subject stringclasses 4
values | grade stringclasses 15
values | skill stringclasses 445
values | pic_choice bool 2
classes | pic_prob bool 2
classes | problem stringlengths 0 1.12k | problem_pic unknown | choices listlengths 2 4 ⌀ | choices_pic listlengths 2 4 ⌀ | answer_idx int64 0 3 |
|---|---|---|---|---|---|---|---|---|---|
math | grade-8 | changes-in-mean-median-mode-and-range | false | true | Look at this set of 8 numbers: How would the mean change if the number 59 were added to the set? | "iVBORw0KGgoAAAANSUhEUgAAAT0AAAAkCAYAAAD7Ne16AAAJOUlEQVR4nO3ca1BU5xnA8f9eYJddFpSFRdnVREFcNEJCFGNNm4kXHI3G3NpqczOdpEkn6eTWduxMJ20/tJNPzaRNUusYranNbZo2YwoGEycmGkEQEIkIiyKGBYxc5A5774fFTXYRd4nn4IZ9f98856z78LzPPvuec96zCp/P5wNwu2FkBLxewIcgCMJ3nwKUStBqQa0e3eTz+XyOEXA4rm1sgiAIctJoQKMFtcctGp4gCFOfwwEqNShFwxMEIVY4HaD0eK51GIIgCJP... | [
"increase",
"no change",
"decrease"
] | null | 0 |
math | grade-8 | perimeter-and-area-changes-in-scale | false | true | Look at this square: If the side lengths are tripled, then which of the following statements about its perimeter will be true? | "iVBORw0KGgoAAAANSUhEUgAAABgAAAAOCAYAAAA1+Nx+AAABhElEQVR4nN2UscsBcRjHv0wiv7rccIXhMF3JQE6Z6MJNsskkViPFX8BitfEfKJu/QJckRpe6wnCLKBtxzzuot96BDGd5P9tTz/N8er7D4yAiwhdxfnP5r2C73UJVVTDGIAgCGo0GrterfYJSqYREIgHTNDGbzaBpGrrdrj2Cx+OBzWaDXC4Hj8eDcDiMbDaL3W73cojneTSbTUiSBI7jUK/XMZlMIMsyvF4vFEXB+Xx+NhMRtdttEgSBBoMBLZdLkiSJVqsVvcLn81G... | [
"The ratio of the new perimeter to the old perimeter will be 3:1.",
"The ratio of the new perimeter to the old perimeter will be 4:1.",
"The ratio of the new perimeter to the old perimeter will be 2:1.",
"The ratio of the new perimeter to the old perimeter will be 1:2."
] | null | 0 |
science | grade-8 | 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. | "iVBORw0KGgoAAAANSUhEUgAAAfUAAACtCAYAAACp4uY/AAAVV0lEQVR4nO3de3CU9b3H8c9mw7IQBEJIQmJQkEUp8cIIGAM5CmkN4OUUA4E/oBAFFEqBKeMdS22RSlCx4HDxYBEzVA7DRM8IR88gAgZQConctEKNESEXBCHLJWZDstnzB8O2KSHX3TzZn+/XzM5kd3/7e76/H8+zH55n93nW5vP5fAIAACEvzOoCAABAYBDqIezAgQOy2Wy1bg6HQ/369dMzzzyjixcvNqm/sWPH6he/+EWzajl8+LD69eunrl27Nuv1AICWC7e6ALT... | [
"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-6 | understanding-percents-strip-models | true | false | Which model shows 30%? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVAAAABLCAYAAAAmjt81AAACKUlEQVR4nO3WMU4UYRjH4Xd2FwoEbQzEA6hHoKW18BYeg5JjeAotbKm5AWIvohULm4BsPouRxEQlu/9AxjXP0+xOZibfW/3m7Vpr7fS66tOsajqvumkFwB9MuqqtcdXzjaqd9aru9Kq1o/OhxwJYLbuPqyYns/7i2XrVy0d9XQH43XRedXxZ9fm66uOsanR+098QT4C7bY37VlZVXcyrRvNfbgBwt9tWfm9Vo2FHAVhdAgoQElCAkIAChAQUICSgACEBBQhNln3... | 1 |
math | algebra-1 | identify-linear-functions-from-graphs-and-equations | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAfwAAAH8CAYAAAA0Uh0TAAB1SUlEQVR4nO3de3xU5Z0/8M+Z+2Ryv4dAEhTBooDirdyqVlet1m6hdrH+Wuuu3a1trd3tbrsq3gV0t5dtXWu1XVvttrtu3apdlItYEGhQkAhBgiJEcs9MMsncL+cy5/n9kSYlApIh8zAZ8nm/Xr58ZZjzyTfnzHm+58w584wihBAgIiKi05ol2wUQERGRfGz4REREkwAbPhER0STAhk9ERDQJsOET0Sj//d//jcbGxpGfDcPAypUrEY/Hs1gVEY2XLdsFnIzWb/VAxAU... | [
"nonlinear",
"linear"
] | null | 1 |
math | kindergarten | square-corners | true | false | Which shape has 1 square corner? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFxElEQVR4nO3dT08bVxjF4WP+ZJGSdtcqH6DNtrt82yooYcEGsUFig4QqUSksSLZuuqFAMAngAhPQgOfeLgY3JA3Ycz1+73vfe55VIoTw4seM7YNnOt5737sG/roELipg4EE0sbkO8GQW+Pkx8NMjoNMrvd8+j/2wyLLn3wNz7y7r/zx9BDz7rq6QaFIXFdD9BBxeA39eAjPng/oLjIza9GS2bgoAigqYqe58gahNw6ZuPDAT96FQLhgaiWBoJIKhkQiGRiIYGol... | 0 |
math | pre-k | ordinal-numbers-up-to-tenth | false | true | The first picture is a barn. Which picture is third? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAn0klEQVR4nO3de1yUVf4H8M9hQAYHAdFQIe+i2WpgqZslammlu0tamZptqblpm4l5aVt1NzU1u6iZmql5y367pZZltJqmCWqtLRiolBfAvCQgJYIMzAzDcH5/nLkyw1yfGWaY7/v12l145rkcz37PnMN5zoVxzjkIIYQQQgghkghp7AQQQgghhBDSlFADmxBCCCGEEAl5rYFdruXovP8m+nxTiXItjUIhhBBCCCHBwa0G9ufFWiw6q7bbcM74rRYXq+uQW6HDpBPVbie... | [
"tractor",
"barn",
"sun"
] | null | 2 |
math | kindergarten | cones | true | false | Which shape is a cone? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAALwklEQVR4nO3dS2wbeR0H8K/t2HVsJ87TjtuGAttCK1EVLUWrLoUDvSDBSmgvlTixXNByQCBxQIIbnFa7YgUXDnvoHtil4taKPbErgfYBrbbP0DZJq6Z10jwa52XXcWKn5uD5j8f2eDyP/3g84fs5xRPX/lf6dvqf/+P3D1Sr1erSLnC/COT3gEoVRD2nLwAMhIBjMSAdAQJLO9XqlS2vm0Vk3kuDQN9ssfYiEwG+Gq+lmqjX5PeA6WfA4i4wUwSCW5XaLxha6mU... | 0 |
math | grade-2 | name-the-three-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADkCAYAAACi9FP6AAA0LklEQVR4nO3deZScV3nv++/eb1VXV3e1epC6JXVLtjzIM9axY7BscIxkh5NYIbkEY+LDkizAy6xzAjcmkOQCJ0CYkwAxEAL45EBiZyXhYC4kN7ZZ9xzsm4BBjAdjtWS7Nc9Tq9VSq4d6h33/eKsndUvqoarequrfZy0vrFdV7/718krWo6397Mc45xwiIiIiIlIUNukAIiIiIiK1RAW2iIiIiEgRqcAWERERESkiFdgiIiIiIkWkAltEREREpIhUYIuIiIiIFJEKbBE... | [
"pyramid",
"cylinder",
"cube",
"rectangular prism"
] | null | 0 |
science | grade-2 | predict-heat-flow | true | false | Two solid blocks are at different temperatures. The blocks are touching. Which picture shows how heat will move? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAYcElEQVR4nO3de3QW5Z0H8O/MvPc394SEJCQESAgKCAgIclG0ShWLVm0X213aWvfsOVuP27Pb2m1rbbut22qtu9vtak9Pa70gq7VVFhAFBZRb0CACAQyGhNzvF0je+2Vm9o95k5AQJDFvZibJ93OOx5PhvTzvOzPfmef3zPOOoKqq2hIGKv2ARwaiKoiI4sIiAIkSUOQCsmyA0BJS1dIeo5tFRBPdsiTActav/ZFtA4rdWhoREcWDRwY+8QHNYaDCD4g9Ue0fGDZ... | 1 |
science | grade-5 | predict-temperature-changes | true | true | Two identical blocks are heated to different temperatures. The blocks are placed so that they touch, and heat begins to flow between the blocks. The pair of blocks is insulated, so no energy escapes. Later, the temperature of each block is measured again. Which pair of temperatures is possible? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAX6ElEQVR4nO3d+VMc553H8Xf33MxwH+IYECBZVhC6JcuWbSWR7MQ5vcmW48q9P2T3x91f9g/Yf2F/3ErVVjbeJJW1nY0Tx5aysqxYsm4kgS0jhAwChvsQwzD3dPf+0EwDAiEkA9PA91XlcqmZo+F55tPP8+1nuhXDMAyEEAJQc70DQgj7kEAQQlgkEIQQFgkEIYRFAkEIYZFAEEJYJBCEEBYJBCGERQJBCGGRQBBCWCQQhBAWCQQhhEUCQQhhkUAQQlicud6BlZBM6Jx... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAlY0lEQVR4nO3d2XMUV74n8G9m7ZsktKEdSaxmXw3GQHeD7fbutn2xb+/3oe883omYmNe5Ma8z/8GEI27MtLtvR4/tnna72wZfL7QNCAQSkliEkJDQgnYJlUq1V2bOw1GVdiiglJlV+n4iCAWlWo7qnPrVL8/55UkJgAYiIgCapmE4BnSFgIACJBgdiChDrBLgswCb3cB6OyCBCQgRzRqOamicNroVRJTrDucBVqMbQUTm0RkSP8vtwFaPOFohIsqEgAJ0BIGhGHA... | 1 |
math | grade-6 | model-and-solve-equations-using-algebra-tiles | true | false | Which equation does this set of algebra tiles represent? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAEfUlEQVR4nO3dO0grWRgH8P8Yc1H3XoMPVsVCRXYjIhhRuKkVy62sAiKIkARtYuELH00iFhYigoWxSVAjkkZFtLCQNIoQ0UIweyVFMOxdNCbGqPExnltkzSoa9RpPMle+HwzJzJyZ74P8OTMWcgTGGPt+BeyfA6cicMNAyE9LFYAvMuCPDCDvEyB8v2RsM5jstshH8jUTSP12Htkp+AQof4ukjpCfdSoCrjPgnyvg73MgJXgTOUGhIvH4IotkCABCIpAi3jtBSDz... | 2 |
math | grade-6 | front-side-and-top-view | true | true | If you look at this object from the top, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEjCAYAAAAIbnZCAABX0ElEQVR4nO3df1zUBb4v/heiYiDN+C0TpW1mbrqZ7FcY19B7V2VGUys7CV4Vzy1lzJO3FGXm7MlvqBtD5yo8si6Dv3LLYtB6nFCLyVa3dJWPZPcbrMXQdyld3cOHPXIw3baPiYkG8v1j/HwCBBzgM/OZwdfzr3UEPu+JzuO85937R0Rra2sriIiIiIhIFQO0DoCIiIiIqD9hgk1EREREpCIm2EREREREKmKCTURERESkIibY/ZDX64XVaoXJZEJxcbHW4RARERHdViK... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA8gAAAEjCAYAAADuTihqAABhiklEQVR4nO39f3jUhZ3vfz9jwFACTrgVAXGbma9QUfY2GReB8y2QGVCw4kriQXC/Cgyy8lV+Tk6P3EZdmXQPhkvqyfBTV6lMQO8VsM2oxVUo5gOFc0uKZtK7Uah0+aRLThDqdpAgARPz/SPOGCCJIZnJZya8HtflRQnJzDsNuS5eeb/n/U5pampqQkREREREYiIlJcXqEkSkk66yugARERERERGRRKCALCIiIiIiIoICsoiIiIiIiAiggCwiIiIiIiICKCD3SKF... | 1 |
math | pre-k | one-more-with-pictures-up-to-10 | true | true | Count the dots in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFACAYAAACGDgu2AAAVOUlEQVR4nO3df4hldf3H8fe5M3Nnf++6vzX9qrn+2Py5KlJRxEaCi2VEICEVQUIgQhBKGSKWWrj/JPWfYUSQEmqEiksZgVEg/TBXttXddV3FRWddV93ZX83Mvfd8/7ARNbM7s58759fj8ffCfF4Dy3neM2fOZHme5wEAACTRKvoAAABQJwIbAAASEtgAAJCQwAYAgIQENgAAJCSwAQAgIYENAAAJCWwAAEhIYAMAQEICGwAAEhLYAACQkMAGAICEBDYAACQksAEAICG... | null | [
"iVBORw0KGgoAAAANSUhEUgAABDAAAAFYCAYAAAClCwyGAAAyx0lEQVR4nO3de5DV5Z3n8c/vXLubbmhoDt0yYku4KKghGIaIo5XIwMRWMZNJitrMmtRURXcqE9et3cIZssUwM9FMSjJVThL/ykQrNVUh2QSndpFIDLuTkkSccFGxtG1osWElcppubn3lXH/7R09vUKE55/Q55/c8z+/9+qf/Ufr5nO/hcJ7P7+ZJ8gUAAACgKnzfVzorvT0mDRekPN+2AaAiMU9qiUpLmqT2hOSJAgMAAAComnTG1/6hoFcBAG75xEwpFvQiAAA... | 0 |
math | grade-8 | apply-addition-subtraction-multiplication-and-division-rules | false | true | The number line shows an unknown number, q. Is – q 5 positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGXklEQVR4nO3dz2/T9x3H8dfXwT9iOwWPkBZVJNllUiNUBBiTIA4cKrUT4hCKpnFBnNhAVEi78A8gKjaJwwSVkNgFqRGHNVTitNscerCdGBTVw90mlhCYKuXHmhT/tuPvDq5NDAmpWtvfr+Pn4+L4ax9e0td2Xvro/f18DdM0TQFtbGxsTIZh6PTp01ZHQYtwzgEAdrbN6gDAz/Xs2TOrI6DFOOcAADv70QW7WCwqHo8rGo2qr6+PlSOgRVJTWa1MpJV/WtBqpizPgEv... | [
"negative",
"positive"
] | null | 0 |
science | grade-4 | predict-heat-flow | true | false | Two solid blocks are heated to the temperatures shown. The blocks are placed so they touch. Which diagram shows the direction heat will flow? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAADWCAYAAAAD8D2GAAAb50lEQVR4nO3deXxU5aHG8d9smWxkIwFCIAkBwi7KIqiguFYtti6ltl5tvdXeWq2lt4vXpXpt8RbBWsVaW2ttqRVbF9xQCwVF64YGAggJJOxLNshGksk2k5z7x8BASIAJmZwzSZ7v59OP5MybM28iPj3nOWfeYzMMwyhthu31UNsCPgMRkZBw2qCfA0ZGw8AIsJU2GcbnNVZPS0R6u2lx4NxW7/8iNQJGxfjTSEQkFGpboMADJc1QWA/2Gp//BYWNiIRaP4c/WwD... | 1 |
science | grade-3 | identify-minerals-using-properties | true | false | Select the one substance that is not a mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAAC+j0lEQVR4nOz915NsWXbmif22OsLdQ16RNxVKAwXZaMVptvVMk8MZDueJ88B3PvEv4H9FI834RANnxsa60T1sYBoaKF0pb+aVoVwesRUf1j4ecW9moTBVGahEdqyyqMi4EeHhfnyvs9T3fUv9x2XOvzGHA8Od3dmd/QK2jvCjLTwd4cTCvzqWf9d3jnVnd/bL2YGB35jLf2/i9b/rO8e6szv75W3yI5+v/03/ap7Knd3ZV9/unOvO7uyW7M657uzObsnunOvO7uy... | 2 |
science | grade-4 | compare-temperatures-on-thermometers | true | false | Select the thermometer that shows the highest temperature. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAQIAAAECCAYAAAAVT9lQAABnOElEQVR4nO29eXgb5b0v/hmt3jRyYme1nI0kxDIQoBDLnKSkvdih5bY9jR1aCveUhAuFnpYYEkJ7mqVxQk8bksZJb3+lcOLkPk/L0ticbueexub0QIFaDmUtlhOSkEVyFtuxrZEsWev8/hi/r2ck2dYykuV4Ps/jZzya0cxoZt7v+/nuDM/z/GU/cNoDuEJAkIcCBQqucWgYwKAGluQBs3QAc9nH88e5ib4sBQoUTBQqWEBzyiOszNEB1+cLUkKBAgXXNlwh4OQ... | 2 |
math | pre-k | circles-squares-triangles-and-rectangles | true | false | Which shape is a square? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAGoklEQVR4nO2dS0+bRxSGjw1kkZB21yo/oO26K35X/0rTKCzCiqyQkg1sYRkpKGukNF2QVfkQN9lgZOz5posP0nAxvs2cOZf3kSLFMcYT9MSx53vPvK0YYzy4IvqnR9QNRMNIAMzNYovo+QLRL0+Jfn5C1Drox7jbKb0sYJmVH4gWv/SaGy+eEP32rLEQgHnpBqLPF0T/XhH93SNqd4bNHZAMpOT5QuMUEdF5IGqH7+4AICU3Tg0iUbvsUoAXIBpgAaIBFiAaYAG... | 1 |
math | pre-k | more | true | false | Which group has more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMwAAACGCAYAAACR4WX4AAAmw0lEQVR4nO2dd3xUVf7333fS20waSUhCJkAIEEqaVCUJTRGQru4PlyKg/hRBfLawu8guoOtawFXQ3bUEZdkVFylKUQQJBBAIQhJAQhLSCAnpZVKZJDPn+WOYITFYZk3B5znv12teMHPbuZ+Tz72nfo8ihBDFTZDVALUGaBFIJJKb2CrgZgP9nMHXHpRivRBnaro7WRLJnc8INdheaTB96WkP/V1MbpJIJCZqDZBRD0VNkNkAqpoW0wZpFomkPW42Jm8A1BlAZWi... | 1 |
math | algebra-2 | domain-and-range-of-exponential-and-logarithmic-functions | false | true | What is the range of this logarithmic function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABi9klEQVR4nO39e3hU9b33/78mk3MCSUggQDBBQLAcAqKoICgWq261tth2Y7t7cF/u3drW2ru9dvfP26t1d/fy6927x69u6926t7vq/vX+tbW1toKBYkGgoYJECCYoxAghIeQwOUzmvOawfn+kySYCIQPr42TI83FdveoMWa+8s9bMmvd85jPr47Jt2xYAAAAAR2SkugAAAADgYkKDDQAAADiIBhsAAABwEA02gBEqKiq0e/fu4dtHjx7V1KlT1dLSksKqAABIHzTYAEa... | [
"$\\{y \\mid y \\geq 6\\}$",
"$\\{y \\mid y>6\\}$",
"$\\{y \\mid y \\leq 6\\}$",
"all real numbers"
] | null | 3 |
science | grade-4 | read-a-thermometer | false | true | Select the temperature shown by this thermometer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAGQCAYAAADbbRRJAADoi0lEQVR4nOydeXhTddr+7ywnaZI2TVeQpuxtbYtSEGmLuIGACzijbM7y/gR0nMH3HRdwdF7HdXQWHVF05pVxRGQWZ7SCMyOo7O60ZRAKtMG2QAtJC7S0TdImabP+/kjPIWnOSdP2pEt4PtfFRXvOSc43XdL7POd+7kfi8/l8IAiCIAiCIAgiJpAO9QIIgiAIgiAIghAPEvgEQRAEQRAEEUOQwCcIgiAIgiCIGIIEPkEQBEEQBEHEECTwCYIgCIIgCCKGIIFPEARBEAR... | [
"103°F",
"97°F",
"105°F",
"95°F"
] | null | 1 |
math | calculus | determine-continuity-on-an-interval-using-graphs | false | true | Is the function f(x) continuous on the open interval ( – 8,8)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACMr0lEQVR4nOzde1yc5Z03/s8wR2A4DgkMRBJjApoIaA4mJJCD5xpNzamx2lq7bh/tttutu9tn++v28NR13T5b2277WKvddqt27arRqDlhjIacIAfBhCSohGAC4TDAcBjmfLx/f5BBSCBh4L64Z+Dzfr18tczM/Z1v7nvmmu9ccx1UkiRJICIiIiIiWcQpnQARERER0WTCApuIiIiISEYssImIiIiIZMQCm4iG2Lt3L2bNmoU1a9YAAO677z689dZbwz7W7/dj6dKlOHL... | [
"no",
"yes"
] | null | 0 |
math | kindergarten | inside-and-outside | true | false | Which picture shows the basketball Created with Snap outside the gift box? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOQAAAC/CAYAAADuHnC5AABZ5ElEQVR4nO29d5hc13nf/zn3zp1et/eKslhUAiQIkqIodklWL3FiW5blOLIj24rtPHYSuaTYkuzEif2T7SRukWRZtlzUbFGNnSIJEARAou6ibO9tdnq/9/z+uDPby+wuygKaz/NIxM7tM/d7znvOeYuQUsrxDFxLQFSHnKREiRI3CYsAjwo7nVBtBTGelvJk5FbfVokSJe71guVqwvyj1gq7XaZaS5QocXOI6nA5DmMZuJIAJZIzN5TEWKLEzcejmtoDiOmg6As... | 0 |
math | algebra-1 | domain-and-range-of-square-root-functions-graphs | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABhaUlEQVR4nO39e3RU953m/z6luql0FxJIIJAwxmALI2xs7IAhthu37bYTpyGdwckvF/dyT9o9cSeTP3pWTk8n093Hx5M13ele8STpdGYycTKnf79MfGK72zgywTE2BGIwMggkfMEChATofqvr3lW19/lDlozMTTL7S1Hwfq2V5VRR+9FHe1ftemprV5XPdV1XAAAAADxRkOsBAAAAgCsJBRsAAADwEAUbAAAA8BAFG8AUdXV12rVr1+Tlo0ePavbs2ers7MzhVAAA5A8... | [
"$\\{y \\mid y \\geq 1\\}$",
"$\\{y \\mid y \\leq 1\\}$",
"$\\{y \\mid y \\leq 0\\}$",
"$\\{y \\mid y \\geq 0\\}$"
] | null | 3 |
math | kindergarten | count-dots-0-to-5 | false | true | How many dots are there? | "iVBORw0KGgoAAAANSUhEUgAAAEQAAAAiCAYAAADmvn/1AAADJklEQVR4nO2ZP0wTURzHv+31etc/Z0skQgRjQiRxgY5sRDYw0UU2E0YnDYmOYIxRRkkUJ0cSN10YlA3ixqRUnDAEBRIgJFxz9P70+q4O11Z7d5R37ZVHzH3Hl/f7vU++v77X934XqVQqFYSqK8oa4KIpNMSh0BCHYq0ElfNLsPbyKG9+aUw2OIpofw6xoTuBwLHgiFAfqpqM0upbGJ9fNgxHhRQAwDKKDePCxCzitx4CiaxvKJYcVIaYa4vQPz4BdAVcMgM+2wte6gY... | [
"2",
"0",
"1"
] | null | 0 |
math | grade-1 | addition-sentences-using-number-lines-sums-up-to-20 | false | true | Which addition sentence does this model show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABhCAYAAADsidaRAAAW9UlEQVR4nO3de1BU590H8O9yc4PcFURSBKEDXkLAS8RLEsVUE3NTE6WayUTSGFPTjq12HGNMJxppNU2T6hszmVhnQq3B8VYwJuXVd0wAp1xF0KijRs0iuGBccAnLfWXfP07PwgLK7nLYc87y/cwwu3sW199Pdj1fnvOc52gsFosFREREREQkCQ+5CyAiIiIicicM2EQK8MkFQLsHePZ/5a5kYNiHsrhLH0REauMldwFE7q62GRihBbz7+HXW2A68lgv8303Ax9PVlTm... | [
"1+5=6",
"3+6=9",
"0+4=4",
"3+4=7"
] | null | 3 |
science | grade-3 | identify-minerals-using-properties | true | false | Select the one substance that is not a mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAACUx0lEQVR4nOy9ebQtSVUn/IshM89whzfX+KqKAmQoPxVKQRuEFpbaLUqzugUUxBHbWYYWpYXV6hJFF2qzmha1XQtoxFa6e7lARZcf9NcIioKIRSFjAUXN9eY7nCGHiNjfHzsiMzLvOfee+9671Cs4u+q+c+85eTIjI2PH3vu3J/EPm0SPGQKrCkta0pIugrYt8Okx8EAJHNbAUw/x+3LJWEta0qXRqgIeM+TfR7Z5Xy4Za0lLunQKfFRR8558aIaypCV96dOSuZa... | 1 |
math | grade-7 | rational-numbers-find-the-sign | false | true | The number line shows an unknown number, d. Is – d positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAlwAAAApCAYAAADgbPfrAAAGL0lEQVR4nO3d32tUZwLG8edMnB+ZiaaaxG4b1CwLpRukooljIrIIe1XEi0S9kILrlW1EEPZGei8WeyEsKGzAK6FBLxov/AtGCzszyWiDWWO3tElMF8FRa3Am8+NMZnoxybSpzS/MmTdn8v3czZkhPMPJDM+873veY5VKpZIAFxsYGJBlWTp58qTpKKgSzjkAt9lkOgDwtqampkxHQJVxzgG4zYoLl23bSiQSisVi2r59O78sAWCdKaZLej44rdxkXjNjOfl3eeVt3qT... | [
"positive",
"negative"
] | null | 1 |
science | grade-2 | natural-resources | true | false | Which of these pictures shows a natural resource? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAV4AAAElCAYAAACszooYAAEAAElEQVR4nOz9569teXrfiX1WzjvvffKNdSt1VwcGiaTkmaE4lKCBKWsEDOwBxm9sGDD879iA31sjAYYBceDhKIzFoWbsEZsdWN1dXeneqrrhpJ3jytEvfmute6q7OrhpvesFEOw6955z9t17ref3PN/0SN/bVdVbDngKv7l+c/3m+s31m+v/j9ehgE8DuE2hr8Lf7Ymvy78pur+5fnP95vrN9R/m8hR4yxH/2y9ef13+TdH9zfWb6zfXb67/cFdTY7Pq9dfUr/q... | 0 |
math | grade-1 | names-and-values-of-all-coins | false | true | Which coin is this? | "iVBORw0KGgoAAAANSUhEUgAAAMMAAADDCAYAAAA/f6WqAABzeElEQVR4nO19f0xT9/r/a5+0jB5GUTjElsQayxoxq7s6J8gdRvjij89YopK5m20uJtOPxiXm+s/VyKL742rGovcfb0xm9OqSZe4udy5Ok3kvIhfMdEid07vViOnoQk1oDYcqZT1ltMm+fxyeh/c5PS1FEX/cvRID0tKW9jzv59freT1P/frrr/gNDx7hcPi+3min0/nUZL2W32AOy8N+AU8SMl3wod4gIpEw/P7rCAQCutva2trT7l9fX8ffezweuN2zUVFR8avDOTP... | [
"half-dollar",
"penny",
"dollar coin",
"quarter"
] | null | 3 |
math | grade-4 | interpret-stem-and-leaf-plots | 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. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACOCAYAAAALm3/GAAApsElEQVR4nO3deVhV5drH8e9mkEEQVFQEFREccDZnzRzSTHPE+TXTlKyOHEtJRDCN8qSZJqbpMY95HINEE8WcTTsOSaaopa+IRxOnxApBkzBY7x9e7DcCBGtvNP19rsvrgmeve933s+iPez89ay2TYRgGIiIiIiJiETb3uwARERERkYeJGmwREREREQtSgy0iIiIiYkHmBjshIYGBAwfi5eWFg4MD3t7edO/enW3btt3P+h5a586dw2QyYTKZSEtL+8PHWFr16tUxmUy... | [
"65 cars",
"66 cars",
"67 cars",
"63 cars"
] | null | 1 |
math | grade-6 | 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? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAALhElEQVR4nO3dy24b1x3H8d8Mr0PxYssWpTgoUKANcgEKtPBD5CUctG8RL7NMXqJoiy6K5gnyBt5k6TSLboICjkhLtkhKHPE6XVhjUxIvM5w55/zPmd9nl0QmJ5r5euaQf3IAIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiJKzTO9Ac74JvL/9OLsby+fHH41Lfmmt0aZ5mSGT3sX3/34Q/e56W3Rwd09qdM3kf/0xeu/+lH0VXcYmt4apY5HIQB8/fTL/re... | [
"1\n7\n of a full turn",
"1\n2\n of a full turn",
"1\n6\n of a full turn",
"1\n4\n of a full turn"
] | null | 1 |
math | grade-8 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{TV} and \line{WY} are parallel lines. Which angles are adjacent angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAgKUlEQVR4nO3de1RVdf7/8dfhpqYJpuIFE7TJGIvESymaw6UESy3Q0cnU1JmyUldRlpWtimmNWs3S0LEspwvOTGOWynGpoygCTtOYigZqJloCZooocnTwgijn90c/z3cYD4qyORf287GWa8neh7Pf+7384+V7ffZnW+x2u10mZLPZJElBQUFurcNb0T8AAADnfNxdgLukpaUpLS3N3WV4LfoHAADgnMWsE+ywsDBZLBYVFha6uxSvRP8AAACcM+UE22q1qri4WEVFRbJ... | [
"\\angle{VUS} and \\angle{TUS}",
"\\angle{VUS} and \\angle{YXZ}",
"\\angle{VUS} and \\angle{TUX}",
"\\angle{VUS} and \\angle{WXU}"
] | null | 0 |
science | grade-8 | identify-rocks-and-minerals | false | true | Rhyolite has the following properties:
found in nature
not made by living things
light-colored
no fixed crystal structure
not a pure substance
solid Is rhyolite a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAB/20lEQVR4nO39WbNkSXbfi/3cfY8xnznnGntQs8FugKDdSwCERBpJkQ98wtfgE830JjN9AX4VPoommYlGo0m6JlAXAHXRQKOH6q7KqhzOGHPs2V0Pvt1jx8msk9WdWajuZqzq03lODDt27O3L1/Rf/yWMMYa97GUvrxX5TZ/AXvbymyx7BdnLXu6QvYLsZS93yF5B9rKXO2SvIHvZyx2yV5C97OUO2SvIXvZyh+wVZC97uUP2CrKXvdwhewXZy17ukL2C7GUvd8heQfa... | [
"mineral",
"rock"
] | null | 1 |
math | grade-3 | interpret-line-graphs | false | true | Vicky's parents kept track of the number of times the attendance office called to report that she had been late for school. In which month was Vicky late to school exactly 3 times? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAGLCAYAAAD9IeXBAACdxklEQVR4nOzdd3hU55n///do1HtvCCGQhJCQEKIJ0THFGIzp7olbiJM42WTjxPE6m+yuE/vrZH9OnOIka8c1xnaMDRgQXYCooglJCAmhghrqvWvq7w9lJigITBnNGUn367p0XTDlnM+ZUbnnOfd5HpXRaDQihBBCCCGEsAg7pQMIIYQQQggxnNgrHUBYVlZWFn/+85+/8nGvvfYav/71r2lqauLb3/42kydPHvxwt+l3v/sdeXl5TJ06lW9+85v97tPr9Tz//PN0d3f... | [
"October",
"November",
"March",
"April"
] | null | 2 |
math | algebra-2 | domain-and-range-of-exponential-and-logarithmic-functions | false | true | What is the range of this exponential function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABqJklEQVR4nO3da2BT550u+kdX320ZG2ww2IQQnJjYXBJDDDghhSZpSNNC2yHt7iVzMtNJp2k7nX06p6en7XS6s5mePdPOaXaS6c5MJ0lnd++2mZK0gRhKAgFqJzg4YLAh4BjwBSPbsiVZ13XRWueDkUFgg2SvV7Kt5/clsZAe/f0uaemv1+9ay6Trug4iIiIiIjKEOdUFEBERERHNJmywiYiIiIgMxAabiIiIiMhAbLCJKEZZWRmamprGfj5//jzmzp2Lrq6uFFZFREQ... | [
"$\\{y \\mid y<-7\\}$",
"all real numbers",
"$\\{y \\mid y>-7\\}$",
"$\\{y \\mid y \\leq-7\\}$"
] | null | 2 |
math | pre-k | classify-shapes-by-color | true | false | Which square is yellow? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACcUlEQVR4nO3dO24UQRhG0X/Gj4BnBmIBwAaQ2H+K2AA2OSb1gCWMhyZoIZEzuiMN50TdquQLriqtzbIsy839zOe7md1+5mEZ+Gfnm5mnZzOvH828vJzZ3PxYlg+3x57FKXv/bOb8+m79eXU58/bxWiH8q91+5tP3mS/3M1d3M9vbh/VAZBzS07O1qZmZb/uZ7f6vAzikP039XGa2x53C/0JoJIRGQmgkhEZCaCSERkJoJIRGQmgkhEZCaCSERkJoJIRGQmgkhEZ... | 0 |
science | grade-8 | use-punnett-squares-to-calculate-ratios-of-offspring-types | false | true | In a group of cucumber plants, some individuals have bumpy fruit and others have smooth fruit. In this group, the gene for the fruit texture trait has two alleles. The allele for bumpy fruit (F) is dominant over the allele for smooth fruit (f). This Punnett square shows a cross between two cucumber plants. What is the ... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAD6CAYAAADUdTPBAAAKrUlEQVR4nO3dsWuU9x/A8c8lZ7gYNAZStcNBA+pS6K9CikNobZQutYXiUNqMXQpXRP+IEoqTQ6fiKnQrtEullOIQsHDiUKprUapEFCHVI2Ls8xtaT0NtqU3yPM997vWaLsclzwc+yzvfPD42iqIoAgAASGGk6gEAAIDNI/ABACARgQ8AAIkIfAAASETgAwBAIgIfAAASEfgAAJCIwAcAgEQEPgAAJCLwAQAgkWbVA/BXly9fjsXFxf/0vZ1OJ+bn5zd5ouFmHwDAIHG... | [
"4:0",
"0:4",
"1:3",
"3:1"
] | null | 1 |
math | algebra-2 | domain-and-range-of-radical-functions | false | true | What is the domain of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABl1ElEQVR4nO39e3Bc9Z3n/7/6rqslWbIlWUYyxthgYxkMhtjYXMYESEhI7EwWJr9cmGI2k2wyyU79drZSqZnszBTFpnYmM9/JJNlsdrMhmZrvLztsCDNAhGOCwY4dMBZGtsRNCFu2bOvSuvb1nD59zu8PIWHhmwTn43bbz0eVC9Tq89Jb53R/+t0fffqcgOd5ngAAAAD4IljoAgAAAICLCQ02AAAA4CMabAAAAMBHNNgAZmhqatKePXumvz506JAWLFig3t7eAlYFAED... | [
"$\\{x \\mid x \\leq 7\\}$",
"$\\{x \\mid x \\geq-7\\}$",
"$\\{x \\mid x \\geq 7\\}$",
"$\\{x \\mid x \\leq-7\\}$"
] | null | 0 |
science | grade-2 | compare-properties-of-objects | false | true | Which property do these two objects have in common? Select the better answer. | "iVBORw0KGgoAAAANSUhEUgAAAWwAAADcCAYAAABUIpt4AACNn0lEQVR4nOydd5gc1ZX2f7dS5zA5zyhHhCREzhmMA8ZeJxzWXtu7zjmwtj+DE07rsE6sA2sbbIwxrA0OYLDJQQhJgCKKI40mx57O3RXu98ftSZKImhkF5n2eerpnuru6+lbVW6fee857hJRSAuTzebq6ukgmkziOwwxmcLhhGAbRaJS6ujr8fv+UftfM8T+DIw0HO/6FlFLmcjl27dpFS0sLfr8f0zQP86bOYAZg2zb5fJ49e/Ywf/78KSPtmeN/BkciDnb8i1wuJ3f... | [
"sticky",
"colorful"
] | null | 1 |
math | pre-k | fewer-more-and-same | false | true | Are there the same number of knives and plates? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAAA/rklEQVR4nO3dd5hdV3nv8e/ae582vWhGU9S75C73hnsBDNh0SOglCQQI5F4SLuQmhJZLQgqQQAKBAIEY4phQgzEGbGxcZKtZvUszI03vc+rea90/zkgu6tKZkWf0+zyPPaNzzuyz9vnrd97nXe8yzjmHiIiIiIiUhHemFyAiIiIiMp0oYIuIiIiIlJACtoiIiIhICSlgi4iIiIiUkAK2iIiIiEgJKWCLiIiIiJSQAraIiIiISAkpYIuIiIiIlJACtoiIiIhICSlgi4i... | [
"no",
"yes"
] | null | 1 |
math | grade-7 | classify-quadrilaterals | false | true | What name best describes this shape? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEACAYAAACJVgHaAAAwkklEQVR4nO3de1jUdf738ecAw0FBFCRDkEMumuumFpZWup7uMjFPZbVlrWYH7Wxte/9+be6K/Wz33nvbtKPawbC0ttXygJK4t4prBykoscyCNYaTaAgIjHIYZub+Y8JDoXEY+DLwelwXFzIw33l5xR+v3n7n8zY5nU4nIiIiIiLiFl5GBxARERER6UxUsEVERERE3EgFW0RERETEjVSwRURERETcSAVbRERERMSNVLBFRERERNxIBVtERERExI1UsEVERERE3MjH6AB... | [
"rhombus",
"parallelogram",
"rectangle",
"square"
] | null | 3 |
math | pre-k | count-pictures-up-to-10 | false | true | How many chickens are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAE0CAYAAABZ4EexAACXnklEQVR4nOz9d3hc133g/7/PnT6DQe+FKASIRrAXdVlWs2XLduSS2E6zdxN/97spzjrJ7i/rJE7ZJF8/SbzusZNN4mQtR5Zt2bGtqFgS1Sj2BgIEARK99zZ97j2/P4YESJGUWHABEvi8nkd/CIOZOXfwJp5zce+5V2mtNWLJaa2xkkmUUhhO50oPR6wi0pawi7Ql7CJtCbtIW5dnrPQAVoM37yMNHTjG4+/4CH/j28A3NtzLy3/weWLTsys0OnErk7aEXaQtYRdpS9h... | [
"2",
"10",
"7",
"1"
] | null | 1 |
engineer | grade-8 | identify-control-and-experimental-groups | false | true | In this experiment, which were part of a control group? The passage below describes an experiment. Isaac wanted to freeze soda to make popsicles. He knew that soda contains carbon dioxide gas, which forms bubbles as it escapes from the liquid. He wondered if the popsicles would freeze more quickly if he removed the car... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAE3CAYAAADBi3hdAAEAAElEQVR4nOz92a9tWXbeif1mt7q992luf6O5ERmRGZkZySQzk0pSpIqUBEl2QXC5rHJTgA0bfvCDAf0HRsFvfiz5zX4x3AGGbaikB5WKEmEUJZXYiKQosWf2kRGR0d7mNLtZzez8MOZa+9ybVMGqEpRJQws4uPeeu88+a68115hjfOP7vqH+5t/8m5l/d/y7498d/+74M3T8rb/1t34kv9cC/G//1n9KGg+cq0w9ePjeJ/zK//H/zv/t//q30a98jl+3il1oeOnCsDY... | [
"the bottles with lids kept on",
"the bottles with lids taken off"
] | null | 0 |
math | pre-k | circles-squares-and-triangles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJgAAACaCAYAAABVCoEqAAAGQ0lEQVR4nO2czU4jRxSFr/lbTIYki2iiPECSR5inyMsmbzELawAJaeIs2JkoEQsaLI+x3Vm0CcY/uF3uqnvPvefbgA1C1dVfl2/VPaJX13V9OxH5ayRSzUSmtRCSzElP5PxY5Od3Ij+eifRuv9b1p3vtYRGPfPxW5GQwal78dCby6zeNfYSkUs1EvjyKDCcif45Eju6nzQ8oF+mC8+PGJRGRh5nI0WzpB4R0wbNLT7XIke5QiHcoGMkKBSNZoWAkKxSMZIWCkax... | 1 |
math | grade-6 | 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? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAjpElEQVR4nO2deZAc1Z3nP7/MOrqrurpbrW61kLABI4EOLoMuJDHCJ2YdcxhmBnuMB7MbYzC7tgHbuzExuxOO2ZiJHYd38bFrG9YzNmvY8diMsTfwjLGxxVgHuoxtQBI6MJaRkNQt9VldXVfm2z9KBU2rj8x8ryqruvMTQZgw/X75q8z3fefv/R5EREREREREREREREREREREREREREREREREREREREREREREREREREREREREREREREREREREzBEkbAfmE2o7GVpYWi7... | [
"1\n3\n of a full turn",
"1\n5\n of a full turn",
"1\n2\n of a full turn",
"1\n4\n of a full turn"
] | null | 3 |
math | grade-3 | scalene-isosceles-and-equilateral-triangles | false | true | Is this triangle equilateral? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB+CAYAAAAeCWbfAAAcwklEQVR4nO3daViTd7oG8JstyFJEcMWiFVwKKIu1KmpFcWOTkPfVrtNVa1udTluP9Yyn09plZvSqPdNx7NjTjnac2mNPR4OCJBLct7ZuHciCgAsK1BXEBUSjJOeD5q0ZULY3BOT+zbf8k/ThuubD3bd3/o+L1Wq1goiIiIiIZOHq7AGIiIiIiO4nDg3Yn3/+OVxcXDB58mQsW7YMJSUljvzHERERERE5nYsjKyKjRo3CDz/8YPdadHQ0lEolUlNTMXToUEf9o4mIiIi... | [
"no",
"yes"
] | null | 0 |
math | grade-1 | certain-probable-unlikely-and-impossible | false | true | If you select a marble without looking, how likely is it that you will pick a black one? | "iVBORw0KGgoAAAANSUhEUgAAALEAAAB2CAYAAACHxHLJAAAtwklEQVR4nO2deZQd1XXuf6fqdt+eRzVqqcECDQiBsBGIZyYLGwcBdhIM+IENgQQnyxBe8hyj+Dm24ymP8TmO7bCMvZzYa5nB8AJ+IGfFDLEdEGADQmYSCKEJDT1IrZ6771R1znl/nHOq6rZaIKmH2w2912qV6o5V53616zv722dvobXWzNqszWDzSn0AszZr47VZEM/ajLdZEM/ajLdUqQ9gIqy9p8Bru7Ls7Q/o7Avo6gsYzEha6stobSijtamMeY1lnLygksaad8U... | [
"probable",
"certain",
"unlikely",
"impossible"
] | null | 2 |
math | grade-3 | identify-unit-fractions-on-number-lines | false | true | What fraction does the number line show?
0
1 | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAoCAYAAADE3o01AAADZ0lEQVR4nO3dP0tcWRwG4N9kJ4UIigSzIg64KUIwmTb1dum1WAf8ApY2Sv4QtBBiLYhfINFCLEPKTZnCQoxiJyIyiCuI0yVmZ4usQ4Q1zmUvnjvyPJ14ipcXi3cuxzult2/fNkulUtRqtaA97969C51lo7PsdJadzrLTWXY6A65TPjg4SJ2h4+gsO51lp7PsdJadzrLTGXCdO6kDAADAbVJOHaCTbG0dx+rqTuzu/hYRES9ffozx8ZGoVvsTJwMAoCgM7DatrOzE6ur... | [
"1/4",
"1/3",
"1/6",
"1/8"
] | null | 2 |
math | grade-2 | correct-amount-of-change | false | true | You pay 41¢ to buy a sewing needle costing 24¢. You receive the following change:Is this the correct amount of change? | "iVBORw0KGgoAAAANSUhEUgAAAlIAAABECAYAAABKz9vcAABqH0lEQVR4nO39d5hkZ3mnAd8nVo5dnXPunpyDJimOAgKZHA22SU4LxngXe82uA7Y/PnuNvdgGbIyNyWAjoYQY5RmNJufYMz2dc6quXKfqpO+P6i5mQDYjIRm837mvS5dmerqqz/v26X5/5wm/R7Bt28bBwcHBwcHBweFlI/6sL8DBwcHBwcHB4b8qjpBycHBwcHBwcHiFOELKwcHBwcHBweEV4ggpBwcHBwcHB4dXiPyzvgAHh/+XME2TVCpFNpsllUqRSqXI5XKYpsn... | [
"no",
"yes"
] | null | 1 |
science | grade-4 | identify-vertebrates-and-invertebrates | true | false | Select the vertebrate. Hint: Mammals, birds, fish, reptiles, and amphibians are vertebrates. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9Z7Cs233fd36f1E/nnLt3zvvkfO6552ZcRIIEQIqUKFKUoGCaFuWp0VTZ0sgeT42nNJYVbAVrREEeiREiQGTgArg533NPDnufnWPnnMMT58UFLdUMPIWZ+8ZTxfXm6VrV1S+6P/17/mutXquFm23bXvKAT+LP2p+1/022rgmbfShqEJLhevCjfvHP4P5Z+99680mw5Pnocc/8D/3in8H9s/b/D+1Pner2f+iTf9oT/+Hf/9ss+jUCzjg/2mwx7Rp... | 3 |
science | grade-2 | identify-plants-and-animals | true | false | Select the animal. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADeCAYAAABL7FARAADyx0lEQVR4nOz9abCtaXbXB/6e4R333me68825KquyRhUlCVGSkBAISxgjwMgGWUDY2O1oh+3uaLsd3R76Aw43dhPtsNt0gxmMhWnb0Mi0jEy0JSMERkhIVSrVXFmVlVU53rzDueeeYQ/v8Ez9YT3ve27KKXdS9cUdwf5SWTdvnrP3u9eznrX+6///L/Wp85ReWMDK8I9e/+j1v8jXOsBXt3B3hEMLv/VA/lz/o8D9R6//pb9WBl5YyD9vwuWf638UuP/o9f8Pryl... | 0 |
math | grade-3 | certain-probable-unlikely-and-impossible | false | true | If you select a marble without looking, how likely is it that you will pick a black one? | "iVBORw0KGgoAAAANSUhEUgAAANkAAACRCAYAAABOtR13AABD60lEQVR4nO29e3hcV3nv/1lrjy6j20iy5FiSL4nlxDa53wkhISGNU0ILpBDCD0KhlLYJ8LSllHNKD3CAkrbhx+2UttAbpxdKaUva5BxKSwI0iVNIYkji2LGT4FtiS7Js3TXSjGZmr3X+WJe9ZzSydbVkM9/n8bO95yLttbXf9X3fd73r+wqttaaCCipYMsjlvoAKKjjTUTGyCipYYlSMrIIKlhgVI6uggiVGxcgqqGCJkVjuC6iggsVGz8Rx9gwfoj8zTN/kIEcnhxj... | [
"impossible",
"certain",
"unlikely",
"probable"
] | null | 0 |
engineer | grade-8 | identify-laboratory-tools | true | false | Select the round-bottom flask. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AABcpklEQVR4nO29ebQk2VXe++19TkRm3vnW1HP13JpnBEY8MG3gCQlkqdWtMhISy8IPZBAGzLKxeTzea4xttOy18LL8EBJ+WCAkdavoEhYYjGVwIxAgkNCAJCT1pB6qqmu+dcfMiDjn7PfHiZMxZOStW9XDvVk3vrXy5hSZNzIifvHtvc8QQKtWrVq1atWqVatWrVq1atWqVatWrVq1atWqVatWrVq1atWqVatWrVq1atWqVatWrVq1atWqVatWrVq1atWqVatWrVq... | 0 |
math | grade-6 | interpret-double-bar-graphs | false | true | An ecologist interested in the nesting patterns of birds counted the number of ducks at local lakes. Are there more ducks in Meadow Lake or Ripple Lake? | "iVBORw0KGgoAAAANSUhEUgAAAbIAAAIwCAYAAADj4+5SAABPa0lEQVR4nO3dd1hTZ/8G8DsMARFwoiAqWuuiIBQnaitOUFpXreN1tbhKldY9uqyt1eJ4kV/VqrRoWye2aFEsDmpFAUdkqECdqCAORIaiICG/P7zMSwQCSE4OJ9yf6/IyZz7fJyHcnJMn58iUSqUSREREEmUgdgFERERVwSAjIiJJY5DVEHv37sW0adPwzz//VHlfSUlJmDZtGjZv3vzK+/Dz88O0adNw586dKtdT1fYUCgWmTZuGuXPnVmhf2ug/EWmPkdgF1GR5eXm... | [
"Ripple Lake",
"Meadow Lake"
] | null | 0 |
math | grade-2 | select-figures-with-a-given-area | true | false | Which shape has an area of 11 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMIAAACkCAYAAADFTPF2AAADc0lEQVR4nO3cPW5cZRSA4Wf8V4QEdyAWgCNBYVFFosgmWAJ7IFWapMoisoRsgoIiDUpBJDv0mDJ2YinGo0sxHgkFmQrNd5V5n8rWFOfavq9O5bOYpmk6u+L3Sy6WXE+ST97egnu7fH2HLw9YnH2Yppfnox8rGefB5+y9uVx989UB9z9bVZJ86i6WnLznjytOL9k5v159UATZJvd2V+88vFuys/zHB8k2Wb/zf03sjH2UZB4KIVEICQohQSEkKIQEhZCgEBIUQoJ... | 0 |
math | grade-1 | shapes-of-everyday-objects | true | false | Which is shaped like a cylinder? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIUAAACFCAYAAAB12js8AAAYJUlEQVR4nO2deZxcVZn3v/fWvnTX1vuSkD1kIayGEZBFQMGXfZNFEF9HmcER0BkRZhgEx0GGcV5EPwoCLiiiwqDCS0ZQlgw7RMAJJCTdSUh6SS9V1bXvt878UV3VXX2rqjtd1Uvo+/0n1XXvOffc3N89z3Oe85xTkhBCDKSgOwZhBTICjQWGXoI6HaywQrMRpIGkEG+E5rpZGvOFjfWg74rl/mg1wipbTjEaC4uwAjuisD8FO2MghzK5A5ogFi51utzzB4goICv... | 0 |
math | grade-4 | fractions-of-a-whole-word-problems | true | false | Every Sunday, Wyatt has breakfast at his grandparents' house. Wyatt is excited this weekend because his grandma is making his favorite food, giant pancakes! Grandma makes a really giant pancake and cuts it into 6 equal pieces. Wyatt eats 4 pieces. Which model represents the fraction of the giant pancake that Wyatt eats... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJ8AAACfCAYAAADnGwvgAAAYW0lEQVR4nO2deXxcVb3Av5NZMjOZySSTWbI1mexJk7S0SZO2KYti5YGIKAi+PgQsD2VX8IG+p6igovLEB0LZ1AoKAi6PImq1La20TWnSLW2SZk8m+zKZLJNkss3y/gj1AZbS0Nx7Z5L7/Xzy6ZLpPb9Jv3POvef8zu8ogsFgsG8Gmr0w5gdfEBkZQVApwKiELD3YNaDomw4GKz1ShyWz1CiNBlWTd+4PCRrIiZozU0ZGCMb80DABvTPQ6IUIj2/uG7J4MkJjVM5... | 0 |
science | grade-6 | identify-how-particle-motion-affects-temperature-and-pressure | false | true | The diagrams below show two pure samples of gas in identical closed, rigid containers. Each colored ball represents one gas particle. Both samples have the same number of particles. Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | "iVBORw0KGgoAAAANSUhEUgAAAmwAAAGZCAYAAAA0Im0SAACEq0lEQVR4nO3de1yb9fk//ldIOIUEaKEcAvRESWpPtEDPztJ2Hkuq09UK9dD9nGA3Nw+g8zMPpatTN0G3eYTuO7UqaHXqGqrOU6m61trQ0oOtoedCQ6GlBQKEU/L+/ZHmJjfhTI53rufDCrlz576vpOXiut+nW8QYY/BhDQ0XcOrUaXR0tEMkErk7HEIAAP7+/oiKisb48ePdHQoRMMp/xBNR/uubxN0BuJPZbEZtbS0YMyMgIMDd4RDC09BwAbGxsfD393d3KESAKP8... | [
"neither; the samples have the same temperature",
"sample A",
"sample B"
] | null | 1 |
math | kindergarten | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAQbElEQVR4nO2dXZAc11XHf7d7Zj+1q12tPm1FVnC0JjK2wQ5WXIVtoCxSFUfJAyUXRZk8UHFBVYBUgR+BBwJ5AUOoFDxg/IDyFhmo2FFCGaVSkR9sK4lTEo4dr0zJH0Ir7efsp3Znpvvy0PPRs9rZnd293X27+/we7J6eO7evZv9z+5x7zj2ttNb6RhneW4YFD6oaQbCOgoIBF471wYEuUDdWtb44n/SwBKFzTgxC4cpy8OJQF9zTH6haEGxjwYN3l2C8DGPL4Mx... | 0 |
math | grade-2 | symmetry | true | false |
Which picture has symmetry? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAgw0lEQVR4nO3deXxcdb3/8df3nJlJJstkT5qkadp0AbrSFSggi71VEQR3FL3+3EXvFZEfuIsLXhUR71Uvy0MB9YFXfiCXVWQrmy2l0NbShbZpmrRNlzTN1iQzmeWc8/39cZKmpUmbZSbfWb7Px6OPdjLbJ2ne8z3nfDchpZQtUWgIQY8NlkTTtATxCMg3YWYOVPhAtESkfL1bdVmalnnOCYBnV8i9UemDM3LddGqalhg9NuwMwqEo1IfA6LbcO3T4NC3x8k03awC... | 2 |
math | algebra-1 | describe-linear-and-exponential-growth-and-decay | false | true | How does h(t) change over the interval from t=3 to t=6? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABwUUlEQVR4nO3deXxUdZ4u/qfWrEBCAglEE4wssiRsBgyLYuOO2oAOIPbivfbM2NPb7XvvzO07v7FbvaBe2kZBFMZpVOz2jqPTiM0SNoOAYY8kkIAYA4QEzFJJpVL7qapzfn8UlaRYq+B8c6qS5/16+TIJqSefnJM69dQ3J6d0iqIoICIiIiIiVei1HoCIiIiIqDdhwSYiIiIiUhELNhERERGRiliwiSjMnDlz8Mknn1zx3w4cOIC77roLPp8PAPDv//7vOHXqFMaNGwe... | [
"h(t) increases by 4",
"h(t) increases by 2",
"h(t) increases by 3",
"h(t) decreases by 3"
] | null | 2 |
math | pre-k | triangles | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIUAAACVCAYAAAB2DDmnAAAGOElEQVR4nO2du24bRxSGD6lL4dhJl8BNuiSP4JdM66dIYCBwlVR2ZYBu5MIGHKdhFRlCRJg3mZJ2xsVKgJUlbe7smZn/XL5GpiRKS/LjYv+Z/8ijGGM8vST6Z020aIiuIznGOBwRPTgg+uke0Q/HRKPTTYyTee3DclB49C3R4bt1e+PhMdEv37TGOLZYNERvV0T/XhL9vSYaz6/bL7gQdnlw0L7+RETLhmjcfPYFxy63r/9VJBrXPRQHEZfC6eBSOB1cCqeDS+F... | 0 |
math | pre-k | count-shapes-in-rows-up-to-10 | false | true | How many hearts are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAE0CAYAAABZ4EexAAA+A0lEQVR4nO3d65Mc1YEm/OfkPevW3ZL6JgkkGUvIgMDYYOzxrNmN8HrHXHY848u+f+HGrh0TNuAJPLOz3puxHYxhuAskgYQkkLqlprvueT/vh+oWAlpSV1dm5clTz++Lw46w6lTXU1lPnjx5UkgpJYiIiIiISAtG2QMgIiIiIqL8sOATEREREWmEBZ+IiIiISCMs+EREREREGmHBJyIiIiLSCAs+EREREZFGWPCJiIiIiDTCgk9EREREpBEWfCIiIiIijbDgExERERF... | [
"9",
"10",
"5",
"8"
] | null | 0 |
science | grade-3 | identify-vertebrates-and-invertebrates | true | false | Select the invertebrate. Hint: Insects, spiders, and worms are invertebrates. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9d5BlSXbeCf7c/d77ZGgdkZFaVYqqyspSXaKrurtEd7VCQzeBBQhgOENyOBxwlkbSlmY7xpnh7NJow+FSDMUSbAgSQAMNoCW6q0trkZWVmZVaRobW8sVT91533z/c74sosGeX6Jw/Zs3wzNIiMjLjiXuPH//O933nuDi1bu2hErQp/uLxF4//Uz4qGq5WYTaGrgAe63Q/l38RuH/x+D/7o03BoZL7flNv/Vz+ReD+xeP/Hx5ZnCZ262fBj/qP/93... | 1 |
math | grade-3 | multiplication-input-output-tables-find-the-rule | false | true | What is the rule for this input/output table? | "iVBORw0KGgoAAAANSUhEUgAAAFgAAAB/CAYAAABrPAW6AAAJsElEQVR4nO2dbUxUVxqAnxmYGUAHhg+F1cqHdHQtSNd0LY2JzWalEkSatKlZuihGZYk/tsa2tsGYiaFIQukHa2qq8aOtTSylTU07roLtWqtpV02KkdQEk1ZUrAwLKNMZEOaLuz9wpiWSFOQcEDlPMj/m3sv7vnk4886Ze8/c0V36e6vGJGBWVRxtZbcmuoxRMf/QHPQTXcSDjhIsGSVYMkqwZJRgySjBklGCJaMES0YJlowSLJnwsfzxrH/GY3zIwNWydlH1CEEfoSP... | [
"× 5",
"× 2",
"× 7",
"× 4"
] | null | 1 |
math | grade-1 | compare-money-amounts | true | false |
Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAlYAAACYCAYAAAAm2KfyAACZbklEQVR4nOydd3gcd53/X9t7kbTqVu+2LPfYcreTOHF6Qkg9AglJ4LgQjvID7kLn7ihHe+Aol4SDhJCQHqc6dpzEvcpFxVazel9Jq+11Zn5/rGawgQM7cYCDeT0PT2ws7c53Znbn/f2U90cjSZI0loDuCAQFSEmoqKioqKioqKicA3oNOHRQZYVcI2jG4pJ0KPCXPiwVFRUVFRUVlf/bLHeCviuS/ku+EWpsadWloqKioqKioqLypwkK0BGG0QR0RkAbSKX/QRV... | 1 |
math | pre-k | ordinal-numbers-up-to-fifth | false | true | The first picture is a train. Which picture is fifth? first | "iVBORw0KGgoAAAANSUhEUgAAAaUAAABdCAYAAAAFZHluAAAidklEQVR4nO2dfXxTVbb3f6dNpUnTJthaqn2hSLAF6RsKImkVPwKKoKCjw9soIM4zUsDBYSigjqT3grSAilIK93mAgvciFXwDqSA4Iz6lCIi0tEDLkI7pCxKgMA1Nk0KTnPvHSU6TNq+nJ22S7u9fNGefvXfXh66Vtdfaa1E0TdMgEAgEAsEHCOrtDRAIBAKBYIEYJQKBQCD4DF4zSs3tNAZ9dwsZ/2hBczs5ISQQCASCazgZpa+vtCO3ps2psTnaZIBKZ0KFxoi5v+g... | [
"bear",
"train",
"plane"
] | null | 2 |
math | pre-k | classify-shapes-by-color | true | false | Which triangle is purple? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFXUlEQVR4nO3dzVNTVxzG8Se8zWi1XXSmtTs3bbfdue2fKsPAghVsQNGJU3DEsYNTrMyUGt2QK9CASmJiuOTmdBFpFQwnQPK7ued+PytjGDgzfOcaH15uwTnndmKp1JBqidRyAi5trCBdH5V+vCp9PyEVdg6de1JN+1gI2a2vpbEXjc6DHyakn7/qVAhcVi2RNuvSdiz93ZBGqq3OE0SGfro+2mlKkt4n0kjyyRNAPx03deSkkXSPgrwgNJggNJggNJggNJggNJg... | 0 |
science | grade-2 | predict-heat-flow | true | false | Two solid blocks are at different temperatures. The blocks are touching. Which picture shows how heat will move? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAXZklEQVR4nO3deXgV5b0H8O/M2c/JThaSkAUIBBCMC4gsIlilqMW1XrS31FLbe5+219s/ulxb29s+1va63ed2UVrvbat1qUpVCogogiJoQJAt7JCQfT1JIDn7MjP3jwknJgQ9eE5mJsn38zw8mpOTOe8578x35v3NvGcERVGUtjBQ7Qc8EhBVQESUFGYBSDUBU5xAnhUQ2kKKsrtX72YR0Wg3Nw0wn/KrP+RbgXKXmkZERMngkYATPqA1DJz0A2JvVP0Fw4aIki3... | 1 |
math | calculus | determine-continuity-using-graphs | false | true | Is f(x) continuous at x= – 2? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACDc0lEQVR4nO3deXxU5dk//s+ZNZN9JQmBhB0Fk0AgIptCsaCiVrAW9alWvz5ttbXWPt03ny7W2la7uNfWx6WLVn6iVjAgCgomCiRCIAEhBMhCyL7Nes6c5ffHkJTIYkLOnckkn/fr5UsymXPNlXPP3Oc699zn3JJhGAaIiIiIiMgUlnAnQEREREQ0krDAJiIiIiIyEQtsIiIiIiITscAmoj62bNmCCRMmYOXKlQCAa665Bq+++uoZnxsMBnHJJZfgww8/HMoUiYiIhjW... | [
"yes",
"no"
] | null | 0 |
math | grade-4 | compare-area-and-perimeter-of-two-figures | true | false | Which figure has a greater perimeter? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKAAAAB6CAYAAAA4alhkAAAP1ElEQVR4nO3de1CU5R4H8O+yF1G5qlwW2KOo4CnodPaQYghKwEk85rG05Fgox8xE7lfFGyiimbdASwGHjElLS0wRzQZnmrampKnApmhMpAIc5GA6urS5LOt7/lh3XXQXF9x3n33ffT4zjO68t98y373wvs/7ewQMwzBXeoEWFaDUAn0MKIo1IgHgKgSCRgA+EkBwRc0wX98kXRbliMLdANFFle6BVAJMGqlLJ0WxRakFLvwBdPYCP6sAp5t9ugU0fJQtuAp1WQO... | 0 |
science | grade-6 | compare-concentrations-of-solutions | false | true | The diagram below is a model of two solutions. Each pink ball represents one particle of solute. Which solution has a higher concentration of pink particles? | "iVBORw0KGgoAAAANSUhEUgAAAbAAAAEVCAYAAACBn7B3AABjk0lEQVR4nO2deYAUxd33v9Uzszu7LKdEEAV3XS4REDVAVNSo8V7vvJ4xUV/Fh9c8xuQx5iCXJiYa4xFNYkIuY6LmecTrSUBEFIWoISgQomJUWFC5PDj3mLPr/aO7qqtqemZndmd2p3t/3wR3prq6urq7vv37/Kp7ZhjnnINEIpFIpIDJ6usOkEgkEonUHVEAI5FIJFIgRQGMRCKRSIEUBTASiUQiBVIUwEgkEokUSFEAI5FIJFIgRQGMRCKRSIEUBTASiUQiBVIUwEg... | [
"Solution A",
"Solution B",
"neither; their concentrations are the same"
] | null | 0 |
science | grade-2 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Fish live underwater. They have fins, not limbs. A goldfish is an example of a fish. Select the fish below. | "iVBORw0KGgoAAAANSUhEUgAAAtMAAADMCAYAAACx6y9WAADk6UlEQVR4nOy9ebwcVZn//37Oqeq++73ZNxJCEgJhJ4AIEQQEBBQVBRRQFMdRcUMYFdQRReerM6Oj/lT0K7iA4LigIMvosIgiqwhC2AmQANn33L27q855fn+cqrp9k4As0TjfqbevNvf27e6qPtX38qmnPs/nEVXVNE3x3lNSUlJSUlJSUlJS8pcxxhBFEZIkiZZCuqSkpKSkpKSkpOTFYYzBlEK6pKSkpKSkpKSk5MXjvcds750oKSkpKSkpKSkp+Z9KKaZLSkpKSkp... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA4IAAADMCAYAAAAmsx3gAAEAAElEQVR4nOy9d7wkRb3+/66qnnByPmf3bGATG2BJuyBhYWXJQVQQkCAKXhNmMIB6Dej9igHDVVEBQaKKKPmKBFEyAgssmU2wOYeTJ3RV/f6o7p6eObMJFvH+bj+8hjPT06G6unq2nn6ez+cjrLXW932MMSRIkCBBggQJEiRIkGDbkFLieR5P9cKUOmhQb3eLEiSojj4Nrw7AqgK0eHBws1suExKYIEGCBAkSJEiQIMGOwRiD7/sJCUzwb48G5R5WAPTr0nKZkMA... | 1 |
math | grade-8 | apply-multiplication-and-division-rules | false | true | The number line shows an unknown number, x. Is x 5 positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGIElEQVR4nO3dT2yTZQDH8d/b0a5bt7AlAqKBEQ9iFswy6cpGiJKoIQYRixzkQjAxRBZi4kFINBJUJEFvClES9LDIwsEMBwdDotGCIf2zQoiVoR4YEBEhwJDVrSvr66F/YLIxEto+7fr9XPq+T9/DL3nfwy9Pnvd5Ldu2bQFlrLu7W5Zlad26daajoEi45wCAUjbDdADgQV24cMF0BBQZ9xwAUMruu2Ank0lFo1GFQiHNnj2bmSPAlME/paNfSJd+k/7+TZqzUHp4ofT... | [
"negative",
"positive"
] | null | 1 |
math | grade-5 | points-lines-line-segments-rays-and-angles | false | true | What is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABrCAYAAABNEvX3AAAO6UlEQVR4nO3da2xcdX7G8efM5UyMM0lNTb2KHUKICXHixLMB4ynZpGkAX5REKiXdkmpLi9uyL3bbWCqoqtoXFSp90YJqVrvbzVYLbZctiLVKVZKN7RBKSaHjkKSTYCYXHCByhsjCws0Mxpkzl9MXEzsxtiGXGZ+5fD9SXvh/5vLk3aOj35mfYdu2LQAAAAA54XI6AAAAAFBKKNgAAABADlGwAQAAgBwquILd09OjnTt3Oh0DAAAAuC4FV7D7+/vFc5cAAAAoVgVXsEO... | [
"an angle",
"a line segment",
"a line",
"a ray"
] | null | 2 |
math | grade-3 | match-fractions-to-models-halves-thirds-and-fourths | true | false | Look at the colored part of each shape. Which shape shows one-half? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAACdElEQVR4nO3doW4UURxG8W9224rSgoMUNGCbIJoKUKhKXgHXBM8joCtwvEEtDoUhVIEsxZIutttu0rKbixiaYPfO0iF7zs9NJv/MTc7cjLvTlFLK6Cr5PknGs2RaoiWy0iSbw+ThenJvLWlGl6UcnfW9LN2EndvJysmkvdhaSx7fat8GLY/xLDm+SE6vkm+TZHA2bW8YezltDtu2SXI+Swazv25oOV23/VWSQb9L0U0zOIzBYQwOY3AYg8MYHMbgMCs1Qy/ev8r... | 0 |
math | grade-8 | classify-quadrilaterals | false | true | What name best describes this shape? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACWCAYAAADkHv8wAAAdxElEQVR4nO3de3TU9Z3/8dckM98vITAJtVGoVC4iglAyZISyKoIoUi4JUNZett0Geue4lfRod9v+erbtbn9tz7Y9Rns8tqetBNtfW20tMJGLxVLQ4qGyEyY2ERuQgOISzSphzO37ndvvj2+GCfdMmFzn+TiHk/DNzORDZjjnNe983p+3K5FIJAQAAAAgI3IGegEAAADAcELABgAAADKIgA0AAABkEAEbAAAAyCACNgAAAJBBBGwAAAAggwjYAAAAQAYRsAEAAIAMcg/... | [
"parallelogram",
"rectangle",
"square",
"rhombus"
] | null | 1 |
math | grade-6 | front-side-and-top-view | true | true | If you look at this object from the side, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAElCAYAAADeN5VfAABIK0lEQVR4nO3de1zUBb4//tfAcJWbIQoKwXC+ekQrLrZQ3hE957GiCdr3oZas0OrJGyvUr+xIGlr6zdwEF29trkKyq3VKMMOzu4mM1xVP4ugWdLRgBBTFiOEiF2GY3x/jZxLlMsBn5jPg6/nPGnN7sz60N+/eF5lOp9OBiIiIiIhEYSV1AEREREREAwkTbCIiIiIiETHBJiIiIiISERNsIiIiIiIRMcEegFQqFcLDw6FQKJCRkSF1OERERESPFRm3iAwcGo0GiYmJSE9... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA3gAAAElCAYAAAC24UBOAABNDElEQVR4nO3deVTTB7o//ncg7KvFBRQKYX56RdvK0gutO6L3e0a0gvZ71FZGcPTWpYzQntZeqYq2+q11KljXTh2Byow6txWsxXtnKhLXEe+I0WmhF1sSBUGhlLCvIb8/YlKt7CT5JOH9OmeODiHJ42g7ffd58jwitVqtBhERERER6YVIJBK6BBrCrIQugIiIiIiIiPSDAY+IiIiIiMhCMOARERERERFZCAY8IiIiIiIiC8GAZ4FkMhnCw8MhkUiQkZEhdDlERER... | 1 |
math | algebra-1 | identify-linear-quadratic-and-exponential-functions-from-tables | false | true | Is this function linear, quadratic, or exponential? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAhI0lEQVR4nO3de1TU1eL38Y+kIiIGR0UUMSY18JIevKGp+YS3suPJI5qSS9S00vJ6NDK8pJ1KEzBCHy9hKSc0FMtbjYieFLsczZ7Hzi+Ptx+Jt/DCI5mAojLy+6PlrDMPiLdNM1Pv11qzluz5uvee+evNd+0ZqozN+mOp3MCrrddo7n8NdvY2nG7xo/ucvQUAAABUwMPZGwAAAAB+SwhsAAAAwCACGwAAADCIwAYAAAAMIrABAAAAgwhsAAAAwCACGwAAADCIwAYAAAA... | [
"linear",
"quadratic",
"exponential"
] | null | 1 |
science | grade-5 | predict-temperature-changes | true | true | Two identical blocks are heated to different temperatures. The blocks are placed so that they touch, and heat begins to flow between the blocks. The pair of blocks is insulated, so no energy escapes. Later, the temperature of each block is measured again. Which pair of temperatures is possible? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAYgUlEQVR4nO3deXRc1X3A8e+bTTOSLEuybNmyZRmD8YrtsBjMvjgEHCAkBNomNDltkiY9KaVp0ybN0pA2tKdA2obQJc1CEkjCkgQcAyZgsIuNDd434U3eba3Wvsz+Xv/4zbyRPLI0xpLeSPP7nKPzNG/ujK50n37vvt+9b65hWZaFUkoBLqcroJTKHhoQlFI2DQhKKZsGBKWUTQOCUsqmAUEpZdOAoJSyaUBQStk0ICilbBoQlFI2DQhKKZsGBKWUTQOCUsqmAUEpZfM... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAkxUlEQVR4nO3deXxc5X3v8c+ZRZrRZtmWV7yx2Rgb7EBYA4QQJwGCEwKBNClNXrdN0vamNLe9SZObpCVtk9yGkL4aQtvbJg1toEkITVgMmMVgFxsDBoNXvOJ9kRfJsmRpRrOd+8dvRosly2NbOufM6Pt+vfQ61pkzM4/0PP7pd875Pc84gIuICOC6Lo0p2NoBbVnIKDqIyCCJOFAbhvOrYFwFOCgBEZG8xk6XFa1+t0JEyt0VdRDxuxEiEhxbOmw7oQJmVNvZioj... | 0 |
math | grade-7 | which-is-the-better-coupon | true | false | The original price of a jewelry box is $25.30. Which coupon is a better deal? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAASYAAAC5CAYAAACFg5L4AAAqqElEQVR4nO2deXhT15n/P5LlRd43bINtINjsAYeQBEgC2ZdCkiZtuibNtE/b6RJmkkyX6aRpO53mNzNdU9omvzbdE7K02RoIWUgamgVCyAJmCxhjSGyMjfG+yNqs+eNYWLKu7HOle6Vrcz7Po8fo6txzDrb01Xve8573tQUCgUCLB+oHoNcPvgAKhUKRUBw2yEmB2ZlQmga2FncgsKMn2dNSKBQKwbJccBwaEE+mpsHcLKFaCoVCkUh6/XCwH457oG4A7D0+8YI... | 1 |
math | grade-7 | rotational-symmetry-amount-of-rotation | false | true | This image has rotational symmetry. What is the smallest fraction of a full turn you need to rotate the image for it to look the same? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAvqElEQVR4nO2dd3wc133gv29mCxZt0Qiw9wKQlERalESqS5QU2UnsOC5x4jgXJz7ZH/vyiXW2RSq+JLRjxyIdXRL7lMSSYp+Tcy/xxT5bhRJlFVKFEimxgL0TBED0ssCWmXd/PEAEdmZ3ZxezBeR8Px98RO3OvHk7837z3vtV8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PDw8PCwRxS7A5czO8/eHxqNBJY... | [
"1\n3\n of a full turn",
"1\n2\n of a full turn",
"1\n5\n of a full turn",
"1\n9\n of a full turn"
] | null | 0 |
math | grade-8 | describe-a-sequence-of-transformations | false | true | What combination of transformations is shown below? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEyCAYAAADA5Kd8AAAbd0lEQVR4nO3de5SVdb0/8PcAAuEtrFQGlCypSEtltLTS0EOeykseT2qnsn4pXrJUvGtmYV4Sr6OZPwwvFUmaHjO1o6cMDDypydbK6KeeUZtEvJXNSDqIDfv3BzHneB0cvuzNsF+vtVzL2T7P9/15WK41b5713c/TVK1WqwEAAIoYUO8BAABgdfKigv3YY4/VfIBGyaxXrszVK7NeuY2SCQAlNP3vLSKVSqWeswC8SEtLS71HAIDXbdBLP6j1L7RKpdIQmfXKlbl6ZdY... | [
"translation, then rotation",
"rotation, then reflection",
"translation, then reflection",
"rotation, then translation"
] | null | 0 |
math | grade-5 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines perpendicular? | "iVBORw0KGgoAAAANSUhEUgAAAGwAAABsCAYAAACPZlfNAAAIrUlEQVR4nO2dbWxT1xmAn9skTWIIKSRNJ4gHNgWXJCOJ060QdaxrEYiqQdMYoK2qgME2VZ3KIKhqf8DUsgm0JsAmyjQ+1GlrVYHGNIVqGxS6lk0p3bCTQewqBGya61AIccAkM2aB3f0wduzExg6Jcz8fiR+JHd/XPDnnvPf1eU8ESZIkDFTDA3IHYDAyDGFpIrra5A4BMISlhehqo6mxQe4wAMiWOwA1sO+lF7l8/rzcYQDGCEvJ4Z//LCpLCdOiIeweiK42jv76rej... | [
"no",
"yes"
] | null | 1 |
math | grade-1 | ordinal-numbers | false | true | The first picture is a moon. Which picture is eighth? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAkqElEQVR4nO3de1hTV7o/8G9CEkggBuQqIIKKqOB4qfVeS7WVWo+XWi+MtrUXO9XpeWa8nbmcmcdLp/ObdsZqz+90qp3ai+2xR8XaVqwW26qttGrrBRVFvFQERASRQAgJCUnOH9vEAAm57Z29k7yf55lnKuzsvVjPu961svbea4ksFosFhBBCCCGEEFaI+S4AIYQQQgghwYQG2IQQQgghhLCIswG22mhBRlEzhh/UQG2kp1AIIYQQQkho8GqA/dlNI9Zd1Hc7cD58ux0... | [
"star",
"rocket",
"moon"
] | null | 1 |
math | kindergarten | count-sides | true | false | Which shape has 5 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAEfUlEQVR4nO3dv04bWRiG8df8K7LJbrfRXsBmLyHXkhtERkKioKGiiEIRKleWst6CBi2GkKzB4BhmOFtMRrDZEAwev2fOzPOrsEzxFY8sRufjuBNCCEdX0l+X0nkuZUHA3FY60otl6fdn0ss1qXM0DWH/LPZYaLLXP0srg8vixW9r0h8/FRUC8zrPpQ8X0t9X0p+X0tJZVrxBZKjSi+WiKUka59JSfucNoEplU9dBWoo7CtqC0GBBaLAgNFgQGiwIDRaEBovahra... | 1 |
math | algebra-1 | domain-and-range-of-exponential-functions-graphs | false | true | What is the domain of this exponential function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABqsElEQVR4nO3deXhT950v/rdWW15lbGMbg81OYrBZTcIWSCFLQ5oG2pSkt2kyN13SaZK2M9O5nW7T9mYyudPtSSZJ00wzSdvbO53wK6ENxBAIBIgdMDhgsCFgDHhFtmVLstaz6JzfH0QuBgMWnC+y8Pv1PH1SCentj8+Rjt46Pjoy6bqug4iIiIiIDGFO9ABERERERDcSFmwiIiIiIgOxYBMRERERGYgFm4gGKS4uRk1NzcDl06dPIz8/Hy0tLQmcioiIKHmwYBPRIBU... | [
"$\\{x \\mid x<0\\}$",
"all real numbers",
"$\\{x \\mid x \\leq 0\\}$",
"$\\{x \\mid x \\geq 0\\}$"
] | null | 1 |
math | kindergarten | count-scattered-shapes-up-to-10 | false | true | How many squares are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAE4CAYAAAAuIofKAAAG+0lEQVR4nO3dsa2jUBRF0fGINogpyvVRlGMXwqToZ8iWLrP/WhWccOsKPz+O4zj+AAAACX+nBwAAAN8j8AEAIETgAwBAiMAHAIAQgQ8AACECHwAAQgQ+AACECHwAAAgR+AAAECLwAQAgROADAECIwAcAgBCBDwAAIQIfAABClukB8KnX8z09gZNtX6cnAMCv5oIPAAAhAh8AAEIEPgAAhAh8AAAIEfgAABAi8AEAIETgAwBAiMAHAIAQgQ8AACECHwAAQgQ+AACECHw... | [
"2",
"10",
"5",
"8"
] | null | 3 |
math | grade-8 | identify-alternate-interior-and-alternate-exterior-angles | false | true | \line{OQ} and \line{RT} are parallel lines. Which angles are alternate exterior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAAd8UlEQVR4nO3de3BU9f3G8edsSABBEpBAIAopBC9BJBBQbu1mveEFIWEqMwULqVNbaZGsHbGgVYNML1o7BhhL2jqS2MIUsc1aryCyiRShNEsShViqWUO0YyA1WaLcAsn+/uCXlEgCJHuSs5f3a2Zn7H7J9zz94wyffHnOruH3+/0CAAAAYAqb1QEAAACAcMKADQAAAJiIARsAAAAwEQM2IpbP57M6AgAACEMM2AgaXq9XhmHopptuOmft+PHj6tWrl3bs2GHKtYqKiuR... | [
"\\angle{QPN} and \\angle{RSU}",
"\\angle{QPN} and \\angle{TSP}",
"\\angle{QPN} and \\angle{OPN}",
"\\angle{QPN} and \\angle{RSP}"
] | null | 0 |
science | grade-8 | compare-ages-of-fossils-in-a-rock-sequence | true | true | This diagram shows fossils in an undisturbed sedimentary rock sequence. Which of the following fossils is older? Select the more likely answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAD6CAYAAADUdTPBAAEAAElEQVR4nOz9WbAlx5WuB37LPSL2dMY8J+d5ABKJkQBJgMVbdSexpW5TP3TxXcZ3SvWsa3xXWelVNNU7jK9t7K6HbjPJqFJLul1FACxOIJGJKTFlIpGZJzPPuIeIcF/94O4RsTMTIFC3VBdU70U7xMmz947t4eER/q+1/vUvUVVlYV8b27tx9T/2EP5oTVVRwnIWEQR59HVVvHrUh/8+bCKCMQZrLCKPft6rx3vfHOuLTETIs7w5TumgsO3rZV1SuZJ+PgDAew9CHLf... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA2sAAAD6CAYAAAA/Z9/rAAEAAElEQVR4nOz9SbAkx5WmC35H1cx8umPcG/M8IRAYCZAEmKzMGtmvuqV60cl9Cfes4rpSuC9K1rYolXsIty3szkW3yCvBy9dVr14mEWByAogITIEpBkTEjYg7+mBmqqcXqmrmHgMIZGVlgaAfShARft3N1dTU7J5f///8R1RVmceXJnauXf6fPYTf21BVlLCcRQRBHv65Kl496sN/HwwRwRiDNRaRhz/v1eO9b471WSEi5FneHKd0UNj252VdUrmSbt4DwHsPQhy... | 0 |
math | grade-2 | compare-sides-and-vertices | true | false | Which shape has fewer vertices? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAJ2klEQVR4nO3da2/b5hnG8YsiKcXyIY6VyEqaNM7BpyRDUCCAURQoMBQDhgHDvtu+yjCgGDD0VZGu61BsWeJTE+dsybNjx8dIJMW9oKU4zKFWIj7Pw/u5fu+aFDaD/sPeJm+RThzHcb0F/LIP7ERAGIMotzwHGHaByTIwXgScejOOf9zWfVhE/Tc3AnjL+8k/nC0C04NJ/UR5tRMBi3vAagtY2gcK22HyG4ybJBh2k5YBYDcCCtGR3yCSoNNyEAMFvYdClC0GTqI... | 1 |
science | grade-5 | animal-adaptations-beaks-mouths-and-necks | true | true | Broad-tailed hummingbirds live in the woodlands and meadows of western North America. The shape of the broad-tailed hummingbird's beak is adapted to get nectar out of long flowers. Which bird's beak is also adapted to get nectar out of long flowers? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd7wV1dX+v2vvOfeiSJFiQUEjiA3FgtGIYq8xxN6jib5qNDaMBVM0SqJGjSUGDaKJ2F4NP43tja8tCQoEESREjbFhiw07isI9s/f6/bH2zL2XetErGt95/NyP3HPnzOzZM2fOWms/63lEVTXPc2KMVKhQoUKFChUqVKhQ4T8TzjmyLEPq9bpWwX2FChUqVKhQoUKFCv/5cM7hquC+QoUKFSpUqFChQoWvBmKMuC96EBUqVKhQoUKFChUqVGg/VAF+hQo... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOz9ebRsV1X2j3/mXGvtXVXn3iR0BkIjJhBQApEAQwwSpVEaMfQonQoM4QVBgS+Y2CKCoIKCTUCIKCgwXmWIdENeOocgxBCDvBGQV5AAokgrSe49p2rvtdacvz/Wrrr3hpDcQBDkV88dZ9xz6lTtdu199rOeZz5T3N1LKZgZW2yxxRZbbLHFFltsscX/TKgqMUZE5Bu9KVts8S0J3RLnLbbYYosttthiiy22+J8PM6OU8o3ejC22+JaFbonzFltsscU... | 0 |
math | grade-2 | read-a-calendar-ii | false | true | What date is 10 days before April 30? | "iVBORw0KGgoAAAANSUhEUgAAAssAAAF2CAYAAACYtNXtAABWMElEQVR4nO3de1iUdf7/8ScDIogCcvYsiooakpqZorGZpWVamWvlttuuWtnpt62t5rJb2Zr5TattrS3b7WBqZqnlMRdPCyopecQDaioqIioqgsJwnvn9gYwQ3DooMICvx3V5qXPPDO95c889r/ncn/u+naxWq3XTwQK2HCog7aIFEREREblxAZ4m7ujQgH6dGji6FLkBThsP5FtT0q3cdYsLzs5gtTq6JBEREZG6zckJiorgf3vzadHURP9QV0eXJNfJtOVQAQPCXDC... | [
"April 20",
"April 21"
] | null | 0 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAByCAYAAABpy6akAAAPE0lEQVR4nO3da3BU933G8efsSmIlAZIMSDI3I3QtxAWaUDumtVN8w03dEqdgMBeT1s1M3SZlOrbTwRdutlN77OnYTV44EyfEyObiOLbH1A2uoQ1J8CWeAY/HWFcEQsIIyUgCsRLSak9fsP6jdDqWgLP733P0/bz6/WbEOQ8vNHq0/DnHcV3XFQAAAABPhGwHAAAAAIKEgg0AAAB4iIINAAAAeIiCDQAAAHiIgg0AAAB4iIINAAAAeIiCDQAAAHgow3YArx3uOahttY8... | [
"no pairs",
"1 pair",
"2 pairs"
] | null | 2 |
math | grade-1 | which-picture-graph-is-correct | true | true | Amy had a softball game. Her mom got some drinks for the team. Which picture graph shows the right number of each drink? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAzb0lEQVR4nO3da5Bc533f+d9zTvf0bS4YYIABSJAEQIoUJZG2ZImhaGstyiJ8K1dMOFVWkuLW0lFtuWSnWFFcSV7ElapVXqW2YuuN5bWYVbm4TgVbZSKKbVKGLJPUSpAYU7yJEimRIEESwAwug7n0vc85z7Mvztx67pfT1/l+imAP+nSf55lhN+fXz/M/z2Occ04AAAAAEuF1ugMAAABAPyFgAwAAAAkiYAMAAAAJImADAAAACSJgAwAAAAkiYAMAAAAJImADAAAACSJ... | null | [
"iVBORw0KGgoAAAANSUhEUgAABXoAAAEOCAYAAAA3yq/FAAB5dklEQVR4nO3dd5wU9f3H8dfMtuvHUY+mdMSComJBjWAES2xgEo1IYosxllgSNYkltsQYU9BobJj4k2jEhgqoARVFBVtUFGnS2x31+vaZ+f2xd7ss1/vt3fv5yOXuZmZnvvu5Xdl973c+YziO4yAiIiIiIi3CMIz2HoKIiIiIdEFmew9ARERERERERERERJpHQa+IiIiIiIiIiIhIilPQKyIiIiIiIiIiIpLiFPSKiIiIiIiIiIiIpDgFvSIiIiIiIiIiIiIpTkG... | 1 |
math | pre-k | circles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJgAAACaCAYAAABVCoEqAAACgklEQVR4nO3UPW5VVxiG0e9e/xRgoEtCmSLJEKgYQoaUihmFIdAxAyAFXZzWxpbs+OqkOEKiJjw64mqtam/t5i0e7d2yLMvl/cxftzPXh5mHZeCrne5mnpzM/PJo5sfzmd3l3bK8vdp6FsfoxdOZ0w+36+X5+cxvj9f64GtdH2be3cz8fT/z/nZmf/WwPoiLb+HJydrSzMynw8z+8MUDfAufW/p3mdlvO4VjJzBSAiMlMFICIyUwUgIjJTBSAiMlMFICIyUwUqd... | 1 |
math | grade-5 | understanding-probability | false | true | If you select a marble without looking, how likely is it that you will pick a black one? | "iVBORw0KGgoAAAANSUhEUgAAATMAAADNCAYAAADUt5eDAAA0+klEQVR4nO2df1DTd57/n0gASQQhkNU11VCKIzBY6wJbWttQ3alQbUd+3KFo2bptr6DbuZ7SfkXRsbfHDz2v6sz2rNZZPeVW7SBF3M6he2orLGcVGOwdI1hRVyH8GDABIiFAyOf7RzafEgghPz4/kk/ejxlngvnk/XmHhNf7/X79eL58KIqiQCAQCB7OLL4nQCAQCExAjBmBQBAExJgRCARBQIwZgUAQBMSYEQgEQUCMGYFAEATEmBEIBEFAjBmBQBAEIr4nQCAQTPz... | [
"unlikely",
"probable",
"certain",
"impossible"
] | null | 2 |
math | grade-3 | reading-schedules | false | true | Look at the following schedule: When does the golf tournament begin? | "iVBORw0KGgoAAAANSUhEUgAAAUEAAAD3CAYAAACD6ubtAACHhUlEQVR4nO2deVxN+f/HX7fSrrRSaV9UQkRI2mlFixaqmYmxL1mHmmQNI3vGnrFWioRIJrILRYhkiaKQFGnfPr8/+t3z7XTvbSHTmM7z8biPR+d93p/P533e5/S+n+2eN+uMw3YCBgYGhk6KAABYTxvV0XYwMDAwdAh8HW0AAwMDQ0fCBEEGBoZODRMEGRgYOjVMEGRgYOjUMEGQgYGhU8MEQQYGhk4NEwS/gZyCN+g3zRLD549CRVVlR5tD8W+167/Oi/xXmLtrCeb... | [
"4:50 P.M.",
"9:30 P.M.",
"8:00 P.M.",
"9:00 P.M."
] | null | 2 |
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