEREQTABs+ERHRBMCGT0T9/J//839QV1fX99gwDLz00kuIxWI2VkVEo8WGTzSBvP7... | [
"nonlinear",
"linear"
] | null | 1 |
science | grade-4 | animal-adaptations-feet-and-limbs | true | true | Flamingos live near marshes, rivers, and oceans. They eat small crustaceans that live in shallow water. Flamingos get their food by walking through water, or wading.
The flamingo's legs are adapted for wading. They are lightweight and keep the bird's body above the water. Which animal's legs are also adapted for wading... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd5wURf7+31XdM7M5sgssS44iICIKBlTMATFh5gzomc58Kt59z/P86RnOU+9UVE4PRcXz1FNRTwwYkCAiUUDJOW7OOzvdVfX7o3qGXUBdlNML87xe+4KZ6emurq7ueepTz+f5CGOM8X0frTVJJJFEEkkkkUQSSSSRxH8mpJS4rovwPM8kyX0SSSSRRBJJJJFEEkn850NKiUyS+ySSSCKJJJJIIokkkvjvgNYa+VM3IokkkkgiiSSSSCKJJJLYe0gS/CS... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9d5gcxbX+/6nqnpnNUbuSVqucAygRREbkbMDCBGMTfL/YYGwDJjmbi6/BxoCNwQaDMRjjiwEbYzDYZKGAEAoIBSSUpdXuanPe2Zmuqt8f1T07s7sSAuR0f/0+zz4709PTXV2hp99z3nOOMMYYz/PQWhMiRIgQIUKECBEiRIj/TEgpcV0XIcS/uikhQvyfhAyJc4gQIUKECBEiRIgQ//nQWuN53r+6GSFC/J+FDIlziBAhQoQIESJEiBD/NxA+24c... | 1 |
math | grade-6 | classify-rational-numbers-using-a-diagram | false | true | Use the diagram to help you answer the question below. Which of the following is a rational number but not an integer? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEuCAYAAAC08GWcAACFN0lEQVR4nO3dd3hUZfbA8e/0kt7pkBA6oUhVQEBEFFBBwAJW1i52XXVde/vZZV117QVUVFBAUREsFOm99xpKepnJ9Jn7++MmA0iXJFNyPs+TJ8MkmZwJyZ1zzz3veTWKoigIUYfkOQLsr/BT7ApQ4VVw+AI4fQoOr4LDp6i3K/8dvF11vzdwjPsUbF71zyhGr8Gs12DWaTDrwRK8fej9X++zVN6XYNKSaNKQZNKSZNaSaNKSZFLfxxs1If6pCSGEEOJUaSTBFtGi2KU... | [
"–28",
"– 2 5",
"7",
"194"
] | null | 1 |
math | grade-1 | equal-sides | true | false | Which shape has 3 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAF+klEQVR4nO3bv28TdxzG8ccJMFBot1b8AW33LvxR/TsCAikMbVj4MUFMUFIpHkiQQPEARAoZYDA+uYlsExHlQIkjE190XC93Ha4ICsHxj7vv5/vjeU0+3fIZ3jrpGVxK0zT1I2DzEDg4AuIURGM7VQLOTwI/nwV+OgOU/A9p+vy99Flks4vfA6c2DrOHC2eAX7/LKiQa18ER0AiAnQj4+xCYeB9nLxgZ5en8ZNYUAPSOgImjz14Q5eljU/+kwITsKeQKhkZKMDR... | 1 |
math | kindergarten | curved-parts | true | false | Which shape has a curved part? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAHHklEQVR4nO3dS08TXQDG8Wem0860pRfAWkFpUFEiaOIN1BhJTHRBiBviJ/GD+BWMC40bLwtcsCFGE6IsNMEYRfASJFJeLmoLpS0t8y4aCFhUonPO3J5fQgzBnDmEPzOdM51BMU3TzJaBqQKQrwIVE0T/TFOAWAA4EgHSIUDJlkxzLGf3tMjLzsUBbbJQ+6QlBHRGaxUS/at8FZhYAWbLwPsCoOYqtS8wMrJSLFBrCgCWq4Ba3fIFIittNLVmAqq9UyG/YGgkBUM... | 0 |
math | grade-1 | compare-objects-length-and-height | true | false |
Which watering can is the tallest? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADPCAYAAACDZoEvAAAZqElEQVR4nO3deXCc5Z3g8e/bt45uSzLy2cb4Aqs9XOaQCCZhSCwgiWcqWNRA2AygWWC8GRIqZWCyHLULm+w6eBPbUMkYqmSSwcFbkaiakGQXOTvjAJmR2AQzEFoYG5uj5UO2jn77fs/9o9XyJdlWq+XWa/8+VZSQ3Op+mvry+D2e923Ftm37oAZ70pAwwbARYkryKBB0w5JKmOkD5WDOtt9Syz0sIcanMQSe3en8N7N9cElVvmwhpqKECbtScECDD9PgUo38H0i... | 2 |
math | grade-3 | angles-greater-than-less-than-or-equal-to-a-right-angle | false | true | Is this angle greater than, equal to, or less than a right angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB0CAYAAAC/kkW5AAAE30lEQVR4nO3dv0ucdxzA8c8VMyQtNEVI7aApcejSBDImHZKhSqbkpGuh51a61ED/ALMWBN3SzVA6azKUYAp1MpDFHzi0g8bGoVoSuIqxg4Gng1Eacnee5eNdL329puPLl+PDTe/n4XvPUyqKoggAACDFW+0eAAAA3iQCGwAAEh0a2Lvb1djZXGvBKAAA0PkODeyNuelYn5lswSgAAND5Dg3slanxWJmeaMUsAADQ8RoG9tOl2dh6vBgvnlfdxQYAgCY0DOx/RvWTn+4... | [
"greater than a right angle",
"equal to a right angle",
"less than a right angle"
] | null | 1 |
math | pre-k | are-there-enough | false | true | Are there enough forks for every plate? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAABPW0lEQVR4nO3dd5xcV33//9e5907dvqvVNvXebFnuFRcMphiwMT2EEgIkEEj9JiQkv4TQ8iUhAUICCQS+dAPGhI4BG9vYuMhWs3pfbdH2vtPvPb8/ZrVWryPtzuj9/ANbs7N3zp03epyPzz3FWGstIiIiIiJSEM5UN0BEREREpJSowBYRERERKSAV2CIiIiIiBaQCW0RERESkgFRgi4iIiIgUkApsEREREZECUoEtIiIiIlJAKrBFRERERApIBbaIiIiISAGpwBYRERE... | [
"yes",
"no"
] | null | 1 |
math | grade-1 | simple-fractions-what-fraction-does-the-shape-show | false | true | What fraction of the shape is orange? | "iVBORw0KGgoAAAANSUhEUgAAAVsAAABkCAYAAAAolJMhAAANmklEQVR4nO3df3RU5Z3H8fedTAYmYSYzUMKPtpZKz7bLihTEWrpVScBFAiIip6cWe/acHo+YUvFQFRbtutWiRa3b09O1PWe7e6p1sdJTumcRseCuKKW1dcsvtyBFWqAgkJCfk0zCTGbu3T8mGZIQMpnMvXdmzOf1T+DmznMf5o/PPDz3e79jWJZlISIijvLkewIiIiOBwlZExAUKWxERFyhsRURcoLAVEXGBwlZExAUKWxERFyhsRURcoLAVEXGBwlZExAUKWxERFyh... | [
"1/5",
"1/4",
"1/3",
"1/2"
] | null | 2 |
math | grade-6 | understanding-percents-strip-models | true | false | Which model shows 30%? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVAAAABLCAYAAAAmjt81AAACLElEQVR4nO3XQU4TYRjH4XfawgJBWRiNB1CPwClcmXgJw5ZDsDVewsSN3oIbIO7F6IJQaALSfC4mTUxU0v4DqZXn2bSTmcn3rn5927XW2vFl1edJ1XhaddUKgD8YdVVbw6qnG1WP16u644vWDk6XPRbAatm5XzU6mvQXT9arnt/r6wrA78bTqsPzqi+XVZ8mVYPTq/6GeAJcb2vYt7Kq6mxaNZj+cgOA681a+aNVDZY7CsDqElCAkIAChAQUICSgACEBBQgJKEB... | 0 |
math | grade-2 | equivalent-amounts-of-money-up-to-1-dollar | true | true | Look at these coins:Which group shows the same amount? | "iVBORw0KGgoAAAANSUhEUgAAASMAAAA/CAYAAACrQ655AABLhklEQVR4nO29dZxk53nn+z1YpxiaqplpmFEzI5Yss8wQO+s4sE7iONnN3btwbzbObj73bhaSOHGyMcQQY0xiHI0GpNEw8zQzVFUXHz73j+ppW4lij2TJknz7q48+Gk13VZ33rVNPvQ/9HsHzPI9llllmmdcZ8fW+gGWWWWYZWDZGyyyzzBuEZWO0zDLLvCFYNkbLLLPMGwL59b6AX0YsvUyxWMQwdMrFIrZpUErPYDoesizji8QJBIKEwhFUzU8wHEIQRARBeL0v/ef... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA3sAAABoCAYAAABIZ+lLAAB07UlEQVR4nOzdd5hkV33n//eNlWPnnNOEnpxnlCOSkBCIHAwOYMzKAa/t9Xqxwbu2d+314gV7+QEmRwEC5TgKozCanPN0zqmqK1fd+PujuksaJPBIGpBQ39fzzDMjTXdVndM91fd7z+d8jwDYOBwOxxvMtm0mNTifhZQJhvPO5HA4HA6Hw/GqyAIEJOjwQpUKAk6x53A43gQmCzZ7k2/0q3A4HA6Hw+F4a9gUBPmNfhEOh8MBcC5b/L1GhS5f8a6Uw+FwOBwOh+P... | 0 |
math | grade-1 | select-two-dimensional-shapes | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACJCAYAAADUvSEiAAAGoElEQVR4nO2dTU8bVxSGj/lSmyat1EWrVuqyqdQ/kE1/SH9jBAKJLGABShYEiMGJAqqVBiSiItll4bE9YxgzM54uhqQE7Nhj34/z9UiRYozxDTwQc+c9963keZ43rwFOLgHCDCDNQVFmZqEC8Gge4NcHAD8uAVSa/Tx/1fW9LIUzT74FWHh/Wdz4aQngt28KCxVlVsIM4F0PoHEN8PclwFw3Le5QyRSTPJovnAIAiDKAuezWHYpiko9OJTnAnN+lKFJQ0RQnqGi... | 0 |
math | algebra-1 | identify-linear-quadratic-and-exponential-functions-from-tables | false | true | Is this function linear, quadratic, or exponential? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAk10lEQVR4nO3de1TVVf7/8RcIqCiKqQjeAQ28REGEmZn9kLBxMiu8oUkUeUEzv45GapODmldwRtEVmfdRivFuFirqZDpjWFM61XjLAU1FB9JMIFQ48PvD5ZlOBy/pZg7U87EWa3n25/N57/3Z/vM6e+3P5zi5bSsuVzXwdbdaavvRJUcPo1q4HFnL0UMAAAD41XJ29AAAAACAXxICNgAAAGAQARsAAAAwiIANAAAAGETABgAAAAwiYAMAAAAGEbABAAAAgwjYAAAAgEE... | [
"quadratic",
"exponential",
"linear"
] | null | 0 |
science | grade-2 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Birds have feathers, two wings, and a beak. A robin is an example of a bird. Select the bird below. | "iVBORw0KGgoAAAANSUhEUgAAAtMAAADMCAYAAACx6y9WAADLh0lEQVR4nOy9eZxkVXn//z7nrrX2PvsMAwMDyCqKEhAILlGMK0sANXFLTNxx32LilqjBiAnuqBFBozExRqImCn5FYCTIIrIPDMy+9N61113O+f1xq2qqq6u6e4bWmfxy3q9Xz1Tde+455966Xf2ppz7neYTWWkdRhFIKg8FgMBgMBoPBsDBSSmzbRoRhqI2QNhgMBoPBYDAYDgwpJdIIaYPBYDAYDAaD4cBRSiEP9SQMBoPBYDAYDIb/rRgxbTAYDAaDwWAwHCRGTBs... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA4IAAADMCAYAAAAmsx3gAAEAAElEQVR4nOz9d5xkVZ3/jz9vvnUrV3XO05MzaciSWUEBEUFQ2VVgXde46IpxdRdxDQsKu6iroq4ouqavCcOKgMRhGBiGybmnc6iunOvG3x/DtD1N90yD48rnt/V8PHrm1r0nvO+pc8Or3u9zjuB5nmfbNq7rUqdOnTp16tSpU6dOnWMjiiKyLPNsHpb6ISj9pS2qU2d2Cg7sKcGYCVEZzo4c2i/WRWCdOnXq1KlTp06dOi8N13WxbbsuAuu84glKh36sACg6f9w... | 1 |
math | grade-2 | identify-thirds | true | false |
Look at the colored part of each shape. Which shape shows one-third? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAATv0lEQVR4nO2deXxU5dXHv7NPkslkspOFEAIhAQIIyFIFX4ILiwrVahd8XfqKS7WtvvWjXbS+arUutW9rEUW0LrVauwgSKCiC7CCEsIYlhCUEsk6WSTJLZu8fNxNF/Qi5986dGZPvP3xIcs858/nNc+9zn+ec86iCwWCw0QPHndDlB1+QAb5BaFWQqIHCeMjUg6rRHQzu6ox0WAMowRQzaKudwn+y9FCUIHwbBvjm0OWHKgc0eOCYE9SdPuEXA2J/M0nUCNoC2P2... | 2 |
math | calculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed lines are vertical asymptotes. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AACe8UlEQVR4nOzdeXxU9b0//tes2TeSkIRAEsISCBIgCIKCRKEWta2CtdrWtcu97e1mv+391Xptbxdqe7vZ9lqv9/ZasbW3VluXFkRFDYsgRgIJELYQSMhClkkyyexnZs75/TGZCSHbTHLOzJmZ1/Px8KHOnPM+n8xy5j2feZ/PWyNJkgQiIiIiIpKFNtIDICIiIiKKJUywiYiIiIhkxASbiIiIiEhGTLCJ4sg777yDkpIS3HrrrZEeChERUczS8CJHovixadMm3Hvvvbj... | [
"$\\lim _{x \\rightarrow-1^{-}} f(x)=-\\infty$",
"$\\lim _{x \\rightarrow-1^{-}} f(x)=\\infty$"
] | null | 0 |
math | kindergarten | different | true | false | Which is different? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAGaUlEQVR4nO2dW4/TRhiGX9uJc3DiHGCTLgktRS3bA5WgohxKD1IrFVFKW1SpQmgLy09EveCmv4CL3sICt5RdAgJyYuPYcS/ioN2wm3Psmfm+5wbt2huP/My8nhlmHM33fX/LAR63gYYHuD4YhYhpQNYAPk4DZRPQtjq+f68edbGYMDhnA7FH7f4PqyawZvVrA6MODQ/YbAFPHeBhG9Drbv8Ay1aTrNF3CwBND9C9XQcYNRm47fqAHm1RmLBh4cRg4cRg4cRg4cR... | 3 |
math | grade-6 | identify-equivalent-expressions-using-strip-models | false | true | This model represents the expression 1+1+1+1+1+g+g. Which expression is equivalent to 1+1+1+1+1+g+g? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAA+CAYAAAARUWyzAAAJcUlEQVR4nO3dbWxddQHH8d859/be9t7buz6v3cae2m50DGRswnSbsrlJAmO+MGBMJEaJxhcYiIlReQghorwSxZgQwQzxhZpAAkHQKI6Ba9lgYQ8y5tqytV3XbX247b29T73PvrhbBTa30Z5yzr18P6/a/02aX/Nve3/9n//5H6NQKBQkaTDarZ1HHtDh0TcUTY3LCVY1rNcTm7umP9/2nMvGNJf36h256Y/Jah2ywqk+ON/3vr5BR0f32ZgGVqr21un6ppt19+rHtDD... | [
"5+2g",
"3+4g",
"2+5g",
"4+2g"
] | null | 0 |
math | grade-2 | fractions-of-a-whole-modeling-word-problems | true | false | Becky plays the trumpet in her school's marching band, The Marching Tigers. The Marching Tigers always put on a big show at halftime during the last football game of the year. To plan the show, Becky's music teacher draws a map of the football field and divides the field evenly into 4 sections. The band will march in 1... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUoAAABKCAYAAADdXh2xAAACG0lEQVR4nO3XPW4TURSG4W9sJ0V+IAUCsQBgBSirYBEUWVUK9gC7CCsIoccIisiOLSXYuhQjS3THRgRbyfM09mjmSke3eOdO11pr47vk6zyZLpNFC8CjNuqS42Hy6iB5sZ9049vWLibbHgtgN50+SUZX8/7i5X7y5rCvKMBjNl0ml7Pk213yZZ4MJov+hkgC9I6HfROT5GaZDJZ/3ACgt2rir5YMtjsKwO4TSoCCUAIUhBKgIJQABaEEKAglQGG06YLu/PoexgD... | 2 |
math | algebra-1 | domain-and-range-of-square-root-functions-graphs | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABgL0lEQVR4nO3de3BU953n/U+rL7qDhASSEEiAMdjCCBsb22CI8eDYHjtxApkMzlQunsezmczGk2z+mK3U7Ex2ZsrlTe1MMjXZJJvNbjZ2tuZ5suOK4xljywTH2BARg5FBIGGDLEAXQJfWte/ndJ/z/IGlIANGss/PTaP3q8rl6lafj76c033600enu32u67oCAAAA4Im8bA8AAAAAXEso2AAAAICHKNgAAACAhyjYAKaora3Vvn37Ji+fOnVK8+fPV1dXVxanAgAgd1C... | [
"$\\{y \\mid y \\leq 0\\}$",
"$\\{y \\mid y \\leq 1\\}$",
"$\\{y \\mid y \\geq 0\\}$",
"$\\{y \\mid y \\geq 1\\}$"
] | null | 2 |
math | grade-1 | match-analog-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEJCAYAAADhBFPCAABWoUlEQVR4nO3deVhU1f8H8Dei7IxS7iAgZspY7gJqYaloCWqJmrgvubQY+nXr+00tRTNFf4paKrhrLgmWawktRqmAZi45pCmLDJLhxiAwgwu/P4wRZIa5sy++X8/j08zcc8/9hMzj5577OefYlZWVlYGIiIiIiGxCDXMHQEREREREhsMEn4iIiIjIhjDBJyIiIiKyIUzwiYiIiIhsCBN8IiIiIiIbUtPcAZD5yeVylJSUoKS4GCUlcpSUFKOkpAT2NWvCxdkZzs7OcHZ... | [
"5:30",
"6:30"
] | null | 0 |
math | grade-5 | identify-rhombuses | false | true | Is this quadrilateral a rhombus? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEPCAYAAAB4ALMPAAAhYUlEQVR4nO3de3zT9aH/8XfS5Nu0VGwPZzIGyPGCKIhjA3RYRQXlpiAXHcKssE0dU3TKEEVaQKBMt7mbc5zjxqabPn4+5Cro5DJ2dYpHbJ2CgngB5DIPY0AaQglp8vujtE2+LU0v+eab5Pt6/tUGmn42+ePdFx8SVzQajQoAAABAUrjtPgAAAACQTRjYAAAAQBIxsAEAAIAkYmADAAAAScTABgAAAJKIgQ0AAAAkEQMbAAAASCIGNpo054WgZj8ftPsYAAAAGcfFG80... | [
"yes",
"no"
] | null | 1 |
math | grade-3 | match-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAPPUlEQVR4nO3df2zc5X0H8I8TshJyHbSii9c1bMPXUgk6m1ZaUZMwrUOzp06TRkBtmUZQBWhNqo1kmrM/SqYm+2OxtFCpTbYObcKggIbaSN0mzUaCDLALWzspGVUr1nPo1rLZK21R8z2aUIL3h5vEPjv2fc/P3Td393pJkfzjnns+TvLH2x99nufbMzs7OxsAAEASa4ouAAAAOomADQAACQnYAACQkIANAAAJCdgAAJCQgA0AAAldVnQBjTp9+nQcPXo0Jicn48UXX4x... | [
"two twenty-four",
"three twenty-four",
"two twelve"
] | null | 0 |
math | grade-8 | identify-functions-graphs | true | false | Which of these relations is a function? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAATIAAAE3CAYAAAApC812AAAjgklEQVR4nO3de3xTVYIH8N/Nu+krWKDlURih2ggI5U0HRNFdtSogr2XU3fmMrrjrzPgaR5YZZ9UZUPE146wi4zrrouIDRERRYZlRRNQW5REeMilWKVSmLeWRtE2a990/Lr1JBbFpc5Oc9Pf9fPiQhObm0Nz8cs655yHJsiw3BIAaL9ASBkIyiIjSmkECcvXAeVag0ARIDX5Z/qw51cUiIuqaiXmA4UuvcqefCSjNVlKOiCidtYSBag9QHwAOeAFdc0j5B4YYEYk... | 3 |
math | grade-5 | regular-and-irregular-polygons | false | true | Is this shape a regular polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACLCAYAAABbVu51AAAWGUlEQVR4nO3deXTV9ZnH8Xc2SIAAYUlQUGiBAJ7aamewVYsLFbXtTAvIYkutFe0y7VQUq1Zn6rQ9LVZpEa1t7bh0ceiUpbjMTOsKLq12tB2t9rBjQUTIhoQAgZBl/vgmzU0ImsC993eX9+scTu5PfuQ+Ef745Jfn+zw5LS0tLUiSJEmKi9yoC5AkSZIyiQFbkiRJiiMDtiRJkhRHBmxJkiQpjgzYkiRJUhwZsCVJkqQ4MmBLkiRJcWTAliRJkuLIgH20arbCDz4Kv7o... | [
"yes",
"no"
] | null | 1 |
math | grade-5 | types-of-angles | false | true | Is this angle greater than, equal to, or less than a right angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAfCAYAAADdobogAAAGa0lEQVR4nO3dXWyT1x3H8Z/TOHbi1AlvIWwB3CQFTBqSwrZWYRkmNOm6teJl1drJhWTTUIc0DabSe3axm5Vp9GZU2g2iJC1oI0yrWkQVx2iloLaAgwDzEkOytChxCjjGceIkxLvIYpkEKNmcxM6+H8mSn/Oc5/j/yDc/PTrPOYZoNBoVAAAAgIRIm+4CAAAAgJmEgA0AAAAkEAEbAAAASCACNgAAAJBA6fEHncE2HTu/TwaDQVc6T+tO5JbS04yx8109beoKtkmSjr3... | [
"less than a right angle",
"greater than a right angle",
"equal to a right angle"
] | null | 1 |
math | grade-4 | compare-fractions-in-recipes | false | true | Does this recipe call for more sugar or lime juice? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFwCAYAAACCdAwbAABaqElEQVR4nO3de3zO9f/H8cd17dp5YzZnQhlKjlkSEsohWSl8CX0TIr5EqPwcSg4lhHxVTkl8k0NpSHKMrJyGYQ05M8zM7GTnXdfvj7Urs42N67Kx5/122+32vT6fz/V+vz8f+3Y9r/den/fHYLFYLPzNYrFgNptJS0uz/hiNRhwdHTGZTDg4OGAwGBCRosdisZCenk5aWhqpqamYzWZMJpP1x2g06r8PIiIigCEzYJvNZtLT00lNTSU1NRVHR0dcXV31gSkiObJYLCQ... | [
"sugar",
"lime juice"
] | null | 1 |
science | grade-4 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAADS5UlEQVR4nOz9ebBtW3bWB/5ms9ba3enuue1rbr4u+169ZCGBhEASIAQIEEbI2MYGu4CwcWDclKuKIGzABIWxyxQuVwRluwqVy3SysGmEwSAhJGUqU0pl5suX+TJfc/vmtLtbzWzqjzHn2uuce17ylI8/7AjWix3nvn322XvttcYcc4xvfOMb6hMnMb53CluGf3788+N/k8fcwytLuNfCnoVv35Xn9T833H9+/G/92DLw3qn8e+E3z+t/brj//Pjfw5HttIub5+x... | 1 |
math | grade-6 | which-model-represents-the-ratio | true | false | Which model represents the ratio 2 to 5? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAa0AAABRCAYAAABhcfnhAAAKcUlEQVR4nO3dT2wU1x0H8O9ibCI7plZJMVQiJfRPOAW1Usq5VQ/JIRVJxIFDpFzSQ5VblR4JiRQpQmoUKTeknKKqh6IcwiFc+GfsgEH8M0IyGMcEEuFi73rxeHe8f2ZfD4vNH+96d2be//l+LuA/s/O+PHZ+O2/evMkJIcRsFbhdBoIIqAsQERFZYWMOGOwBftsPDPcBudmKEBcWTTeLiIhofXs3Axunys0vtvcBLw80KxoREZENggi4WQLuV4FbZWDDYr35AxY... | 0 |
math | grade-3 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAZoUlEQVR4nO3de3TU9Z3/8dcMYRgIuQxmbaqNmlMbf9W4bE7dzq9um/1V46nb4Lr7GzDFyipqKxYUEAQvBIggYMwFSSzKxYgjDWP8Um/YakUBt7Js4YdYpN3UJZZUBDZch5ncZ35/AKkoKkm+3/nOTJ6Pc3JkzHw/31cMf7z8nPd8vo5oNBoVAAAAAFM47Q4AAAAAJBMKNgAAAGAiCjYAAABgIgo2AAAAYCIKNgAAAGAiCjYAAABgIgo2AAAAYCIKNgAAAGAiCjYAAAB... | [
"obtuse",
"acute",
"right"
] | null | 2 |
math | precalculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed lines are vertical asymptotes. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AACN7UlEQVR4nO3deXxV9Z0//tdds+87gQSQRYOEHURBsDKWirVFa7WdVrvOtFZtZ+xMl1+nM+0wttNWO51ah2nHpWq/08pUbatGRUHBIAIRAglLQiQhC9nvvbn7WX9/3CUEErg3OSf3Juf1fDx8IHd558PNvZ/zPu/7Pp+PSVVVFUREREREpAlzogdARERERDSdMMEmIiIiItIQE2wiIiIiIg0xwSYykF27dmH27NnYsmVLoodCREQ0bZl4kSORcWzatAmf/exncc899yR... | [
"$\\lim _{x \\rightarrow-5^{+}} f(x)=-\\infty$",
"$\\lim _{x \\rightarrow-5^{+}} f(x)=\\infty$"
] | null | 0 |
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/t0lAAAf3klEQVR4nO3df3TW5X038E+AKCFIA5pQINX4ayQ54xgMCahnsK6eHZlNVWZnNydaJ7PuqV2n2+qP5+lYFcWerW5FrLU9raLbPBvlyOyj9Gi11PpA0Fh2sCGuThIFhGCbaEikBLifPzylpRCE3N/c3/tOXq9zPIf7eyW53gE895sr1/f6FmUymUwAAACJGJV2AAAAGE4UbAAASJCCDQAACVKwAQAgQQo2AAAkSMEGAIAEKdgAAJCgnBXsPXv2xJ49e3I1HQAApCJnBXv... | [
"no trend",
"positive trend",
"negative trend"
] | null | 0 |
engineer | grade-7 | laboratory-safety-equipment | true | false | Select the fire extinguisher. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AAAja0lEQVR4nO3de3gcZ30v8O9vZnellSVblmznQi52osaSd3fkZCGJkhScBsIlhQCpHnKhEM5pSMPD6dOnUCgUKIWWUiiHkvO0XMoJkCcFDj5QLoWUBqhIgRQOItZeYhMc4oCDjZF1W0nWXub9nT+0sxmNpdVtd9+Z3d/nefxo3tFI+u56fzuzM++8LyCEEEIIIYQQQgghhBBCCCGEEEIIIUQLId0BRP0kk8mOycnJF9m2/QoiuqxUKnUAaCt/Ox8KhWaZORsOhw9... | 1 |
math | grade-4 | interpret-stem-and-leaf-plots | false | true | A crayon factory monitored the number of broken crayons per box during the past day. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAClCAYAAABm8IozAAAp3klEQVR4nO3deVxU5f4H8M8wAwOjICAJssgiigqJiokYJsTikmhp7htqogG5a6j9DM3051LeC7iX+1W7huBuKqZgqblELnkTcYkMUlRkFBcGnt8f/jg5l1XvMHNzPu/Xa16v8TnnOc/3OeMfnzk854xMCCFAREREREQ6YWLoAoiIiIiIXiYM2EREREREOsSATURERESkQyZJSUmQyWRaL7lcDicnJ3Tr1g3p6ek6HdDNzQ0ymQypqak6PS7994uMjIRMJsP48eMNXQo... | [
"13 broken crayons",
"12 broken crayons",
"10 broken crayons",
"11 broken crayons"
] | null | 0 |
science | grade-3 | identify-properties-of-an-object | false | true | Which property matches this object? Select the better answer. | "iVBORw0KGgoAAAANSUhEUgAAAKwAAADQCAYAAACa0YpiAAAvnUlEQVR4nO2dWYwl2Vnnf+fEcveba+3V+253V3vBRjODx4w1gzTTo0EwBlnDix8QD36whBASL/AGErbEIgQCHiwhD9IIjWDQIEAgPNiNGWO7e2x32a7uripXu2vJqso9866xnHn4Yjn35r2ZWdVVXTey46+KirixnpPxj+985zvf9x1ljDEA/X6fGzdusL29TRiGlCjxoOG6Lu12m1OnTlGtVgFQxhjT6/W4dOkSjzzyCNVqFc/zHnBRS5SAIAjo9/tcuXKFp556imq... | [
"transparent",
"salty"
] | null | 0 |
math | algebra-1 | domain-and-range-of-square-root-functions-graphs | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABq4klEQVR4nO3deXRU54Em/Kf2Ku1CEpIQSCAWGYHEKrAwGByI7diJHciCk5PE7nF32pk423yTmZyeJN2dz+PJme4kE7eTSXvabTtz+ptM3MHuGCwINhiwZCOQQSCxCQFaECWppKpSrXf//pAlUyxGBfelVOj5ncOxVar76NW9VbeeunrrXothGAaIiIiIiMgU1lQPgIiIiIjoTsKCTURERERkIhZsIiIiIiITsWATUYKysjI0NTWNf33+/HkUFRWhq6srhaMiIiJKHyz... | [
"$\\{y \\mid y \\geq 0\\}$",
"$\\{y \\mid y \\leq 0\\}$",
"$\\{y \\mid y \\geq 1\\}$",
"$\\{y \\mid y \\leq 1\\}$"
] | null | 0 |
math | grade-4 | measure-angles-with-a-protractor | false | true | Is this angle acute, right, or obtuse? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEVCAYAAADaTZLyAADkcklEQVR4nOz9dXTca7bYeX+rVCoxMzNLtizZkm0ZZWYfH+hDjfcmuUmG3pmVWW/WO5NkZSADmckEJrdv3+4+TQd9zCSDLFtgWWjJYmbGUqmY3j9K+h3LKNkynuez1lndKvo9Jauqdu3ffvaW2Ww2G4IgCIIgCIIgrAr5616AIAiCIAiCILxLRIAtCIIgCIIgCKtIBNiCIAiCIAiCsIpEgC0IgiAIgiAIq0gE2IIgCIIgCIKwikSALQiCIAiCIAirSATYgiAIgiAIgrC... | [
"obtuse",
"right",
"acute"
] | null | 0 |
math | grade-5 | regular-and-irregular-polygons | false | true | Is this shape a regular polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD4CAYAAADW4JEaAAAg7ElEQVR4nO3deXwc9Z3m8ae6qlqSJcuy5duSg218yGDsxcSZwEBCQgBjQvIiwwTYIUMCOIHsbq6ZkGvCTMgByWZDdmdDCJCQsBOYJSETgm0gB+SCBWxiJ8YnNmD5wLZk2ZJlSV3Hb/+obsmAbXT0UdX9ef/TIL+AQt390tNffev3WMYYIwAAAAB5kSr1BQAAAADlhIANAAAA5BEBGwAAAMgjAjYAAACQRwRsAAAAII8I2AAAAEAeEbABAACAPCJgAwAAAHlEwEa/l3u... | [
"no",
"yes"
] | null | 1 |
science | grade-3 | identify-rocks-using-properties | true | false | Select the one substance that is not a rock. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAACpDUlEQVR4nOz92ZNd2ZXmB/7OfM6dZx8xTxEMRgbJZCazMsWqrKG7Kq3UZjLT/6R/QLJ+k970ILNuU6klK6mquyZmFbM4BocYEAAC4XCHT3cez7ln7od99r7XwWAyiyTICNCXGQyAw3H9Dnvttda3vvUt7QezPH9UhqrBtV3btf0atkjhkxWcR9A04b9qiK/r1451bdf2m1nVgEdl8edluvm6fu1Y13Ztv7lJP4rzzdf0389TubZre/Pt2rmu7dpek10717Vd22u... | 1 |
science | grade-8 | use-punnett-squares-to-calculate-probabilities-of-offspring-types | false | true | This passage describes the scale type trait in common carp: Carp are large freshwater fish that are often raised for food. Before a carp is cooked, its scales are usually removed. Normally, carp are covered in small scales arranged in straight rows. But carp with mirror scales have large scales arranged in scattered pa... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAD6CAYAAADUdTPBAAAiaklEQVR4nO3deXCUdb7v8U93J+nseyYsIUDgsCnbiALjggqO4li4HHdxVHBu1fGod8blzNSMZ+6ZuVZ5nXNmpmpKLQXBkWF0FAYdN8AEiMCIQlwQBYGQPSEbIXt3kl7uH510OpKEBBo6+eX9qrKqm376eX70T6o+z/f5LRav1+sVAAAAACNYQ90AAAAAAMFDwAcAAAAMQsAHAAAADELABwAAAAxCwAcAAAAMQsAHAAAADELABwAAAAxCwAcAAAAMQsAHAAAADELABwA... | [
"4/4",
"1/4",
"3/4",
"0/4"
] | null | 1 |
math | kindergarten | fewer-and-more-compare-by-matching | true | false | Which group has fewer? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMwAAACGCAYAAACR4WX4AAAkDUlEQVR4nO2deXhcV333P+fce2fftFirZcmSLe92EhLbZCFpFieENCxJCXtSaHnoSwMlbymFUl7e56Vl6UJJSEopLTSlAbJBMA3ZIGk2xzZxvMmb5FWyFstaRiPNeu897x9jx5ukeKQZ2YHz+SdPPONzz/3+/D1z1t8RSinVm4WOJCQcsBUajeYYpoCwAfMDUO0B0ZtRasPIua6WRnP+syoCZnsy/z+1HlgQzLtJo9HkSTiwewx6srAnCXLEzn+gzaLRnEnYyHs... | 0 |
math | grade-3 | fractions-of-a-group-denominators-2-3-4-6-8 | false | true | What fraction of the shapes are circles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABKCAYAAACB4iNkAAAM10lEQVR4nO3dT2ybdx3H8c8aO2nsOrHzD2iSxVGnjiYVEoc2rUS17sAmjePoxGEHpGk7rBdKu11AqpDgQinlsh4YcOIwrePIpMGBolVKk91QnULVEpe4FeSfHTuP88dOyiF1YFvSfJ38nufJsvfr2trP73nra+unJ4/tpx49evRIAAAAAJzYF/YCAAAAgL2EDTYAAADgEBtsAAAAwKFI2AuoGZu6KUnylouSpHhjiyRpoPNEaGvajegEl5gnGzrZ0AkA1gS+wc4WMvr... | [
"7/8",
"5/6",
"1/2",
"3/8"
] | null | 1 |
science | grade-4 | compare-properties-of-materials | true | false | Which is the scratchiest? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AAAm7klEQVR4nO2df3AU5f3H33uXXHK5JOQXEEiiIQlJJBGQBPkhvxtpRVrtgIqtI+qMWqbWVmrpjHUYq9RpS7EzolXH0cqPVtFMWyhCRSo/CwYSkkIChBASJHDkF+T3j7vcPd8/8n22e0+eZ2/vctxtYN8zO7v77N7e7rOvfX+e59lnd6Xj7YTk2IAYMwwZCqo6XUB1N2B3APFhwJy4wXSTAaShUCnGDOTYBqe7XP9LNxlAGgqlKH9O8r80U2h2xZAhsQwoDelOBpS... | 1 |
math | grade-1 | purchases-do-you-have-enough-money | false | true |
A chocolate donut costs 47 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAB3CAYAAAB2WzTHAABt+UlEQVR4nO3dd5xU1fn48c/0sjOzO9t7g4Wl96r0KhZUREGNEntsMUajicaSmJjErzHNFvNLjFETOyoWQFAQpcPS68JWtrcpu1Pv+f0xO8Muuwu7gIJ43q8XL2Dmztx7z9y589xzz3kelRBCIEmSJEmSJEnSOUF9pjdAkiRJkiRJkqTTRwb4kiRJkiRJknQOOe0BfqNfkLPUwbCVThr9cvSPJEmSJEmSJH2behTgL67w8/hez3ED9y9qAxQ1KxQ0Bfnh5uZT3kBJkiR... | [
"no",
"yes"
] | null | 0 |
science | grade-4 | compare-strengths-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. | "iVBORw0KGgoAAAANSUhEUgAAAcgAAACBCAYAAABEgSr6AAAa8UlEQVR4nO3deXQUBZ4H8G91J53uhKQTcocAIQmCBAS5kYwKIsghIIiI4yxGRXTF0beP3UGHRccbcQTWmQVReYAIMzACghweCKiIQiJySsIVrlyQo3N1kj5q/8gmEtMhfVR3VXV/P+/xXo7qrl8Xv29+1dXV1YIoiiKIiIioBY3cBRARESkRB6QP/PzzzxAEocU/nU6Hnj17Yt68eaiurnbp/u6//36MGjXKrVqOHTuGnj17IjIy0q3bE6mdUvJ48uRJTJw4EbGxsYi... | [
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is stronger in Pair 2.",
"The magnetic force is stronger in Pair 1."
] | null | 0 |
math | kindergarten | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABZeUlEQVR4nO3de1yUZfo/8A+IAwJjynBwKHVABU2mragAjwilHQQrrZR+7Ultv7W7ybYdNtitrV1tO+wu1Le+7apbe2i0TSvBtqQwUBMs6TSogTqMWoODjKdhEEaU3x/sTAzM4Z4TM8Dn/Xr5ipm5n+e5U+Y119zPdV9XSHd3dzeIiIiIiMgnQgM9ASIiIiKioYQBNhERERGRDzHAJiIiIiLyIQbYREREREQ+xACbiIiIiMiHwgI9AQq8c+YLaO/sgqmjq+e/nT3/DRs... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5AAAAEJCAYAAADiusiGAABk20lEQVR4nO3de1zUVf4/8BeIAwLjheHiUMmACpmMVlSgpqKUdgO7WCmt7UVxv7WWbNtlF3dra1fbrXYXauu3K7bbpou26ZZgW1IYaAmWVDKogTqMXQYHGRWHQRhQfn/QTIBzOTPMDXg9Hw8ezuWc83mLMzXvOee8T0B3d3c3iIiIiIjILQICAnwdApHHBPo6ACIiIiIiIhocmEASERERERGRECaQREREREREJIQJJBEREREREQlhAklERERERERCgnwdAPneOdN... | 0 |
math | kindergarten | count-to-100 | false | true | How many ovals are there? | "iVBORw0KGgoAAAANSUhEUgAAAcMAAAHWCAYAAAALneL2AAAviklEQVR4nO3dXWxbdQK/+S9x3lrbTWonaVzqVFUaU3drSlgJTUcgQVlpKQguVmoicTVUbbQXCxcjJCTYy62gEurFsqNhaAWICzJNpdWMEExXGnUYqUpGSNCC0zE4DVLiqg6pferWdps3x3sRBZGK0+Y47s9/fJ7Pbeec80wu+CqtfX4PlcvlcqFQUDweVzKZlGVZAgCgngUCAUUiEcViMfl8Pimfz5eHh4fLo6Oj5UwmU/4tOHnyZK0THKPZDJrNoNkMmh+cTCZTHh0... | [
"92",
"82",
"83"
] | null | 2 |
math | pre-k | count-pictures-up-to-10 | false | true | How many boats are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAACaCAYAAADcgTybAAA9OklEQVR4nO3deZAcWX7Y9+/LzLrvqr7vbjTuATDA3MOZndld72XxWK5FkWKQIVOkY0VLJGUqFOIhmaRlh+ywwgxKomWTFsNhryXSCnuX13J3x9Luzuzu7AzmAgZ3N7rR9133XZX5/Ed1F9BAYwAMkDOY2t/njxmgUZVV1fkF4r3OfJlKa60RQgghhBBCdATjw34DQgghhBBCiAdHBvhCCCGEEEJ0EBngCyGEEEII0UFkgC+EEEIIIUQHkQG+EEIIIYQQHUQG+EIIIYQ... | [
"6",
"9",
"3",
"5"
] | null | 3 |
math | algebra-1 | identify-linear-quadratic-and-exponential-functions-from-tables | false | true | Is this function linear, quadratic, or exponential? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAVoUlEQVR4nO3de5CWdcH/8Y/sCiLwQCjIekBAHFTQxFHILH08DJqNY2pkeHqYSM2ZJCcmx8OE1XgeUjSDQkWtUAeiNBQD8xTJIDU/w0qwHFZNUzlJHARld/n90cg8PBi48b33dndfrxn/8Lp3vteH/957z3Xfu8uSc17bnFZg7xt75h9XrKr2jI9s0LT9qj0BAIAq6FDtAQAA0JYIbAAAKEhgAwBAQQIbAAAKEtgAAFCQwAYAgIIENgAAFCSwAQCgIIENAAAFCWwAACh... | [
"linear",
"exponential",
"quadratic"
] | null | 0 |
math | grade-4 | identify-faces-of-three-dimensional-figures | true | false | Which shape has a square as a face? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAkw0lEQVR4nO3deXxTdb7/8VeSpk1XutIUukIXaCm2gCCbgKCIggp60XFXdGbU8c7m/f1mdByvznjn3vmNo3NHR50RFXdQcaGyyL6UHVq6b0D3dG+6pema3x9pY4sFC01yTpLv8x8fHMTzrQ/fnnM+eZ9vFCaTyVTTDSUGaOuDXhOCINiImwJ8VRDnBaHuoKjpMpmOt0q9LEFwPXP8wK3YYP5FmDskeJvTKQiCbbT1QWEH6LqhyADK1l7zb4jwCYLt+arMWQNo7wN... | 0 |
math | pre-k | represent-numbers-with-pictures-up-to-5 | true | false | Which shows 5? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAk9klEQVR4nO2dW4wc13nnf6e6q7r6PtMzPRfODMkxSVOhKBGJLDqwkUSKJS0cYZMgyDpB8pY8Ow8bBMiLAD8EecqD/LjZIMAaSIxsYATYtZGLnQgQAngVy7Co8CKKlxmS3XPr7rn0vbqr6uxD9ZBz75oZNqun5/weOGDXqdv3nX+d+/mElFIuteB+HSoO2BKFQtEjwgKSIbgUg3EDxJIl5X+Ug34sheL08eUUhO/Vvf9MGnA57qlToVD0hooDd2uw2ILP66CVbe+... | 0 |
science | grade-5 | animal-adaptations-feet-and-limbs | true | true | Ospreys eat fish, mammals, and other birds. The osprey's feet are adapted to grab prey. Which animal's feet are also adapted for grabbing prey? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd3wcxdnHv7N7Tb33alvuFRdsMDaYanovpoQeQge/dEISykuKCSVU00IxIYQOCQTTsXHvvUq2Zav3em133j+uaG91JxuiAMm733wU3+3tzszOnsRvnvnNM0JKKf1+P7quY2FhYWFhYWFhYWHxn4miKNhsNoTP55OWuLewsLCwsLCwsLD4z0dRFBRL3FtYWFhYWFhYWFj8d6DrOsqP3QgLCwsLCwsLCwsLi/7DEvgWFhYWFhYWFhYW/0VYAt/CwsLCwsL... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9d5wkVb3+/z5V1TlMzjObc2YDLCy7ZFiiIBmRpJhQRL5gvOo1/LxeMXCvCRADXBS9SlYk57Asm3OemZ2cQ+fuqjq/P6q7p6enZ3dQFPXW83rNa7urTp1U1bXnOc9zPkdIKaWu65imiQ0bNmzYsGHDhg0bNv45oSgKmqYhhHivq2LDxr8kFJs427Bhw4YNGzZs2LDxzw/TNNF1/b2uhg0b/7JQbOJsw4YNGzZs2LBhw8a/BuyxvQ0bfzso73UFbNi... | 0 |
math | grade-5 | multiply-unit-fractions-by-whole-numbers-using-models | true | false | Which model represents the product 2×
1
2
? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANwAAACOCAYAAABaHGZ9AAAD7ElEQVR4nO3YsWvUdxjH8eeSKHjRdgktnRSh7SDO1qkOXfs/aP6E/gXnmsE/Qbp3s6vD3ZQgdNPBWo4EBC0GBGMOtR6/DseVWiWD+fq5q75ecCTHwXPP3cObQHpd13WPX1X9Mak6mFa97gpoZK1XdWa16ut+1Zcnq3qPX3bdnWeLXgs+fpc+q1p7MJk9+epk1bfrsxqBNg6mVfcPqx69qvp9UrXy7PXsBbFBe2dWZ21VVT2fVq1M//UC0N68rb+6qpXFrgKfFsF... | 1 |
math | grade-7 | perimeter-and-area-changes-in-scale | false | true | Look at this square: If the side lengths are tripled, then which of the following statements about its perimeter will be true? | "iVBORw0KGgoAAAANSUhEUgAAABQAAAAOCAYAAAAvxDzwAAABT0lEQVR4nNXTMYrCQBTG8X90FYyNCEJqB7EVW+3sgo2WEkQLPYA3EC+glQewECsLQbAINtpkOsETWASRiAdQ3hYB2QXXItjs103zm2/e8AwRET6Y2CexX+B4PMayLLLZLIPBgMjFRURc15VCoSCn00kul4tUKhXxPE+ixBARabfbVKtV+v3+28sbjQalUgmtNcfjkW63SyqVYr1e4/s+i8UifPLhcCAIAsrlMkophsPhSzAej+N5HqvVis1mw2g0IpfLsd1uabVaTKf... | [
"The ratio of the new perimeter to the old perimeter will be 1:2.",
"The ratio of the new perimeter to the old perimeter will be 2:1.",
"The ratio of the new perimeter to the old perimeter will be 3:1.",
"The ratio of the new perimeter to the old perimeter will be 4:1."
] | null | 2 |
math | pre-k | select-solid-shapes | true | false | Which shape is a cone? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAXy0lEQVR4nO2d708bV7rHv2PP2B7D2GATww0JPxIIdJMo6RXZ5qbRJlIqbbW9q676Zld91X+tb/bHm2qzu61aaSs1uUmTu0QKudAWAikGQtZQbLAHPB7P2HNfHJ+xjQ1lbI+Zsc9HqqqQ2B7sj595znPOeQ5nGIaRyAMrWUAuALoBBsNx8BwgeYHJIDDoA7iEahj/ypz2ZTEYJ+edEMAvZ8kf/sMHTPUQqxkMpyEXgKUD4N954GUW8GR08hdMWoaTkbzEUQDYLwC... | 2 |
math | grade-1 | select-two-dimensional-shapes | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJIAAACaCAYAAABCKBHjAAACe0lEQVR4nO3US2pVWRSA4XVuHg3LV0upAVTVEJyKg3A6zsGxOAMffWOvSEwgqVxONQ6CPRV+vFz5vtbebFisxs9e1nVdL+5mPt7MXO1n7teB7zpdZh6dzPz1YOb5+cxycbuuby8PvRbH7MXjmdMPN9vlz/OZf/7YKoPvudrPvLue+XQ38/5mZnd5vz2IiJ/x6GRrZmbmy35mt//mAX7G12b+W2d2h12F34WQSAiJhJBICImEkEgIiYSQSAiJhJBICImEkEgIiYS... | 2 |
math | grade-8 | apply-multiplication-and-division-rules | false | true | The number line shows two unknown numbers, p and q. Is pq positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAJMUlEQVR4nO3df0yT+R0H8PdD7dNSwIKogEoh2+5QzhxREUEZh7fs/uG4E6PZ3KbnZmamcTG3LXPZJV52IW4umdsfSiQxl4UlTJIFN7lcNOZyIl4oCDpuKGPoRFCUn1Kgpe1DefZHaYUJwsW23z7l/UoweZ72j3fyUPPul8/3eSRVVVUQaVhlZSUkScKePXtER6EQ4TVffHjNiUhLlogOQPSyuru7RUegEOM1X3x4zYlISxZcsBVFQXNzMxoaGrBy5UquIhCFgfrei7A... | [
"negative",
"positive"
] | null | 0 |
math | algebra-1 | identify-linear-and-exponential-functions-from-tables | false | true | Is this function linear or exponential? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAWI0lEQVR4nO3de3DV5bno8YcQgtxFIEYRBW+E422jIraIbCqi1Tl1j1RRWyneR0fbOpYcixfUthbLqUadKZQZsUwBqai1PbOjQQ+CnvYEsVrvuvVY9aAoGKSQKJIL5w+nnGbbLbB5wmKFz2eGP/L+1rzvk/++rHlXVqfpN723OYrABZf3j3tnflToMbbJf5u2b6FHAACgQEoKPQAAAHQkAhsAABIJbAAASCSwAQAgkcAGAIBEAhsAABIJbAAASCSwAQAgkcAGAIBEAhs... | [
"exponential",
"linear"
] | null | 1 |
math | kindergarten | cones | true | false | Which shape is a cone? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAX10lEQVR4nO2dTWwb153Af2+GFCnqw5Iox7Ys+aOOFDSA7SIF1g4WjRsD6cGB00PcW5JTgyzQ3QRtekrby6a7uTRoku4C26Z7WDunTX1YB/Ypa8cusHZ7SCMVSDaSF7Yj2bIjUaIsiRTFmff28DgjUqJl8fvr/S4Uh+TME+fH//zfx7wnlFLq7ipcT8CiC47CYKg7AgK6bBiOwI42EHdTSv35fq2LZTBsnSPdEJhI6Ce72uCxDm21wVBvLLrw5TJMr8J4Aqz7jn7... | 2 |
math | calculus | find-inverse-functions-and-relations | false | true | The graph below shows a function. Is its inverse also a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABpUElEQVR4nO3df3Rc9X3n/9doRr8lW7+MJMtIxthWsLEMNgZsbDAxAQqEjZ2wpmmT0k3TkG2aNu23++3p6aYbluXknObHNzRkk2yzgWSzJw0toYARjgkGOzbGWNgyFsQWwpYly/otjeb3nR/3+4cYxTL+MWPfj0YjPR/n5BCN57701r0zd973M597r8u2bVsAAAAAHJGT6QIAAACAmYQGGwAAAHAQDTYAAADgIBpsABNuvfVWPfvssxM/P/fcc7rmmmuUSCQyVxQAAFm... | [
"yes",
"no"
] | null | 1 |
math | grade-6 | which-figure-is-being-described | true | false | Tammy made a 3-dimensional figure out of cardboard. The figure had 5 vertices and 8 edges. Which figure could Tammy have made? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMwAAABSCAYAAAAYTjvBAAASVUlEQVR4nO3dfVhU1b7A8e8gYIoyaKAW1gy+cCUq4RxIKwuIczzoSUET7VoKeNQ6ioBvHfGmDOlRrq8gpF5PypDWPaIG1FPKk8KYxXPEN+xq6lFsSEWCzAEBX0D3/WNi5yAgM8yA1fo8D08Pe6+99m8mf+y11l5rb4UkSVLZLThXC9duQ72EIAg/sVdA904wsCv0dgRF2U1JKqzq6LAE4cE3xBnsz9Yaf3nEEf7DyZhNgiAYXbsNZ2rg8i34dy3YVdUbd4hkEYR... | 3 |
science | grade-2 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Mammals have hair or fur and feed their young milk. A kangaroo is an example of a mammal. Select the mammal below. | "iVBORw0KGgoAAAANSUhEUgAAAtMAAADMCAYAAACx6y9WAAEAAElEQVR4nOz9d7hkVZm3j98r7FDp5M50N6FpYpMZkBaUURQQECQo4QXBwA8jMKNgQERmdBRexIAzREFgBkVlBBwFZBwkSEaSSGygaWg6nlBhhxV+f+zqM7RNQwMH8eu77+s613WqaodVe6+qetazPuvzCO+9N8bgnKOkpKSkpKSkpKSk5NWRUqK1RuR57stAuqSkpKSkpKSkpOS1IaVEloF0SUlJSUlJSUlJyWvHOYd8qxtRUlJSUlJSUlJS8v9VymC6pKSkpKSkpKS... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA4IAAADMCAYAAAAmsx3gAAEAAElEQVR4nOy9ebxkRX3+/66qs/V299n3YRjWYUcQBCVugIggiwsEBBP9uSVgEjWJSwiJ+88QlySgKKgYFQ0B9YuAGJFFdkT2bZhh9vVuvZytqn5/nO6+3XebOzCK3/z6eb0abp+uU6dOneqe85zn83k+wlpr0zTFGEMHHXTQQQcddNBBBx10sGtIKXEch/tHYJ8ClNTLPaIOOpgcoxqeqsCmGHodeFVPtl12SGAHHXTQQQcddNBBBx3sHowxpGnaIYEd/NGjpLK... | 1 |
engineer | grade-6 | evaluate-tests-of-engineering-design-solutions | false | true | Which of the following could Lindsey's test show? Lindsey was taking part in her school's engineering competition. To win the competition, she needed to build the popsicle-stick bridge that would hold the most weight. She could use only 200 popsicle sticks. She had two different design ideas. She had to pick one of the... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAELCAYAAACyM7+LAAEAAElEQVR4nOz9WbNkWZbfh/32cCYf73xjyjkrq6u6CtVdQA/oBiAQJCSQIB5kImBGM0JfAI8yfgk84AGveJRkBpkEkxFmIkiZCIAgAbAbPaC7qqsq54w54o4++xn2oId9zrl+PW7cG5GRkRFZnSst0v26Hz/j3muv4b/+S/yDf/APPN/Kt/KtfCvfIPlH/+gfvZLjaoB/+A//4YvtxV2uc70/+14Ice519fvVz1bfW2sv//3Z2wv3sfrZRfKi369Kcy2r1/yiIqX8yvb... | [
"which design could hold more weight",
"how much weight a bridge built with 300 popsicle sticks could hold"
] | null | 0 |
math | grade-7 | identify-linear-and-nonlinear-functions | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABhuUlEQVR4nO3df3RU9b3v/9dkZvI7YUICCQYTQIQaTBAULAiCB6serZ5C24vttz88X9tz21tr29XvuavfrrbrtsfD6lqtPatWvb09p8cf53R9e+utWhUjxYpAQwWJEEiwGhFCAuQXZJL5vWdm7+8fIZHwQxLYHyaB52OtKDPJvOadvWf2vGZnz4zHcRxHAAAAAFyRlekBAAAAgEsJBRsAAABwEQUbAAAAcBEFG8Cwm2++Wc8///zw6RdeeEHXXHONbNvO3FAAAEwwFGw... | [
"linear",
"nonlinear"
] | null | 1 |
math | pre-k | one-less-with-pictures-up-to-10 | true | true | Count the dots in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFACAYAAACGDgu2AAAgU0lEQVR4nO3df3CV9aHn8U9OzslPkpATAgQ2F4giBhKYKsNIS7Zyu2Xsekfu4OxW94/dcitie606/UPr/uPMdsexhSrb0lFnhNlLd5xWEat3ZBevVp2gXeuPrvJLiEnIDwyQH5Bw8sOQ8Owft86U0eT8+p7zfZ7n+379m+d8n8/n3rZ8eHzMKfA8zxMAAAAAIyK2AwAAAABhwsAGAAAADGJgAwAAAAYxsAEAAACDGNgAAACAQQxsAAAAwCAGNgAAAGAQAxsAAAAwiIE... | null | [
"iVBORw0KGgoAAAANSUhEUgAABDAAAAFYCAYAAAClCwyGAAA1K0lEQVR4nO3dfXRV9Z3v8c9JzskTeSAnCRBohmcwEqAiRWnJtLRTxo630qV2tehaM0Wt2E6tzkxb63g7XTO1rVbqI9PWmcpqaeXOrYhVF05xbK0X1KtFLAbBEJNACCZAEkxychLywLl/UBy5kJ2Hs/f57bN/79c/Wcuc/H7f71fXWe7P2ee3Q5ISAgAAAOCKRCKh1n7p7bjUPSQN8n/bADAu4ZBUkCnNzZMmZ0khEWAAAAAArmk9mdCrXaarAIBguaRQCpsuAgA... | 0 |
science | grade-3 | animal-adaptations-feet-and-limbs | true | true | Flamingos live near marshes, rivers, and oceans. They eat small crustaceans that live in shallow water. Flamingos get their food by walking through water, or wading.
The flamingo's legs are adapted for wading. They are lightweight and keep the bird's body above the water. Which animal's legs are also adapted for wading... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd5wURf7+31XdM7M5sgssS44iICIKBlTMATFh5gzomc58Kt59z/P86RnOU+9UVE4PRcXz1FNRTwwYkCAiUUDJOW7OOzvdVfX7o3qGXUBdlNML87xe+4KZ6emurq7ueepTz+f5CGOM8X0frTVJJJFEEkkkkUQSSSSRxH8mpJS4rovwPM8kyX0SSSSRRBJJJJFEEkn850NKiUyS+ySSSCKJJJJIIokkkvjvgNYa+VM3IokkkkgiiSSSSCKJJJLYe0gS/CS... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9d9hlVXn+/1lr7XLq28t0ZphhhjJ0BJQOFkTEBkFsFPPDhopExZhoNBo1ErEXoqJoMFi+EkTDN4AFpPcytBlgen37e/req/z+WPs9wyjIiJOg+Z77uuaamXPOu/faa6913n0/9/Pcj3DOOa011lo66KCDDjrooIMOOuigg79MSCkJggAhxPM9lA46+F8J2SHOHXTQQQcddNBBBx108JcPay1a6+d7GB108L8WskOcO+iggw466KCDDjro4H8HOs/... | 0 |
science | grade-4 | use-climate-data-to-make-predictions | false | true | Which months have average temperatures of 30°C or higher in Dubai? Use the graph to answer the question below. | "iVBORw0KGgoAAAANSUhEUgAAAcIAAAFJCAYAAAAIby1eAACHUElEQVR4nO3dd1xUZ7748c/MMJShd0RABBHEChYQxa7R2Es2MdUkNzdls+tmk7ubdu/ub+8mN3f3bja7KbubLZpeTKzYEo1iiWIDEQUFpKpU6TD9+f1B5gQEDSowKM/79cqunCnnO3POnO95ukoIIZAkSZKkfkpt7wAkSZIkyZ5uuUSYmpqKSqVCpVIRHx9v73Ckfmjt2rWoVCrGjBlz0+/l5+ennM8qlQoXFxeioqJ44oknOHv2rN3jCw8PR6VSsXHjxi6/5vnnn0e... | [
"July through November",
"January through May",
"May through September"
] | null | 2 |
math | algebra-1 | identify-linear-functions-from-graphs-and-equations | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAfwAAAH8CAYAAAA0Uh0TAABqxElEQVR4nO3de3Bc5Z0m/qfVV91b1tU3STa25djIN2x8k4OJCTCYEOzMrgmbEDLM1MAmIZmpma3sVDY1SQHL1kwyC4EEssuAM7UJCb8YCNiyMfgu4YuEJVvyTZatm+1Wq6XuVl/POd3n/P4Q3XFbst1t9etWq59PFUWp3f3o1fv2Od9zec85Ok3TNBAREdGklpXqBhAREZF4LPhEREQZgAWfiIgoA7DgExERZQBDqhsw0bldYZxo8UMNazAYdHC7wnC7QjHv+fq3SlL... | [
"nonlinear",
"linear"
] | null | 0 |
math | grade-2 | find-the-next-shape-in-a-repeating-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAUgElEQVR4nO3dT4xd110H8N/7P7HHM4nBNknTljI0DYFQghJatamKWpSACgJVlRCwq8SCNdtWCNoFK3YsWLEBsQEkhELbCJVWpG3UVgolihOSDg2JY2U8jR3/GXvev3tZTMZ2antm3pv37r3vns9H6iaZ9+75nvN6850z573XyPM8DwAAoBaaZQ8AAACYHQUfAABqRMEHAIAaUfABAKBGFHwAAKgRBR8AAGpEwQcAgBpR8AEAoEYUfAAAqBEFHwAAakTBBwCAGlHwAQC... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAZjUlEQVR4nO3dTWwc533H8d/M7s6uKGpXVkMythUnKWvFVaumKuTGSBSkSAq5rWo0MAwUsW8Gesi51wRBGx966q2HnnypkUsaoAiUF6FwY1SOBVuAkgqmFStsVIliRK5NmqRI7ey89UAv9UJyyd2d9+f7AXyIuLvz/J9nszu/fZ55xoqiKBIAAACAUrAsK+sm5JKddQMAAAAAIGkEHwAAAAClR/ABAAAAUHoEHwAAAAClR/ABAAAAUHoEHwAAAAClR/ABAAAAUHo... | 1 |
math | kindergarten | different | true | false | Which is different? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAFuklEQVR4nO2cP1AbRxSHf/dHGkkRUUZAgscjMc6YoJlU0LgQpSddYrduUU0bapdJSqfFLW1wurgVjQtoTczEM+cwJoOsGQHWjRXdbYrTYeIBSYDu9t299zVISDO7et++3b292zWUUuqwB+x3gRMP6CsIKcI2gCkLWCgAX2UB4/CDUi+OdVdLiIN7nwP2q27w5lYWWPwsaA1CejjxgL33wNse8GcXMI/7wQciO51MWYFbADj1ANM794GQTkK3/yrA1FsVIW5EODN... | 2 |
science | grade-4 | animal-adaptations-skins-and-body-coverings | true | true | Green tree pythons live in the forests of Southeast Asia. The green tree python is adapted to be camouflaged among green leaves. Which animal is also adapted to be camouflaged among green leaves? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOy9ebgcRdn+/6nq7umZOWtOchKSkJCNhLAEDEGUJRD2NYAissom8oobIBjB1y8qCCqCCrIJKpsLO8gmBPCHLEJYwg5JICRAyJ6cbbburqrfH9XdZyYLOYEAvjr3dZ3rnDNTXVvX9Dz11P3cjzDGmCiK0FpTRx111FFHHXXUUUcddfzfhJQS13URYRiaunFfRx111FFHHXXUUUcd//chpUTWjfs66qijjjrqqKOOOur4z4DWGvlpd6KOOuqoo4466qijjjr... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9ebwkRZX2/z0RmVV1996BZqfZmk0EFAcQRUXEBTdcEFFwHXUcldGXceadn+8MjsvrqDMqOoyOo4I7boPigqAoKKKIuCCyb01D73epLTMjzu+PiMyqut1ANzTi+Nbj59r3VmVlRkZEFvHEec5zRFW1KAq89wwxxBBDDDHEEEMMMcQQ/zNhjCFJEkTkkW7KEEP8WcIMifMQQwwxxBBDDDHEEEP8z4f3nqIoHulmDDHEny3MkDgPMcQQQwwxxBBDDDH... | 0 |
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