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-1 | which-table-is-correct | true | true | Jen went to the furniture store and saw:She decided to count how many of each there were, so she made a table of the furniture she saw. Which is her table? | "iVBORw0KGgoAAAANSUhEUgAAAT0AAADUCAYAAADup/RjAABCkUlEQVR4nO29WZCdx3nf/evudzn7mQWzAIMdBMBNosiP1s5oiW1VUmWXc6FsX3whKVVREktx7MS+cuIqp1wqxzfJV+UkVU5S5Rt5SWTHTCRLlmOajheSkUhaFMUVg3WAwWxnf9fu/i7egwEpEhRAzHbm9K8KNTNn+pzp98U5/+7+99PPI37xF3/R4nA4HGOCB/Cv//W/3u1+OBwOx44gd7sDDofDsZN4u92B/U6WxETrSygpEKIYY0yWQD4oGhi12VZ5EpRCSUns1Wg... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAnQAAADUCAYAAAAV6r4IAABso0lEQVR4nO39d5ydR333/79mrnbqni3aXfVe3G0ZYxtj44oNJLSAqeH3A0xi7mAbEmruAIZAchtCcocbQk9IAoRmDI4DxhVj02S5YmMk2VbXSqutZ/e0q8zM94/raCUhyZYsaes8Hw89JJ1znbNzrpX2el8z85kRH/vYxwyWZVkzxMc+9rGJboJlWdYx5wJcf/31E90Oy7KscWEDnWVZ05Gc6AZYlmVZlmVZR8ed6AZMd3HYoD7YgyMFQqT5WcchJLX0AO2MHeu... | 0 |
math | grade-7 | nets-of-three-dimensional-figures | true | true | Which figure will this net make? | "iVBORw0KGgoAAAANSUhEUgAAAM0AAACmCAYAAAB5jwvwAAAOQUlEQVR4nO3dfVBU570H8O+BxVWUiATBxEUF39YGXEunZezkltg2CU5iO5naJG2CSabkgpgo3Jhes5A4BiF6JZfh1heIN3XiS43RTpqkqbSaRIZMvJvpUHAVFlF8AZQFiugqr/ty/1C24q7CgbPnnGW/nz+Z457fwn59zp7n95xHcLlcLhDRsAUpXQCRv9EoXcBoVFdX45NPPsH69euVLoWGaSxc2PhlaDo6OmA0GlFaWqp0KSSSIAh+Hxy/Co3T6URpaSlyc3PR0dG... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUkAAACmCAYAAABX731LAAAfbklEQVR4nO3deVzVddr/8deBwyKLIKKogCAigmxFt5GThaU2dt9j5Yw5lZlallsplJWhk1paWhnZFGFqOo6NmjO/tE1zGfHnSt4pi8oBFFBBZJFFdjhw7j9OMC6IAmeF6/l49OARHb7f63jk3eec7+e6vgqNRqNBCHHHFAqFsUsQBmRh7AKEEMKUKY1dQEckJSWxY8cOFi1aZOxSxB2SNy7C3JhlSBYXFxMdHc3q1auNXYpoI4VCIUEpzIpZhWRjYyOrV69m4cK... | 0 |
science | grade-5 | animal-adaptations-skins-and-body-coverings | true | true | Fire salamanders have poisonous glands in their brightly colored skin. The bright colors serve as a warning sign that the animal is poisonous. The fire salamander's skin is adapted to ward off predators. Which animal's skin is better adapted as a warning sign to ward off predators? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd7xdRbn3vzOr7b736SU5Jye9k4QQCAQQBEQRaWKhWECvvPJyVVAE770WxGsDQcHoVRTpV0Ap0qRKLyGV9N5O77vvVef9YydHAgkEjNcr7/5+Pic5Z6/Zs2bNrGfvZ571m2eEUkp5nkcQBFSoUKFChQoVKlSoUOGfEykluq4jXNdVFee+QoUKFSpUqFChQoV/fqSUyIpzX6FChQoVKlSoUKHCe4MgCJD/6EZUqFChQoUKFSpUqFDhwFFx8CtUqFChQoU... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9d7xlVXn//15rl9PP7Xfu9GH6DDMwQxNpgooFEQVRo2giauJXv8aWYEmiBjGaiIKNGEWNIhoVFRBEQUWll6lMYXpvt7dTd1nr98cu55w7d2CQydefyfnwuq+5d5+9115lr8P+PM/neR6htdae56GUookmmmiiiSaaaKKJJpr484SUEtM0EUL8qbvSRBP/IyGbxLmJJppoookmmmiiiSb+/KGUwvO8P3U3mmjifyxkkzg30UQTTTTRRBNNNNHE/ww... | 0 |
math | grade-2 | compare-vertices-edges-and-faces | true | false |
Which figure has more faces? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAYAAADDPmHLAAAWpklEQVR4nO2dfVzN5//Hn51uNEm25SbZtyYdxGRZ8Z3I3ba+7lmshmopydw1fGM3Stv3y3y1cjcSuvn+GIbIGL6SGCYkjcjtsenGKqVEpc7n98fRwdakOrd1no+Hh3LO57rex/U6n+u63tfruj56giAIuRVw7QGUVEGlgI5GjIEemOqDbXNoawR6ueWCkFKs7rB0qIPeLcHg6gPZLxZG0NlEpg4djZeSKsgshZwKuPIARMWVshd0jd80MNWXtTXA/SoQVT31go6... | 1 |
math | algebra-2 | find-inverse-functions-and-relations | false | true | The graph below shows a function. Is its inverse also a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABqTklEQVR4nO39e3Rc5X3v8X9GM7rL1tWWbNmS8U2JjWUwGLCxg4kJUCC0dtIDTZuE0zQtbUl6ctbp+fX019PT5Mfi5Kzm0lCSkrRpIF05Jw0toQEjHBMb7NhgY2HLSIAthC1LlnWXRnO/7t8f8haWL3jG3o9HI71fa2URjTQff7WfPXu+8+jZe7ssy7IEAAAAwBE5mS4AAAAAmE5osAEAAAAH0WADAAAADqLBBgAAABxEgw1gkv/3//6f9u7dO/F1PB7Xo48+qmAwmMG... | [
"yes",
"no"
] | null | 1 |
math | grade-3 | identify-multiplication-expressions-for-equal-groups | false | true | Which expression describes the model? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACHCAYAAAAslC4OAAAjxklEQVR4nO3dS3PjVnoG4BfgTbxJFJutS4vqnsV4/tgskizGs4q9nKqss8wqlUqlUllNZZPKZuYX9D8Yu6fHKbslirryIvEOAsiCJgyA4E08AM4B36eqy2LbIj+Drz4enXMAaLZt2yAiIiIiIiH0uAsgIiIiIkoSDrCJiIiIiATiAJuIiIiISCAOsImIiIiIBOIAm4iIiIhIIA6wiYiIiIgESsddQJgsy4JhGM6fyWQCwzBgmiZs24ZlWbAsy/kaAHRdh6Zp0HXd+Tq... | [
"5×4",
"4×4"
] | null | 1 |
math | grade-3 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines parallel? | "iVBORw0KGgoAAAANSUhEUgAAAG4AAABuCAYAAADGWyb7AAAGs0lEQVR4nO2df0yUdRzHX4cKd8f9Yqtw5ZTRVm4a6VbJKgtz6w9igs2t0Ja2tBVuiWv9UP+I/kjrr3AV/WEt3CRYWwvwR2tJ/mBMbKupsP6ohXeatYuU+wF3iMj1x91z3SHIgcTDp+/39Yecjx77cK/n+33ez/d5ng+WWCwWQyOOLLML0EwNLS4Fn99rdgkZo8WlULqzhMBAwOwyMkKLS3CgrZ6LvT4OdTabXUpGWHQ4iXPnM276oyEW5RfSte83s8uZED3igEOdzfR... | [
"yes",
"no"
] | null | 1 |
math | pre-k | fewer-and-more-compare-in-a-mixed-group | false | true | Are there more squares or circles? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAA2CAYAAAA273fRAAAHqklEQVR4nO3dzXMT5x0H8C9UQpLlFZax4zWxyIsgxSrjmIMzxS8HTqA/oPYlB3LhFuqry6RM6ARf2hkn3NoDHHJR+gcoOXEwVjvxwR4PQTRGlEYErRFYRitZK1bBPbhrx9aL99G+Pdv8PkeP9Pj7He/8tF5J+xza2traAiGEMDjsdABCiPvQ4CCEMPNY/Qv+sbYMAHj5qgQAOHqkEwBwrm/Y6l9tKepFfslMHRzZUg5fZ+8iJS3h6+xdXc+5GBnHqHgWFyPjiHT2mxn... | [
" circles",
" squares"
] | null | 0 |
math | pre-k | fewer-and-more-compare-by-counting | true | false | Which group has more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAALLklEQVR4nO3dT2wUdR/H8c/usm1alta0FNRSxNo+VBAPRKAIJVrR4MGTQYlyM4DGQzHeSPSmHAyJHjQInJALQRP/xGAUMBEIFTAosUhtLf8KT6F/lLLdUra78xxWlEesLLa735n9vV+XtUHd73bm3d90hp0NeZ7n9VyTOhPSlZQ06glAjkwKSVMiUn2pNL1ICvWMeN7hQeuxAPcsKpMmdSQyX9xVJM2enKkTQG5cSUntQ9J/r0k/J6Tw4GjmD4gPyL0pkUxrkhR... | 0 |
math | grade-5 | compare-decimals-using-grids | false | true | Which decimal is greater than the one shown in this diagram? | "iVBORw0KGgoAAAANSUhEUgAAAJwAAACcCAYAAACKuMJNAAACL0lEQVR4nO3awUkDURhG0TeS1tzYhR0IqUOwA7vIxuLG1UhwpYL38ZJzdgq/zOJmCPht+77vAyIPsx+A+3K6/mE7X2Y9Bzduf30aY1y94cRG4fT9Fy/Pj3/6Q2/vH0veHp+839rOF7c/vLvmOxwpwZESHCnBkRIcKcGREhwpwZESHCnBkRIcKcGREhyp7Vj8mifxn46liXnSQlOfFW/Nk5hKcKQER0pwpARHSnCkBEdKcKQER0pwpARHSnCkBEfKPImEedIwTypuzZO... | [
"0.4",
"0.3",
"0.34",
"0.33"
] | null | 0 |
math | grade-8 | describe-a-sequence-of-transformations | false | true | What combination of transformations is shown below? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEyCAYAAADA5Kd8AAAajklEQVR4nO3de5zWZZ0+8AuQQyhQpqIIkrp5ylIcTcKUcvdnSZbrKQ95To0fh8Q8pq62pqbmMYF1Q9MkzdZTFGptVosHxMVHxTS1EiJEQsriKIeY2T/Gmddiygxwzzw7M+/3XzwP3+e+PvOHcvHlfu5vp7q6uroAAABFdK72AAAA0J6sUbDnzZvX6gN0lMxq5cpsX5nVyu0omQBQQqf/vUWkUqlUcxaANdTU1FR7BABYZxu9/Y3W/gOtUql0iMxq5cpsX5nVyq1WJgC... | [
"rotation, then translation",
"rotation, then reflection",
"reflection, then translation",
"reflection, then rotation"
] | null | 3 |
science | grade-7 | compare-concentrations-of-solutions | false | true | The diagram below is a model of two solutions. Each yellow ball represents one particle of solute. Which solution has a higher concentration of yellow particles? | "iVBORw0KGgoAAAANSUhEUgAAAbAAAAEVCAYAAACBn7B3AACAB0lEQVR4nO19eXwcxZn2Uz23NDM6LF+yZFscvm0gLL6AJJw24ITL2Al8bCAhZAmBgEmADUk4EkhYgm1IFrLcYUNCbBNgE4jNTViwuVmCbQjgU74PaTQazd31/dFd1dU9PaMZaUbWtOv5/WzNVFfX0VNPv8/7VnU1oZRSSEhISEhIVBmUA90ACQkJCQmJvkAaMAkJCQmJqoQ0YBISEhISVQlpwCQkJCQkqhLSgElISEhIVCWkAZOQkJCQqEpIAyYhISEhUZWQBkxCQkJ... | [
"Solution B",
"Solution A",
"neither; their concentrations are the same"
] | null | 1 |
math | grade-2 | purchases-do-you-have-enough-money-up-to-1-dollar | false | true |
A blueberry muffin costs 84 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADECAYAAADqBVUcAADEIElEQVR4nOzdd5wU9f348dfMbLut13s/ynG0o4MUBbFgwV5jiSbR/NREY8w3GmNMjJpiosYUTewaS2yoYEEFFVEEAekcBwfXe7/bvjOf3x97u3ACeiiWmM/z8bgH3O7s7MxnZvfe85n35/1RhBACSZIkSZIkSZK+FdSvewMkSZIkSZIkSTp8ZIAvSZIkSZIkSd8ihz3A7w4Lipb2MmF5H91hmf0jSZIkSZIkSV+lQwrwX2wK85uKwKcG7u+0R6j2GWzo0blkne8Lb6A... | [
"yes",
"no"
] | null | 1 |
math | grade-4 | compare-fractions-with-like-numerators-or-denominators-using-models | false | true | Which fraction is greater? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACpCAYAAAARMkpIAAA4iklEQVR4nO3df1xUdb4/8BdOFqk5uBVppjNoXkswwX5YCg1k926aBLqamBaYeh0zF6wU/JGg+Qu1gk0U9pJC6RWoDRXS7m4JCllkCitYtpvOjKUW322ZUQhTcL5/jOc4qMAMnDNnYF7Pv1aYOefzGd/76O1n3uf99rJarVYQEREREZEkuii9ACIiIiKizoQJNhERERGRhJhgExERERFJiAk2EREREZGEmGDbaWxsRGJiIu677z7ccccdePrpp1FeXq70sqgDslqt2Lh... | [
"9/12",
"6/12"
] | null | 0 |
math | grade-5 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAn0klEQVR4nO3dd5SU5d3/8fcsy7KuSBFRAQuKHRUbGopgQ7FgwSQSjSWGJxoTjYk1MYkaYyKWRM3z+IuRJPYSe1TUYCyIoCIoIlZQLJSISBEXWJad3x83m2sWUMrOzDXl/Tonx+91Dcz9eXzwnA+z91x3Kp1Op5EkSZKUFRWxA0iSJEmlxIItSZIkZZEFW5IkScoiC7YkSZKURRZsSZIkKYss2JIkSVIWWbAlSZKkLLJga82NuxP+PBg+eDl2EkmSpIKV8kEzWq3JI+B... | [
"no",
"yes"
] | null | 0 |
math | grade-2 | select-figures-with-a-given-area | true | false | Which shape has an area of 6 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKQAAAD+CAYAAAC0oK7QAAAEC0lEQVR4nO3cMYtcVRiA4W92N1vEZCUgioWFRbRIG4j5AZaWdv48K+209AdEgq1FjGBhYUQhsJssZM1yLYYFxU737ry4z9PMXC589wzzcrjV2SzLsjw7m/nxdObkfOb1MnBlDjYzt/dn7t6ceedwZvPs1bI8Pt71smDmwdHMwdPT7cW7hzMfvrGtFa7KyfnMk5czv5zN/HA6s3f8entDjOzC7f1tezMzL85n9s7/cgN24aK9P5aZvd0uBf5OkKQIkhRBkiJIUgR... | 0 |
math | kindergarten | count-corners | true | false | Which shape has 5 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFyUlEQVR4nO3dy25TVxjF8eWEZEChnVSt+gBtH4Gn6HuSKFKkZpABysQKBjwgsixhUWIpMigJscE4dk7iy/Hu4NRqC4Hc9l77ctZvQlGo8eCvAPmWcirGGHM8AfYzYJgDMwORO7tXAR4uA7/eB35eBSrHY2Pqp77flqTs0ffAvTdZ8ZNfVoHfvysqFLmrYQ68PgOOJsBfGbB0Ois+oMjEpofLRVMAMMqBpfw/HxCxadHU1ABLft+KlIVCEwqFJhQKTSgUmlAoNKF... | 1 |
math | calculus | domain-and-range | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABkxUlEQVR4nO39e3Qc9YHn/X9a3a371ZIt2QLJGIMTG8tgMMTG5jIQICEhsRPGJE8uzDCbIRuSbJ6z2cPMQ7JzYZk8m0nmF5ZksuxmA8wvs5mwATLYCMfEBjt2wFhg2Za5GGHrYluXtqRWt/pS1V31/GGksWzZluz6qtXS+3UOh6O26tNfVXV/69PV1dU+13VdAQAAAPBETqYHAAAAAEwnFGwAAADAQxRsAAAAwEMUbACj1NbWaufOnSM/Hzp0SLNnz1ZbW1sGRwUAQPa... | [
"$\\{y \\mid y \\geq 1\\}$",
"$\\{y \\mid y \\geq 0\\}$",
"all real numbers",
"$\\{y \\mid y>0\\}$"
] | null | 1 |
math | pre-k | represent-numbers-up-to-20 | true | false |
Which picture shows 3 triangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAFIAAABcCAYAAAD9JuLrAAAEz0lEQVR4nO2dX0/bVhiHf7FjN4mDE8iygCcigVS22+2mV/sE0z5WPwDcw31TaZM2Qe5o1UpQ9SLhru0yKVw1mbYVQ0LkZSbehXO8VPxxgPf4uNv7SAhDDvbLo5f4Z5+DnAmCIOiPgV9HwOAC8AMwc5DNAAs68LAA1Ewg0/8rCF6fqS7r0+aRDWQ7o/CLFRP40gotM/EMLoB350BvDPwyArQzP3yBJd6OBT10BgDDC0C7mHmBuR3C2d8BoKkt5b8DiySCRRLBIol... | 2 |
math | grade-8 | quadrants-and-axes | false | true | Which point is in Quadrant II? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AAA9fUlEQVR4nO3de3RUZYL3+19VioQk5AaBXCDEG6BAuIvcgtJID4qNV45ytNXR8R09q492L98+y8P0eGbshtdZc5xWtF3TdPeS6VenPfLiOE2DgyJCDCIGBAIEGlDDJSSEkFsllapKXc4fmHQCCST67OzayfezFmt17ars/Hy6sutXTz27tisajUYFAAAAwAi33QEAAACA/oSCDQAAABhEwQYAAAAMomADA9z8+fP13nvvtd/+4x//qBtuuEGRSMS+UAAAOBgFGxjgJk2... | [
"R",
"S",
"Q",
"P"
] | null | 3 |
math | grade-1 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABWRUlEQVR4nO3deViUVfsH8C+i7IxaLikoiLkwlruA9oqVoSW4JO5bLrlVhuZWv9QStHJLUXsVcNdcEswNSygzTGUxc3kd0hQYHSRFAwaBGUT9/UGMILM8szEs3891dcUw5znPHTEX95y5z32snjx58gRERERERGQStSwdABERERFRdcIEm4iIiIjIhJhgExERERGZEBNsIiIiIiITYoJNRERERGRCtS0dAFmeQqFAQUEBCvLzUVCgQEFBPgoKCmBduzYc7O1hb28Pewc... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABn7klEQVR4nO3deViUVfsH8C+i7KCUG4KCaClYihvgRouhpqgl7pq5b2VqbvVLLcEWtxTNVNyX1BLMvYQWI1GWNJfXIRc2HUVcEodtBhF+fxAj68zzzMLMwPdzXe8lw5znPLfj0Ds39zn3MSssLCwEERERERHphJmZmaFDIDK4WoYOgIiIiIiIiKoXJppERERERESkU0w0iYiIiIiISKeYaBIREREREZFOMdEkIiIiIiIinapt6ADI8ORyOXJzc5Gbk4PcXDlyc3O... | 0 |
science | grade-5 | compare-magnitudes-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | "iVBORw0KGgoAAAANSUhEUgAAAhAAAACBCAYAAACRpYNGAAARaUlEQVR4nO3df1TVdZ7H8de9F+EKnBRFTMR0jiBlK7OboTF2Gge11KkNI7PU7PeGiWlrU9nkbHvMc8p+iDqlZ8bVMlvph2I/tD322xVTxJRKs8IVEUE0AhyFO8K9d/9gvTuMP+AD994vF5+PczjH+73fH+/vx+/nzYv70+b1er0CAAAwYLe6AAAAEHoIEEGSkZEhm83W7KdXr14aNWqUtmzZYrSvb7/9VjabTVu3bjWuw+1266mnnpLdbldOTo7x9gD8ryP0B7fbrZd... | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs."
] | null | 1 |
math | grade-6 | changes-in-mean-median-mode-and-range | false | true | Look at this set of 10 numbers: How would the mode change if the number 7 replaced the number 5 in the set? | "iVBORw0KGgoAAAANSUhEUgAAAS8AAAAkCAYAAADYbryvAAAHTklEQVR4nO3ce3BU5RnH8e+e3WRJWEg0F0IaMDFyCRAQCgohEoIYhCkgCkrFQYHiNAUslA7qxA7QWmXEqoB1KoPOIMqlCHJzuJRLoOVSCJIIJZEMxNgUkpBAAslu9nr6BybjGgqlPRc383z+22cn53fmnWeevLvnnLWoqqoCeAI+nN4m/GoAFSGE+OGwAFaLQmRYO8IV242aqqpqo8+Ny+c29+yEEOK/EGmzE2mzY/MG/DK4hBAhw+lzE6ZYUZwyuIQQIcbp86D4An6... | [
"no change",
"increase",
"decrease"
] | null | 0 |
math | grade-4 | scalene-isosceles-and-equilateral-triangles | false | true | Is this triangle equilateral? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC/CAYAAADEvavOAAAniUlEQVR4nO3de1jUdb4H8Pdwv4vcDMXAQFQUEy+gouIlBUUUlUsq6G+onWgrJTXNytt2Ontay8d167S1dNcVIbctW8sTZzkqtgZC4uCgJGFQTTW6YwyOjuPMnD+s2W1Xy8vMfGeG9+t5eh6frzPze2v+8fbj5/cbmcVisYCIiIiIiGzCQ3QAIiIiIiJ3woLtoh555BH07dsXf/vb30RHISIiIqJ/IuOKiOs5fPgwxo0bBwCIiIhAfX094uLixIYiIiIiIgCcYLukhx5... | [
"yes",
"no"
] | null | 1 |
math | kindergarten | fewer-more-and-same | false | true | Are there the same number of fish bowls and goldfish? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACgCAYAAAA2PRuAAAAotUlEQVR4nO3deZRc532f+ecutVdXV+/obgDd2ImFAMEFJEVRpCw6Y1OJZUuyPZZkW5Z07IwzciLJmcz4RDNKMj7JxJYmi5zYEzuSKdkzkSxSksVIjiORFCmKBEkABLETS6PR+17Vtd/lnT8a4CJi72oQXf39nINDEF391n1udZ3zw8Wtey1jjEFEREREROrCfrs3QERERESkkWjAFhERERGpIw3YIiIiIiJ1pAFbRERERKSONGCLiIiIiNSRBmwRERERkTrSgC0iIiI... | [
"yes",
"no"
] | null | 1 |
math | grade-8 | classify-quadrilaterals | false | true | What name best describes this shape? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEACAYAAACJVgHaAAAs6ElEQVR4nO3de3TU9Z3/8ddMrpBAZjSYmSQuCS6yAlIQWq5hAhUvpbUBlXjZltjz2+5v2+6KZ9vds1W3uK1uu/ZYPG73191227A9FgPIRaRYpORGuFiR/CBAkWrCDzIXCMyEEMh9fn98SSJyy2WS71yej3+EL5mZl0c95zVfv+/3xxIMBoMCAAAAEBJWswMAAAAA0YSCDQAAAIQQBRsAAAAIIQo2AAAAEEIUbAAAACCEKNgAAABACFGwAQAAgBCiYAMAAAAhFG92AKC... | [
"square",
"rectangle",
"rhombus",
"quadrilateral"
] | null | 0 |
math | grade-3 | fractions-of-a-group-denominators-2-3-4-6-8 | false | true | What fraction of the shapes are rectangles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABKCAYAAACB4iNkAAAGFElEQVR4nO3dT26VVRjH8aeUImiCQDQmmjQMgMhAhuIE2QELMGELjhy4AQfGdbgH4xacMZHoxGhIJGAoGP6ES3sd1JZWWnnoe857zr3v5zNiRE++E57cCz9W5vP5PAAAgCKOtX4AAAAsEwc2AAAU5MAGAICCHNgAAFDQ8dYPABjD99/djz9+fd76GbvWL52IL756r/UzXqETwHA+wQYmoaejMSLi91/6es8OnQCG8wk2MCkfX3m/9RPi9q17rZ/wWjoBHN2gA/vxt5/... | [
"1/8",
"2/6",
"7/8",
"4/8"
] | null | 1 |
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 sizes. | "iVBORw0KGgoAAAANSUhEUgAAAkAAAACqCAYAAABF2vD7AAAo5UlEQVR4nO3dd3xUdb7/8dfUBBKIaUgvJiC9KMWISlNEVrzub8Xu6par2Neyiquu61XuunvXAojgtXBVwIKguyJrQYFIB6WI0lsgCTUklNSZOb8/BiJIm0nOmTOTeT8fjzwgw8z3+xlgPvmc7/kWh2EYBiIiIiJxxGl3ACIiIiKRpgJIALj66qtxOBzHfWVmZjJo0CByc3PDamv16tU4HA7mzZsXdhx+v58nnngCp9PJSy+9FPbrRST2REP+8fv9vPDCC3Tq1ImkpCT... | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1."
] | null | 2 |
math | grade-2 | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAATUElEQVR4nO2da4xc1X3Af+fcmZ192t5dbLNgx3GN7fII2zjYYFMecVuSkqBCA2pktQ5VSqqK9gOVoqopqaqWNqmUCIgUKapRK9IqQoLwiOXGpZFJQqmNbaAmPGQMcfx+7cPrfXke95x+uDOzM7uzuzNn7tzH7Pl92dl7z+N/d/9z7vk/zjlCa63PZuDDCRh1IaexWCJHQkCXA2vbYXkLiLNprfdfClssi6V6bl4EiSMT3i99LbC+w9NqiyVqjLpweBzOZOCDCZC... | 0 |
math | grade-3 | compare-fractions-using-models | false | true | "iVBORw0KGgoAAAANSUhEUgAAAtUAAAC5CAYAAADnGsNjAAAv+ElEQVR4nO3dd3RU1d7G8e+E9EYSUkgILYiGgNIh9C5VVIrSFAEFLAjYwA4q6iteC17FBooggiB6KQICItJbQq/SQw0hJBDIkGT2+0fMSExIYTBBeD5rsa5z5ux9fvvkXHhmZ58zFmOMQURERERErppTcRcgIiIiIvJvp1AtIiIiIuIghWoREREREQcpVIuIiIiIOEihWkRERETEQQrVIiIiIiIOUqgWEREREXGQQrWIiIiIiIMUqkVEREREHKRQLSIiIiLiIIVqERE... | [
"<",
"=",
">"
] | null | 2 | |
math | grade-2 | compare-clocks | false | true | The clocks show two things Britney did Sunday morning: Which did Britney do second? | "iVBORw0KGgoAAAANSUhEUgAAAdEAAACiCAYAAAAeAvdAAAA5e0lEQVR4nO3deVxU9f7H8dcM2wADA4IsLoAKWqYIpqUJaKWZ5pp6Nc2lXO7tqkl1Ky1t08ysX2rUrXtT01bXLJdcslK0svTKolYCKpIKg4KMDDvM+f0xOTmCAiMyoJ/n48EjOHOWDxNvP+ec+Z5zVIqiKIhGq6i8mKM5x0nLPUlqbjqpuenoC85hKMnHWFqAsbSQ88UG1Co13hodWmdXtM7u6Fw8CdT6EdYkiNAmrQhtEkyodzCujhp7/0pCNHqSy5uHSppo41JYXsy... | [
"got dressed",
"ate breakfast"
] | null | 0 |
math | algebra-1 | special-right-triangles | false | true | Find z. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACJCAYAAAAWnk9+AAAXvUlEQVR4nO3de3DU9b3G8WdvySaEXI6RcFOCXIVSAYXEHo+EYpVaqYggQbHl0iraKtTLIWXGYx3nMPTYDgiKFqVgBzRt4l2OgEclKGrABgEZoIRrIpgCZRMSstnb7/yxJiQQYDf8sptk36+ZDJPfXvLd8M+z3zz7/VgMwzAEAAAAwBTWaC8AAAAA6EgI2AAAAICJCNgAAACAiQjYAAAAgIkI2AAAAICJCNgAAACAiQjYAAAAgIkI2AAAAICJ7NFeAFqfYUilFX5t2e/... | [
"$2 \\sqrt{3}$ centimeters",
"4 centimeters",
"$\\sqrt{2}$ centimeters",
"2 centimeters"
] | null | 3 |
math | grade-2 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABOLElEQVR4nO3de3RU9b0//PeePbdcZpIQrkm4q5BgAbGSqBX7VINPxbqeY7BHqm0PepR6fseiq2LXelroEuxaj0KXoK5VL0eo1YN6BM9ZVmol2tMTD5KgRaBlIgoBzIQQQ0iyc5vLnr2fP4YMGTKX79xnkvdrLReZ2d+Z+TaZ3fnMd3++n4+k67oOIiIiIiJKCkOmJ0BERERENJYwwCYiIiIiSiIG2EREREREScQAm4iIiIgoiRhgExERERElkTHTE6As4NMBnw79wr+... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABeq0lEQVR4nO3de3RU9b03/veePbckk0nCRQIJdxQSLIlYSRTBntqA9fY8R7CVarVg1VrrwZ4KnvVroatg13pEWsHanoqPoLVVWwnnrFpaSbRPTyqSoEWgMhFNAsgEEgMk2Zkkc93798eQIZeZzN5zn8n7tRYrc/nuPV/CjO7PfD7fz1dQFEUBERERERHFhCAIyZ4CUdLpkj0BIiIiIiIiyiwMNImIiIiIiCimGGgSERERERFRTDHQJCIiIiIiophioElEREREREQ... | 1 |
math | grade-7 | bases-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its base? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADHCAYAAAAjzCRiAABNuUlEQVR4nO29eYBdZX3//3qe55w7M0kmM5lMEgKBRBBZFZFvAZVNUURcoIpSl1ostLW1Vqz9Fq3VLrZ1aWvrUqtf+X3Vtir91rrvthQURFREIpvInrAJgSyQkOWe5/fHs5zn3pmEbTIzie+Xncy955x77j1n+sf7vnk/74/x3nuEEEIIIYQQU4Kd6Q8ghBBCCCHE7sQvlcD+3iW3cOmlN7Dv8mNm+qMIIYQQQojdFPPLFBF5xlFncukPPgnAwQedwtXXfHWGP5EQQgg... | [
"square",
"circle",
"octagon",
"triangle"
] | null | 1 |
science | grade-5 | identify-ecosystems | true | false | Select the tropical rain forest ecosystem. This ecosystem has:
long, cold winters and short, cool summers
many evergreen trees
soil that is poor in nutrients This ecosystem has:
year-round rain and warm temperatures
soil that is poor in nutrients
many different types of organisms This ecosystem has:
warm summers and wa... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOz9d7Rkd3nmi392rF05nTo5dPfp0zm3WmplCQkECBtjkrkGzGAGh7GNPU7M9Sz7esbL8FsMM75g+5qBMTZgkoVBmCQhqRU7SGp1UOc+p0/OleOuHX9/7Krd5zTC2DO2sU09a5W60t6161u1dZ563vd5XuGFkutuDUNUooMOOuiggw466KCDDv5JULHhcg2EsuW6HeLZQQcddNBBBx100ME/NSo2CK7ruj/sA+mggw466KCDDjro4EcD8tobu+96Nf0... | 2 |
math | grade-1 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAFlklEQVR4nO3dwWsUZxjH8V/MuptkTdjYqMFQrYoUtSU1UltEcaQIHrT00EOP2dK7l0Lppaz+Cz2XzaUXC+IhYEGIiOSioFtqoNRD9aBYU8iSGKNr0reHRkGyzsyaN5nZeb4f8CJPnvd15v2RMbv7pOP48eMuCAL5cO3aNTnnRL+373f16lUvvZIWBEGqr7O1frkgCFSpVLw0PHfunJxz9FtFv6zgXKWr3wYvnQCkGkEHDCDogAEEHTCAoAMGEHTAAIIOGEDQAQMIOmA... | [
"flip",
"slide",
"turn"
] | null | 0 |
math | pre-k | triangles | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACJCAYAAADUvSEiAAACY0lEQVR4nO3VTW4cVRSA0dvtn0FIQGIAYgEhKyDZD2vIMlhDFmRWYJI5ZpKBnViKcasYlCIxd+lr1JwzqqcnXd3Bp3q7ZVmWm4eZD/czd4eZx2Xgyc53My/OZl4+m/nxcmZ382VZrm6PvRan7M23M+fv79fDT5czr75ZK4SnujvMXH+e+fNh5o/7mf3t43ohMrb04mxtambm02Fmf/jXBWzpa1N/LzP7467C/4XQSAiNhNBICI2E0EgIjYTQSAiNhNBICI2E0Eg... | 2 |
math | grade-7 | identify-trends-with-scatter-plots | false | true | Does this scatter plot show a positive trend, a negative trend, or no trend? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAiZklEQVR4nO3df3DV1Z038A9IbYgoWVikCLRhY8A6G3LZ0BZwxgTbcXSBGrqP2nlEUVcL7nSraKvuzo5mrXZZ2xWs9Qdup1q1W3dkBVfH2roLoa4C1qyX0FoaDUQTBGzRKD9iqZDnD9s8UggC95v7zU1er5nOcO9J7nlH7dx3DueeM6Czs7MzAACARAxMOwAAAPQlCjYAACRIwQYAgAQp2AAAkCAFGwAAEqRgAwBAghRsAABIUN4K9rvvvhvvvvtuvqYDAIBU5K1gZ7P... | [
"negative trend",
"positive trend",
"no trend"
] | null | 2 |
math | algebra-1 | identify-linear-and-exponential-functions-from-tables | false | true | Is this function linear or exponential? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAWLElEQVR4nO3de7DVdcHv8Y+w2YBBbEVuIsRFB4JC8ZIpCTreztRY3pMMAhXUmUwnykujjDkH80KOoaKjA2mGgyLKHBlKlEliBjGeKTUfRUs38igeERC5CIIbzh9OnAgTyO9msTav14wz+lub3/fjf2/W/Nba+yz63pItqQIH3rR/ll69stIzdlqfKd0qPQEAgApoVukBAADQlAhsAAAoSGADAEBBAhsAAAoS2AAAUJDABgCAggQ2AAAUJLABAKAggQ0AAAUJbAAAKEh... | [
"exponential",
"linear"
] | null | 0 |
math | pre-k | fewer-more-and-same | false | true | Are there more bugs than leaves? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAABl1klEQVR4nO3dd7hdV33n//fap/d7bu9VV73YcpFsuXewMSVA6BAIaUOSmUkmk0kyvyQzIQlpJIFkhmRI6KYZiLGNwcYdI1dZvd7ey+m97L1+fxzpSldd8rWurvR98Qisc/Y5e539eXjW12uvvZbSWmuEEEIIIYQQC8JY7AYIIYQQQghxKZECWwghhBBCiAUkBbYQQgghhBALSApsIYQQQgghFpAU2EIIIYQQQiwgKbCFEEIIIYRYQFJgCyGEEEIIsYCkwBZCCCGEEGI... | [
"yes",
"no"
] | null | 0 |
science | grade-8 | use-punnett-squares-to-calculate-ratios-of-offspring-types | false | true | In a group of cockatiels, some individuals have bright orange cheeks and others have pale orange cheeks. In this group, the gene for the cheek color trait has two alleles. The allele for pale orange cheeks (r) is recessive to the allele for bright orange cheeks (R). This Punnett square shows a cross between two cockati... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAD6CAYAAADUdTPBAAASMUlEQVR4nO3da2zd9X3H8c/xLYmdxHFqp2mubNykIUaaWmO0RRVNiwoUsWkKtIom0FoedFqnCSGmdpMylkpcnrTiAVSoQmUqbYNa0KqVwSrWalq30TktMFahLMxcUoeVOA5JfI3tsweEY9MEkghyzvEvr9ejnH+Ocr75HUV65+/f//+vVKvVagAAgCK0NHoAAADgvSPwAQCgIAIfAAAKIvABAKAgAh8AAAoi8AEAoCACHwAACiLwAQCgIAIfAAAKIvABAKAgbY0egLf... | [
"0:4",
"3:1",
"2:2",
"1:3"
] | null | 2 |
math | grade-1 | compare-money-amounts | true | false |
Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAWwAAACYCAYAAADA69MCAACNAklEQVR4nOy9d5gcZ5X2/auqzrlnenKOmhmNwijn4CA5ZxwwmGgTDGYxmLBeYFlgecm8vAteMOyCvWCCbdmWs4IlWTmH0Wg0OYee0NM5VtX3R6trrWWXlYwF6Lv6vi5dSra66umq85znPve5j6CqqjqWgK4IBGVIqWSRRRZZZPE3AJ0AdgnqLFBgAGEsrqoHA3/ty8oiiyyyyOJPYakDdJ2R9G+KDDDLmo7mWWSRRRZZ/PURlOFsGEYT0BEBMZBK/0U2WGeRRRZ... | 1 |
math | pre-k | count-on-ten-frames-up-to-3 | false | true | How many stars are on the frame? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACQCAYAAAAyRxwtAAAHuklEQVR4nO3dPW9b5xkG4OeEVER9GLZkygoK2GuTbnZGezEQpGPQORnrNV6TNV67dE7X9kdk8FBkrKwx7WovBuqPBohIKhJxOrgsbEuWJfEhD3Xe65psQaTee7vx6tZh9fDpQR0AxN3tbtNHAKAFPmj6AAAA0CYKNgAAJFKwAQAg0ZHB4aebnSbO0ZidF+M3/i+//CWRf/z+bwKAM3KDDQAAiRRsAABIpGADAEAiBRsAABIp2AAAkEjBBgCARAo2AAAkWoiCXe/VTR+... | [
"3",
"2",
"1"
] | null | 0 |
math | grade-3 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAfrElEQVR4nO3deVzUdeLH8fcwAUFNCoaB5awWKOKWVBaiG7Vt1JqBFpodu91bbYftSm2lP7NSu9TMbRPco/tYa8b7CvNKw4vMIwwRT1TwWBBFcIBhfn+Yk+12CHxnvgy8nn/J98t8Pm/+e/t5fObzsXg8Ho8AAAAAGCLI7AAAAABAS0LBBgAAAAxEwQYAAAAMRMEGAAAADETBBgAAAAxEwQYAAAAMRMEGAAAADETBBgAAAAxEwQYAAAAMRMEGAAAADETBBgAAAAxEwcb... | [
"acute",
"right",
"obtuse"
] | null | 1 |
math | grade-1 | names-and-values-of-all-coins | false | true | Which coin is this? | "iVBORw0KGgoAAAANSUhEUgAAAMMAAADDCAYAAAA/f6WqAABy6UlEQVR4nO29fUxUd9o3/uk6geABQ+p0jCV3Zk5f+GM60KIi9SUp8LTYLIxmX1rstmmU3K3eKeKuj8lN4+6v8dk15U6MbdXmtts7aIxtoe3uRoFNtX0AE61FVFoY5w/aembyBI3HoSHCgYyh6e+PM9c13/Odc2YGBWu7XokRmJkz5+V7fa+3z/W57vnhhx9wV+7KXQF+8WOfwF25K3eK3FWGu3JXEnJXGe7KXUmI68c+gZ+zfP/99zcdkE1OTmJiYpx/z88vwPz58/n... | [
"quarter",
"dollar coin",
"penny",
"dime"
] | null | 0 |
math | grade-7 | cross-sections-of-three-dimensional-figures | true | true | Identify the cross section of the sphere. Assume objects are perpendicular if they appear so. | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAyBklEQVR4nO29eZRkV33n+bnLWyJyq31RlaTSYu2CwoAMA8ZFL8cGGygPtMczPd0WZuw500030plh2uMeJlPN6T42bo5gxudM27gtezzTtkGM1HAOY7DVCGxsgZCNWNwCoSpVqfYlKyszI+Itd5k/7osls7JStWRVbu+Tf0RkLBn3vXzf+C33d38Xampqampqampqampqampqampqampqampqampqampqampqampqampqampqampqampqampqampqampqampqampqamo... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUQAAADICAYAAACQ75jRAABCa0lEQVR4nO29e5RcV33n+9ln7/Oofkqy/NDD8kOObZAMJjYODDIRMxNmwMF2bjLgZIbEhJtgJ85gr3sT5sLkqj2ZeMVkskwmMJgkMw43c4Mh5AJm4ZmYkIAfGcB2BmOZAYxkW7Il62Gp1Y+q89j77PvHPqeqWi+rW13d1a390dKq7uqqOo869a3fb/9eAo/HczLsYu+AZ+EIFnsHPB6Pp1/wgujxeDwVXhA9Ho+nwguix+PxVHhB9Hg8ngoviB6Px1PhBdHj8Xg... | 3 |
math | grade-2 | equal-sides | true | false | Which shape has 4 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFmklEQVR4nO3dTU8bVxSH8f+M8QA2aSqkpEIqC5qkyQeIms/fbdQPEApNF1SCthJRATt+YTxdOFYRAoPn3nvuifv8dhGxPYtHPp7XWzRN05xNpOOhdFlL142AYBuF9KQjvepJ31VScTZumvcXuTcL6+zdN9LG0XD+j71Ket2fVwiEuqylw4F0OpF+HUrlxfX8D0SGmJ505k1J0lUtlfWNPwAxLZqaNlKZd1Pwf0FoMEFoMEFoMEFoMEFoMEFoMEFoMEFoMEFoMEF... | 2 |
math | grade-4 | is-it-a-polygon | false | true | Is this a polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD6CAYAAACbKDARAAAPqUlEQVR4nO3dy4+W12HH8fO+DMSovqQkspU66qJddFXjRMmqig2RYi6uqqy7SLg4i1T5a9oq3QBDl92iOIZEMpBVN7ENlbpupdqVrdguNioUM+/TxXDgmWEu7+W5nMvnsxvESAeNRvrx1XmfZ9I0TRMAAIBOTMc+AAAAlMTABgCADhnYAADQIQMbAAA6ZGADAECHDGwAAOiQgQ0AAB0ysAEAoEMGdmX+9h+/CL+4fHfsYwAAFMvArsiV9x6E//zDLLz/Hw/D2+8/GPs... | [
"yes",
"no"
] | null | 1 |
math | kindergarten | tall-and-short | true | false |
Which streetlight is shorter? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHIAAADPCAYAAAApiYXWAAAJR0lEQVR4nO3dTWwU5x3H8d/sLl6K8RCpvNRl+xKpbepVlVZJJTi0JBc4JKKq6j00SpUmHBJFKOADlEqufUiaAzUHQw5pcoiKVCeptO4BmhxMldICle20Uk/rppBKEcOLwSEway94Z+Z5elg2NY73Zd52vf/8PsgyZndmHvHlmZ2ZHRtDa62vloELJaDoAa4GdYCUAfQkgW+uA7Z0AcbVRa2n7XYPi8LYZgKp86XKF71dwAPdlcq0+hU94IMF4EoZ+E8JSNhu5QF... | 1 |
math | algebra-1 | linear-functions-over-unit-intervals | false | true | How does f(t) change over the interval from t=
–
5 to t=
–
4? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABxBklEQVR4nO3deXgU95kv+m/1ol1CQgIJBBI7RiAJY8BhERIBG2xsHHA8ODmJxxnPxHjLPbl3kseTyeROcnx9fe4kkxMPYOyZTGznZJ5MmGAngAXGRltEjIwMAolNCNACaGmpJfVe3V11/2haSGzqhvqpuqXv53l4VGp1f/VS1V399qvqaklVVRVERERERKQJg94FEBERERGNJmywiYiIiIg0xAabiIiIiEhDbLCJaIhDhw5h2rRp2LBhAwDg8ccfxwcffAAAuHr1Kg4... | [
"f(t) decreases by a factor of 2",
"f(t) increases by a factor of 2",
"f(t) increases by 2",
"f(t) decreases by 2"
] | null | 3 |
math | pre-k | select-solid-shapes | true | false | Which shape is a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAPrUlEQVR4nO3dW2xbdx0H8K9dO7ZPHDtxbk2bNG6ba9OupduoNo0hKAgJNomhiXER2niYECAuQggE0p5A4qJNIB4oaDwMgZj2wgYdo12bdRtps/Wepbe06Zo4SRPnZie2YztxZx7O+fsSO/Gxfezjc/6/z8sc27H/U7/993/+l98xxOPx+MwqMLoCBO4BsTgIqTgmA1CzBegUgOYqwDATjcfPLqvdLELkO+QATLdWxB9aqoDuajHVhFSawD1gJARMrwI3VwDjckx... | 2 |
math | grade-1 | identify-halves-thirds-and-fourths | true | false |
Which figure shows fourths? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIIAAAB8CAYAAAClm2iUAAA2H0lEQVR4nO29eXxcZ33v/z7L7NJotO+7bMmyFkuWvDuJs9hJSEI2EhIIpC1cQgsFCr20vbdl6S30V/iVQoFALy0E0kCAkIQkxCGb7Xi3LFurte+bpdEymn3mLPePkWXLkhxHi21af14vvfSamfM85znnfM7zfPdH0HVdHwlBhw/cKig61/HfALIA0RKssUKyEYSRoK4fn77aw7qOq4nNdpDbfZEPqUYotEVYch3/9eFWodULwyFo84E4rUR+uE6C/16IliLPHMC... | 0 |
math | kindergarten | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAXZUlEQVR4nO2dX2wTV77Hv2n+OcGxzdrOH7BJqGxDdkGZBpa9RNBSgnSblmqh0obtviR0H/b2StvSZXUfgq4apAsrXaksdFfq9qGQPC2bSrfpJht6dQmbFghXWUgcgTbEziUOk2yC/yj+V8fOH+U+TM4kjp0SyIxnxj6fl4TxMD7x+fjM7/zm/MlaXFxcnJoFRiJAaAGYXwSFIjtysoCibMBaCJTkAVlTscXFvqDUxaJQ1s+PNECOM8L9oywP2LGJs5pCkRuhBWD... | 1 |
math | calculus | determine-one-sided-continuity-using-graphs | false | true | Is f(x) continuous from the left at x=6? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACEB0lEQVR4nO3de3xU9Z0//teZWzK5X0kCmHATFEjCxaggKBZFq1UL1mpbtXbVXbtrbbtru/12tb9tdd3uWtutVeu2db1tu13desdIQRBoUC4RAgkIIUBICLnPTOZ+rr8/JhMIEMgk58PMJK/n49GHZTLnnU/OmXPO63zmcz5HMgzDABERERERmcIS7wYQEREREY0lDNhERERERCZiwCYiIiIiMhEDNhENsn79ekyZMgU33ngjAOCmm27Cm2++ecb3KoqCyy+/HJ988sn... | [
"yes",
"no"
] | null | 1 |
math | algebra-1 | special-right-triangles | false | true | Find m. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC+CAYAAAAP4XhrAAAZ/ElEQVR4nO3dfXSU1YHH8d9MEhKYQIJSCLVIaatlUUC7vuCuJcQqWldW0VRCbbeAelDPHmEVF+SwItYT0S4vrVKVwIJVIUAQqIIEtQKmvlRAQlARKArYkygEJ4SZzGRenv1jnLwRyGQyyczzzPdzTk4y4ZmZ+8R/fnO99/5shmEYAgAAABAT9ngPAAAAALASAjYAAAAQQwRsAAAAIIYI2AAAAEAMEbABAACAGCJgAwAAADFEwAYAAABiiIANAAAAxFDSBOzV73v1jYt... | [
"$9 \\sqrt{2}$ meters",
"18 meters",
"9 meters",
"$3 \\sqrt{6}$ meters"
] | null | 2 |
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 = 3? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAg/UlEQVR4nO3da3TV1Z038F8ANVwKkYtaJJIuSyChSDD1GaBrTLCr07EDT72NtKuUSxWbuuxo6dOuvrBtWmeNg6uDlpm2Pmrl0mdmHLSljs442tUa21VDL2mDl6hx2kmaDDgVNCJEcMDzvGBISyHczs65JJ/PG3POPzn7G+LifLPZe/9LMplMJgAAgCSG5TsAAAAMJgo2AAAkpGADAEBCCjYAACSkYAMAQEIKNgAAJKRgAwBAQjkr2Hv37o29e/fmajgAAMiLnBXs1tb... | [
"10",
"2"
] | null | 1 |
math | grade-8 | base-plans | true | true | What does this object's base plan look like? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADUCAYAAACmjlRXAABHf0lEQVR4nO3dfViT99k38C/iK4pAq7ZVZ1B3+9LqLUq7uueYBtfatasK4rO2Kh3QKdKtlYROV0WbUKGuupJgu03BGVyp1O4Wgdq7lrY3UfYcpVNq+miLdI8YHKAYJxHEFxB5/oi5CjFCINeVK8Hv56+RAvkx7dHzOjl/39Ovvb29HUREREREJIp+ch+AiIiIiKgvYYFNRERERCQiFthERERERCJigU1EREREJCIW2OQ2q9WK+Ph4+Pn5ITU1FVarVe4jEREREcnGjyk... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA8gAAADwCAYAAADck01fAABjGklEQVR4nO3df1RU97U3/veIP5FfJmKiWIF4KyHRq4hW8r3RgSRa0wooeZ4kKClDrhJybxoYcrXV0TBU0VYTZrBJyw8r2PJDeysi0idU48MIWaukSpw8WhF71SEFFDEygqCiyPePcU5AAYE5M2cG36+1slhMmDPbjJPFPnt/9pYB6AIREREREYmiq6sLlzuA/2kHWjuBu/xtm8hujZQBrk7A952Bp0YDMjBBJiIiIiISzeXbXfhbi9RRENFgLXADRkodBBERERH... | 0 |
math | grade-7 | apply-addition-and-subtraction-rules | false | true | The number line shows two unknown numbers, t and u. Is t+u positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAIGElEQVR4nO3dW0yU+R3G8ecdnAMM7ohUVFQg2SCUYKiCCNYE1+2FW2q7WBtjNqs2Jh6IiRdN1/ai3XTDmnhj0kQbiDZNvCBeNLgbw6bZpN2CScuxhiwRWLoR8YyighxmGIbpBTIskZN1eN+B+X6u5v3PXDzJkPDw5/f+XyMYDAYFAItIZWWlDMPQgQMHrI4Ck/CdA1hMllkdAABe1507d6yOAJPxnQNYTOZdsP1+v5qbm1VfX6+kpCR2Ef4PQ6Mv9MXtCt0Z6FBnX5P... | [
"positive",
"negative"
] | null | 1 |
math | grade-7 | which-is-the-better-coupon | true | false | Which coupon should Danny use to save the most money on a set of juggling balls originally priced at $7.00? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVAAAACmCAYAAACMVNdpAAAwuElEQVR4nO2deXwkZZ3/31V9ppN07vuaXHMPMAyHHKODB4oIjqscCrqsCoKI4vFTUXddF+8VXQVUFEUFQXSVERQGUIEdGA5nBoa5J8lMks59X93ps+r3R+foK0mnujrpzjzv12tekOqqb6rSVZ/6Ps/zPSRVVdUeLzS7YDwAfhWBQCAQxMAoQbYBGm1QYgapx6Oqr4wt92kJBAJBenGuHYxNruAPZWZYkxlUV4FAIBBEMx6AY07o9sJxF8hj/uAHQjwFAoFgfrI... | 1 |
math | grade-2 | purchases-do-you-have-enough-money-up-to-1-dollar | false | true |
A dog sticker costs 21 cents. Do you have enough money to buy it?
| "iVBORw0KGgoAAAANSUhEUgAAAvgAAACtCAYAAADF/guOAACQiklEQVR4nOzdd5gb1bn48e8Ujbq0q9V2by/2undsYxtDwKa30FuAhISbSxpwE3LDTbtJbn7pnfQEElogGDDN2KYYDLjbuLf1enuv6tLM+f2xXsWLbTDghnM+z7OPvaPRaM7RaPbVmfe8owghBJIkSZIkSZIknRLUE70DkiRJkiRJkiQdPTLAlyRJkiRJkqRTyFEP8HuTgrLF/Ux6aYDepMz+kSRJkiRJkqTj6X0F+E+2JPnW9ti7Bu6vdKaoi1hs6DO5ZW3kQ++gJEm... | [
"no",
"yes"
] | null | 0 |
science | grade-3 | identify-materials-in-objects | false | true | Which material is this milk carton made of? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAvi0lEQVR4nO19e5AkyV3el5lV1d3T3TO7Ozv7lO52732n29vHzIoT0nEiOMT7YfjHEBhDKCTEw5ItEQ7bGAdgIcRDDoOFRcgSVgQPg8GYkI0RDxmH8ekEN7t7b4mHOZ/27rS3r5nZnZ7p7qrMn//ozr6cmnpkVVd318z2FzEx3fmqrK785fd7ZGUCU0wxxRRTTDHFFFMUDIbT7550H24FcDBUwNAAMAOiJkBzAM0CrAqgllCXANoAWAtgqwBaYFgDsU0Amzj/8fY4buB... | [
"plastic",
"polyester"
] | null | 0 |
math | grade-5 | scalene-isosceles-and-equilateral-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB6CAYAAACFmCTJAAAfOElEQVR4nO3deVzUdf4H8NcMN4Igl4KKiSAKcgoqHtyuR+ateGCSNqO23b/azbV1LTvdDtta27Cs1Eo0y+ywdRMUEUbFxBtkABVRQA4RZIBhZn5/IN9kqxV0Zr4DvJ7/9f0O3++LHv3x4tN7Ph+JTqfTgYiIiIiI9EIqdgAiIiIioq6kUxTs4OBg9OvXD6tXr0ZxcbHYcYiIiIiIfpfE1EdEdu/ejWnTprW5NmnSJCQlJWHu3LkipSIiIiIi+m0mv4K9bdu2X13bs2c... | [
"scalene",
"equilateral",
"isosceles but not equilateral"
] | null | 0 |
math | kindergarten | one-more-with-pictures-up-to-5 | true | true | Count the boats in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAA/GElEQVR4nO3dd5Bl53nf+e+54dycO93OaaZ78gwwAAcAwSEIQiJFWTQlUrJXliXLQWV7tbteS+uwDrW2q7a8VWvvrlUuayVrlShLlsUIQCIBEgSIMJhATOrpnu6ZzvH2zfnccN79497u6Z4MYPI8nyoSg77pnPPOU/3De9/zvJpSSiGEEEIIIYS4Iyz3+wCEEEIIIYR4lEjAFkIIIYQQ4g6SgC2EEEIIIcQdJAFbCCGEEEKIO0gCthBCCCGEEHeQBGwhhBBCCCHuIAn... | null | [
"iVBORw0KGgoAAAANSUhEUgAABIYAAAB+CAYAAABRYRpnAAB3XElEQVR4nOz9d3gcWZrf+X4jMiPSewCJhHckQNBXsXx3sat9T89Mj+kx2ukxGmnldXelGV1p9mqllbTPs3f13Ks1M9LVyI3Gamzbqurpru6uLs+iKVaRBAkCJLxN733GuX9EIgHQFFFVNCB5Ps/TXSTSIDJOvslfvHnihAIIJEmSJEmSJEm6LYQQrFXhShFyDajLtC1JkiTtIlYFPBbY44SwDgqyMSRJkiRJkiRJt81aRXAye6+3QpIkSZJu7QkvWO/1RkiSJEm... | 0 |
engineer | grade-7 | evaluate-tests-of-engineering-design-solutions | false | true | Which of the following could Victoria's test show? Kristen's back porch got too warm in the summer sun. Kristen thought that the porch would stay cooler if it had a roof to provide shade. She wanted the roof to keep the porch from getting above 25°C and to stay up in rainy or windy weather. Before she built her roof, K... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAEICAYAAAA0p80lAAEAAElEQVR4nOz9ebwt613Xib+fqarWtOfhzHfKHTIDgYQZCQEhdhMxQVAkBDCCRlpbjMYItraiKGr/figtNrRKqxgJQRQbmWLAQGbIfHPn4czDHtdYwzP0H0/V2nuf8ebuc9j33pzvea3Xc9aqvaqeelbVt77D5/v5ire97W2B23JbbstteR7JP/2n//RAjqsB3vIj/2hfO9mvxg3hYHX2/o8vb8o8riXXm58X9d/sY/9un7+gEOK622+0vvtd/+f79w96//sRFUB7z0y... | [
"how long the roof would take to build",
"if shading the porch would keep it below 25°C",
"if the roof would stay up in bad weather"
] | null | 1 |
math | algebra-2 | match-exponential-functions-and-graphs | true | false | Which graph matches this equation?
\[ y=4\left(\frac{1}{2}\right)^{x}+3 \] | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVUAAAE1CAYAAABX+HN0AAAinElEQVR4nO3dfXRTZZ4H8G+SpulbaIWmLe8UkJb3QsehgEOFEXlZmRWcUWBRAXEFqTu7K2cHZg+n7DkDMo7D2Z3DUXy3s4zoCIxLUaSgcERtKy0ERqGAQHntG7ShpSVJk9z9I+QmpS305d7ce5Pv55wekpt77/Mjab69b89zdYIgCJVO4McmoMENuAQQEVEHRegAswG4PwZIjgR0lQ5B+K5e6bKIiLRvQg8g4kyT90nvSCAt1pu4RETUMQ1u4FQjUOEETjcB+nq... | 3 |
math | grade-1 | subtraction-sentences-using-number-lines-up-to-20 | false | true | Which subtraction sentence does this model show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABhCAYAAADsidaRAAAWaklEQVR4nO3de1BTZ94H8G+4ySIQUEGlS4nQBYtF8FIB3S5eRnuvulZWO52Ku9bW7r5uteNYW3eqLbvatRedstOp25m1bhdHxQVrdx19XyvBKXIRQVcZ7VYNSAOWgEHCRYjk/eN4AhEVEg6cc5LvZyaT5CQTfz8JnG+ePOc5GpvNZgMR0QBVW4Al/wec/BEoXQhMDZO7ItewDyIiGigvuQsgIvU7aACScoRQp2bsg4iIpMCATUQDcqMDWPS/wNqJwLYUuatxHfsgIiK... | [
"9–5=4",
"10–3=7",
"8–6=2",
"8–3=5"
] | null | 3 |
science | grade-4 | use-evidence-to-classify-animals | true | false | Cartilaginous fish are a group of animals with similar traits. The following traits can be used to identify cartilaginous fish: They have fins, not limbs.
They live underwater.
They have a skeleton made of cartilage.
They make eggs with no shells. Observe the animals and read the descriptions. Select the one animal tha... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACmCAYAAACcAuREAAEAAElEQVR4nOy9d7wlVZn9/X32rjrn3Ny5m4buRlI3jeQMjaRGBTGDwIiAipgBFRxxnBkDYxjUURmVMWcGxZwxEUUEJIjEhqZzvPneE6p2eP/Yu869lwzq+P6glp9jc0+oeMKq53nWWnLjsPeLu6BHU6JEiRIlSpQoUaLE3wWjFu4ZBxkx3pfEs0SJEiVKlChRosTfG6MWxHvv/9EbUqJEiRIlSpQoUeKZgWTyH/903oF4EUQElODFISI453DOYcjRXuG9xwloral... | 1 |
technology | grade | logo | false | true | This is (part of) a (former) logo of which computer related brand? | "iVBORw0KGgoAAAANSUhEUgAAAV4AAAEsCAYAAACLwdvQAAAySklEQVR4nO3deXzU9b3v8ff3N2smmWQySSaZbJNkEgKEHVmURaFQthAS0tar9/S0Puxtb70eq4KshVJQFlm0au3j9Lan7ek57W3PQRABRRQX3BBFRFYhe0LIvs4++X3vH4BFyTJJZuY3v5nP8y+RIfPJ8nvx5beyT0+eByGEkOARpB6AEEIiDYWXEEKCjMJLCCFBRuElhJAgo/ASQkiQUXgJISTIKLyEEBJkFF5CCAkyCi8hhAQZhZcQQoKMwksIIUFG4SWEkCCj8BJ... | [
"Fujitsu",
"Maxtor",
"Toshiba",
"PlayStation"
] | null | 1 |
math | grade-6 | interpret-histograms | false | true | In a study on public parking, the director of transportation counted the number of cars in each of the city's parking lots. Which range of cars per parking lot occurred least frequently? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAF8CAYAAAD1tsxgAAA7sUlEQVR4nO3deVyU9cL//zerbApuSCNqKZq5JWJpgQscwRS6sSwz0zbaTFu/LdY5p4fn7pzDndWxvEszte3UMSvDE1SKJnasNA0j0RQlS2RRURZld2B+f/hzbonFIa9hZuz1fDx6PLj293DN5HsuPnONm8VisQgAAACAIdwdHQAAAAC4kFCwAQAAAANRsIF2smfPHt17771atmzZb1puhDVr1ujee+/Vl19+abdjAADwe+fp6ABwDUePHtWnn36qPXv2qKKiQgEBAQo... | [
"6-10 cars",
"1-5 cars",
"21-25 cars",
"11-15 cars"
] | 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? | "iVBORw0KGgoAAAANSUhEUgAAAmwAAAGZCAYAAAA0Im0SAACQZElEQVR4nO3de1xb9f0/8FcSLgESoOUeaGlLSWpvVJLeVmdpndeS6nRVod72U4lubmrBzU0nYbq5TdBtXqF+p1YFnU4dadV5aam3tja0pbWX0HsLobTlGu4kfH5/0JzmcCkUcj15Px9WyMnJ+XySljfv87mKGGMMfqyh4SyOHTuO7u4uiEQiT1eHEABAYGAgYmPjMHnyZE9XhQgYxT/ijSj+DS3A0xXwpL6+PtTV1YGxPgQFBXm6OoTwNDScRUJCAgIDAz1dFSJAFP+... | [
"neither; the samples have the same temperature",
"sample A",
"sample B"
] | null | 1 |
math | grade-2 | purchases-do-you-have-enough-money-up-to-1-dollar | false | true |
A black marker costs 80 cents. Do you have enough money to buy it?
| "iVBORw0KGgoAAAANSUhEUgAAAvgAAADECAYAAADqBVUcAACp80lEQVR4nOzdd5iU1dn48e8zfadv741d2tJ7FQQUQexdIxqNLYk/TdREE9PfqHnTTPImahJjjWjUAAKCSFFQepW6LG3Z3sv0fn5/zM4DS0dRFM/nurjYnZmnnTk7ez9n73MfRQghkCRJkiRJkiTpvKA51ycgSZIkSZIkSdLZIwN8SZIkSZIkSTqPnPUAvyMsKF7sYshyNx1hmf0jSZIkSZIkSV+kMwrw59aH+WV54KSB+4ctESp9MbZ2Rrljk+8zn6AkSZIkSZIkSaf... | [
"yes",
"no"
] | null | 0 |
math | grade-1 | ordinal-numbers | false | true | The first picture is a fish. Which picture is sixth? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAoPklEQVR4nO3de3hU5b3o8e8kE01mknBnAgRLgKAiIVyOkoBwaEEUfCpoEVS22pIjdXcLwpbuiqBCGwpVLCi6ZYvgpUcUsCh2EzY0WAtF4nPkkgTBOoQgRJNBieY6SCYz54+VmdzmsuaSzGTW7/M8eUxm1lrz8rp+a/3mXe9F53A4HAghhBBCCCFCIibcBRBCCCGEECKaSIIthBBCCCFECHVYgv19g4O0fdWM/rCG7xukF4oQQgghhNCGgBLs98sbWPX5Za+J80ff2jh... | [
"sub",
"turtle",
"fish"
] | null | 1 |
math | grade-3 | compare-area-and-perimeter-of-two-figures | true | false | Which figure has a greater perimeter? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJ4AAABmCAYAAAA6RCgPAAALY0lEQVR4nO3df1CUdQLH8fcuC4KRCio/AkESUcNTRAkVf5bYhSdWphFidlbeoSAseqeecKOn5oDeNJmGkzpzc9NZ6EQjNmPXUVntcEo4Djm64/mj3J3aPBwX2yKXX8/9sbH5Yxe82N3v7vJ9zTCKz7PPfsSP++w+3+f7PCpFUZRvW+FiC1g6oF1BklxOo4L7A2Bkf4gMAtW3VkWp/050LKkvSR8Amgsttm+ig2DUfbZWSpKrWTrg/A9gaoX/tID6u3bbAlk6yZ3... | 1 |
science | grade-3 | identify-properties-of-an-object | false | true | Which property matches this object? Select the better answer. | "iVBORw0KGgoAAAANSUhEUgAAAKwAAADQCAYAAACa0YpiAABcy0lEQVR4nO39d7glV3XnD392xZPzzbn7ds5ZLbWEAhIIIUBEYwxjxhj79ZixHwZmxjPY4/GP9/3NwMDYfgxjGw9iAI9lMEISSAhJKMfOOffNOZ0cK+z3j3Pv7dtBQhJSJ87neVqqc07dOruqvmfV2muvvbaQUkqAUqnE6OgomUwG27apUeNyo2kaoVCIpqYmPB4PAEJKKYvFImfOnKGjowOPx4Ou65e5qTVqgGVZlEol+vr6WLJkCR6PB1EsFuWpU6dYs2bN5W5fjRq... | [
"sour",
"colorful"
] | null | 1 |
math | grade-5 | classify-triangles | false | true | Is this triangle isosceles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACzCAYAAACzf2u1AAAkcElEQVR4nO3de1xVdb7/8dfeIJGAIqKQ5BUzMkHz2IgxjRjHY2nej1K2eZRWU6T8HB0lyfB+I3XEvGSn4yXjRBqaoJNSXiKTEB1LqTQTmSTvIqAgyGXv3x9NnDzeAIEF+H7+pWvtzX4vL4/Hmy9rfT8mm81mQ0REREREqoTZ6AAiIiIiIvVJWcHu3bs3bm5uhIaGkpycbGQmEREREZE6y/TbLSINGzakoKCg7ET79u157rnneP7552nbtq1hAUVERERE6pKygt2yZUt... | [
"no",
"yes"
] | null | 1 |
math | grade-2 | fractions-of-a-whole-modeling-word-problems | true | false | Philip is eating meat loaf for dinner. Meat loaf is not Philip's favorite food, but he is really hungry! Fortunately, he has lots of ketchup. He cuts his serving of meat loaf into 3 equal pieces. Which fraction model represents one piece of the serving of meat loaf? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUoAAABKCAYAAADdXh2xAAACHElEQVR4nO3XsW0TcRjG4fdsJ0VIoEEgBgAKBkiRFcIGTMBATMAEkBXSpKcIoccIKjuxlBDrT3GyRPfZKMZW8jyNfbo76dMVv/uua6218U3ybZZM58ltC8CDNuqSg2Hyci95vpt04+vWziabHgtgOx0+TkYXs/7gxW7y+lFfUYCHbDpPzq+S7zfJ11kymNz2J0QSoHcw7JuYJJfzZDD/6wQAvUUTf7dksNlRALafUAIUhBKgIJQABaEEKAglQEEoAQqjVW/ojk/... | 2 |
math | grade-8 | parts-of-a-circle | false | true | What is \line{HI}? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAnpElEQVR4nO3deXhU9cH28XsmyWQhgYSEsEoSwk5YRPZFdpSCLKK2KO4KbdUXbatVHlpsfXy0u7Zq1YJQLAq2KqJYZN8XQZaEEMISEmTJnkBC9mTePwKHiVkACZwzk+/nunJx9rknzB/3OfmdMzan0+kUAAAAAI/gbXaAG8Fms13T/pwDAQAAwF00iIJPQQcAAEBDYTc7AAAAAID6Y7fZbNqwYUO1FYMGDVLLli2rLU9OTpbNZtPbb7+tefPmyWazqays7LoHveuuuzR... | [
"diameter",
"chord",
"center"
] | null | 1 |
math | grade-5 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADLCAYAAABUDuQZAAAmgklEQVR4nO3deXxU5d3+8Wsmk5WQBLKRBQJBQARFkAiyCiogiuygFesuSK2Pa391e2nr1j5W7WNFVFCpogVkEVEBFRBZDARBZN9JyEpICCGEZDKZ+f2BTDIWlcBMTubk8/7rPnfN5MKiXpycc38tLpfLJQAAAABeYTU6AAAAAGAmFGwAAADAiyjYAAAAgBdRsAEAAAAvomADAAAAXkTBBgAAALyIgg0AAAB4EQUbOIPnNvxbveZOVPaJQqOjAAAAP2Nh0AxQo7Lars4... | [
"2 pairs",
"no pairs",
"1 pair"
] | null | 1 |
math | grade-2 | identify-faces-of-three-dimensional-shapes | false | true | Does this shape have a circle as a face? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEoCAYAAABiqYaBAAAZW0lEQVR4nO3dz28jeXof4LeqKKn1o0WR6plZr7HrHcA29rLABggQIAFiIDnknkv+vpxyzsEBklsOOQQIAnsNJ2vYyE7GyXpnYk93j8gixRarciCLUk//oqgiq4p8ntNsd6+a0unTL973803KsiwDAACoRdr0BwAAgH0iYAMAQI0EbAAAqJGADQAANRKwAQCgRgI2AADUSMAGAIAaCdgAAFCjXpN/+e20jG+/eRMREd/87k3cTouIiHj9ah6vX9299WcXv/+4N3FOniX... | [
"yes",
"no"
] | null | 0 |
math | grade-1 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAMvElEQVR4nO2dT0wbVx7Hv7YHM2CH2CH8sRsaDE1WgiRV4/xRVVY1K2W1B7KXlZJbt/TQZKWNVG0rNVppuyTZw2alXXWlHJo9hCi3KJdqYQ+raENa0ValkNIUiBoEJiXFCYaaNjaemDGzB9cJBLDfeMYzz8zvI3FBb37v53m/78x7b977Pdurr76qhEIh6MFHH30ERVFA9gq319fXp4stswmFQlzfZ6vZE0KhELq6unQxeObMGSiKQvY02NssUFzxZc+uiyWCILiGhE4... | [
"slide",
"turn",
"flip"
] | null | 2 |
math | grade-2 | fractions-of-a-group | false | true | What fraction of the shapes are squares? | "iVBORw0KGgoAAAANSUhEUgAAATEAAADeCAYAAABVADeLAAAb7klEQVR4nO3du3PbSJ4H8K8AiiBBUpBN6i2LU3aVPJJrfXdlZ1ue2PE6nmQTbdVdsp5w9i64ug3PTu6qVsn+B554JrVrMk/t3W7ZPKvKqqGsp0VZBh/NhwjwAor0eixaDRAgCPL7SSawCXR/h/4BbKC7J1qtVgtERCGlBN0AIqJ+sIgRUaixiBFRqEWCbgA5Y+ZKAICmaAIAInr7f6GxlgqsTcOIOckZhZxYxIZUJS9w8tMp3ueKKP8sYFUtqc+pcRXJL3RMr00hfec... | [
"2/7",
"9/12",
"2/10",
"3/6"
] | null | 2 |
math | pre-k | wide-and-narrow | true | false | Which birdhouse is wider? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANAAAACoCAYAAACR1WDYAAAelElEQVR4nO2dSWwk6ZXff19kRGbkvnAtklXcqrur1NXStJbWyKPFbY2s8SLYcxnAY9gnwzffDPjug2HA8MUHw/bJHgxmYAujltQez8A9o9FAsjWSPK3euxZWkUVWFXcmc8/I2HyIyCSTmaxKMpO5kN8PaKArGRn5ZUb8473vfe+9T7iu627VYKUMBRssF4lEcgqqgHgAXorAVBDEluG6v8gPelgSyejx5QSoD8reP64F4ZWopy6JRNKegg33SrBZg/tlUPKW9wc... | 0 |
math | grade-4 | compare-fractions-in-recipes | false | true | Does this recipe call for more salt or black pepper? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAHMCAYAAADvfN8VAAB6XklEQVR4nO3de3zO9f/H8cd17XxihjkmhUoMsVI5k0hWSFH4fqWynJoK+TrOMUVa/eaLyLeQc1JIoVIpp8WwmDOZ0052svOu6/fH7GqXHWxcs9Hzfrvt9v1e1+fzeX/en8+m6/l5X6/P+2Mwm81mrjKbzZhMJjIzMy0/RqMRBwcH7O3tsbOzw2AwICJypzGbzWRlZZGZmUlGRgYmkwl7e3vLj9Fo1H//RESkSAw5AdtkMpGVlUVGRgYZGRk4ODjg4uKiDxQR+Ucym82... | [
"salt",
"black pepper"
] | null | 1 |
science | grade-6 | identify-elementary-substances-and-compounds-using-models | true | true | Look at the models of molecules below. Select the elementary substance. | "iVBORw0KGgoAAAANSUhEUgAAAKMAAAAiCAYAAAAzgGn9AAAGW0lEQVR4nO2bX0jTXRjHv5OduaWbW1dB7hcS5shp5UV50UsQFWV/3GUGQqSFuuhGE+uFrCD/YWiU1sXsKijoZpKWeFu+UOAQp2AXRvwyqKScM3Hbkfle2N63t/07vz/N3wvnA97sOed5nuF3v/M7z3OObm1tbQ0cjgbI2ugEOJwYXIwczcDFyNEMXIwczcDFyNEMXIwczaBXMjkUCoFSinA4DEojAABCDMjOzgYhBEajUZUkM43P58OHDx8wMzMDURQBAIIgwOFwQBA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVIAAADMCAYAAAAhzitoAAAgX0lEQVR4nO3de5hV1WH38e++nDP3GzcVmFEC6HhBRNHQ5qJpjTUxPmD1NRE19UViVSw1gjSpb5SkinjFqGCaoDGpVmseHzUSY9Wn1TeiSRVeAtpCAatclOE+93POvqz3j3OZc2YGGWYPcAZ/n+fZzMzZe/be6zDzm7X3WnstCzCIFIF3mg0nVECVc7jPRKR3rQGsa4dPUlDnwhdr06/bh/WsRPIoRKXYVTnpn1OAtqDrdQWpFA2FqAwG2Z9TL+9aXkEqIhKRglR... | 0 |
science | grade-4 | use-data-to-describe-climates | false | true | Which statement best describes the climate of Riyadh? Hint: Summers in the Northern Hemisphere occur in June, July, and August. Winters in the Northern Hemisphere occur in December, January, and February. Riyadh, Saudi Arabia, is a city in Asia. It is located in the Northern Hemisphere. It has a subtropical desert clim... | "iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAD7pUlEQVR4nOzdeXyU5b3//9fMZLLvOyErELIQlrAFwi6CKLKDiBuox6qtp7bHflvbepZfz6mn5/TYc9pq22NPK+4isihhEUEJixBAE0IgCUkgZAGy78ns1++PNCORAEEmmQE/z8fDh2Tmnrk/M3PPzHuu+1o0SimFEEIIIYQQwiG0zi5ACCGEEEKI24kE7OvIzs5Go9Gg0WgYP368s8sR30Lr169Ho9Ewbty4m76v0NBQ+/Hc859WqyU8PJxHHnmEyspK+7bl5eX2bZq... | [
"Summers have lower temperatures and lower precipitation than winters.",
"Winters have lower temperatures and more precipitation than summers."
] | null | 1 |
math | grade-1 | which-tally-chart-is-correct | true | true | Tim baked some cookies. Which tally chart shows the right number of each cookie? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADhCAYAAADyOcJJAACFAklEQVR4nOzdd5xcZ3X4/88t09vuzmzVSlqtpFWXLcuyLAvcC9iG0M0XEuNQYooNIRhCSEwIEEgIJZhiAr+ElgCmmmpjjLFl3GRJtnovq12ttsy26ffOLb8/7haturSrlSyd9+vFa70z9z73mbujF2eeOc85iuu6LkIIIYQQQogJoZ7tCQghhBBCCHE+kQBbCCGEEEKICSQBthBCCCGEEBNIAmwhhBBCCCEmkATYQgghhBBCTCAJsIUQQgghhJhAEmALIYQQQggxgST... | null | [
"iVBORw0KGgoAAAANSUhEUgAABDcAAADhCAYAAADcZV72AADOB0lEQVR4nOzdd3hc5ZX48e8t04vKjKolW5ZtuQO2AWNM6C1AYFMIhPxCSEiWZAOpJJueLJtNzxJIsqRs+m4Sh2wgBAKhBQwYbGyDjdyLLEuWVUZternl98eVJQvJlmy5cz7P40fSnXvf+861NNKce95zFNu2bYQQQgghhBBHhKIox3sKQgjxhqMe7wkIIYQQQgghhBBCTIQEN4QQQgghhBBCCHFSk+CGEEIIIYQQQgghTmoS3BBCCCGEEEIIIcRJTYIbQgghhBB... | 0 |
math | grade-4 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABsCAYAAABQF8VPAAAXBUlEQVR4nO3df1TUdaL/8ecMvwRUQARcJS2MNEpdpZvMKo6G1k5+AQMRCCo0V6/udnfr5t1fnu7unuzu3jyr3XL93vCqyTEXsYS0tBatq26xu9HXrJivYnJTV8xJFIVhgIG5f7ixWVoCM3xAXo9z5hxk4P1+jX+9/Pj+YfJ4PB5ERERERMQrzEYHEBERERG5nqhgi4iIiIh4kQq2iIiIiIgXqWCLiIiIiHiRCraIiIiIiBepYIuIiIiIeJEKtoiIiIiIF6lgi4iIiIh... | [
"acute",
"obtuse",
"right"
] | null | 2 |
math | pre-k | count-scattered-shapes-up-to-10 | false | true | How many shapes are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAFfCAYAAAA707goAAATq0lEQVR4nO3dSW7cxtvA4eInNwytok3gYSPkRIEBHyQHM2DkSNp42CkrwWgL/C8iJvqUHsjmUFVvPc8JCmANP5Wa3V3f930CAABC+L/cAwAAAJYj8AEAIBCBDwAAgQh8AAAIROADAEAgAh8AAAIR+AAAEIjABwCAQAQ+AAAEIvABACAQgQ8AAIEIfAAACETgAwBAIAIfAAACeZV7APDcjy8/09dP96nf97mHclK369K7jzfp9XtLCAAoixt8ilFL3KeUUr/v09dP9+n... | [
"7",
"2",
"3",
"1"
] | null | 0 |
math | grade-1 | match-analog-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEJCAYAAADhBFPCAABQpUlEQVR4nO3de1zT970/8Fe4BVBIUC4CagJaEbwQL/VaIVStba2Ka7utlxU8Z+12dtoVt3Xnsq3gbuec9Wzi2u1sa/sz1nbdurZi1bZqrRFvxSoGrVysQFAUEZQEBBLC5fcHknIJyTchIRdez8eDR0Py+X6/7yJ58P5+8v68P6Kenp4eEBERERGRT/BzdwBEREREROQ8TPCJiIiIiHwIE3wiIiIiIh/CBJ+IiIiIyIcwwSciIiIi8iEB7g6A3M/U0QWTsRMdxk50GLv... | [
"6:00",
"5:30"
] | null | 0 |
science | grade-3 | 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. | "iVBORw0KGgoAAAANSUhEUgAAArwAAACtCAYAAABSr6xUAAAyOUlEQVR4nO3deXhU1f0/8Pfsk8xkm2xkJ5CwBFmD7CqgsmhVquCCrbXV2lZtba1W/Wr77e+xfqvW2qpVWzdcUIuIC1qqgoAsZYewQxKW7AnZZpJJMpnlzu8PhLqEZCaZmXPvnffreXgeCDP3fpKc+dzPOfecczV+v98PIiIiIiKV0ooOgIiIiIgonFjwkqwtWLAAGo3ma39SU1Nx8cUXY8OGDUEd68CBA9BoNNi0aVPQcfh8Pjz00EPQarX461//GvT7iYiUQg551+f... | [
"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 | 1 |
science | grade-3 | identify-solids-liquids-and-gases | true | false | Select the gas. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AAAqy0lEQVR4nO2dWYik2Xmmn3+PfcvIvSq3quqSutUtaSQPNvTM3BgbGQ0I60LYagwW7hsvko3wnbExMgLbIDBqsK9kpAtjkMHgARt6GBirfaPpltTaLHVXb1W5bxEZe/zLOWcuTkTknlnV2VUZkfk/kJWVEZmR8Ue8+Z1zvvc73zFerSl1Nw1Zi5iYJ0pDwBstWA+gaMPzBX27GQsy5rLIWnA3rf/fFPu3m7EgYy6Tvv5CtX+beTlPJSbmdGJRxgwdsShjho5YlDF... | 1 |
math | kindergarten | flat-and-solid-shapes | true | false | Which shape is flat? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMwAAADMCAYAAAA/IkzyAAAVKklEQVR4nO3deXSU9b3H8fc8s2RfIAtkj0hYBGQPi4ooQorK1eJS8bS9ved42tN6T09v9bT33Ht7Tm9bbQFR61aqvb2ihEVFFBCVokCR1AtkgSCQsIZAwpKYfTKZ7bl/zGSYgCgP5JlnZvJ9ncMh85vJPL8hfOb3zO/5fX8xqaqqnnXCUTt0eMCtIoTws5ggyQxF8TDEBqazPaq6u93obgkR/qYlg+WI3XcjywYjE3xpEkL4dHigpgsanVBrB6Xd7btDwiLE5ZL... | 1 |
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. A gas stove created an open flame for cooking by burning natural gas. A candle burned paraffin, a... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAADOCAYAAAB4pWlzAAEAAElEQVR4nOz9ebQkWXneC//2jjHnM9apuaqrq7u6u7obaJoGxKRmEBIgIUAMsgS6yJav7CutT8jyIPtaV9fWWlfWXda10YBlZIEQRpYFEshYyIhBYhI90hM9UV1d83TmnGPa+/tjR8SJzJPnVBXdgIZ4auXKPJkx7NgRWfnE877v84p71rU+UoOGRYkSJUqUKFGiRIkS3xJ0EniiB6Ida10SzxIlSpQoUaJEiRLfanQSEFpr/Z0eSIkSJUqUKFGiRIm/G7BH/1Q... | 1 |
math | grade-3 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABX9UlEQVR4nO3de1yb930v8I+4PAIsAZawQfJFwhdIHIhJyNrgNgWS1E7bOMaJmzZOd0zWLTtdTxe8bmm37hzjdT3r2p1j3Hbd6WUN6Vq3XewYB7eN3SQW8Wqa1MQi+CbsGGFjcTHCAmEu4qLzB5EqjC4/3QV83q8Xr4Ce3/M83yTixVe/5/v7/mROp9MJIiIiIiKKiKR4B0BEREREtJAwwSYiIiIiiiAm2EREREREEcQEm4iIiIgogphgExERERFFUEq8A6D4m5oex+T... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5AAAAEJCAYAAADiusiGAABiz0lEQVR4nO3de1zU15038M9w+XFxhsEZFBgvM2iExIiQkDbVNgFzwbQNERObNmmsZNu4T7dmg9s27W73eTTb9tlu233ENtvdJt2GNKm9acVgL5qkDslWmkTiIEYFjQ6Kw0UGBwa5DJd5/iBMQeZyfnNn+LxfL14O8zvn/L7ikMx3zjnfo3A6nU4QEREREVFQKBSKSIdAFDJxkQ6AiIiIiIiIZgcmkERERERERCSECSQREREREREJYQJJREREREREQphAEhERERE... | 0 |
science | grade-4 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAADbm0lEQVR4nOz9d5gc13mnDd+nQufuyTkh50AARCYCEyRRiQomZcmW5JW8lj9/trxrr/fdYK9317v+XtsbHHZty7YsKstWZhSDSAIgcgYGwGACZjB5pmemc6h0vj+qp2dAUVQCMBRZ93U1u6e7uvrUQbHqd57znN8jpJQSoFAoMDo6SiqVwrIsPDwWGk3TiMViNDU1EQgEbutveee/xxsN7/z3eCtzJ89/D483I0JKKfP5PL29vXR0dBAIBNB1faHb5eGBaZoUCgX6+/t... | [
"stretchy",
"blue",
"rough"
] | null | 2 |
science | grade-5 | animal-adaptations-skins-and-body-coverings | true | true | Emerald tree boas live in the forests of South America. The tree boa is adapted to be camouflaged among green leaves. Which animal is also adapted to be camouflaged among green leaves? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd5hdVdXwf6ff3qeXTJJJ7w2SAIFIlSYdBARFRcUKL4r6Kr5Y0M+uSFFApYmANClKr4EEUgjpyWQm0+ud29up3x83mTehBozo53d/z3OfmXPOPnuvc87e+6yz9tprC47jOKZpYts2FSpUqFChQoUKFSpU+H8TURSRZRnBMAynotxXqFChQoUKFSpUqPD/PqIoIlaU+woVKlSoUKFChQoV/jOwbRvxXy1EhQoVKlSoUKFChQoVDhwVBb9ChQoVKlSoUKF... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9d5wkVb3+/z4Vujr3dE+Om3dZ2LxLzkmQJCggAmLWK0a4Iuo1XLM/sxdBJagkuYgICAaSxEXS7rLsLptndnd2cugcK/3+qO6e7plZWGAVv/fVz+tVM91Vp845dSp0Pef5BGHbtm0YBpZlUUMNNdRQQw011FBDDTX8vwlJklAUBSHEW92VGmr4PwmpRpxrqKGGGmqooYYaaqjh/31YloVhGG91N2qo4f8spBpxrqGGGmqooYYaaqihhv8bqL3b11D... | 1 |
math | grade-3 | select-figures-with-a-given-area | true | false | Which shape has an area of 9 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKQAAAD+CAYAAAC0oK7QAAAEQUlEQVR4nO3csY5UZRiA4W92gQJBO9FWgyTayyVob2XlldjoldhoZe8tSK8JorYuLQubgGyOxYREGwvDmfM6+zzVTCY53z/Jmz+n+nbLsixnL2Z+vZg5v5x5uQwczLXdzO3Tmbs3Z+7cmNmdPV+WB0+2PhbM3H9z5tqji/2Xd2/M3HtjXyscyvnlzMNnM3+8mPnlYubkycv9D2JkC7dP9+3NzDy9nDm5/NsPsIVX7f25zJxsexT4J0GSIkhSBEmKIEkRJCmCJEW... | 0 |
math | calculus | determine-continuity-on-an-interval-using-graphs | false | true | Is the function f(x) continuous on the open interval (0,4)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACElUlEQVR4nO3deVxVZf4H8M/d2EEQEBAFxS0xwCU0Fbd01LRFLbNlKq2Z9mlq1vZtymmmmsqsqWYqrWkZnUxLRdPcEFMUBQV3lFVZLuvdz13O7w+CH+QGeh4OVz7v16tXcrnnc7+cc++53/vc55yjkWVZBhERERERKUKrdgFERERERJcTNthERERERApig01EREREpCA22ETUyqZNm9CnTx/MnDkTAHD99dfjm2++Oet9nU4nrr76auzcubMjSyQiIurUNDzIkYhamjJ... | [
"yes",
"no"
] | null | 0 |
math | grade-1 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAANvUlEQVR4nO2db0wb5x3Hv2f8BwwYb7VRSkL+rI0gZVKakURqkyhOo4ZU3RRY1KZq1BQmsRft2lXrpjb/KtCqNNHUSkvUV0QKhSVS86Ih0lQRukKiZHmRFJdqQ3EbOhUodMK0A1MOzja+vaBHTfjj57HPd2ff7yPlDXnu9zwh/vruuXuezwk7d+6UfT4f1ODatWuQZRlUL/l6XV1dqtTSG5/PZ+jfs9nqWX0+HxoaGlQp2NjYCFmWqV4K9bIFs32uIsL3eOY3T0KcnsB... | [
"turn",
"slide",
"flip"
] | null | 1 |
math | grade-1 | find-the-next-shape-in-a-growing-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAATMklEQVR4nO3du3Nc130H8N8+sABJiFA0Y8qyNPY4itMkM26ccePEGSfjJi7d+R9IlyJFGnsyidWlSZsi+QtSJ44j2+FDREyKkhhK1IOiRIkURJMi+MRjH/feFDAl0iRALLB7791zP58ZF9Zwcc/3HOzOdw/unm0VRVEEAACQhHbVAwAAACZHwQcAgIQo+AAAkBAFHwAAEqLgAwBAQhR8AABIiIIPAAAJUfABACAhCj4AACREwQcAgIQo+AAAkBAFHwAAEqLgAwBAQhR... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAVnklEQVR4nO3dzZMc530f8F/P2y4Wy12YVQIFUSWVw8jliuOoXGWXclBsl53yIVFVLrrpH8jNhxx8kSoVSzdfcvXB/gtyjhWFooMXEhFAkERAghIhkCAJLEGAWHAJ7MtMT3fnsCIJCLvYt5nunu7Pp4oHApjp5/s8+zLf7p5nkqIoigAAABohSZKqh1BLnaoHAAAAMG2KDwAA0HiKDwAA0HiKDwAA0HiKDwAA0HiKDwAA0HiKDwAA0HiKDwAA0HiKDwAA0HiKDwA... | 1 |
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