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-3 | match-mixed-numbers-to-models | false | true | Which mixed number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAC/UlEQVR4nO3YsW0bQRRF0U+CgCpwtonMHuwWVIMbMKAGWAMbEOAGVINaUBF0tJkrcDSODCihSICPnFnpnIzY5C9ewItdtdZaAQAAEZuqqj+/ftTf36+9b/nU7r5+ry8/n48+t1F/NhrfqY0A4BbWVSUKBnBqAxv1Z6Px2QCAEWze/pgeHnvdcZH55amqln//OZb+jku//xzT/nDFS65n3m2r6nNsBADXtO59AAAAfCQCGwAAggQ2AAAECWwAAAgS2AAAECSwAQAgSGA... | [
"2 3/4",
"3 2/5",
"2 1/4",
"2 1/5"
] | null | 2 |
math | pre-k | represent-numbers-with-pictures-up-to-3 | true | false | Which shows 3? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAARu0lEQVR4nO3ceXCc913H8fdz7LOndrW6JUu2fCSxczmNTZI2tKTJtDQtnaFMCykDdMqETjswMEDo8QczTKcwwPBHOWbIFKYdKKUtDEzpSSltQ3OSq4nTJHZiy7El61qtpL2f3X2effhjY5MesWPL0s+SP69/FFurffb56vd+9tGTx7KiKIrmW3C0DpUQgggRWSeuBT0OXJGCYQ+s+WYUPVo2/bJELj83Z8F9sd79w6gHV6W7dYrI+qiEcKQGcy14oQ52Oeh+QvG... | 1 |
math | grade-8 | identify-functions-graphs | true | false | Which of these relations is a function? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAATIAAAE3CAYAAAApC812AAAaaElEQVR4nO3db2xT96H/8Y+TOHbiUnJXkrD+gWSiJWqsEW4gBPWuanhU/m2i0kY1TZpA64M+6IP705Wm+4TLFWvvVu1Z6arpSkXbfTJQVVHBHb2afpir9fdLSMvFXR0a0FhMq63grCUhc2LHiX0fnBz7OHGcBOz4fJ3360kT2xyfkfDe93vO8fl6QrFU5v9/OSNJ8igjySMAcLeMMvJIGekfNtSprv/LGUe6iBgAE3isWnmk//fXGdXZY7COdTX6VrNXG+qJGQB... | 3 |
math | grade-2 | compare-sides-and-vertices | true | false | Which shape has fewer sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAGlUlEQVR4nO3dz29UVRiH8e+dmVKhg5UithUqcaHdCgtZYEIMbiQmggtZ0ET+AP8oTHCBC1FjcCMxJrqQhbituKkFOw0K0p8OnZnrYpgGUno77Z17zznveT47AsmcgYfJMO/wniRN07TxWPpjTVpuS61UQLBqiXSwKr1xQBrfJyWNZpreWnJ9LGDwTr0o1e6sdX8wuU+aHunWD4RquS3NrkoLj6Xf16TKUqv7E8QNCw5Wuy1L0kpbqrSf+gnAgl7LG6lUcXsUoFg... | 0 |
math | grade-4 | transportation-schedules | false | true | Look at the following schedule: Ellen is at the theater district at 10:45 A.M. How soon can she get to the industrial district? | "iVBORw0KGgoAAAANSUhEUgAAAYcAAAEkCAYAAADElv0+AAC8CUlEQVR4nOydeVzN2f/4n7e9tJM1W6EiW5aKLCmyREZTUkyMdRhmDAYxzIx1LGPs2yBrJUVkpERkrew72bJkn5IWbff3R7pc91aXYczn9z3Px+P9ePQ+y+v9OqfX+/0653XO+30lFlO2SREIBAKB4C00AH7zdf3ceggEAoHgP8L4LftQ+9xKCAQCgeC/h3AOAoFAIFBAOAeBQCAQKCCcg0AgEAgUEM5BIBAIBAoI5yAQCAQCBYRzEAgEAoECwjn8j3I56Sizh/kwsFU... | [
"2:00 P.M.",
"3:15 P.M.",
"3:30 P.M.",
"1:30 P.M."
] | null | 2 |
math | pre-k | are-there-enough | false | true | Are there enough crayons for every piece of paper? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAABR/UlEQVR4nO39eZhk133f97/PuffW3mtV7z0rgAGIhQRIgiIoAiTFTaSold4UUVJ+iWxLsbzIUuSYlPM4ji058S+WrfhnR3bs5yc+lCxbCkNJjrhLFMFFJEAQIAGSGAAzA2DW3rtrr1v3nvxxq6p7ZnoAENMzXRfzeT0k0FNdXXWrPk9zvjz1Pd9jnHMOERERERHZE3a/L0BERERE5JVEBbaIiIiIyB5SgS0iIiIisodUYIuIiIiI7CEV2CIiIiIie0gFtoiIiIjIHlK... | [
"yes",
"no"
] | null | 0 |
science | grade-5 | evaluate-natural-energy-sources | true | false | Below are three examples of using energy from natural resources. Select the use of energy that did not add to air pollution. Hint: Burning a material such as wood, oil, or coal releases chemicals that add to air pollution. The engine on a garbage truck burned natural gas. Flowing water carried a girl in an inflatable t... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAADOCAYAAAB4pWlzAAEAAElEQVR4nOz96a8sWZbdif32OcfMfLjTm2PKyMihMmsuNqvIAodusptNSP1BAgQJAgR91/+jf0FoCdCHbjVEsYUWCIlszkMVax6ycoyM8c138MHMztlbH84xd/P77nsvMuIVikXaSrzw6+5m5uZmlvBla++1tvzbc7PvLuHYM2HChAkTJkyYMGHCnwsuE/zpCuQimk3Ec8KECRMmTJgwYcKfNy4TiJnZX/SOTJgwYcKECRMmTPhPA2H8RJy8eumX0NTXrPWF8To... | 2 |
math | grade-2 | interpret-bar-graphs-ii | false | true | Maria went grocery shopping and bought some pears, oranges, and peaches. She made a bar graph of the fruit she bought: Which fruit did she buy the most of? | "iVBORw0KGgoAAAANSUhEUgAAAewAAAFfCAYAAACMdP+7AACTXUlEQVR4nOzdeZxcVZ3//9e5W+1dvWXr7CQBEghb2GQNEVBEgRFGB5cvuAHu4IbOODqO/tzGBZxBZoTR6AyMoyggKAqKAWQnG4FACNmT7k7vtVfd7fz+uE0nGVmydlWTz/Px6AddVbfqfuqmqXedc889R2mtNUIIIYRoaEa9CxBCCCHEa5PAFkIIIcYACWwhhBBiDJDAFkIIIcYACWwhhBBiDJDAFkIIIcYACWwhhBBiDJDAFkIIIcYACWwhhBBiDJDAFkIIIcYACWw... | [
" oranges",
" pears",
" peaches"
] | null | 0 |
math | grade-6 | which-figure-is-being-described | true | false | Susan made a 3-dimensional figure out of wood. The figure had a triangular face. Which figure could Susan have made? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJAAAABSCAYAAAC7Zl0HAAAKHElEQVR4nO3de0xUZxrH8e+IorA4DIp4gYiV4IougkEU1tWatRAt12prWyqhIa2ammzI2natGyv6h9mwpsGtl2ab6rioNVZxkBI02tZY1kK7teMNwUsFBUHWLjAww4Dg7B+zzDqCwnjmsm6fTzIhM+ec93mBX945c84756gsFoulsQuumaCtB7otCPFIQ1Uw0gvCfWGsN6gaOy2Wbw2e7pZ4Gs1Rw9CrJuuT8d7wy19Y0yXEo7T1QLURGrrgigmGGLqtCyQ8YjB... | 2 |
math | pre-k | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAVXUlEQVR4nO2df3BUVZbHv/d1p9Ppzm+SNAmBZAgkCEiEIIii7vijXMcZnHW0qHJYdqa01l1315WpHcvBrd2aKodSy7F2h11XLaxxRVF3h5pRRx0VWNCoA0wCRIIEjBAIhPzu/OhOd7r73f3j9Xv9Oh1I3k2/X537+SOd9Lvv3tPdJ7fPPefccwmllF4aB74OAiMxIErB4VgOJwHyHMBiD+BzAeRSmNJDw2aLxeFMn7X5gPN0UPqj3AXUeSWt5nCsxkgMaAsAXeP... | 0 |
science | grade-4 | identify-magnets-that-attract-or-repel | false | true | Two magnets are placed as shown. Will these magnets attract or repel each other? | "iVBORw0KGgoAAAANSUhEUgAAAb8AAABSCAYAAADEvtqaAAASi0lEQVR4nO3deVRUV54H8G9tVFH1WAVFXJC4IgiyFBSJiXYSkxg7dtbunJhJJ53u9KQnk5nJzJk+PZnJOZmxJ5lO0hLbaIxpozGbuEC7BOOSuMVgJFJAQEBFERtBUZaCgoIq3vxhykZkKYp6y33v9/lTBW44N99b777f714Nz/M8iCjq2hux+ug+cGeSsPS+WYiLN0o9JEKIhCgTpKOhxU94RZcq8fp3G5FfcxjjeibhxdY3AABjovXIyOIwZ64ZOp3EgySEiObIxVL... | [
"attract",
"repel"
] | null | 0 |
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 = 13? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAno0lEQVR4nO3dcXDU5b3v8U8IIZugSUidDd2EJd4kiNokZCIFLQmGAYSSwAFPFTEFNVKpQqtzyjnMHHqGc9pb2kpxoLG0Qivaexmrp+QoetGgRxM7Jio7JYn0AIk2rNlAUhpYRbKByN4/LFtDsgkxT/a32bxff/H7Pct+v09mNJ95eH7PL8rv9/sFAAAAwIgxVjcAAAAARBICNgAAAGAQARsAAAAwiIANAAAAGETABgAAAAwiYAMAAAAGEbABAAAAg8IqYPt8Pvl8Pqv... | [
"16",
"100"
] | null | 0 |
math | grade-7 | classify-quadrilaterals | false | true | What name best describes this shape? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADpCAYAAAAeakAkAAAZTUlEQVR4nO3db2xd9X3H8c851762b2xfx9dkCVAaWmIoxE6j/HEHlBFi/rRF3fYAdaNa/0ydqqndg01je4Daau2mqhXTqk7aVG2TVqkgKO1gVbUCcUIp0GLDIHZSKA7lbwYmsR3fa+favvY5Zw+Oz702Sex77XvO71z7/ZKqqr4m91eHBx+f+/l+f5bneZ4AAAAAVIVt+gAAAADAekLABgAAAKqIgA0AAABUEQEbAAAAqCICNgAAAFBFBGwAAACgigjYAAAAQBURsAE... | [
"trapezoid",
"rhombus",
"parallelogram",
"square"
] | null | 2 |
science | grade-2 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Mammals have hair or fur and feed their young milk. A zebra is an example of a mammal. Select the mammal below. | "iVBORw0KGgoAAAANSUhEUgAAAtMAAADMCAYAAACx6y9WAAEAAElEQVR4nOy9eZxkVXn//z7bvVXV1ctsLIMom4PKoiKIiqJEkUXEBURZogEXgoqKUUGNCzG/+I0gGhEjKAg4GBSXKKgBXIIIIouIQFQQEdmGGZilu6vq3nu23x+nqqabGWAYWjHmvl+vfs101V3OPfd01XOe+zmfR8QYo3OOEAI1NTU1NTU1NTU1NY+MlBKtNcJaG+tAuqampqampqampubRIaVE1oF0TU1NTU1NTU1NzaMnhIB8vBtRU1NTU1NTU1NT87+VOpiuqam... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA4IAAADMCAYAAAAmsx3gAAEAAElEQVR4nOz9ebRsV1n1j39Wt/euOs29aSCQEAkhBKVVMBBBmkgfQpvQRxBEkfYFJRJFRF4c8BMQ+YKggCBNgmBABgKiICqGRCCJEAMiAUIjgZD2Nuecqr1X8/z+eFbVOTe5SW7gSpC35hh35KZq195rN1V3zTWfZ04jIpJSopTCAgsssMACCyywwAILLHD9sNbivefcXXDbJVhxN/aIFlhg79id4Svr8L0BDvDwi9v1dbsggQsssMACCyywwAILLHDDUEohpbQ... | 0 |
math | pre-k | tally-marks-up-to-10 | false | true | Count the tally marks. What number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAABBCAYAAACU5+uOAAAJX0lEQVR4nO2dX0xb1x3Hv47pPNvZiGQIVCRAlCkwYEpSiSLVfaijUWkaC29BeWz6sk3Zyyole5qqTJrUPk487GHtHjd4gzWatESh00olmBp3kqlMqshgkg2M3eHG1+AFcvfg2vyxfc859/yufa45n6fIl3x9fe/5nfP7d+/xmKZpQqPRVOVEo09Ao1GZFiqhvLGLtRUD/oAX3edOaj0HiMey8HiAvsHWY6GnAtIGEo9lMTu9guWlbPkzf8CLN39yBj/8cRcCQbGviMe... | [
"8",
"7",
"5",
"9"
] | null | 0 |
math | grade-8 | compare-and-order-integers | false | true | Compare the numbers. Pick the correct sign. 4 ?9 You can use the number line to help. | "iVBORw0KGgoAAAANSUhEUgAAAlwAAAApCAYAAADgbPfrAAAJq0lEQVR4nO3deUgUbxgH8K+lW2qW1loZaQcdYBd2eCRGFpRURqtRCVKBUFJQEIVBEBQiRYckFRVqVhBRWGGYWX/EZoZnZmqCBplZtGkH5rG7bvr7I3Z/HrO6a+nsO30//+3s6PNML8/7Ps5MM05dXV1dUJCbN2/CyckJMTExjMEYjMEYjMEYjMEYDsFZ7gT+tg8fPjAGYzAGYzAGYzAGYzgUmxuujo4OlJaWorCwEBMnTlRMx0lERERkr5s3b6KxsRFBQUFYsmQJXFx... | [
">",
"=",
"<"
] | null | 2 |
science | grade-7 | 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 shapes. | "iVBORw0KGgoAAAANSUhEUgAAAeQAAACXCAYAAADEbygiAAAXZUlEQVR4nO3de3hU9ZkH8O+ZM7ckE3KbEAjhUkkEheKjEBLUbjEYCtVtQkMQ1D5babeuNtliq4ssKH2W0rIutCo80vWJohasPqggK/gUuS0XFxAMyEUQUgKaBIMJSUgyk8zl7B+RaLgkk8yZOb9zzvfzPHkgkzO/8zuX933P/UiKoiggIiIiTVm07gARERGxIIelsLAQkiR1+UlNTcWkSZOwc+fOXrV19OhRSJKE3bt397ofgUAACxYsgMViwbPPPtvr7xOZmQhxHAg... | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is smaller in Pair 1.",
"The magnitude of the magnetic force is smaller in Pair 2."
] | null | 2 |
math | grade-5 | adjust-a-budget | false | true | This table shows Vicky's May budget. What could Vicky do to balance her budget? | "iVBORw0KGgoAAAANSUhEUgAAAnYAAAC9CAYAAAA+5DCnAABZ1UlEQVR4nO3deVxUVf/A8c8MqyJuuJSZgiiLikgqCqmo2JOaK2rmnuWWG1qIu08iLpXmvvwKtTQf1zTTLNfChVTcEXelNE0TRUG2Ybm/PyYmRwaYgUGUvu/Xy1dx77nnnnPm3i9nzjn3olK+qKgghBBCCCFeeOqiLoAQQgghhDAP6dgJIYQQQhQT0rETQgghhCgmpGMnhBBCCFFMSMdOCCGEEKKYkI6dEEIIIUQxIR07IYQQQohiQjp2QgghhBDFhHTshBDZeY2BgX8... | [
"increase income from styling hair for prom to $90, and spend only $30 at brunch",
"increase donation to charity to $85, and spend only $30 at brunch",
"spend only $30 at brunch and save only $45 for a new computer",
"save $10 more for a new computer, and increase income from styling hair for prom to $95"
] | null | 2 |
math | kindergarten | represent-numbers-with-shapes-up-to-3 | true | false | Which group has 3 rectangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAC/UlEQVR4nO3dTWocZxRA0VdqSYOWHXmUkAUkWYJ3YfBWvQzvwHHmcYaWrAYraiqDxhDIID9W6L7inFEVBR+v4PJGBbWs67p+uJ/5ZTdzu595WAdOzvky83wz88N25rvLmeXD53V9e3PsseCfe/nNzPn73eHm+8uZn64OVcOpud3PvLub+fV+5ufdzNnNw+GBaDllzzeHRmdmPu1nzvZ/egCn7Eujv68zZ8cdBf4b4ZIkXJKES5JwSRIuScIlSbgkCZck4ZIkXJK... | 0 |
math | grade-6 | absolute-value-and-integers-word-problems | false | true | Raymond just downloaded the new game Gem Excavator on his phone. In the first level, Raymond gains points for each green gem he finds. However, he loses points for each red gem he finds. The table shows how the gems affect Raymond's points. Which color gem affects Raymond's points less? | "iVBORw0KGgoAAAANSUhEUgAAAOwAAABfCAYAAADrjSvPAAAYbUlEQVR4nO2deXhN1/rHP2c+JxMhhhKRRAU1VlyKGitxDQ1Vl6oiqjdoucrtRK6rfoaW67ZozUMpvTVVqxI11dQBRVMzpUJEoknIcJIzn7N/fxw5cZrgBJUc1ud5zvNk77322u/ae33Xete7dvaStZmULSF4oKwa5cOgjw1lbYbAC5GXtQECgcBzhGAFAi9CCFYg8CKEYAUCL0IIViDwIoRgBQIvQghWIPAihGAFAi9CCFYg8CKEYIHIMCVb36lA7SDvvB1/a6Xho1i... | [
"green",
"red"
] | null | 0 |
math | grade-1 | estimate-to-the-nearest-ten | false | true | How many marbles are there? Estimate. | "iVBORw0KGgoAAAANSUhEUgAAAZ8AAAEVCAYAAAA/yegqAAEAAElEQVR4nOz9eZRdZ3XnD3+e55x7b5XmAUuyVDIgWcbGtuQmBssDMTYhQCzWSgPJi21CJ/ySNoZeP3506MWc9XbSsU2S3xtIdwDT69eAAZtg02/eFQ9Aghk82ySxJI+SHGOpNNlWSaUabt17znn2+8cznOfcKkmlUg2SXXst+9S9Vbr3DM+zh+/+7r2ViAizMiuzMiuzMivTKHqmT2BWZmVWZmVWXn2SzvQJzMrMijT7MbufBEB1L0CvOm+Gz+jYciqe86zMyqxUZUa... | [
"about 40",
"about 80"
] | null | 0 |
math | grade-4 | multiply-fractions-by-whole-numbers-using-models | true | false | Which model represents the product 2×
1
3
? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHoAAACOCAYAAAD+WhzrAAAPIklEQVR4nO2df2wb5RnHv45TZFLI3R8QWm3EF6oNTW167j8toq3iMP4BmiWRJkpFwaaJRKCgRkKspWzYYRCtXbWk4scIqrp0gGgGUt02lGnSZLdx0VZNypHAto61d3b/aElBdgophTm8++P6Xu3ESWznvfec3n2kqErPfu/Jfe993vd53ue9cxFCyIXvgP9eBr6aBDIEDtcBlS7gZjfwoyrgthsA14VvCTl1yWqzHMxkTTVQ+dll/ZelNwB3LtbvAoeFz1eTwOk... | 1 |
math | pre-k | different | true | false | Which is different? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAD9ElEQVR4nO3cO28bRxTF8UPqUfjZxfAHSIx8An9KAwlsWI3d2E4TwZ2BpJErNxKcWvCjYWMtaYWW+IS4O3NTLBwYkQVSE3FnZ875VSR3yb3AnxTIW6hjZlYsgI8zYOyAyiAZ2ewANzeAH68Bd7aBTnFmdjCKPZY04f4tYPPDrL5zdxu4d71+N0g+xg54NwWOFsD7GdAdVfUBxc7TzY26LQBMHNB13xyQPH1tWxrQjTuKNE3BySg4GQUno+BkFJyMgpNRcDIKTkb... | 2 |
math | kindergarten | select-three-dimensional-shapes | true | false | Which shape is a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAASE0lEQVR4nO2dz28cR3bHv9U9P3pm+JsURVEiRYUUKWklixsrkOAs4gAGssEawTp7yA/lYDvIYXPL35HbngLnYgtItNjLAtoEwu7BQRTYkC3JtgT614gULIoSNaSGFH8Np+dXVw49/WOGQ3FIVk9X97zPhc2a6urqmddV79V79ZpxznmmCMxtA5sVoMxBENIRYUCnCpxOAkdjAMsUOL+z4Xe3CKJ5LncBkdlt859jMWAqZUo1QcjGZgVI54DnReDhNqBslM0PSGg... | 1 |
math | grade-7 | identify-reflections-rotations-and-translations | false | true | Look at this shape: Which image shows a reflection? | "iVBORw0KGgoAAAANSUhEUgAABbAAAAC3CAYAAADD5XikAAAU3klEQVR4nO3dW4xV9b0H8N8Mw93xoAKyt1rt3Vbwtr3knIr3UknryWmire1pqkljjmlNadqHXnioPjZNzokPbZo+tLGxNTRHqKWHxks8UIyWyKJiGRK1ShVdExwgU0EGD3M5D8gGHFCYWWuvtfb+fBLi3pud7/pl+JsF3/2f/3RFxFgAAACZGBvz12sAAMhKd9EDAAAAAADAsSiwAQAAAAAoJQU2AAAAAAClpMAGAAAAAKCUFNgAAAAAAJSSAhsAAAAAgFJSYAMAAAA... | [
"A",
"B",
"C"
] | null | 0 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-18 | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAAAyCAYAAACqECmXAAAPLklEQVR4nO2da1Bc53mAn72xwC5CAoEQsYmQBFjW/WI1JJmp47hppY5lR9ZYk6p11pO29kw9aSfJTFo3jeO6aZImTj0dOx2lnQ6TsayRR7IaydbEU3vs8VjeFkuAQUgCZMnWHSQQiF3Yhd09/bHs5ew5Z28sYhfe5484l+/93ocZvR/nnO98x6QoioIgCIIgCAWNebYTEARBEARh+siALgiCIAhzABnQBUEQBGEOIAO6IMxjes9dmO0UNGSTk3jMHOKRXyTLyXoH8xA... | [
"10 − 5 = 5",
"11 − 5 = 6",
"10 − 6 = 4",
"10 − 4 = 6"
] | null | 0 |
science | grade-3 | identify-ecosystems | true | false | Select the tropical rain forest ecosystem. Hint: Tropical rain forests are warm and wet year-round. This ecosystem has:
a small amount of rain
dry, thin soil
many different types of organisms This ecosystem has:
year-round rain and warm temperatures
soil that is poor in nutrients
many different types of organisms | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOz9ebCtaV3fDX+u4R7XuOczjz13Q9N0M4OgQXgSrTevcwxCUWhp4pvEKJKAWuHVx1IiMZVgiPpGwSgkwXKAPJGoUVFaxVZmmm6ac7rPfPY+e1rzPV/X9f5xr73O0BONEYisT9WuvdY932uvVfu7fsP3J/5q4NytDWgp5syZM2fOnDlz5sz5G2Fk4JEJiGHl3Fx4zpkzZ86cOXPmzPmbZmRAOOfcl/tC5syZM2fOnDlz5nx1oK998txv//UbVsunfu7... | 1 |
math | algebra-1 | domain-and-range-of-absolute-value-functions-graphs | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABkHElEQVR4nO3df3RU933n/9doZvQbkJBAwsISxhgcMMLGxg4YYru4ttdOnOA0i9PT/Ohxm6ZNmmz2nO7p9rTZtsfHm++2ab/NJtlsttk4Pqffk403jluDZQfH2BCIwcggQGAsyyAQoB+jn/Pz3pm59/uHPDIyv2bQ/Wg00vPxj61h7ktv3Ttz73s+85nP+FzXdQUAAADAE0X5LgAAAACYSWiwAQAAAA/RYAMAAAAeosEGMEFDQ4P27t07/vPJkye1YMECdXV15bEqAAA... | [
"$\\{y \\mid y>0\\}$",
"$\\{y \\mid y \\geq 0\\}$",
"all real numbers",
"$\\{y \\mid y \\geq 6\\}$"
] | null | 1 |
math | pre-k | count-sides-and-corners | true | false | Which shape has 3 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACcUlEQVR4nO3UuW5UQRBA0ZrxErBmID6AJSCG/08dE7DlmNQGSxiPHsETEjmeO8KcE3WrpVIFV71ZlmU5v575fDVzuZu5WQb+2vFm5uHRzPN7M09PZzbnP5bl7OLQa3GXvX00c/zpar08O515eX+tEP7W5W7mw/eZL9czH69mthc364PIuE0Pj9amZma+7Wa2uz8e4Db9burnMrM97Cr8L4RGQmgkhEZCaCSERkJoJIRGQmgkhEZCaCSERkJoJIRGQmgkhEZCaCS... | 1 |
math | grade-4 | sides-and-angles-of-quadrilaterals | true | false | Which quadrilateral appears to have 2 pairs of parallel sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAADgCAYAAACaXl3yAAAHEklEQVR4nO3cvW9TZxiG8fv4i5A6wSlxUCieUFupIwuVWMvQoUtZqlYqK+rAUgk1f0EqJBaGirEMVbvQpUMHZhakMiIBZXIgBCeNSYyT+Ot0cKBpCok/zjnv+/RcvwnI8uj4kpX4VgjCMAyftaQ/m9JmV+qEAryTC6SprPT+pHSiIAXPdsLw7obrs4DBnZ2Wco+a/b/MF6QP3+lXDfhmsys9eCktt6SHTSmz0el/gWjhs6lsv1FJanSlTHfPFwCfvWq0HUoZt6c... | 1 |
math | pre-k | ordinal-numbers-up-to-fifth | false | true | The first picture is a bear. Which picture is second? first | "iVBORw0KGgoAAAANSUhEUgAAAaUAAABdCAYAAAAFZHluAAAiz0lEQVR4nO2de1xU1d7/PxuGZIaBGYOQ4iLmGGhyszQVLHullpfSOnW8nfLW+Z1ELTseUauT8DyagFZWeHl+P689j2na1cRr52QPYmomCCp4HE4DaI6KxsgwgzLM/v2xZzYzMJe9N3uAmVnvv2Rm7bUWS777s9b6ftd3UTRN0yAQCAQCoRsQ0NUdIBAIBALBChElAoFAIHQbPCZK9c00+hy6jbR/NqC+mewQEggEAsE9gkTpm6vNyKlscik2R+tM0BjMKNW1YNYvBsE... | [
"train",
"plane",
"bear"
] | null | 0 |
science | grade-4 | identify-vertebrates-and-invertebrates | true | false | Select the invertebrate. Hint: Insects, spiders, and worms are invertebrates. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAD/sklEQVR4nOz9WYxkWZrfif3OOXexffPdPcLDY98yI9fKrMqlq6t6I7vZJIfkkJwmRiMIgh70oEc9CBAwgKAX6W0EDSBwIEhDUuKQQ7bUexe7mrVlVeWekbFl7B4Rvi9mbm7b3c45ejjXzD2yqppdVXwYATQg4B7mtly79r/f+X//7/99R3zYtfZiGaqK/3T7T7f/Sd56Gu4OYDOBpgfvNNz98j8B9z/d/qd+qyq4WHa/9/XR/fI/Afc/3f7/4TbGaWqP7vN+2gP... | 2 |
math | kindergarten | fewer-more-and-same | false | true | Are there fewer dogs than bones? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACgCAYAAAA2PRuAAAAiEUlEQVR4nO3deXCU94Hm8e/7dqvVrfu+hYTQAQgEmNOAsbl84CuHncmxyUyyR2WSqp2p2tmt3Unt1m7Vzuxs1VTmTubaVMbj9cxO7MRJDD4wxsYYzH0JXYAQultnd6tbffe7fwgrJr4QfmVj8XyqVAjp1+/7Pu/bVD398nvf17Asy0JERERERGxhftobICIiIiKykKhgi4iIiIjYSAVbRERERMRGKtgiIiIiIjZSwRYRERERsZEKtoiIiIiIjVSwRURERERspIItIiI... | [
"no",
"yes"
] | null | 1 |
math | precalculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed line is a vertical asymptote. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AABvZ0lEQVR4nO3de3RT14Ev/q/eki3bMjbY5mE7BDAxsXkFEhMcSKEJDW0m0Cakczttc9uuTqfv1ZnVTldv751emumdTtrbTtpm5jedJJ30TkraNG0Bk5BCeJgAwYDB5hFjsLExfsiWZb2Pjs75/WEkbDAg23tbfnw/a2WB5aOvd4R09NX2PucYdF3XQUREREREQhhTPQAiIiIiosmEBZuIiIiISCAWbCIiIiIigViwiaaQPXv2oLi4GBs3bkz1UIiIiCYtAw9yJJo61q9... | [
"$\\lim _{x \\rightarrow-4^{-}} f(x)=\\infty$",
"$\\lim _{x \\rightarrow-4^{-}} f(x)=-\\infty$"
] | null | 1 |
math | kindergarten | fewer-and-more-compare-in-a-mixed-group | false | true | Are there more squares or triangles? | "iVBORw0KGgoAAAANSUhEUgAAAhwAAABsCAYAAAAhQ2uUAAAJCklEQVR4nO3dz0tVWxjG8dc67SLRbqin48+LEBIFTaNZsyZNa1B/QlP/gRpGlIOmSU6CODS0aHaDoIhIEE+UEEkawtGgAh3k4NyBGfTDc/Z277XXu971/YzFvZ6eZbx3d65vV6vVagkAAIBD+3wfAAAA2MfAAQAAnGPg+E2j+Vxefnri+xiInNV7SC5oQF9+dPEZjl9devCviIjcufBMqt2jnk+DWFm9h+SCBvTlB284dlFfuO37CIDZe0guaEBf5WLg2MXTpYfSaD7... | [
" triangles",
" squares"
] | null | 0 |
science | grade-4 | identify-minerals-using-properties | true | false | Select the one substance that is not a mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEYCAYAAADPtGNgAACN1ElEQVR4nOz92a/dWZbfiX328BvPfEdeMsggY8rIyMzIylJWl0qldlutoduwbENoNQwIhg1B8F/QaBvwi9/0qhe92X6wuxsN2P3QkF2l1uCWXCNUqqrMysyIzIyMiTPvfObftAc/7N8595JJZgwMBhlRdwGX5/JM9wx77bX2Wt/vd4l/P/H+Gx3oKS7swi7sc9jMws8XcL+GkYa/PgzXywvHurALezrrKfhGJ/w+t2fXywvHurALe3pb+VHjz67Tj7tjXZsv4/V... | 1 |
math | kindergarten | different | true | false | Which is different? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAE0klEQVR4nO3cPUwbZxzH8e/d2W5NnVIBTqloqFSVgtQpLBnCGNiadqVjmDszVh3bNTNdWZN2S9eyZKArNEhRXaFQ8SLxEltxfL4OhwOhBGxjfPfc//dZkojoeOyvn3ts34sXRVG0VYeNKhyG0IiQDMl5cCOAiQH4uADe1qsoenqQ9LCkH+58CLln1fgfnxRg8oP41SDZcRjC+kt4UYe/quAfNOIfKHY23QjitgBHIfjhqR9INrXavo7AT3Yo0m8KboyCG6Pgxii... | 0 |
math | calculus | domain-and-range | false | true | What is the domain of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABlk0lEQVR4nO39fXzU9Z3v/z8nM5PrSxJIQiDhGg0SFEUFoWKx6qq1hW4PtqcX7tfd1p5ebc/v1nPrbb/d7m6PX7ff0233bNd2u+72VD2n++3WVu0KBoqCQoOCRAgkIIQAuSDkYnI515+5+Pz+wKREQRL9vBkGHvfbzZu3DPN55jWfz8xnnvPJZ2Zctm3bAgAAAOCIjFQPAAAAAFxJKNgAAACAgyjYAAAAgIMo2AAmqKqq0u7du8d/PnnypKZPn6729vYUTgUAQPqgYAO... | [
"$\\{x \\mid x \\leq 0\\}$",
"$\\{x \\mid x \\leq 1\\}$",
"$\\{x \\mid x \\geq 0\\}$",
"$\\{x \\mid x \\geq 1\\}$"
] | null | 0 |
math | grade-3 | correct-amount-of-change | false | true | You pay $4.03 to buy an airplane poster costing $3.99. You receive the following change:Is this the correct amount of change? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAA/CAYAAADaDb8WAAA6dUlEQVR4nO3dd5Sd13nf++9+23lPL9M7BoMZYNB7IQiQFCmKqpRlxbJlJfZ1iWLH14l945t6U5zcrKzcJDdOnMSxLVuWixRZogpFUSxgLyhE73WAwQymz5kzp7193z8OxCQ3lAySQ4r07M9fJLEWzvvs36w1D/fZ77OFlFKiKIqiKIqiKMqS0H7UD6AoiqIoiqIof5moBltRFEVRFEVRlpBqsBVFURRFURRlCakGW1EURVEURVGWkPFufIjv1KlWq7iuQ71aJfBcavN... | [
"no",
"yes"
] | null | 1 |
math | calculus | domain-and-range | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABkVklEQVR4nO39e3xV9YHv/7/3LfcrCSQQSRAQFEi4KCgIioNVq9YWOh1tf73Yr3M6ztR2pr/H6fn1N2fa0+nX4+nvzLRzxlpPj2c6tZ3vzOnUqbUjGCgWBBoqlwiBBMUYISRA7rd9X3vvtX5/xESioImuD5sNr+fj4XSyyXrnk7X2Xvu9P/nstT2O4zgCAAAA4ApvugcAAAAAXE4o2AAAAICLKNgAAACAiyjYACaoqqrS3r17x78+ceKEpk+frvb29jSOCgCAzEHBBjB... | [
"$\\{y \\mid y \\geq 0\\}$",
"$\\{y \\mid y \\leq 0\\}$",
"$\\{y \\mid y>0\\}$",
"$\\{y \\mid y<0\\}$"
] | null | 1 |
math | grade-8 | nets-of-three-dimensional-figures | true | true | Which net will make this figure? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAAR0UlEQVR4nO2de1TUdZ/HX6CL+AjMqKe1aVOGSp89YnKpp8UkRx/NStiAVoOTGpB3d9XfrJe0fZRBK8xsZ8xVK1Mw9UkTY9qVzNthMBXzCRkvuOfgSYaHjtju0flxaUGONvvHOL8cZGAG5vLDfJ/DHwy/y4d5/76fy/vz/X5/QTabzcYDyAbBgTbgAZzxgBCZ4TdHiCiKZGdnExUVhdFoDLQ598L2G4JOp7MplUobIP2MHTvWVlFREWjTJPwmCCkpKbGp1WqJhFFjkmy... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUkAAACzCAYAAAAE9O5jAAAYZ0lEQVR4nO3dfVBTZ74H8G/Aoq5g0G5X6a0NsaO7Ayov9rpYKciithVawOri1VqgVXyZaw2r0tp7K6HOVhftgjrVtloFtVupdAm7YmvVMVrfplMwreLM4q2EoSN6dy1BaH250tw/DucUBI4JJDkn8fv5hxkmgefo5MvznOf5/Y4GgB2kGna7HVduA//zI9DSBtzh/w6RR/XTAEH+wKhfAMMCAA0Ykqpy5ZYdX15XehREBAC/HQz0U3oQ1NnFH4WvIQHArwcJf9G... | 1 |
math | grade-2 | read-a-thermometer | false | true | What is the temperature? | "iVBORw0KGgoAAAANSUhEUgAAALkAAAEOCAYAAADVFbYlAAAWxElEQVR4nO3de5QjVZ0H8G+aAQWZ7hr0LDqvrlZEmUenwhGWYRxSPYoIqKmgCyiPJJ511xd0AkfBhTUJB5ZlEZOowKpHuwLqrMjSCeewDKikAsjo4u7cpmd4iGNXzwyeVVymenB1dx6p/SNTNd0z6Z50Unn0vb/POX26O52p3Onzze1bt+6vrs+2bRuEcGxRO1+sUCigXC6DMQbDMI76uSRJUBQFwWAQmqZBUZR2No9wytfqntw0TaTTaRQKBViWBQBYf14QqwcH8ab... | [
"15°F",
"20°F",
"5°F",
"0°F"
] | null | 1 |
math | grade-3 | identify-equivalent-fractions-on-number-lines | false | true | Is 2/3 equivalent to 1/3 ? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABwCAYAAAAkAwevAAAR10lEQVR4nO3dfWyT537G8ct5p5DEwXFJnNKE0hLeIhhlIRbQ9KwV68vgSFBGGChlFYcWFVWVYJtQ1f1xKlWw6qhoRFpAGqINIJV10oIUtJ0VThwpcnASTbTpgJ35FBCYkMBCDiQOPDbeH6lzmkMKoRjftvP9SBHK8xjp+oMbX/n5fu7YIpFIRCmioaFBgUBA7733niZNmmQ6DmDUlStX9Pnnn6uiokKvvfaa6TiAcU1NTerq6tKmTZs0bdo003EAowYHB7V371499dR... | [
"yes",
"no"
] | null | 1 |
math | grade-4 | measure-angles-with-a-protractor | false | true | Is this angle acute, right, or obtuse? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEVCAYAAADaTZLyAADfm0lEQVR4nOz9dXTca7bYeX+rVCoxMzNLtizZkm0ZZWYfH+hDjfcmuUmG3pmVWW/WO5NkZSADmckEJrdv3+4+TQd9zCSDLFtgWWjJYmbGUqmY3j9K+h3LKNkynuez1lndKvo9Jauqdu3ffvaW2Ww2G4IgCIIgCIIgrAr5616AIAiCIAiCILxLRIAtCIIgCIIgCKtIBNiCIAiCIAiCsIpEgC0IgiAIgiAIq0gE2IIgCIIgCIKwikSALQiCIAiCIAirSATYgiAIgiAIgrC... | [
"right",
"acute",
"obtuse"
] | null | 1 |
math | grade-3 | select-fractions-equivalent-to-whole-numbers-using-models | false | true | Count the equal parts. What fraction does this picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAu7ElEQVR4nO3de3iU9Zn4//ecJ3NIJmZMMgklIcFwChKZFSqhNcUU/W6hRYqteolmty3dVnRpaz21vcTv17VqdctvPbW0/W6AbtXFRbxgu0IjYhfogg3fRIIcJCGJJJPExJlhzuffH08yIUxARBMU7td1eTE8z+f5PJ/n+evm9n7ujyqVSqUQQgghhBBCfCK0F3oBZ9Pf+iberibwdxPreweTzkCwY8+IMRH0vJWzAoBZ3nVY8aXP5Uz6At5IEFPhTGKmAnKKq7CXXzu... | [
"1/4",
"4/4",
"1/2",
"4/1"
] | null | 1 |
math | grade-8 | parts-of-a-circle | false | true | What is \line{AB}? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAoDklEQVR4nO3dZ3hUZcLG8XuSSSUJJEAoIQVCEUIHKQGlBkFBWUBXAeu66qorKCiiYF1l7etaXlFQLCBgAWkiLaEjNSQU6aGEEkJCCYQkM5n3Q+CQ2VAlcGYm/991cXHOc87MuRPmwz0Pz5yxOBwOhwAAAAB4BKvZAa4Hi8VyTZ6X90YAAABwNWWi4FPEAQAAUFZ4mR0AAAAAQOnxslgsSkpKKnEgPj5e1apVKzGelpYmi8Wizz77TGPGjJHFYpHNZrvmQfv166euXbu... | [
"diameter",
"center",
"radius"
] | null | 2 |
math | kindergarten | represent-numbers-with-shapes-up-to-5 | true | false | Which group has 3 squares? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAEpElEQVR4nO3cvW4cZRSA4bP+K4KTCoG4AOAS0qVPwc1CkT5l7iCEHiOobMdSjFdDMYpIlQKWd5LleZrZ0Wil8zWvTvXtlmVZru5nfrmbudnPPCwDcBBnu5nHpzPfPpr5+mJmd/VuWV5dbz0WcOyePpk5e3O3vnxzMfP9F2uNAA7hZj/z+u3Mr/czP9/NnFw/rB/EBji0x6drW2ZmbvczJ/sPPgAc2vu2/LnMnGw7CvB/IjhARnCAjOAAGcEBMoIDZAQHyAgOkBE... | 1 |
math | grade-2 | find-the-next-shape-in-a-repeating-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAVEklEQVR4nO3dT4xd130f8N/7M2+GM0OOSEjUkJTDVKRkKKUk24gVoLaiLgrTdtHACZAYWtRBLdiLMnAWshIElhLUNhCvUhRRFxXQguqiC8NFd7JbBAhsKXZrFfUfyU0siYBsiTT/yENSwyFn3t8sxkNRImfImXnv3vvO+XwALTyce+/5njN++M69572pDQaDQQAAAEmolz0AAABgeBR8AABIiIIPAAAJUfABACAhCj4AACREwQcAgIQo+AAAkBAFHwAAEqLgAwBAQhR... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAXi0lEQVR4nO3dXYxc530f4P987nK53CUJiVySsqiKlAwllGULsQLUlpWLwnIcJLUDJIYKxEEt2BdVYF/YahpYilHbRXzloq1yUQENpF60qOEguZKdIkghWbZSKahkS0qiDwaSRa74Ie+SIpfkfJ5erJaixOXH7s7MOXPe5wF8oeXOOe/vfde785vzzplKlmVZAAAApVCpVPIeQiFV8x4AAADAsCk+AABA6Sk+AABA6Sk+AABA6Sk+AABA6Sk+AABA6Sk+AABA6Sk... | 1 |
math | grade-1 | time-and-clocks-word-problems | true | false |
Matt went to a symphony performance. The music started at 8:00 and the performance ended 3 hours later. What time was it when the performance ended? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAFCUlEQVR4nO3dz0vUeRzH8ed3JkfHH7syjprRoal0sU5ZMngxOhXVMkRdIoigjCYz6dAxOhR06VSHMvoHioJyrYsRjEaHpfTaOBIRmC5WhmOho/N972F2vuysW+4onxU+vh8X9f15fT/zPbz4zg/RryMiMpGB0W+QzsKCoFTR1jlQ5YfGcqgPgDMxJ/L79GqflrJJ9CdYl/qW+6EhAL9U5FqnVLHSWUh+hfEMjHwD3/RCbkFLpVaiyp/rEMBMFnzZvy0otRL5Ds0... | 3 |
math | grade-2 | shapes-of-everyday-objects | true | false | Which is shaped like a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIUAAACFCAYAAAB12js8AAAaqklEQVR4nO2deXhc1X33P3ebfSSNNBotlm3Z8irJxjY7vCxJKYsbktKGAHmTt0m3hEIeni5Z2rSh0L6U8LZJ+74NSZs0JGUvhQZwloIhGJvNxMbYknfLuy2PRtvsy733vH9caWRZo80ajUbyfJ7Hj2eu7px7Zs73nnO+v7NcSQghOtNwMA4RA3RBiQsMVQKvAktdUGMDqTMlxNbwTGerRLFweRmoB+LWmzobLHdbiilxYRExYF8MTqdhfxzksG79oSSICxevYpU... | 0 |
math | kindergarten | compare-two-groups-of-coins-pennies-through-dimes | true | false |
Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAlYAAACYCAYAAAAm2KfyAABXjElEQVR4nO3dd5xd9X3n/9cpt7e5M3fuNE3vGvWCuugyoprqFpN1w4nXP5wY79prJ07s7MZZx2t7sbN2cIuJwQYMBIMxIAmQEKhr1DVFmt7bnbm9nXN+f1zusZQ4CWWEKN/n46HHSGg0c8+5X3Te+n4/389XMgzDGEvDmThENMgaCIIgCIIgCK+BKoFHgUYnlFhBGksZxv7wxX5ZgiAIgiAI72xrvKB2x3O/KLNCsyuXugRBEARBEIT/XESDzhiMpqErDnI4m/s... | 1 |
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 shapes. | "iVBORw0KGgoAAAANSUhEUgAAAiAAAACXCAYAAAAs2eD4AAAYDElEQVR4nO3deXSU9b0G8GfWzGQhmRCWBIQAIUQDBZQ1QISaQgOJIIallVPxWC5axPZSFE/BXnrUe4XSAxxUECkIRbkW66VsLpXbKAHZayBhDTuZBIFJQpaZJLPcP7iJxIQwk3nn/b3vzPM5J+cwk3d+831n8j58313j8Xg8ICIiIpKRVnQBREREFHrYgKjYt99+C41G0+THaDQiJSUFr7zyCqqqqnwaLycnBxkZGW2q5cSJE0hJSUFMTEybXk9E8lJKfpw8eRKPP/4... | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is smaller in Pair 2.",
"The magnitude of the magnetic force is smaller in Pair 1."
] | null | 0 |
math | kindergarten | fewer-and-more-compare-in-a-mixed-group | false | true | Are there more squares or circles? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAA2CAYAAAA273fRAAAGYklEQVR4nO3dv28TZxwG8Me5Hz7bsc/BkBCIHalSHJBIgYGBrKRTuiE1FVO6sjJ27r/AnLGpxIQylWzICwNQDyGOQIodYQJ17Yvju/O9/tHBXKABik3OvvfNfT8LUiSc581FT+7eu3vfULfb7YIQQgYw5ncAQoh4qDgIIQOT/Q5AyCgUCw4AoGl2AADhaO9vZiar+pZJZFQc5NQxKm3sPLOxu93EzjO7r/8zd03D7HwYc9c06ClpyAnFF6LJUXJa5HMmHj+sw6i0j76... | [
" circles",
" squares"
] | null | 1 |
math | calculus | identify-graphs-of-continuous-functions | false | true | Is the function f(x) continuous? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AACCRElEQVR4nO3deVwU9/0/8NeyN5eLgIgHeB8QUFFUokQTTWI0sdHEaEwUNOa+m7Q5mqZtavLtt23aX9u0Tdukak7jlcMDr4AXxqioKIgKyCk3LLAse+/8/jDwFY+4yAyzwOv5eOTxyO7OvvbtsjP7ntnPfEYhCIIAIiIiIiIShY/cBRARERERdSdssImIiIiIRMQGm4iIiIhIRGywiXqQ1NRUDBo0CHPmzJG7FCIiom5LwZMciXqOmTNnYsmSJUhKSpK7FCIiom5LJXc... | [
"no",
"yes"
] | null | 1 |
math | grade-7 | make-predictions-with-scatter-plots | false | true | Based on the scatter plot below, which is a better prediction for x when y = 49? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAle0lEQVR4nO3dfXTU5Z338U8SgpOEQIhugElEPJko1QOZIW1B65KEU6hIchC21idaHgJH6vLYbrec1t3G3bNkbV2EQKWKldA929uHlmjxlDacluB97ibaDhlEW2BGGzCTAIsQJOYBA3P/4WbWkMzIw5X5zcP79Re/3zWZ7/eKQj5cXHP9kgKBQEAAAAAAjEi2ugEAAAAgnhCwAQAAAIMI2AAAAIBBBGwAAADAIAI2AAAAYBABGwAAADCIgA0AAAAYFFUBu7u7W93d3Va... | [
"72",
"13"
] | null | 0 |
science | grade-2 | compare-properties-of-materials | true | false | Which is stickier? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AABDtElEQVR4nO29d5gdd33v/5p++p7tVWUlrYrVLXdbrriCAVOuCQECSSi5IQkhP2q4cOEH3OBAHJ4kEJMQbMLFhgtcSIINxsY2riqWJUuyelmttp4tp58z/f4xM2ePVrKsXbUVnPfzzDOzc+bMmZl9z+fz/dSvsCnjukuiEJeooYZzipwNewowaEC9DNckvf1ijZA1nC/EJVgS9bbz9uR+sUbIGs4nAv6Z7uQ+8fxcSg01vDpqpKxh1qFGyhpmHWqkrGHWoUbKGmY... | 0 |
math | grade-2 | which-table-is-correct | true | true | Anna saw the following animals along the coastline:She decided to count how many of each creature there were, so she made a table of the animals. Which is her table? | "iVBORw0KGgoAAAANSUhEUgAAAS0AAADJCAYAAAB2QWTOAAAtaklEQVR4nO3deZQed33n+3ft9ezP03uru6XWYlmSbQnZMhgbYwY8JhnC6hscYshAQghccvH1ScgQGAafZO45l9wAZ84kkBuWBGbCOBkyA5PhkgAZs3iTdwlJ1mqpF0m997PXXnX/eFptC0sWWruf1vd1jk+7u+upp6pO6/P86le/3/enPPDAAwlCCNEmdIDPfOYzS30cQgjxC1GX+gCEEOJ8SGgJIdqKhJYQoq1IaAkh2oqElhCirUhoCSHaioSWEKKtSGgJIdqKhJY... | null | [
"iVBORw0KGgoAAAANSUhEUgAAApcAAADJCAYAAAB2dxk/AABrJklEQVR4nO3dd5xddZ3/8dc99da5d8qdkplJIwlJKGMg1FCUposiKirrDxsWFhcXZBXbqrDusq6ujV3bWrDsiqGoYFkEgaBCIJRAQnpPZiaZPrefe/rvjzsMhBaBSWaSfJ6PRx6TuffcM9/zneTe9/nWyHXXXRcihBAHieuuu26yiyCEEOIlaADXXnvtZJdDCCH+KhIuhRBialMmuwBCCCGEEOLQIeFSCCGEEEJMGAmXQgghhBBiwki4FEIIIYQQE0bCpRBCCCG... | 0 |
science | grade-7 | identify-rocks-and-minerals | false | true | Gypsum has the following properties:
naturally occurring
pure substance
not made by living things
non-metallic luster
solid
fixed crystal structure Is gypsum a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAB3iklEQVR4nO39SZckSXYljF0ZdLLZfIg5cq7KKhSAbhwMDfADQXZzQS56xeW35b/jgv+gT/M0SDa+7iaaqEJV5RyZMXn47DbrJCJcPBFRUXVz98iKAiozwt85HuFug5qaqjx50333MWOMwa3cyq1sFf6HPoFbuZUfstwqyK3cyjVyqyC3civXyK2C3MqtXCO3CnIrt3KN3CrIrdzKNXKrILdyK9fIrYLcyq1cI7cKciu3co3cKsit3Mo1cqsgt3Ir18itgtzKrVwjtwp... | [
"rock",
"mineral"
] | null | 1 |
math | pre-k | count-sides-and-corners | true | false | Which shape has 3 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAHJUlEQVR4nO2dzW5TRxiGPychUim0YtOqF9B20QvgMrjQtkJt1QVsCBuQwgYWQaLJIrtSpCbNsWMfE2amizFRCPHvOTPzvd+8zypO/DN2njjHM++ZdxBCCG/fixyNRYZO5EMQQjqzMxC5uy3y/W2Rb3dFBm+nIew3pYdFLHP/K5Gdw3G88N2uyI9fRgsJ6crQibw5F/n7vchfY5Gt5kP8ASUjfXJ3OzolIjJyIlvuyg8I6ZOPTl0Eka2yQyG1QNFIFigayQJFI1m... | 0 |
math | grade-6 | model-and-solve-equations-using-algebra-tiles | true | false | Which equation does this set of algebra tiles represent? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAFcUlEQVR4nO3dX0iTaxwH8O/rNFzbPODWziZRWB29iaIQ9MqLFKHoEGVQQlRXVnhVkDcVGCzwwugiWIIXTm/qpqJG1IXE6MLotDLpj38S+yOiJ1da6dT98Xsu1oY7OZttjy35feBB3+d93uf5Tb4876sgr0aSowFgwA98DQMhQogly9YAkw74azXw5ypAG50l//nyq8sSK0lpHpD92h85sK8Cig2R1AmxVF/DQN8UMBIA+v1A1pdQ5ISESqTCpItkCAAmw0BWeN4... | 2 |
math | grade-3 | purchases-do-you-have-enough-money-up-to-10-dollars | false | true | A bottle of maple syrup costs $4.39. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAIECAYAAABsclqBAAEAAElEQVR4nOy9e5wkVX33/16u1bjAKUDoAoU9aJQaNNKtRKZVyLYvL2l4Hs2Mis5gFBovyWw0OpOIv12SGGfV6ExMImOicXjUsOMFZ1QurXjp1Rh7NC/STfLolvezGrXa6zkYsQsE6vfHqarunp3dnRWUDU99Xq+Z7q46dc73XOt7vud72RTHcUyOHDly5MiRI0eOHDkeFDjigSYgR44cOXLkyJEjR44c9x9yBj9Hjhw5cuTIkSNHjgcRcgY/R44cOXLkyJEjR44HEXI... | [
"no",
"yes"
] | null | 0 |
math | algebra-1 | identify-direct-variation-and-inverse-variation | true | false | Which table shows inverse variation? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdwAAAA/CAYAAABKBHltAAAM5klEQVR4nO3df1BW9YLH8TeJhqAoEKK5rmWiJGoq3pEwFtEgau1eHUeEGHXDHykWV9BpUdciCSVLsVEW0nLvpQwysltZto7elTScih+ZXfRJgym0cEU0EyR+PfuHVyauabgdzuGBz2vm+eP5nuP5fpzv+Hyec55zRifPhFQ7IiIi0q6cAfanrbQ6R5tNSVrLuY2Ok7er80rUejkSrZdj0Xo5llusDiAiItIVqHBFRERMoMIVERExgQpXRETEBCpcERERE6hwRUR... | 1 |
science | grade-3 | use-climate-data-to-make-predictions | false | true | Which three months have the same average precipitation? Use the graph to answer the question below. | "iVBORw0KGgoAAAANSUhEUgAAAcIAAAFJCAYAAAAIby1eAABo9klEQVR4nO3dd3hU55n4/e/MqPdeQA2QhIQKIEAS3TTTjKkuuIHtJbbjbLKJvdlN3yS/OJtN4iR27NhO3J3EBhtsijHYgOjIIFQQSIii3nufPu8fvHOCYGhmZoTR/bkuX0ZnZs79zMyZc5+nHpXFYrEghBBCDFHqwS6AEEIIMZhcBrsAQ0VZWRm///3vAYiOjubHP/7xIJdoaHrrrbc4fPgws2fP5r777rvu1x06dIi3336bqKgofvKTn9i9XI7evy0/+MEPaGtr46m... | [
"March April and May",
"September October and November",
"December January and February"
] | null | 1 |
math | grade-8 | 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? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAxD0lEQVR4nO2dd3hb1dnAf+dKsi3vOE4cZw+HhE1LSikzhthOHMshQEPLbkuhFEqhUCgtlADdlD1KGaVlfcWMEMtJPAJmhrYktAQIzrbjJB5xPOIh29K95/tDHpKnZF8Nm/t7Hp7gqzNe6d73nvUOMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAYGBFqAcYz61k/ScV8G3A+MAc4ANgl8k+5ZO31tR0... | [
"1\n7\n of a full turn",
"1\n2\n of a full turn",
"1\n4\n of a full turn",
"1\n5\n of a full turn"
] | null | 2 |
math | grade-8 | apply-addition-subtraction-multiplication-and-division-rules | false | true | The number line shows an unknown number, r. Is – 2r positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGAUlEQVR4nO3dT2iTdxzH8c+TNk9j/2gzieCGVcYcLDiKWGNbnPO0i4hEROZFBDdBJ7sNTzutCGXbZVNQ1l0EizBI2RSvLnpYk1olmtkNGS3tzSJWbW3zJM2zg02w2H9q+vyS+n6d8vx4Dh94cvjwy/f5xXJd1xUAVJDu7m5ZlqVDhw6ZjgKP8MwBVJJq0wEA4FWNjIyYjgCP8cwBVJIlF+xsNqv+/n4lEgmtW7eOXQTgNbnjKeVGflb+aUru+B35GnfJWrVR/s0/SNW... | [
"negative",
"positive"
] | null | 1 |
math | grade-2 | find-the-next-shape-in-a-repeating-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAbQElEQVR4nO3dW3Ac133n8V/3XDAAhwAEXgHqGlCmpYhU2RTFeCOJVioh46rI9j7EseSUqjZb1rqc5ElW5cWO5ctDypYetrK1sby1lYp3LWWdqtQ6UsUi5YpCWY4tUXQqoiiKFEExJAGCBAGCxH2mpzsPo+EFxAADTF9On/l+qvQiorvP//R/Br9pnOl2giAIBAAAAMAKbtIDAAAAABAeAj4AAABgEQI+AAAAYBECPgAAAGARAj4AAABgEQI+AAAAYBECPgAAAGARAj4... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAg50lEQVR4nO3da2wc533v8d/MXrhcrUiaupK0fKmkKHYtGY6sKDmNLbtorRiokvRFU1sODLRFfIz05FVi5E1yIid5ceA4Lw5SoLGKojg5tZSTAsVJJRxLdhBHrlNHkhW3lmVZF9qqJV4kihQlXpbcnZ05L1arC7Ukd7lz3+8HyIuIu/M8/2ce7+5v5pkZw3EcRwAAAABiwTCMoLsQSmbQHQAAAAAArxF8AAAAAMQewQcAAABA7BF8AAAAAMQewQcAAABA7BF8AAA... | 1 |
math | grade-1 | count-sides-and-corners | true | false | Which shape has 3 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACdklEQVR4nO3UO4pUURRA0VPVn8BvphgZqUNwSIIDEpySM/CTGNmm3dpg28UzeAjmdu3Cdq3oXi4cTrC5m2VZlrOrmU+XMxe7metl4K8db2buH808uzPz+HRmc/ZjWd6dH3otbrOXD2aOP16ulyenMy/urhXC37rYzbz/PvPlaubD5cz2/Hp9EBk36f7R2tTMzLfdzHb3xwPcpN9N/Vxmtoddhf+F0EgIjYTQSAiNhNBICI2E0EgIjYTQSAiNhNBICI2E0EgIjYT... | 1 |
math | pre-k | count-scattered-shapes-up-to-5 | false | true | How many shapes are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEDCAYAAABAn3CkAAAgtUlEQVR4nO3d/3NUdZ7v8Xen02lsE6DJBDoSYttJKY6IM0XKCQOrCFMYdiqpGxiiWyxTukjVIj8gFkrt/nB/uD/cWyol8gNSK4O1sxQ1GiakKqk1keHb7JAlNeLckYkjTiVtExLTVCQdJrGh0+nu+4NTU+5dvwA557zPl+fjD+h+EhVf3Tnnc3yFQqEgAAAAAFyhSDsAAAAAgHEY+AAAAICLMPABAAAAF2HgAwAAAC7CwAcAAABchIEPAAAAuAgDHwAAAHARBj4AAAD... | [
"4",
"2",
"5",
"3"
] | null | 0 |
math | grade-2 | identify-repeated-addition-in-arrays-sums-to-10 | false | true | Which addition statement describes the array? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACACAYAAAAxkR62AAANQ0lEQVR4nO3dsU/cdh/H8U8eZWjUSD5lSjJZZAwKlp4uQUTx0m4RvqGdqh5s2fCp3c/3B1SYjU74unbAJP+AoyC6mjSMRJ4oEzISEiPPwONrk7TkfPf7ATm/X1OFcvb3M1T66Ou7n29EUXQmAFei1+td9QgAAMCw/1z1AAAAAMA0uVn9B5s04PL0+/2rHgEAAFjCBhsAAAAwiIINAAAAGETBBgAAAAyiYAMAAAAGUbABAAAAgyjYAAAAgEEUbAAAAMAgCjYAAABg0M1... | [
"5+5",
"1+1+1+1",
"4+4"
] | null | 2 |
math | grade-4 | estimate-angle-measurements | false | true | What is the measure of this angle? Choose the best estimate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAA/CAYAAADaDb8WAAAEbElEQVR4nO3dP2yUdRzH8e8hw7X8T6lh4I+bEOMgYfJsN0hDjBod2hpx0KFLBxONCcEYNeK/gUVjgKQmhqEwMJgY2kDCQLlJgQGTYuICmuBCyEG4uj0OF88CpRS43vPv9Zouzw33Saf3PXl+vUqSJEkAAAAdsSLtAd0yW78S04dPpz0DAICCW5n2gOXUbDTj9MTZOPX9VDQbc/Hej+NpTwIAoOAKGdhXL1+L6aNnYuZ4vX2td/2q2LV3Z4qrAAAog0IF9rnJ8zF99Ex... | [
"120°",
"150°",
"45°",
"90°"
] | null | 2 |
science | grade-4 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAADXAElEQVR4nOz9d5wlx3nei3+rqrtPmjw7O5sjciRIMIokSJEESUkkRWVdU8n3ykqWTIvytXwl+/ezwkdXtq8kXtmSLVmURFJWoCRKFAUGkSAJBgAkACKHBRab0+zu5Dmpu6ruH1UdzpmZ3QV2NgDoZz+9p6dz9+nT/dRTz/u+wlprAdrtNseOHWN+fp4kSShR4lIjCAKGhobYuHEj1Wr1gu6rvP9LXG4o7/8SL2VczPu/RIkXI4S11rZaLfbu3cv27dupVquEYXipj6t... | [
"blue",
"fuzzy",
"sour"
] | null | 2 |
math | grade-3 | fractions-of-a-group-denominators-2-3-4-6-8 | false | true | What fraction of the shapes are squares? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABKCAYAAACB4iNkAAAHpElEQVR4nO3dPW9b5xkG4CemIFa0VdkVBQqhagJxG1sdOqRZrTX2GGtr4TlZC+QvdOvQuT+ga9fMnd3FQ22kQIEacaoPSxQjWYpskuqgSFZg6ejDr3wOz7mu0SblhzduWQ+OyPN+sLe3txcAAEASV/IeAAAAysSCDQAACVmwAQAgobG8B4DjrD3qxr/+8u+3/nxqfjLzeWONsbjWaWQ+ptaoxbXO1czH/Kw5HvWZ+umD5kxOpKRPAGlYsCmk/vbg2D/vPdk89blr/+y... | [
"3/6",
"4/6",
"1/3",
"3/4"
] | null | 0 |
math | grade-2 | select-three-dimensional-shapes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAZK0lEQVR4nO2dW3Cb5ZmAH1tnS7EkO5FE7Nhu0ljsbLDbTTYxFyEc2nQGSHYvyF4USq843HRnYMrdTpl2etdO6SUUbraBXizcrFNgOJMws3FSA5WTnUV2k1qOCJISWZJlnSV7L379P5KtJDofv2eGMTr+X6zHr97v/U59m5ubm740/C0O0RxkNxEI2g51H+xQwf4BsGuhz5fa3Ly41upmCQTlc2QQ1Etx6cZdWnAaJasFgnYjmgN3DL5Jw2Ic+tey0gNCWkE7s0M... | 1 |
math | grade-3 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABRiUlEQVR4nO3de3hU5bk3/u9aa045DQnhnCBHhcQDB1sStKJvNVjFev02oXuL2Haj9dBrS8Fd0e5fxVZg/94t0C2oe1elQvuqaLdg37rFA9FujQcSbRGwTEAhQJkQYshp5TSHNWv9/hgyZJjTmvNM8v1clxeZWc/MPE1mde551v3ct6BpmgYiIiIiIkoIMd0TICIiIiIaShhgExERERElEANsIiIiIqIEYoBNRERERJRADLCJiIiIiBLIkO4JUAbwaIBHg3buX9/PggB... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5AAAAEJCAYAAADiusiGAABdRklEQVR4nO3de3hU5bk3/u9aa045TRLCOcFwECFBE8SWRK3gVoNbsb6/LbS7KNiNB2yvLQUrwd1fC61Cf3sLtIK631ZQaAuirWDfrWAl0b41LZJoiwTLBBQCKRMwBnJYOc1xrd8fQ4aEzGTWTOac7+e6ciUz65m1HpIZnXvu+7kfQVVVFUREREREFBaCIMR6CkQRI8Z6AkRERERERJQYGEASERERERGRJgwgiYiIiIiISBMGkERERERERKQJA0giIiIiIiLSRBf... | 2 |
math | pre-k | circles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACbCAYAAACao4KyAAACeUlEQVR4nO3UO25UWRhG0b/Kj4BHk9FiAN0MgdkQMDAChsMMeORtUhtbstul28EVEo4x+0rVa0Xn6CRfsHV2y7IsF3czX29mrg4z98vALzvdzTw/mfnrycyf5zO7i9tl+Xi59SyO2Zs/Zk6/3KyXV+czr5+uFcKvujrMfLqe+edu5vPNzP7yfn0QGY/p+cna1MzM98PM/vDTAzymH039u8zst53C/4XQSAiNhNBICI2E0EgIjYTQSJxuPeCBD++2XnA83r7fesE... | 2 |
math | grade-2 | which-bar-graph-is-correct | true | false |
Tony went on a picnic and brought ten crackers. He brought fewer apples and oranges than crackers. Tony made a bar graph of the food he brought. Which is his bar graph? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAZ4AAAEOCAYAAAC5GnFMAACQvElEQVR4nOz9eZwlVWH//79O7Xfre3uZnulZYIZh2FQ22RFhwCUquMQ1RKMxEvWThHw+HzXoz2gSI4oxJhLNRyPxo0ZFREV/GiPqB0QWZV9knRlm33p6v1utp875/lFND0SEUeB2z3Cej8c8pu+turdO1e2u9z2nTp0jtNZ6NIWHQ2jnIDWGYRiG8bRxBNRsWFOGxR6I0UTrW1vzXSzDMAzj2eDkPnA2hMWDEQ8OrxSpZBiGYRhPl3YO67qwO4X1IVgtWSwwoWM... | 0 |
math | grade-5 | regular-and-irregular-polygons | false | true | Is this shape a regular polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADZCAYAAAAaEEeJAAAmWElEQVR4nO3deXTU9aH38c/sk5WEbGRjEwiYAIpatVVqBUS7SBerVVGK5VxAiNZeL23tU/7gObUt7S2PBkV7sYrFtvZar7TeWhHcaOsK1EAkAWRLQnayJzOZ7fkjGEBQQ5jkOzN5v87xwNEfM+94/ONzxu/8fpZQKBQSAAAAgLCwmg4AAAAAYgkDGwAAAAgjBjYAAAAQRgxsAAAAIIwY2AAAAEAYMbABAACAMGJgAwAAAGHEwAYAAADCiIEdYV488phWvHG1dh/bZjo... | [
"yes",
"no"
] | null | 1 |
math | grade-6 | interpret-histograms | false | true | Carla counted the number of articles in several different magazines. Which range of articles per magazine is the least common? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEiCAYAAADDMqXnAAAv9UlEQVR4nO3deVSV9aL/8Q+TAiKDiKLiwSlnUKBMUXNKO6Xe1Jxy6jSYQ2Y3O2J3nV8drXtuN+5pZVpXTcmjHTtOOYAWipqGigMoTpg5FCgiJiCjqMD+/eFlFzG4k73ZbHq/1nLFM3+e/bhXH74++9l2BoPBIAAAAABmYW/tAAAAAEBdQsEGAAAAzIiCXQeFh4dr2rRpunbt2n3XLS4u1rRp0/TnP/+5BpJBkrZs2aJp06Zp37591o4CAAAswNHaAfCz3NxchYWFqaS... | [
"11-15 articles",
"1-5 articles",
"6-10 articles",
"16-20 articles"
] | null | 0 |
math | grade-7 | interpret-circle-graphs | false | true | A supermarket in Fairfax keeps track of which kinds of bags customers use for their groceries. Which list is arranged from the least-used bags to the most-used bags? | "iVBORw0KGgoAAAANSUhEUgAAAUIAAAFhCAYAAAAFlaMEAABXAklEQVR4nO3dd3gUVd/G8e9sSe+FdFLoBAhFEJCuKChSVBT7K4oNUIoiKAioKA8iFhBBsaOgggJSpSNVeg8dAiFACulty3n/2GQlkkCATWaTPZ/ryvOY3dnZ34TsnTNz5pyjCCEEkiRJDkyjdgGSJElqk0EoSZLDk0EoSZLDk0EoSZLDk0EoVRnZ2dmcOXOGlJQUVeswGo0cOXJE1Rok25JBWM2sXr2ae++9l+DgYCIjI3nkkUc4ePCg2mXZxE8//URUVBSDBw9WtY6... | [
"plastic, paper, customer-provided",
"customer-provided, paper, plastic",
"paper, plastic, customer-provided",
"paper, customer-provided, plastic"
] | null | 2 |
science | grade-6 | compare-thermal-energy-transfers | false | true | Two friends bought phones that cost different amounts but had identical batteries. After using the phones for a while, both friends had to turn them off to let the batteries cool. This table shows how the temperature of each battery changed over 5minutes. During this time, thermal energy was transferred from ____ to __... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAABfCAYAAACdpLOcAAAptElEQVR4nO3dZ1hU19o38P9QpKoIqIhIZiAISBAVQfCo5AFzLIdERRNEsLf32CCJGA0RIyLWvNGjqCeiJlEMqKDHdj2W2HtBRdGoFBEhKL0ODAPr+eBhwjAM7CmAwv27Lj6w9tqrzbo3iz1r9vD+ebEfAyGEtDPL+sZiTaJvazeDkPcaxREh3Gwbdq9F69No0doIIYQQQgghzYoW+IQQQgghhLQhtMAnhBBCCCGkDaEFPiGEEEIIIW0ILfAJIYQQQghpQ2iBTwghhBB... | [
"each battery . . . the surroundings",
"the surroundings . . . each battery"
] | null | 0 |
science | grade-6 | identify-elementary-substances-and-compounds-using-models | true | true | Look at the models of molecules below. Select the elementary substance. | "iVBORw0KGgoAAAANSUhEUgAAANUAAAAiCAYAAADI15wiAAAGpElEQVR4nO2cT0xTSRzHv5C+UloLNILZpO1LIFHbYgxyEDx4Y0GMBq4cTNxQDXpQAurJgJqNUYytbqKnkj3KscSD0njbEMSYhsO24KUxT5psaEmBbmvbR8oesFhp6fs3bZ+b+SS9MDPf+U3Cl5n+5jfU7Ozs7IBCoRCjttoBUCj/N6ipKBTCUFNRKIShpqJQCENNRaEQhpqKQiGMRsngVCoFnueRTqfB8xkAAMNoUVdXB4ZhoNPpiARZafx+P758+YKVlRVwHAcAYFk... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAYQAAADMCAYAAABzwdRmAAA1CUlEQVR4nO2deZQc1XX/v1Vd1ftMz9Iz0mg0WkYSGu1CoAUEGITYcYwhCdZJ8BIDITKGE9twIOcXyzHYP9uJgWCD42BszgkJmNj+sQSMiI6XAAGB0II02jUjza7Zeqb3ru39/qh61dU9PYs0rVnE/ZxTZ7qrql+91zNzv+/dd999AgAGgiCKxoeDDIsDQIlrsmtCEIWJ6cCRBNCpAOUScFmZeV6c1FoRxHkIiQEx1SlxmX+nABDXs+dJEAiiyJAYENMB/neqOnx... | 1 |
science | grade-3 | animal-adaptations-skins-and-body-coverings | true | true | Sharpnose-puffers are poisonous animals with brightly colored skin. The bright color serves as a warning sign that the animal is poisonous. The sharpnose-puffer's skin is adapted to ward off predators. Which animal's skin is better adapted as a warning sign to ward off predators? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOzdd5QkV3n4/W9VV+icu6cn55nNUatVjkggIUCAEEjCgIRJApNsYcAGW9axwSBEEBLZBiyShQUiGgRCOW6OszM7OfR0zrHS+8e+2p8WpZVYLIP7c86cM91dfftWeG4/fevWLcGyLEvXdUzTpKWlpaWlpaWlpaXlT5MoikiShKBpmtVK7ltaWlpaWlpaWlr+9ImiiNhK7ltaWlpaWlpaWlr+PJimifhiV6KlpaWlpaWlpaWl5cRpJfgtLS0tLS0tLS0tf0Z... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9d7xlV1nw/12779Pb7WXuzL0zd3pJMukJKQQpgRCkmAQE4ks+EBFEfUX9KYp8VKT6EkB5KQJCiIAgCIFACCSZ9KmZXu7M7fXc08vu+/fHmYwZSEiAIMp7vv/cOfuss/az99rPmvXspywRhmHoeR5BENCmTZs2bdq0adOmTZv/mUiShKIoCCF+1aK0afNridQ2nNu0adOmTZs2bdq0+Z9PEAR4nverFqNNm19bpLbh3KZNmzZt2rRp06bNrwfttX2... | 0 |
math | kindergarten | flat-and-solid-shapes | true | false | Which shape is solid? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMwAAADMCAYAAAA/IkzyAAAjdUlEQVR4nO2dZ3hb15nnf+gA0VjAIjawqBdKbpIdx1bibrnGjhPv7Kyzu9l4NpmUmczMbrLPzDP7pEzyIW3GKRvHcXpsJ+5FXY5FNxVShbREURQbWEQQBEgQhSgksR9AwCRFiQQJ4ALk+X3RQxD3npcU/zjvuW+TRSKRyEAILvjBMwHjEQQCwRRKGRgVsCYHitUgGwhGIsdGpTZLIMh8dphA2eaPfrFKDev0UTUJBIIonglo9cHFEJz3g3x0PPoNIRaB4FKMiqg... | 0 |
science | grade-6 | use-scientific-names-to-classify-organisms | true | true | This organism is a garden hyacinth. Its scientific name is Hyacinthus orientalis. Select the organism in the same species as the garden hyacinth. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOydd5hdVbn/P+9aa+9zzsxkZpJJIYEEQkISei+CgAgoSEQRBAGVZkNQpCiWn9fL1YsFxYKIKCBFFC4KIja60oRAwBQChIT03iZTz9l7r7V+f6x9TjIQkBLxXt2f55knc8pu6+w5ede7vu/3Fe+9z7IM5xwFBQUFBQUFBQUFBf83UUphjEHSNPVFcF9QUFBQUFBQUFDwfx+lFKoI7gsKCgoKCgoKCgr+NXDOof7ZJ1FQUFBQUFBQUFBQsPkoAvyCgoKCgoK... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6IAAADMCAYAAABp7h4wAAEAAElEQVR4nOydd3gc1d2273NmtmvVu2RJlmy5994AF7rpvfcEAiGBkJBOCAkkISGFkkDoLRDTuynGNu6925Ilq/e+0vaZOd8fuxI4EHASkvd98+19XXtJuzv1zNm99pnnV4RSShmGgWVZJEiQIEGCBAkSJEiQ4P8mUkp0XUcI8T99KAkSfCEyIUITJEiQIEGCBAkSJPi/j2VZGIbxP30YCRIcEXpChCZIkCBBggQJEiRI8N+BZVls7lOM8oBX+58+mgQJoN+ECj+... | 0 |
math | grade-7 | similar-and-congruent-figures | false | true | Are these shapes congruent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEbCAYAAADgR/OCAABKBklEQVR4nO3deViVZeLG8e9hUUAJFDU3Rk3JNLVFLE3FXQFxFHNNTM2tEte0aZqWMdQWDTXUcSlRJM1d1BQEN1xKQ3PEMMU0JxKX0EOBCLL8/mBi8qclGvByDvfnuriUc57nPfd7XSe8e3jO+5ry8vLyEBERERGRImFjdAAREREREWuigi0iIiIiUoRUsEVEREREipAKtoiIyH8NGzYMW1tb7OzsbvnaunWr0dFExILYGR1ARESktIiPj2fjxo389a9/NTqKiFgwk64... | [
"no",
"yes"
] | null | 1 |
math | grade-4 | properties-of-three-dimensional-figures | true | false | Abby made a 3-dimensional figure out of clay. The figure had a round base. Which figure could Abby have made? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAABSCAYAAABNL9ifAAAPU0lEQVR4nO3deVCT977H8XcgRBFs1IO4UEEcbL1o9cKxi7UyVYMwuFD11o4LILZyabVqnSpSl9NN0A7S6vHaOmqlahmRzgXcZXCoSm0rUHNuverxyAU36kJJRPb1/pEm52EPISGQ83v9oyRPnueXhA/f7/dJCLKGhoaG+9Vwsxye1EFtA4IgWIBcBn3tYWQfGKTQXSa7X9XQcKnEugsThH81Lz4FrgqQ/6Ncd8EQBTzrpEuoIAjm96QO/l4Gv1XDjXJdAO1KanV... | 2 |
math | kindergarten | represent-numbers-up-to-20 | true | false |
Which picture shows 7 triangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAcwAAABcCAYAAADjyoVxAAAHwklEQVR4nO3dP1NbVwKG8Ve6Ehb/tMIIIhzIBhKTGXdbZWZnP8BusfV+jXwCtkwDTdyFjO0WNtWmgD6JCrsAZpIwXkyRqEBkd5IxljwTMKMtrq8CsdA9ku69556b5zeTCTaKOE/1wuhE5DqdTqd5Lj17Kb24lF51BADA714hJ0170t0J6a0xKdf8pdN5fGb7WAAApNeHZalw9NL/w8KY9MGkv6YAAPzevbiUnralk3PpPy+l/Nkr/xOMJQAAv5r2/G2UpNallL+... | 1 |
math | grade-8 | similar-and-congruent-figures | false | true | Are these shapes similar? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADwCAYAAAA6sxN3AAA9DUlEQVR4nO3dd1yVdePG8Q8ckKmg4HxMcaQ5IFMzRw4STQW0nDjKbY7cWq7cOxflSEv9WdlS01xoudLMhamAmGniIDEcgclQ1u8PkicfLQUP3ge43q8XL+Q+97huD8jl93zPfVulpaWlISIiIiIiZmFtdAARERERkdxEBVtERERExIxUsEVEREREzEgFW0RE8qSAgAAmTpyY8XVKSgqNGzdm1qxZxoUSkVzBSm9yFBGRvOjEiRM0adKEixcvYm9vz4gRI7h8+TKfffa... | [
"yes",
"no"
] | null | 0 |
math | grade-3 | division-input-output-tables-find-the-rule | false | true | What is the rule for this input/output table? | "iVBORw0KGgoAAAANSUhEUgAAAMkAAABtCAYAAAALS0X9AAALT0lEQVR4nO3da0xUZx7H8e+B4SbKAF5ALsUqqYaqeIlYrQtubVOz9qIt9magFXGjSK1id21NS922dk0srQk0RhOzWq+LVCQRExNtxQrWmFZtt6jB4mVoYWxBpHKZGWfOvkBY2bp7tIOeOTP/TzJvzsDJL8785plnhvNXKS4uVhFC/E8mgNF7HtI7h7jh25lfyePhQb6d+RV+eocQwtNJSYTQICURQoOURAgNUhIhNEhJhNAgJRFCg0nvAHcidEwwcX8ZCEBNdh2udvk... | [
"÷ 4",
"÷ 2",
"÷ 3",
"÷ 6"
] | null | 1 |
math | algebra-2 | linear-functions-over-unit-intervals | false | true | How does g(x) change over the interval from x=4 to x=5? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABv90lEQVR4nO3da3RU55kn+n/dJJVuSEggCbAE4i4hgQGBBQgkcGzHdjwGJ43jlTjOcrIm6dzPTGeyujOZ7hyP47Vy6Ynb9iSZTtvOnJzOxCe2uw0WBJC4RMQICRDoYsACdAF0KalU11219669z4eiFGQEqKT9UlXS//eFpVLth0d7V7311FtPva9J13UdRERERERkCHOsEyAiIiIimk5YYBMRERERGYgFNhERERGRgVhgE9GEffDBB3jggQegKMq4v//DH/6AT33qU/c... | [
"g(x) increases by 300%",
"g(x) increases by 3",
"g(x) increases by 200%",
"g(x) increases by a factor of 3"
] | null | 1 |
math | kindergarten | represent-numbers-with-shapes-up-to-5 | true | false | Which group has 2 rectangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAEhElEQVR4nO3WTW4cVRiG0a+6bQ+cHxiBWACwhOwCia2yjOwghDnOEDtuKcatYlCKxCDKqHlaas4ZVelKpbcmj+6yrut69zTzx2Hm4TjzvA7ASVwtM6/2Mz/eznx/M7PcfVrXt/fnngVcujevZ67eH7aXH25mfn6x1QjgFB6OM+8eZ/58mvn9MLO7f94OxAY4tVf7rS0zMx+PM7vjvw4ATu1zW/5eZ3bnnQL8nwgOkBEcICM4QEZwgIzgABnBATKCA2QEB8gIDpA... | 0 |
math | grade-2 | name-the-two-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD1CAYAAABqfoLEAAAFBklEQVR4nO3YsQ3CUBAFQYyQi6EIiqcIiiE5SsDBWl+yZuILXri6bWbmBgAAJO6rBwAAwJUIbAAACAlsAAAICWwAAAgJbAAACAlsAAAICWwAAAgJbAAACAlsAAAIPY4efj+vM3cAf+zP9+oJAMABPtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtg... | [
"hexagon",
"triangle",
"square"
] | null | 2 |
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? | "iVBORw0KGgoAAAANSUhEUgAAAmwAAAGZCAYAAAA0Im0SAACU4ElEQVR4nOzde1xb9f0/8FcIgSQkQIFyCdA7Se2NWrAXrTZtp1NLqpvzAvXS/bRg1c0p6C5emk6nbkJ18wr1O2tVqF2nrsHLvDXV2YuGlrb2EugdCC0t1wDhkvD5/UFzmnApt9w4eT8fVsi5fM4nKbz7Pp/bETDGGPxYbe15nDx5Cu3tbRAIBN6uDiEAAJFIhOjoGIwbN87bVSE8RvGP+CKKf30L9HYFvKmrqwvV1dVgrAtBQUHerg4hTmprzyMuLg4ikcjbVSE8RPG... | [
"sample A",
"neither; the samples have the same temperature",
"sample B"
] | null | 2 |
math | grade-2 | correct-amount-of-change | false | true | You pay 92¢ to buy a spool of ribbon costing 81¢. You receive the following change:Is this the correct amount of change? | "iVBORw0KGgoAAAANSUhEUgAAAlUAAAA/CAYAAADJ9j2nAAA160lEQVR4nO3dd5Red33v+/euT2/Te9eMei9WsSxbso3BBJuOCTGcFMKBUHLPSjiL3BQS7sq5SW5WCjeQGyCBBIKxDS64y3JR79JII400XdOfeXrbz7Pb/WPkCZwY4iIDOef3WsvLZWYe7f3zXms+6/f77u9Xcl3XRRAEQRAEQXhT5J/3BQiCIAiCIPyvQIQqQRAEQRCEG0CEKkEQBEEQhBtAhCpBEARBEIQbQP15X8D/ikyjRKFQoFw2KBUKWJUyxeQcFdtFVVU84Rh... | [
"no",
"yes"
] | null | 1 |
math | algebra-2 | outliers-in-scatter-plots | true | false | The three scatter plots below show the same data set. Choose the scatter plot in which the outlier is highlighted. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUYAAAFGCAYAAAAW1zbwAAArMUlEQVR4nO3df3RU5YE38O+98zOTZAamAU9AYI5MxGADlkBClHmP2Drytu67p31FY6t2m2jrxgaxHlvdpYcs27JnCmUrAouc1hxPd7OCWlu3r0fq2YJxMSSDWRBI0CQlgpCFhCE/JsmdOz/u+0fImLmZ/IDcmUyS7+ef5D5zc587GfLlufd57vMIiqIo/yMDzX1ATxgIKSAimlH0ApCpA3IswE1GQPifgKLUdU/2aRERpYZCK6Bv6hvYyDYCS9IHUpOIaCbpCQO... | 1 |
math | grade-5 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACrCAYAAABc+utDAAAgrUlEQVR4nO3da3yU1b328WuSkCA5FSQQQQIBwjlKigYMQkwI2x5s9LGxtlTbSnXbEttuYds+W2BXlNpGLRQUsDaGqCmVJtGMFJBDEsCAHMQIFAIEiaAcYsQxYUiYMDP38wIZwccDkJm5Z5Lf95WfzGTWNfjmYvG/17IYhmEIAAAAgFeEmB0AAAAAaE8o2AAAAIAXUbABAAAAL6JgAwAAAF5EwQYAAAC8iIINAAAAeBEFGwAAAPAiCjYAAADgRRRsAAAAwIso2AAAAIA... | [
"right",
"acute",
"obtuse"
] | null | 0 |
math | grade-3 | identify-multiplication-expressions-for-arrays | false | true | Which expression describes this array? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACqCAYAAACXpjjmAAAQSklEQVR4nO3dfWxd9X3H8c+599rX1w9xsJ0H2yBm4ySQ0eCUwEhhQwQIQYoTWCmbtK4QikgN3ehAKlQC7Z+pUmnZWgURaIOIkCoVNlgggcIiAhWIpWEohqAlOE6cprGNk9wkfry+vg9nf0yhgbIs59zv8bHvfb/+tn6/T/5736ubcxzXdV0BAAAAMBEJewAAAABQTAhsAAAAwBCBDQAAABgisAEAAABDsTAvH8qMqT+VlCQ1JepVW1YV5hwAAACgYFMW2PtH+/R+8hN... | [
"3×2",
"3×1"
] | null | 1 |
math | grade-3 | fractions-of-a-group-denominators-2-3-4-6-8 | false | true | What fraction of the shapes are squares? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABKCAYAAACB4iNkAAAKtElEQVR4nO3dPXAbZR7H8Z+yXu1K1ouVF5sEy8kMExtmyE0oUpAJFXSBFAczzKQiLZRw1dXXQZuWVOmgCLg7qsvkihQwl5sJdmaYRCIvNjG2LHktab3eKxQ5A3MBy1rtPpK+nzax9X/W+/Pz97O7z6bCMAwFAAAAIBKHki4AAAAAGCU02AAAAECEaLABAACACE0kXQB6U1luS5Ja3q4kycl2/kaam08nVhMw6sgdAKAXNNiGWqn6uvdDU5Wlllaqvlrb+3sW1cmkNFO... | [
"2/8",
"2/4",
"1/8",
"4/6"
] | null | 3 |
science | grade-3 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Birds have feathers, two wings, and a beak. A griffon vulture is an example of a bird. Select the bird below. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOy9d5wcxZn//67qnrwzm/NKWuUskJCQSAKBicZkTDBnDA44G3z47LN/TofjgQ02DocxPmODEzYGY+MjHhgQICEkoZxXYXOeHLqrfn/0zOzsagXCiIOv3e/Xa14709NdXV3V0/vUU5/nKaG11pZloZTCxcXFxcXFxcXFxeX/TaSUmKaJyOVy2jXuXVxcXFxcXFxcXP7fR0qJdI17FxcXFxcXFxcXl38MlFLIt7oSLi4uLi4uLi4uLi5HDtfAd3FxcXFxcXF... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6cAAADMCAYAAACPx9V0AAEAAElEQVR4nOz9eZwtRX3/jz+reu8+6yx35cJlERBxQ1EMiuISxSgi4oKauMUYNTFoJBqMSQiJywcVEjUaUSNu0ZgQDPnqR0R/EhUNgkgQF2SHu82d5Wy9d1X9/jhzzszcBS6I0Y85z8djHnNOL1XV1dV9+tXvpYQxxlRVhdaaCRMmTJgwYcKECRMm/L+JlBLbtrmmB0dFULd+2S2aMGHf9BX8NIYdBbRteHxruFxOhOmECRMmTJgwYcKECf/vo7WmqqqJMJ3wK0/... | 1 |
science | grade-6 | match-chemical-formulas-to-ball-and-stick-models | false | true | Select the chemical formula for this molecule. | "iVBORw0KGgoAAAANSUhEUgAAAWwAAACuCAYAAAASyDeyAABI+klEQVR4nO29e5weRZ0u/lT1e5/7TCaTTK4kAXLlKpdoALkjilxECKjIogs/jnrOHs/veDy6xyN7UdejH/en7rr7A4V1cWGNCspNEVYQDSKCkoRLgNwgmUkmk7nPe++q80d3dVdXV7/zTjKTyftOPfm86eqq6up6e/p9+tvP91tVhHPOYWBgYGBwzIPOdAcMDAwMDKqDIWwDAwODGoEhbAMDA4MagSFsAwMDgxqBIWwDAwODGoEhbAMDA4MagSFsAwMDgxqBIWwDAwO... | [
"He2O2",
"He2O3",
"H2O2",
"H2O"
] | null | 2 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.