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 |
|---|---|---|---|---|---|---|---|---|---|
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 shapes. | "iVBORw0KGgoAAAANSUhEUgAAAfgAAACtCAYAAABcHG2PAAAlKElEQVR4nO3de1zUdb4/8NcMMzDcBQUBUURAURDxiqat2JJiedT1Uj4q7Xa0ddNuW539ne2x22Pdzul2Tup2cbVjqe1mWu3mVqtuXsjMKwUoKi0aKiKicr8MzAzz+4NgNQW+M3zv39fz8egRjMzn+6bm7Xu+3/m+P2+T2+12g4iIiHTFrHQAREREJD4WeBXKy8uDyWS67h9fX18kJyfjV7/6Ferr6z1ab968ecjKyvIqlmPHjiE5ORm9evXy6vlE1DW15PuJEycwc+Z... | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is smaller in Pair 2.",
"The magnitude of the magnetic force is smaller in Pair 1."
] | null | 0 |
math | pre-k | count-pictures-up-to-10 | false | true | How many marbles are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAE0CAYAAABZ4EexAACWJklEQVR4nOy9d3xc13mg/Zx7p88AGPTGTopdLKIkqsuWpdhO7NhOYjt2vPGuvxRnHSf5svGmbeIku2mbTbJx8mXjbOLeLZdYkmOryxIpkRIpkmJvYAVA1AGml3vP98cAAwxmAMwAMwRAvs/vR4n33HbuzMM559xz3nOU1loj5DH+kSilFjgnwo2GuCVUC3FLqBbillAtxK3q4VjoDFwvtNZonf1/LJGkezCE1jagON99bewoBejc/3N/06AUdDTV43W7UEqxpr0FpdT... | [
"9",
"8",
"4",
"3"
] | null | 1 |
science | grade-4 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9V7AkaXbfCf5chvDQ+mqdN+9NLaoqs7QWXdWN7oZqAE2CIBcEMeJhuUOC5IpZm10uZzlDGo1DDAEQhJEEQRCq2WgtqqpLi8xKnVfl1Sq0jvBwD5f7kFibFz7Qtl5mzXDMwizMLd7iZ5+f75z/+R/hesf3FzWISvxl/GX87zJ6LmzoULIgKcOTiYfPxb8E9y/jf+8RlWBRe/i97/5vz8W/BPcv4/8f4v/Lqe3/b8/k/9wPf+1vf4HFE0tsP9gjFIz... | 0 |
math | algebra-1 | factor-quadratics-using-algebra-tiles | true | false | Which area model represents the factorization $6 x^{2}+10 x+4=(2 x+2)(3 x+2) ?$ | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAQAAAAFVCAYAAAAAMTEiAAARkklEQVR4nO3df2zV9b3H8dc5p6VAS9tACxZafrRFhAECld1Y3ARjJVOMieKm2XQzubtmgWTObCZm/LP9oZFkOpOF61x02TJh10Rn5MKEIsrUEaZpCQtlDqj0Qmmhp9hTOC1tz/me+0ehgQptac/p53zP+/n4B3uI/b55p+fZ7zn8+AQSiUSitVc61iWdj0uxhABkqKyANCUkVUyWSiZIgdaeROIfna7HAjDebsuXso529X9QMkFakNtfBwCZ6Xxc+jwqtfRKx7u... | 2 |
math | pre-k | count-sides-and-corners | true | false | Which shape has 4 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAE1ElEQVR4nO3cz2scZRzH8c9mN7H0hz0IFqG1elD/hP41QvEgov9EC4UeeunFIIJehN567C3XXEpApAjupmmSmpIsISHZZNfNZmYeD9OVWlYTzeYz88y8X6eWtOmT5D3Pk+l8N40QQtgaSc8H0kEqJUHAmbUa0pWm9MlF6dqc1Ng6CuFpr+hlocpuvSu1lgf5bz6Ykz67lFcInNVBKrX70uZI6gykmV6Sv4HIME1XmnlTknSYSjPpG28Apmnc1HGQZopdCuqC0GB... | 2 |
math | algebra-1 | multiply-two-binomials-using-algebra-tiles | true | false | Which area model represents the expression (x+2)(x+3)? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKsAAACrCAYAAAAZ6GwZAAAJvklEQVR4nO3da2xT9xnH8d85di7EIRdwIDcGTSgE2iFIigAB29SWFirUakKbRFWpQtqLSutNCE0CrXtZNqTdOqEipDJ17YZaSismbQQilpaM21gcUiAEaAJJiJ0Eh2ATk8aOz9mL4JBkocI3jp+/f59XxAg/f4UvByexH2v1fSHzZP8IAECDCUADUWowYUIDTGCN0w77qf6RcXkyVEol2miRGnCifwT2yLW0arqOtUUZcGYyWEoN3qCJhpshtN4xYALQI2kyVEo... | 3 |
math | kindergarten | fewer-and-more-up-to-20 | true | false |
Which group has fewer? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAjQAAACECAYAAACH3rFfAAAdN0lEQVR4nO3dX28kx3nv8W9VdfcMh6SWa0uWHCcwBBixnMDIufBJgiBGXsBBLgLkNq8j8RtIXkHeQHLlyyRA4LvgQD45cQzYghNDlhPDjmWt5NXuapec4XR3VT3PuejhH8mRrSPtLDnk7wMsdkmOhv1tXXRNd3V1+Kf72f/5YQEg4EBARERE5HpznAAOf/h8Q/N/H5ZLQxgNZkRERGQXhGnUEuD/PCg0Z+dkXjmMfPWFluc7DWpERETkenswOq++m/nBieEBIj7... | 0 |
science | grade-8 | identify-rocks-and-minerals | false | true | Conglomerate has the following properties:
not a pure substance
not made by organisms
solid
made up of mud, sand, and pebbles
no fixed crystal structure
found in nature Is conglomerate a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAADFb0lEQVR4nOz96ZMlSXrei/3cPfaIs+fJvZaurt4XzAAzHIAgiMsLSCZdyUS7lHj5QaY/QzL9PTJ9k2Sma7q0Cy4GECBBAIPhTE/vXV1rVu5nPyf2xV0fIqu6uqenu0FeYjCwfMzSTuZZIiJP+OP++rs8rzDGGK5xjWt8LeSv+gKucY2/y7gmyDWu8Q24Jsg1rvENuCbINa7xDbgmyDWu8Q24Jsg1rvENuCbINa7xDbgmyDWu8Q24Jsg1rvENuCbINa7xDbgmyDWu8Q2... | [
"rock",
"mineral"
] | null | 0 |
math | grade-1 | comparing-review | true | false | Which group has more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAABeCAYAAADhenCDAAAER0lEQVR4nO2dP1MTQRiHf5e7ZAAloOOEkcIww6hNCgtn7OQTCB0VYwWdUGHnN7ADO6CyswM7OyytLNJELIgFQnQk4a8kd1mL42ZiyMUR3r0l+75Pk8kks+/+7rm928Bu4iil1G4d+HoCHAaAryBYhOcAgy5wfwAYyQDO7plSnw5Md0tIgidZwNs6CZ/czQAPb4Rng2APhwFQOga+14EvJ0DqwA9fENl2MuiGbgHgKABSQcsLgp1EbhsKSJntipA0IpwZIpwZIpw... | 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. Jamal was a chef's assistant in an Italian restaurant. One of his coworkers told him that adding salt to water would cause the spaghetti to cook faster.
Jamal gathered six pots that were the same size. He filled each pot ... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAELCAYAAACyM7+LAAEAAElEQVR4nOz9aaxt23Xnh/1mt7rdnfY2r7uvueR7fOzEXhQpkSJLKkkUVXBJrirHNoKU7RiFMhIEyZcAhhE4QBAHiB2g4sBwHBtJyrArcD6UVFUqlUqukkRJlMReJB/Jx9fe/p52n92sZnb5MNfa59z73iOpKlU9Bah5sXDO2Xfvtdfea84xxxj///gP8Tf/5t+M/Kvxr8a/Gv9q/P/R+E//0//0bXlfDfAHv/tPf+CThBBv+P3iY1LKH/j6GM9t8htfL8lEDqLDyxV... | [
"the pots with salted water",
"the pots with pure water"
] | null | 1 |
math | algebra-1 | domain-and-range-of-exponential-functions-graphs | false | true | What is the domain of this exponential function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABhkElEQVR4nO3df3xU9YHv//dkZvI7kJBAAtEEEUFBgqKgICgWq1atLXS7uL1tdb/u9tqt/XUft/fbR2/b7fbh9fbe3ba3ru3tdetqu48+vr11q+4KDRQFgYYKEiGQiBgDBALkx5Bf8/vMzDnfP2IiEZBEzieTSV7Pf0Im57zz4ZyZM+85+cwZj+M4jgAAAAC4IivdAwAAAAAmEgo2AAAA4CIKNgAAAOAiCjaAYSorK7Vr166h748eParp06ertbU1jaMCACBzULABDFN... | [
"$\\{x \\mid x \\geq 0\\}$",
"$\\{x \\mid x \\leq 0\\}$",
"$\\{x \\mid x>0\\}$",
"all real numbers"
] | null | 3 |
math | grade-2 | more-less-and-equally-likely | false | true | If you select a marble without looking, which color are you more likely to pick? | "iVBORw0KGgoAAAANSUhEUgAAATMAAADNCAYAAADUt5eDAABygklEQVR4nO29eZhdVZnv/1n7nFOn5tSQIkkVSSUhIQMhiAkCIoWgkCAqk82ktIj9CNLd9qN0Xxnkwe6H8fE22tqXxvbaNPBT8CKEoPcCNigmBAJJOiAxM5mrklCVmuuMe6/1+2OtPZxTQ2o4NaQ434ewa+29zz57r7PXd73Tel+hlFLkkUceeZzgsMb7BvLII488coE8meWRRx6TAnkyyyOPPCYF8mSWRx55TArkySyPPPKYFMiTWR555DEpkCezPPLIY1IgT2Z55JH... | [
"pink",
"neither; black and pink are equally likely",
"black"
] | null | 0 |
math | grade-8 | describe-a-sequence-of-transformations | false | true | What combination of transformations is shown below? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEyCAYAAADA5Kd8AAAohElEQVR4nO3de3RU9bn/8c/cMrmRcE9mQhJuoiAXMQURqbaeSn9SK0XtsQu1aiuVKj1C1Vp7pNpKPccqSo946fFSraVHqxbpqVj1lGtAFKMGBSlCQgiZIUCAJITc5vL7YzKxKJCZZGf2XN6vtboE3Hs/DxJWPvPts79fSzAYDAoAAACAIaxmNwAAAAAkk+MCttfrjXkD1EyummbVpWZy1TSzLgAAPWUJj4h4vV55PB6z+wEAud1ueTwelZSUmN0KAABRs4d/4HK5TPm... | [
"reflection, then rotation",
"rotation, then translation",
"rotation, then reflection",
"reflection, then translation"
] | null | 3 |
math | grade-1 | estimate-to-the-nearest-ten | false | true | How many marbles are there? Estimate. | "iVBORw0KGgoAAAANSUhEUgAAAdEAAAE2CAYAAAA+gqihAAEAAElEQVR4nOz9eZhdR3XvD3+q9jmn55a6NViTNXqSbLDBlkyCAQ/BZjKTB8y9jObJTbjkvSHBIXbuDfww3DfkBt7XCUMMucwhsQHZTDF4xhOxJNvYWG7Jkro1dbesnqcz7131+6Oq9nC6JfWoodXreeyt091Sn7N3Va21vuu7vktorTVzNmdzNmdzNmdzNmGTJ/oNzNmczdmczdmcnao250TnbM7mbM7mbM4maXNOdM7mbM7mbM7mbJKWOtFvYM7mbDpsqJTj5YH9gKA... | [
"about 50",
"about 80"
] | null | 0 |
math | grade-3 | select-fractions-equivalent-to-whole-numbers-using-models | false | true | Count the equal parts. What fraction does this picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAi1klEQVR4nO3dfWwb6X0n8C815FCkSJESJdmUbYley7K16xdtlS2yCzhmkmuMA7KImz00QHCAFVwRFEWKaA8BggOum0UOaFFggSpIEBT9o6v949JL0bRebNDLBtdEzhbrbRKj8tob27JsS1pb1AspkSJFisMheX+MZ8jhDF8kUS/kfj+AYXHIeaF+/3zx6Pc8jyWfz+dBRERERER10bLfD0BERERE1EwYsImIiIiI6ogBm4iIiIiojhiwiYiIiIjqiAGbiIiIiKiOGLC... | [
"4/2",
"4/4",
"2/2",
"2/4"
] | null | 0 |
math | kindergarten | am-or-pm | false | true | Liz is riding her bike this evening. Liz's watch shows: What time is it? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABaCAYAAACCNCH/AAAIoElEQVR4nO3dT2ybZx0H8F9LUFtAjZGo2LRBKkAIhvR6FzSE1vRSUg6k4oDGJe4BasMkF4SW9LLutO6ydhJat4sTCSnOhQkJSE5uJWBFYgwktlggdQMNBcafaQPsgrZCN8IhTcnSJbGdN35t9/ORKlXx+4u/eU5fPXre9921vLy8HAAAQCp2Zx0AAAAGiYINAAApUrABACBFCjYAAKRIwQYAgBQp2AAAkCIFGwAAUjTU8pV/fC7ihR9HvHVtB+PQ1969L+KTRyJuvyv... | [
"6:00 P.M.",
"6:00 A.M."
] | null | 0 |
math | algebra-1 | domain-and-range-of-absolute-value-functions-graphs | false | true | What is the domain of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABlIElEQVR4nO3de3yU9Z33//dkZnIGEhJIMJggIrQgQVG0IFStVl1tbaF1sW4Pdt229q51t/e93Ye/vbu9d/vw5/a3Pexve9tub/d2q+5v99G7bj1UMFIsKDRUkIiBBA8YIBAgh8lxztfMXNfvD5o0kUNm4PoymeT1fDz6sBnmeueT65r5zmc+uXKNx3EcRwAAAABckZftAgAAAIDJhAYbAAAAcBENNgAAAOAiGmwAY9TU1GjHjh0jXx86dEizZs1Se3t7FqsCACB30GA... | [
"all real numbers",
"$\\{x \\mid x \\geq 0\\}$",
"$\\{x \\mid x>2\\}$",
"$\\{x \\mid x \\geq 2\\}$"
] | null | 0 |
math | grade-8 | identify-trapezoids | false | true | Is this polygon a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACVCAYAAABiio2eAAAd00lEQVR4nO3dZ3yUVd7G8Wsmk0mAJIQEZAGpoYgFLFhQFNENoHTpkRBgUZFnbdjdRdfFVURRhFVBFEhoQlC6hqJBisoiS1GUDqGKBAwkQEgmM8+LwJ2iq0ImOTOT3/fd+QecS8qHi8O5z23zeDweAQAAAPAKu+kAAAAAQCChYAMAAABeRMEGAAAAvIiCDQAAAHgRBRsFli83nQAAAMDvUbCR77PPpO7dpcaNpYULTacBAADwWzau6YMkKS9Pcjolt1uKjpaioqTRo6V... | [
"yes",
"no"
] | null | 1 |
technology | grade | parts | false | true | What kind of computer component do you see here? | "iVBORw0KGgoAAAANSUhEUgAAAV4AAADZCAYAAABo6VjOAAEAAElEQVR4nIz9Z7BsWXbfif22OSbN9feZMq98VZfrqq72jUY7AN0kDAmQHM6QQyuFpAhKmo+K0WgkhkKhUEihCH3Rh9EEgyOJQ4iMGZFsEAABEKbRALqrfVd1l7ev6vn3rk93zDb6sPY5mfdWNTUZceO6zJMnz9l7mf/6r/9Sn/nP/kG83S6I57YZ3XMXsSwIJgIRd3LM+qTif/7Lv8Fff+bLGOA3f+/f8n/8r/4rZkAxWufnPvEc/7t/9L/kseGYMfDt73+ff/Lf/r/... | [
"PCI Slot",
"IDE/PATA Slot",
"SATA Bus",
"Memory Slot"
] | null | 2 |
math | grade-8 | identify-alternate-interior-and-alternate-exterior-angles | false | true | \line{MO} and \line{PR} are parallel lines. Which angles are alternate interior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAAb/0lEQVR4nO3df2xV9f3H8ddpS0sVvBeKtkIn1d5QQIFbikOM2+1VGcyJtGRxMxq5EOaPgXDdRHGZk0S/KkpiGUOdCr1NZASnuXchZmVTuZ0G58Itt6J0VIpXwQAK9DKwUH71+4drZ2kLtD235/54PpKbyP20n/NK4wnvvvmc9zVaW1tbBQAAAMAUaVYHAAAAAJIJBTYAAABgIgpsAAAAwEQU2AAAAICJUqrA9ng8CgaDpu65Zs0aZWZmqqWlxdR9AQAAkJhSqsC22+1... | [
"\\angle{MNQ} and \\angle{ONQ}",
"\\angle{MNQ} and \\angle{RQN}",
"\\angle{MNQ} and \\angle{PQN}",
"\\angle{MNQ} and \\angle{MNL}"
] | null | 1 |
science | grade-8 | identify-ecosystems | true | false | Select the tundra ecosystem. This ecosystem has:
warm, wet summers and cold, wet winters
soil that is rich in nutrients
only a few types of trees This ecosystem has:
long, cold winters and short, cool summers
many evergreen trees
soil that is poor in nutrients This ecosystem has:
long, cold winters and short, cold summ... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOz9efgsZ1nnj7+epZbeP9tZc7ISEgmbGHFcUEBBRnRcQEEuBBlUdBhHRgUHl0tHnREchhkvkEEcJCLoiBco+FNmXBAwCAYChBBA1uQkZ//svdX6PM/vj6equvtzThJQEb+m37n69Keru6qeeqo6/a73fd/vW3xg37nrO9BTLLHEEkssscQSSyyxxBcFIwOfnIAYls4tiecSSyyxxBJLLLHEEl9sjAwI55z7Ug9kiSWWWGKJJZZYYokHBvT8iw9+bg8... | 2 |
math | grade-2 | greatest-and-least-word-problems-up-to-100 | false | true | A hardware store monitored how many hammers it sold in the past 4 days. On which day did the store sell the most hammers? | "iVBORw0KGgoAAAANSUhEUgAAAWsAAAC9CAYAAAB1Vlz+AABAP0lEQVR4nO3dd1QU1x7A8e+y9I6hWKJgwYIookZNbBCj8oyNxIoNTGJJYsHYNbZo9NmixtiNmpegaBILGkssWBJLVFAxlogCFogovZed98fKyEpvIng/5+w57Oydmbsz7G9/e+feuQo/tx0SgiAIwiur+8H+aAO896lbeddFEARByMXRNYcA0CrnegiCIAiFIIK1IAhCBSCCtSAIQgUggnUFEiNBwwyJNpkSMeKysCC8VkSwfkXsk2CBKv8gfAoIBa5IMFIlorUgvE5... | [
"Friday",
"Saturday",
"Thursday",
"Sunday"
] | null | 3 |
science | grade-6 | compare-concentrations-of-solutions | false | true | The diagram below is a model of two solutions. Each green ball represents one particle of solute. Which solution has a higher concentration of green particles? | "iVBORw0KGgoAAAANSUhEUgAAAbAAAAEVCAYAAACBn7B3AABTEUlEQVR4nO2deXwU9f3/n7NXjt3NRSBcAUK4IeDFKV4oioAK6s9ara1ai1+/Vr9KrRet9ah3vW211LbWerQVK7RCUTypt8gpCSgJhDMHkPvaZHd+f8zO7GwuNskm2d28n49HYHdmZz6fz+y89n18jlFUVVURBEEQhCjD0tsVEARBEITOIAZMEARBiErEgAmCIAhRiRgwQRAEISoRAyYIgiBEJWLABEEQhKhEDJggCIIQlYgBEwRBEKISMWCCIAhCVCIGTBAEQYhKxIA... | [
"neither; their concentrations are the same",
"Solution B",
"Solution A"
] | null | 1 |
math | grade-8 | identify-similar-triangles | false | true | Are these shapes similar? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAGGCAYAAABBv/YfAABd+ElEQVR4nO3deZzNdd/H8deZM/sMBmPfZhrrjCWUiLJEZA1FqskWRVpciZKdZEkXV0SJydKiLBFlKxSlyT6M3WBi7PcMY8yY5dx/HHNqQlnOzO8s7+fj4dHMOWfO733u+4p3H9/f92uyWCwWRERERETELjyMDiAiIiIi4kpUsEVERERE7EgFW0RERETEjlSw5Trdu3fHy8sLX19f/P39qV69OmvWrDE6loiIiIhTUMGW68TExPDFF1+QmppKcnIy/fr1o1OnTmRlZRk... | [
"yes",
"no"
] | null | 1 |
science | grade-5 | identify-mammals-birds-fish-reptiles-and-amphibians | true | false | Select the mammal. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADeCAYAAABL7FARAAEAAElEQVR4nOz9Waxta3bY9/1n38/Vr7XX7s/Zp7vn3L6qbrGKVcVOFEVRjRtJQAImDhwriWCBhoQICQIkCgIESRDnJbaBGIiR5iGQZMuSFdGkaLKkqiKrubdYt253zj1n73N2v/fq15p9P2ceyoFf+EDkvjgAx9PEh/n4w4c5xzfG+IQPvKZ5aIEj8WfxZ/HfyggqeB7BbQ4dGb7R/tm6+Gdw/yz+2x6OBA+tnz2H1X+zLv4Z3D+L/3+I/6/Tovlv1uQ/6cV/52/... | 1 |
math | grade-5 | fractions-of-a-whole-word-problems | true | false | Hannah and her dad are making rock candy. The first step is to pour sugar into boiling water. So, Hannah opens a 2-cup bag of sugar. Hannah's dad pours 1 cup into the water. Which model represents the fraction of the bag of sugar that Hannah's dad pours into the water? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUgAAABKCAYAAADZq82MAAACBklEQVR4nO3XP04UcRjG8WeXP4WCdhoLO9QjEA7AfTwK9+EAJNwA2Y5CbFklAdmMxQRj88Qsgewm+/lUM/nNJG/1nXcmwzAM1/fJ7DaZL5KHIQAbaXuS7G8ln14l73eTyfXdMJzfrHosgPVy+CbZvrwdbz7sJl9ej/UE2ETzRXLxK/l+n3y7TaY3D+OBOAKbbn9rbGGS/Fwk08U/BwCb7rGFv4dkutpRANaXQAIUAglQCCRAIZAAhUACFAIJUGwv+8Lpx7OXmAP... | 0 |
science | grade-2 | compare-properties-of-materials | true | false | Which would smell more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AAAuuElEQVR4nO2deZAkV33nPy+Pyjq6+r57ujWHRtfoGF1IIBmJlTARQiCDwEBYIlhhIFYII5Bkh8AsIPDCEg5BcBq0hHcXAzYyCJtlgZVBNtIgkNCBztFIM5q776Oqu87MfG//eJnd1T19H9PZrfpGZGRWVlbWe1nf+l3v935PPJpR6vQUpE2qqOKkYtyHF3LQW4YGCy6v1+eNKiGrWC+kTTg9pY8n/KnzRpWQVawnQv65auqcsT5NqaKKuVElZRWRQ5WUVUQOVVJ... | 1 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAENCAYAAAA1yBIEAAAmY0lEQVR4nO3deXzddZ3v8VfSNE33tHRL941uLN0oWwUppSy1BZ3Fq+PVGWccx7ne8TqLK0LLoqPjiIxXvep1dK67d0YfAwWKlkKhFFqWQind9zVt0yXd0jRNcuaPX8rvpGkhSc8537O8no+HPj7fnHDOGx/w4O3h9/1+ixKJRAJJkiRJKVEcOoAkSZKUTyzYkiRJUgpZsCVJkqQUsmBLkiRJKWTBliRJklLIgi1JkiSlkAVbkiRJSiELtnQxDm2GH34Anv6X0EkkSVK... | [
"no pairs",
"2 pairs",
"1 pair"
] | null | 0 |
math | algebra-2 | find-inverse-functions-and-relations | false | true | The graph below shows a function. Is its inverse also a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABpX0lEQVR4nO39f3hc5X3n/79GM6PfkiVLtmQbJGMMJjaSwGCIjY2hEKCQkNpp1jSb0Oym7dItoZvdZD9pr7RXmw8Xm/22STeEpEnabIBsv5sNG0gBIxwTjO3YAWNhy5YAY4ytH7b1y9JIM5ofZ87M+fwhH8XCvzT2uT0a6fm4rlxE4zlvvXXue855n3vucx+f4ziOAAAAAHgiL9sJAAAAANMJBTYAAADgIQpsAAAAwEMU2AAAAICHKLABTPC///f/1o4dO8Z/tm1bjz7... | [
"no",
"yes"
] | null | 0 |
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? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAZIklEQVR4nO3d+XMU573v8Xf3rJoZLWhDO5LAgNlXg8FwvCSxncSx45TjOlnvqcq9P97zy/kDzr9wf7yVU65z4+ScSmznhhyCwbExNhgwIEAYLIRAQutol0aj2ae7zw+taUlICAGSeiR9X1UUpdEsrXl6Pv08336mH8UwDAMhhABUuzdACJE9JBCEEBYJBCGERQJBCGGRQBBCWCQQhBAWCQQhhEUCQQhhkUAQQlgkEIQQFgkEIYRFAkEIYZFAEEJYJBCEEBan3RuwEBJ... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAiWElEQVR4nO3d6XNU570n8O85vXdrQxtqbUgCA2ZfDcbgJCaJl9jxNjibY8+typ2Xd6qm5u3cmrcz/8FUbrlm4uSmEju5cUwwODYmBgNmFwYLISGhvbW1Wup9OeeZF0fdWoEGWuec7v5+qlwqtaXWIz1P//j2c379tARAgIgIgBACvgTQHQGCCpBidSCiHLFKQKkFeMINrLYDEhhAiGiWLy5wYcboURBRodtXBliNHgQRmUdXRPvotQMbPNqzFSKiXAgqQGcYGEk... | 1 |
math | pre-k | count-shapes-up-to-3 | false | true | How many rectangles are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAACbCAYAAAAX3e8+AAADz0lEQVR4nO3asY7MURiH4fOfGVZYbOi0LkKrcD1uRu1+dO5CopAtVhbBHJUL2GQ2J3nneeqv+JVv8W1zzjkAAICE3eoBAADA6Qh8AAAIEfgAABAi8AEAIETgAwBAiMAHAIAQgQ8AACECHwAAQgQ+AACECHwAAAgR+AAAECLwAQAgROADAECIwAcAgBCBDwAAIQIfAABCBD4AAIQIfAAACBH4AAAQIvABACBE4AMAQIjABwCAEIEPAAAhAh8AAEIEPgAAhAh8AAAIEfg... | [
"2",
"3",
"1"
] | null | 0 |
math | grade-3 | identify-multiplication-expressions-for-arrays | false | true | Which expression describes this array? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACqCAYAAACXpjjmAAAfTklEQVR4nO3da5RdZZ3n8d+zL+dULpVKJalcwKRSCZcAIaI0l2gjdIPaOoDY7bBW26K+kOlZLdODgA7a4RIJ0KJrOUz30mXbtLOWCqzGEQz2qOjMAtsWgtINIkQDqSJpIJVUkkqlQqXq7MszL0oYFALsvZ99zj6nvp+1eHf2//mf9Xtxfuyc2sdYa60AAAAAOOG1egEAAACgk1CwAQAAAIco2AAAAIBDFGwAAADAoaClp8f7ZQ/vlCSZWSukYEFL13HJTg7JTg3L1Jf... | [
"3×5",
"6×3"
] | null | 0 |
math | grade-2 | identify-repeated-addition-in-arrays-sums-to-25 | false | true | Which addition statement describes the array? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAByCAYAAABpy6akAAAKoUlEQVR4nO3dv29cadkG4OdbrUi1nhRQrSP7QMVSxFNlA4LxkVgQAilxIpCWJmNBn5nlD/AZeuLjnsCkQkoKXG5E4SOvZMsV06y2gj1SdqttxulcfRSWhwVW2dg58yOvr6vyWCPNc3e3Xj163/8riuL/I1FbW1v/87/BYDCHSWZDXgCA+Xtj3gMAAEBK3jz7I6XTwJc5tZX39ZXyqTwA8Ppzgg0AAA1SsAEAoEEKNgAANEjBBgCABinYAADQIAUbAAAapGADAECDFGw... | [
"2+2+2",
"5+5",
"4+4+4"
] | null | 0 |
math | pre-k | cylinders | true | false | Which shape is a cylinder? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAZTUlEQVR4nO2db1CTd57APwqEAIHES0CoSUUPok51iH/WDm7daumLtatT7czSnX0jbl/0ejN13e7OzWx3OmtnW/dmZ9r12s517sWu8OpaO1Pt6uq+KEqrwpxViSc9JHCCJhQEsiQQQ8Kf4148eR4TCJqE/CW/z4yjJCHPT/jk+3x/39+/ZbOzs7ODk9DjhfEZmJ5FIEg7cpdBcQ5UF8JKFSwb9M/OXh1LdbMEgsh5ugRyu73SFxUqWFckWS0QpBvjM9D1AAYmwea... | 1 |
science | grade-5 | animal-adaptations-feet-and-limbs | true | true | African jacanas live near rivers and lakes. They eat insects and snails that live on plants floating on the surface of the water.
The feet of the jacana are adapted for walking on large, floating leaves. The jacana uses its feet to spread its weight out over a wide area. This helps the bird walk on the leaves without s... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOzdebglRX34/3dV791nP3e/s88wDDCsgqKCEXcIogio4Ioa/WqMEgNBSdS4xOWHUaPihkFASYyoiMSNLS6IMDAssg/D7Mvd71l7767fH9e5cRCYq47R6Hk9zzxz7+lzqutUV9f9dHVVtVBKqTRNyfOcnp6enp6enp6enp7/m6SU6LqOSJJE9YL7np6enp6enp6env/7pJTIXnDf09PT09PT09PT86chz3PkHzoTPT09PT09PT09PT37Ty/A7+np6enp6en... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9d7xlVXn//15ll9Nvnz7A0KuAotiDmigEUYoFNBrUaEyMIQaCmkRj+cb4w6iJYg9SJIkSBTQRpUUUEQcQJiAgZYaZYeq9c8upu6zy+2Ofe2EQmKuSr36T8+Z1X8ycc+4+66y99p7zWc/zfB7hvffGGJxzDBgwYMCAAQMGDBgw4P9NpJRorRFC/LqHMmDA/0jkQDgPGDBgwIABAwYMGPD/Ps45jDG/7mEMGPA/FjkQzgMGDBgwYMCAAQMG/M9g8N1... | 0 |
math | grade-2 | choose-the-appropriate-measuring-tool | true | false |
Which tool would you use to find out how long it is until a movie starts? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAACoCAYAAAACcRc/AAAbzklEQVR4nO2deXQc1b3nP1XVVd1aWostS7Ik27JkGxt5wWaxHZbYYwNmycAzWSaYkGSeE8h5wwvkwMQ8ePzBkpOBcwIhmZCcAwSQA0wIWXjh2H4PG7DBxisOYONNlixb8ibZslpLd9dy54/qLqm1eFV3S/L9/FPqVi+3Sh9969atX91ShBDiSBT2dUDIBksgkZwzPgWCGkzMhCIDlCMRITa1prtZkuHE7Bzw7e1wH4w24JIs1zqJ5FwJ2bC7HQ5HYU8HqK2W+ws... | 3 |
math | grade-2 | how-much-more-to-make-a-dollar | true | true | You have these coins:Which coins do you need to make a dollar? | "iVBORw0KGgoAAAANSUhEUgAAAUEAAACMCAYAAADiDxvvAACj3klEQVR4nOz9d3xc53mnD1+nzpk+Awx67+y9U6R6tbq7bMd2mtMTp+xm19lk19n83t317mbTnbi32FZsuUhWpyhR7J0gQAIkiF4HmBlMP3Pq+8dAiB2XqLoJlz76sAA4PPczc77z3M/dBNd1XVZYYYUV3qSIP+kbWGGFFVb4SbIigiussMKbmhURXGGFFd7UrIjgCius8KZG/knfwJsJ17EpFgrksxly2QzpxUUKiwnyegkRCEYrCEYqCfj9aH4/4XAERVURBAEE4Sd... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5kAAACMCAYAAAD2pW2TAAEAAElEQVR4nOzdZ4BkZ3Xg/f+NlVNXdc55enKOmiSNNJKQkBAChIjGRAG2xWLMLl7wyl4vwTZhzdrYAgWMASEJZWkkjcJoNDl298Tu6ZxT5XjT+6Fm2mC87yoL8P3pQ/fMdFffc6tVdc99znOOYFmWhc1ms/0nJQjC230INpvNZrPZbL9XxLf7AGw2m81ms9lsNpvN9vvDTjJtNpvNZrPZbDabzfaGsZNMm81ms9lsNpvNZrO9Yewk02az2Ww2m81ms9lsbxj57T6... | 1 |
math | grade-8 | identify-trends-with-scatter-plots | false | true | Does this scatter plot show a positive trend, a negative trend, or no trend? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAg3UlEQVR4nO3dfXCV5Z038F+A8iIYGDQVTMriJC7ImMlhQyuajG63uy1sSNVq11adYl1Zy9btm7sLdaZdtr7R3W3pFgHrOq22tOuzi05d0NJxVouEAaxZ4hNq6T6hIgaNhq0EIgIFzvNHH/M0hUDg3OfcOeHzmemM576S/L427eSbO9e57pJsNpsNAAAgEUPSDgAAAIOJgg0AAAlSsAEAIEEKNgAAJEjBBgCABCnYAACQIAUbAAASVLCCfeDAgThw4EChxgEAQCoKVrB... | [
"negative trend",
"no trend",
"positive trend"
] | null | 1 |
math | grade-6 | which-is-the-better-coupon | true | false | Which coupon should Fernando use to save the most money on a sleeping bag originally priced at $52? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAASYAAACTCAYAAAAjtLSoAAAjiUlEQVR4nO2deWBU5bn/v+97zpnJvpEFSAiQQFgSUAREZHMDt4pLKbbaq3a719r2Wuu1rbW9re3vahdv/VmtWntb295q6664s7gAKktQgQAJIYmEJJB9z2TmLO/944SQyZzJzJxzZjIzeT//JHnPeZ/3mcmc77zr8xDGGDvlAY4NAL0qoDBwOBxORBEJkCoAs5OAPAdATrkZ29Mz3m5xOByOzrI0QKwe0P+Y4gDmJOuqxeFwOJGkVwWq+oGTHuDoAEB7FP0CFyU... | 0 |
math | pre-k | cones | true | false | Which shape is a cone? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAUV0lEQVR4nO2de3Bc9XXHv7+7T2ml1cO2ZBvLNlaxwHIswDbGlBKSAsFDQjLtwLQDE/qEmueUKU3DtM1MIZ3OZJgE8xhI6VAgpZNJmTaQ1CmYFIKxa2ODkWXZsvFDtmw9V7ta7Ur7vL/+cfc+dqWV9969u/fe9fl4xrva+7u/37mro989v3POPT/GOecjKeCLGWA6C2Q4CMJ2uBnQ6AKuqAfavQAbSXK+P2q1WARROluCgPvEjPTDMi/QFZC0miDsxnQWGIgDwyn... | 1 |
science | grade-7 | identify-rocks-and-minerals | false | true | Gypsum has the following properties:
fixed crystal structure
pure substance
naturally occurring
solid
not made by living things
non-metallic luster Is gypsum a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAB3iklEQVR4nO39SZckSXYljF0ZdLLZfIg5cq7KKhSAbhwMDfADQXZzQS56xeW35b/jgv+gT/M0SDa+7iaaqEJV5RyZMXn47DbrJCJcPBFRUXVz98iKAiozwt85HuFug5qaqjx50333MWOMwa3cyq1sFf6HPoFbuZUfstwqyK3cyjVyqyC3civXyK2C3MqtXCO3CnIrt3KN3CrIrdzKNXKrILdyK9fIrYLcyq1cI7cKciu3co3cKsit3Mo1cqsgt3Ir18itgtzKrVwjtwp... | [
"rock",
"mineral"
] | null | 1 |
math | algebra-2 | find-inverse-functions-and-relations | false | true | The graph below shows a function. Is its inverse also a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABlu0lEQVR4nO3de3RU933v/c9oZnSXkJCEJAQSYAy2MMJgYxsMMS6O7dqJG0h77Pbk4h63Pc6Jm5z2ac/K6ZPT1eTx8kmfNmnj2mmSnpzY6eo6afzUduOLTHCMDRE2GBkEEhhkAboAuowuo7nvmdn7+QNLQQZsyewfw8D7tZYX1mj2R1/tPbPnM1t7ZjyO4zgCAAAA4IqcTA8AAAAAXE4o2AAAAICLKNgAAACAiyjYAAAAgIso2ACm+D//5/+opaVl8utUKqVHH31U0Wg... | [
"no",
"yes"
] | null | 1 |
math | grade-6 | interpret-bar-graphs | true | true | Who gets a larger allowance, Tony or Mark? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAFVCAYAAACaSJtOAAA3e0lEQVR4nO3deXTV9Z3/8dddcrPvCwlbwhoIYFhkCyCgUkHcogiltZRx7LSMHmfajq3Htj/HVhmnPVI9B+3UM1pOtSNVDFassm8SNokhELawBBBCCNn3u//+wNwSE2W74X65eT7O4cD9fD/3+31/7/XG1/3k8/18TV6v1ysAAAAAQcEc6AIAAAAA+A8BHwAAAAgi1kAXAHQnixYtkiT90z/9k8aNG/e1bQAAANeKgA/4idvt1lNPPaWmpiZJ0nPPPafU1NR2fTwejyT... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA44AAAFVCAYAAACgkbFRAAA8tklEQVR4nO3deXxU9b3/8fcsmez7zhb2QADDIlsAWZSK4kIUUVql6tW2VK+91Wqtt/68tmq9+pDqLdqr92p9uFTcQMWqyI5EFokh7IQdIYQQsm+z//6gmUtMHLYJZ5K8no8Hjzjf851zPmcmE/PO93u+x+T1er0CAAAA0CGYTCajS0AHZDa6AAAAAABAcCM4AgAAAAD8shpdANCZzJ07V5J0xx13aNSoUT/YBgAAAAQTgiMQIG63Ww8++KDq6uokSY8//rjS0tK... | 0 |
math | grade-3 | fractions-of-a-group-denominators-2-3-4-6-8 | false | true | What fraction of the shapes are circles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABKCAYAAACB4iNkAAAK60lEQVR4nO3dO3BbZRrG8UcXS0cXS7IdxzabbGzGzsRbxe5SkFlS7EygyjaZhQpSAy0MKckstMBsF+hgoCAV2ZktApMtoLIpdkkGZyJ7ycZKHNu661g3byHLLMSKpeScoyPp/2s91nm/M9LzvfOdy+fZ3d3dFQAAAABLeLtdAAAAANBPaLABAAAAC9FgAwAAABbyd7uApuXVHUlS3qxLkqJGo/dfmA52rSYAkMgnAEBnHG+wV9bL+uftkpaSpn5KlVXYm7AOEzG8Ojk... | [
"4/8",
"2/6",
"4/6",
"5/8"
] | null | 1 |
math | grade-7 | perimeter-and-area-changes-in-scale | false | true | Look at this rectangle: If both dimensions are tripled, then which of the following statements about its perimeter will be true? | "iVBORw0KGgoAAAANSUhEUgAAABcAAAAOCAYAAADE84fzAAAB5UlEQVR4nLWRv8txcRjGbwxOJ/V1EsmARSmUwWCxWIxKWQzyBxiNFp1RGY1KZPUjhcWgZGI1KgyUOKccTgdd7+DtvD0vPT1v7/Nc2/fu6vO97us2AAD9kIw/Bdbh0WiUzGYzcRxHHMeR0+n8L6jVaqXtdvuES5JEi8WCVFUlVVVpt9t9Q+7fyWVZJsbYp8ZCoUD5fF5/n04n4nmeDocDjUYj8vl85Pf7SRRFMhgMTxMAcByHVCoFh8OBYDCIfr+PvzWfz+FwOHC73QA... | [
"The ratio of the new perimeter to the old perimeter will be 1:2.",
"The ratio of the new perimeter to the old perimeter will be 2:1.",
"The ratio of the new perimeter to the old perimeter will be 4:1.",
"The ratio of the new perimeter to the old perimeter will be 3:1."
] | null | 3 |
engineer | grade-8 | laboratory-safety-equipment | true | false | Select the apron. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AAArE0lEQVR4nO3deXxcV3k38N9z7r2zSbLlfYmW0WLFS+wsToqdfTFLgFAIDSSs/XSBpi1LgUJY+xaaAoVSXgpJCW9L2UrK3iSE7CFpbCcQZ3Fix5JlbZblWHYkW8ssdznP+4dkW8vMaCTP3JnRPN/PR59k5m6PR/rN3c49BxBCCCGEEEIIIYQQQgghRG5QoQuYrxobGxd6Hm02LDovHAq/1TDMWhAiYJ76mbux0dEDjuOOZrNeJmgFnGDwMEEd09B9IDpEWnfEKiv... | 3 |
science | grade-2 | identify-plants-and-animals | true | false | Select the animal. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADeCAYAAABL7FARAAC9y0lEQVR4nOz9d5hlR3XvjX+qaocTOvd0T08OCqM0SCiCEAgJRBSYaIxt7Ot8fY19bf+c7Yvti41z5IJxNuaCCSZHy9hgE4SQkADlrBlN7p6Zjifsvavq/aOq9t7ndI8Q8P7x/p7HW8+ou0/Yu8KqVWt913etErcuWbuvDaOK/7r+6/r/5LWi4f41OJrBZATXTLjX5X8J7n9d/1+/RhXsa7vfV3X1uvwvwf2v6/8friCnua1eizb64N2PziOEwNrqk+F3ay2S6j0... | 0 |
math | grade-2 | place-value-up-to-hundreds | false | true | What is the value of the underlined digit? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAiCAYAAABlRa5TAAAD6ElEQVR4nO3dXyh7fxzH8dfGxYaZyBQpUpSiKCul/MmNS3eSm90suXDLxVy50e5ciCvl6ovcUXbFriQ3UuLSKCNLzPInrP0ufjnZF7PvHH2Pb89Hndqns9e7z+Wr0+lzbKlUKiUAAAAAprD/7Q0AAAAA/xIKNgAAAGAiCjYAAABgIgo2AAAAYCIKNgAAAGAiCjYAAABgIgo2AAAAYCIKNgAAAGAio2Cfnp4qEAioqalJxcXFqqioUE9Pj4LBoJ6ent4E4/G4bDZb1ld... | [
"20",
"200",
"2"
] | null | 1 |
math | kindergarten | one-less-with-pictures-up-to-10 | true | true | Count the starfish in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABAeUlEQVR4nO3dZ2Cb1dnw8f8t25KHvCRvO7a87SROApkOJIQMRhajrECA0pZS4ClQ+tKWh/YpLR10sstqC4SEDVnsDEYgcRYhsZN4721LHpI8ZFvn/SDbsWOHAk2IE67fB8i9j+7jD5eOrnMdTSmlEEIIIYQQQhwXupPdACGEEEIIIU4nEmALIYQQQghxHEmALYQQQgghxHEkAbYQQgghhBDHkQTYQgghhBBCHEcSYAshhBBCCHEcSYAthBBCCCHEcSQBthBCCCGEEMe... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA1YAAAB+CAYAAAAnS4CtAABeYUlEQVR4nO3dZ3xb5dnH8d+RbclDHpK87djytuM4AbJDEkIGKwkBygokjLZAgRbobh+6KG2hk11WSyEDKCOTnQENkNiZxHYc771tyUOSh2zrPC/keMQOhWY44/q+IEjnSOeWjv35/C/f51y3AqgIIYQQQgghTghVVal3QnEH2PqgV9L2WcdTAX8PSPKFMK37OQUprIQQQgghhDhh6rtVdreP9SjEqTI9AEK14DnWAxFCCCGEEOJsUtTh/jdCCyl+7pkNcXax9UG... | 0 |
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. | "iVBORw0KGgoAAAANSUhEUgAAAg4AAABSCAYAAAA8aFycAAAPaElEQVR4nO3df0wU558H8PewuCyUoquIoqbidjEoNipqrdVaBdQiWC1Fba5eRC3FhlrUmGpy2tK0pKJW5UyqUsMJGm3P/riKhWsv9jClfGuF1F9IoUhFC/i1ll8VdoFd9v4wbPQQmV13Z3aG9yshYZZnnvnM7PN5+OzM7K5gs9lsICIiIhLBS+4AiIiISDlYOEjg/PnzEAThvh+tVouwsDBs2bIFd+7ccai/hIQEREdHOxXLpUuXEBYWhkGDBjm1PhG5jqfMDVeuXMG... | [
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 2."
] | null | 0 |
math | grade-8 | similar-and-congruent-figures | false | true | Are these shapes similar? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADXCAYAAAAgGib5AAA830lEQVR4nO3deVhb55k28FsSQoAAsQixSIAxYCOBl9jguJkm02Sc1UnTpE7G2frFXzpNp5lx0iatnW5p6zSTdia5nDTtpOk4aTxJlyRu2tSp66+eTuLE9QK2YwMCDLZZJBZJYASIXdL3x5EOlpEXsOBouX/X5UsgHcRDSsWt5zznfWVer9cLIiIiIiIKCbnUBRARERERRRMGbCIiIiKiEGLAJiIiIiIKIQZsIiKiGPOTn/wEN9xwQ8B9X/ziF3HjjTcG3Pfggw/iG9/... | [
"yes",
"no"
] | null | 1 |
science | grade-3 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAADfhUlEQVR4nOz9d9gs2VneC//WWlXV/cad04Q9SSONwswgIQkJEJJQAA4WDmBszodtfH0fjseY5Ms4HR8TLg44yj5OgHHAHAwimGAhhCSUcxhpNDnsSTund7+pu6vWWs/3x7MqdO93z4zQzN7vzNS9r9qdq+vtrq66173u536MiAjAeDzm+PHjrK6u4r2nR48rjSzLWF5e5tChQwyHw2f1vfr9v8d2Q7//93gh43Lu/z16PB9hRERGoxEPPfQQ1113HcPhkDzPr/R29eh... | [
"salty",
"sour",
"yellow"
] | null | 1 |
math | grade-2 | place-value-up-to-hundreds | false | true | What is the value of the underlined digit? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAiCAYAAABlRa5TAAAFhUlEQVR4nO3dTUhUXQDG8efOjKVkk9YktHIxkSEVFgwhaNjCRSRhMBnVIoIIqehjUWaLINq1cGNNRFCGBCFIBJEVRVGE5coPhJKgD8iJnKycorGabosXzzvzzkw5eW3k5f+DC+fcc8859+4eLueea9m2bQsAAACAI1y5vgEAAADg/4SADQAAADiIgA0AAAA4iIANAAAAOIiADQAAADiIgA0AAAA4iIANAAAAOIiADQAAADjIdfXqVVmWNenj+PHjSQPEYjG1traqqqp... | [
"7",
"700",
"70"
] | null | 1 |
science | grade-3 | identify-solids-liquids-and-gases | true | false | Select the liquid. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AAA8pklEQVR4nO2de3wU9b333zN7yWaTAAFCuN8vigqichOKxdpTetrnxfGxasVzah84VkygVsEjpkfkIgGVaOUm1Fpb7eOx9Tm1VE9LWxUrXriJiIgQhADhlgBJyHWzl/k9f8zuZnZ3ZnZ2s0kWms/rta+d+c3vNjOf+X5/3+/vJu26KMSoLMix0YlOtCvqAnCoAc54IdcOU7up4XInITvRUcixwags9bg+0BIudxKyEx2JEP98oiVM7piqdKITxugkZSfSDp2k7ET... | 1 |
science | grade-4 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAADOiElEQVR4nOz92Y9kW5beif32eAYbfAiPiHtvTpVVLLKyssgmKbYe2GK/CUIDAvSn6E+S3gmoIQECCIktqFuAmkJ1UwPAZrKGrMrhTjH5YGZn2KMe1jbzuMmiUMyohxZQDjgiM66Hudk566y91re+71vqjx9r/Xsb2Bn+9utvv/5H+XXI8O9O8HWAGwv/s2v5e/23gfu3X/9j/9oZ+Hsb+d/H/Pz3+m8D92+//v/h6xynsT7/nf2rfvB/+7/5X1NUJefMKR45zQe... | 0 |
science | grade-6 | predict-heat-flow-and-temperature-changes | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAWIklEQVR4nO3de5Qc5X3m8e9bVd3TPXddZyQhiZuEBLK5GoHhLALMnjiO7GTxiS8xjk0SnySOT+LdJfis7bU32BzH2Ens2InPxoT1YoixNyYEbDAxBJwAsQRIwkL320hiRqPRSHPpnr5WvftH9Vw1gjFqVVePns85HDQ903Xe7qp+6n1/9b5dxlprjxRhzwgM+1C2iIhUhWegxYUVjdCRBHOkYO2GoVo3S0Rmu7Wt4O0eCX9YlISLmsI0EhGphmEfdmahpwi7RsA... | 1 |
math | grade-5 | compare-fractions-and-mixed-numbers | false | true | Which number is greater than the one shown? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAasklEQVR4nO3deXCb9Z3H8c9jy7J8xZLtxMaOZTtxbOfExAQnJEAODgcoIZwBttRsl7bssNDZHrPL0XYZYLrATgnd2S6bdEpLyQGl3CSQOAFykYTEzmGCYzuHEyc+5UvyIUt+9g/5UeQnciJLj6Sf7c9rpgyVpUdP5j3Iv0j6fR9JlmUZRERERESkiYhwn4Av9tR9gm21b4f7NOgS2Eh8bCQ+NhIfGxGRL3ThPgFfvLTtR3DKDiREGzFv8s3hPh3ygo3Ex0biYyPxsRE... | [
"3+2/3",
"7+1/3",
"1+1/3",
"2+1/3"
] | null | 1 |
math | grade-4 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines perpendicular? | "iVBORw0KGgoAAAANSUhEUgAAAGsAAABLCAYAAAB3E3k6AAAJ00lEQVR4nO2dfVRUZR7HPwxvjkgDHSU9JIqm4PIy6BaESzPI2FroQma2HrI9a8fyVB63bW1TY/NYm9o5alm5HavVdlPW9a2WSnNzkEFLpdYYxjcqRRAXQ1dmeBucgbn7BzDNJZG3OwwD93MOfzDPc+/z3POd331+z+/3u3d8BEEQkPEKFJ6egEzXkcXyIiQRq6jUxL+O78Ncb5HidDId4CPFmmWutxD5eDw1DTXcdccUnkxfSGZSOiFBKinmKNOKJGIBPLclmw25m0S... | [
"yes",
"no"
] | null | 1 |
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? | "iVBORw0KGgoAAAANSUhEUgAAALEAAAB2CAYAAACHxHLJAAAXlUlEQVR4nO2df0wUZ/7H38AuW3YPlMW5ek7PpYjhR7AtBwRa2zFiTmhrg0CC0GpaTXNY7i6N5Y/Kidd/ACX9Htr74fW86yVqONtQD2kuQU1tKmiqwMYzRwSvqCe/CbrLr11YmN3n+4fZ6S7sj5nd2Z/OK5lkd2fmeZ7Zec8zn89nnnk+EYQQAgmJECYy0A2QkPAWScQSIY8kYomQRxKxRMgjiVgi5JEFugESocOlS5fw7bffYnBwEMPDwxgZGcHIyAgUCgVomgZN03j... | [
"unlikely",
"probable",
"impossible",
"certain"
] | null | 3 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAc4ElEQVR4nO3dfXBV9Z3H8U9CnjAEgSCBACFAAcUqalFx3EXHHe3aqW23a4WS8piKu9U6XZ21o9vtsNPdOstu3alrdyvyGEGRuq7ojha6tciuI1bKGh/QSI2E56ABJAKBhGT/iPR77s3N073n3t85575fM0x/32s452uHPz5mPvyS09HR0SEAAAAAvsh1vQAAAAAQJQRsAAAAwEcEbAAAAMBHBGwAAADARwRsAAAAwEcEbAAAAMBHBGwAAADARwRsdO/FH0nLvykd2+d... | [
"1 pair",
"2 pairs",
"no pairs"
] | null | 1 |
math | pre-k | fewer-and-more-compare-by-counting | true | false | Which group has fewer? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAIsklEQVR4nO3dP1Mb5xqG8XtlsUhC/z2CYQRp4OQUTuUUGVORjlS4owrp8m3yXZwuXfr0LnJsTwp75oCZFAiQQQg2hVgFCUm7Wq302LzXr0nszMg7ji/ex1qelRcEQXDUkd62pbMbqRsIwJxkPan0RPpPQVrzJe/oKgj+aFlfFuCe78pS9k2794N1X/rvSq9OAPNxdiP9eSH9vyP9ry1lWt3efyA+YP5KT3qtSdL5jZS5ufcfAMxf2Np1IGVsLwVwGwEChggQMES... | 0 |
math | grade-5 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACNCAYAAACNDw1oAAAbOUlEQVR4nO3df1iUdb7/8dcwDAKCCKIYKij+ll1MRkCN1dUWUmPxZFpim5r5K81K+2GuZrll657Otqe2s6cO/TjS2c1q43y35bSZ+5VTy/coIpZU6GKMOUpG4E4UwQjNzPcPk7MTVioz3MA8H9fldenlPff9Gv968fFzvz8mj8fjEQAAAACfCDI6AAAAANCTULABAAAAH6JgAwAAAD5EwQYAAAB8iIINAAAA+BAFGwAAAPAhCjYAAADgQxRsAAAAwIco2AAAAIAPUbA... | [
"acute",
"right",
"obtuse"
] | null | 1 |
math | grade-6 | identify-trapezoids | false | true | Is this polygon a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADzCAYAAAC8J2HZAAAlFElEQVR4nO3de3xU9Z3/8fdMJheSQMI9EDBACOGmgqKCInIVRBCQUkRBV1TAy7b9rW3tVrvqrm1/tdtuu90qKEUFvCBF5CIXA4iAiALK/RII90AgAUIIISGTmf2j3W+GqoHAzHzn8nr+9fnOHOa8H2L0zeHM+Tq8Xq9XAAAAAPzCaTsAAAAAEEko2AAAAIAfUbABAAAAP6JgAwAAAH5EwQYAAAD8iIINAAAA+BEFGwAAAPCjqC3Yr2ydo+y3x2jevtW2owAAACCCOKJ... | [
"no",
"yes"
] | null | 0 |
engineer | grade-6 | evaluate-tests-of-engineering-design-solutions | false | true | Which of the following could Warren's test show? Warren was a mechanical engineer who was designing a weather station to record temperature, precipitation, and wind speed. The weather station would be used in a town where the highest recorded temperature was 40°C. Warren wanted to make sure the weather station would wo... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAE3CAYAAADBi3hdAAEAAElEQVR4nOz9aZBd6Znfif3e5Wx3v7kDiX0poPYqslhkF8lmN6leJHWrp2MkdY9Cki07JqywYmzPfHGEPbbk8IRi7HHMhMP2jEYtyfpgjyV1qzXqjWRzaZLdXIusfQEKhR0J5H73e8/2vq8/nJOJBKoKKDILBIqV/wjEzYvMs5/znGf5P/9H/IN/8A8ce9jDHvbwIcJ//V//1/dluxrgz5d/cVcrseLOv3fuzjZZiLusYJe42/rv9sa46/K7PL57ffx3gxBql8vv9vy... | [
"if the weather station would work when the temperature was 50°C",
"how well the weather station would work when it was windy"
] | null | 0 |
math | kindergarten | am-or-pm | false | true | Max is eating an apple for a morning snack. The clock shows: What time is it? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABZfklEQVR4nO3de1zT59k/8A+IAYF4IBwMrRpQoVbSE20BtYrSatcJttWuyp5tfaZ2a7dV1uMK27p2j/SwdoPuaX/btFu3ZwO3alvArpUWBW0BW+nBoBa0IbY1GCSeQhACwu8PlkgghzsnEuDzfr18SZL7+/3eteSVK/f3uq8rqL+/vx9EREREROQVwf6eABERERHRWMIAm4iIiIjIixhgExERERF5EQNsIiIiIiIvYoBNRERERORFIf6eAPnfBdNFdHb3wtjVO/B398D... | [
"9:00 A.M.",
"9:00 P.M."
] | null | 0 |
math | grade-5 | is-it-a-polygon | false | true | Is this a polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD9CAYAAACGLQCpAAAZm0lEQVR4nO3dz2/c9f0n8Kex4xkS4nH6pXYucXIx+EBEDqmIRCQipVIjciBqD+1y+dK9bPe0+6fs91T11C8Xuj1sRQ6JQNpIQQoSETkEhYPBF2MujsuSGRLCjI07exjP5Ach8Y+xP/Pj8ZCqIlJ5XgUfnn759X69RprNZjMAAEBXPFd0AQAAMEgEbAAA6CIBGwAAukjABgCALhKwAQCgiwRsAADoIgEbAAC6SMAGAIAuGiu6gGGxsryWRqOZWvXH1Krrqdf/lZXltc6... | [
"no",
"yes"
] | null | 0 |
math | pre-k | what-comes-next | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAD1CAYAAAAlI4EUAAAXUUlEQVR4nO3d/Y8c930f8M/u3u7enShSUVupsl24gJqiPxTILymCAnGNAkWA/jkFGkBBJNuKBBsWoKZygcT6IQEcWImLwPEDXEuNVUGSk7qoZQlp6oZWJFCUyePDkccj73EfZqY/rEhREu+Oc5yd2f3u6wUIEsm7mS/f+nDx5uzMd1tFURQBAAAkod30AgAAgOoo+AAAkBAFHwAAEqLgAwBAQhR8AABIiIIPAAAJUfABACAhCj4AACREwQcAgIQo+AAAkBAFHwAAEqL... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAAD1CAYAAACRDCAyAAAa6UlEQVR4nO3d/48c93kf8Gd2b3fvThRJqy0V2S5SwE0boAXyS4qgQFyjQBCgf06ABlBgybZiwYYNuKlcILZ+cAAHdqwicGwZru1arGDZcR3YstQ0dUIrFijR5PHbcXnkfd0vM9MfzqRIkfdl7mZndmdfL0CA7m5v5uHDB8N978x8JsnzPA8AAKARkiSpu4Sp1Kq7AAAAgEkTfAAAgMYTfAAAgMYTfAAAgMYTfAAAgMYTfAAAgMYTfAAAgMYTfAAAgMYTfAAAgMY... | 0 |
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? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAABChElEQVR4nO2deZxbVdn4v89NMp2uk2S6TSZTWiht6bQFocouIIi8slMWAQuoiMoiq+irovBTXFgFRBQFlVX2XV9kkR2VsrZTum8zyUyXSTLdZ5J7n98fN9OWkmRyb25mppDv51NKJznnnknuc895dqhQoUKFChUqVKhQoUKFChUqVKhQoUKFChUqVKhQoUKFChUqVKhQoUKFChUqVKhQoUKFChUqVKiwIyF9vYBPDWPHBgOB9FjLl4mC1IoltUCtilWLIoZIaPshlrI... | [
"1\n8\n of a full turn",
"1\n9\n of a full turn",
"1\n11\n of a full turn",
"1\n10\n of a full turn"
] | null | 1 |
technology | grade | icons | false | true | This is a(n old) logo of which famous app or program? | "iVBORw0KGgoAAAANSUhEUgAAASYAAAEsCAYAAABuXx68AABpZUlEQVR4nO29eYwkx30u+FXWXdVV1d01M91z8WoeIofSjESaOijPaAmK73kMG0+CJdHQmsCaXDwI3gW860fbHNhYGPaS9tIL24AsvgdotIDWu6KsXUl4C41XpKz10KStR4m2aGkok9Lwmqt7Zqqv6q4zs3L/iPxVRkXlEZGVWUd3fUAjOurIjDryqy+++P1+EXvl+69hiimmmGKcoI16AFNMMcUUIhKjHsCkoaLD/EF2AQCw9vYV3FJM4AdaAQBwpe3+vP1J+//59TX... | [
"Whisper",
"Skype",
"Adobe Audition",
"Opera"
] | null | 1 |
engineer | grade-8 | laboratory-safety-equipment | true | false | Select the gloves. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AAAja0lEQVR4nO3de3gcZ30v8O9vZnellSVblmznQi52osaSd3fkZCGJkhScBsIlhQCpHnKhEM5pSMPD6dOnUCgUKIWWUiiHkvO0XMoJkCcFDj5QLoWUBqhIgRQOItZeYhMc4oCDjZF1W0nWXub9nT+0sxmNpdVtd9+Z3d/nefxo3tFI+u56fzuzM++8LyCEEEIIIYQQQgghhBBCCCGEEEIIIUQLId0BRP0kk8mOycnJF9m2/QoiuqxUKnUAaCt/Ox8KhWaZORsOhw9... | 1 |
science | grade-3 | natural-resources | true | false | Which of these pictures shows a natural resource? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAV4AAAElCAYAAACszooYAAEAAElEQVR4nOz9zXYsSZI0iImqmXsA92b11/MNv0POYg6X8wjccMVz+Mzc8QV4+AB8Am44X9dPZgLhbqbKhYiaeyBvVuXpmtlVVEcDCVwAEe5mYqKioqr2//pL5v/yHfhTw78e/3r86/Gvx78e/xs+/jaB/88vwP/3AP6HDvxf/51f93+B7r8e/3r86/Gvx/8+jz814H/5zs9/ntfX/V+g+6/Hvx7/evzr8b/fozD2zOtr/Uf/8P/5//5/IDMQAGBA6mP9NwCYGSw... | 3 |
math | grade-5 | compare-decimals-using-grids | false | true | Which decimal is greater than the one shown in this diagram? | "iVBORw0KGgoAAAANSUhEUgAAAJwAAACcCAYAAACKuMJNAAACFklEQVR4nO3aMUpDURRF0RfJZJxBCjtH5EgckZ1FZuBwvoV8CekMuIPetTqFKyk2j4DnsG3btiDycO8PwCzHyx/eHs/3+hz8c88fp7XWxQsnNgrH6188vZxu+kPvr2e3//x2f6V+4voh8x2OlOBICY6U4EgJjpTgSAmOlOBICY6U4EgJjpTgSAmO1GFf/Jon8Zv2pYl50rDbWyZGa309SOZJ/DmCIyU4UoIjJThSgiMlOFKCIyU4UoIjJThSgiMlOFLmSSTMk4bemic... | [
"0.79",
"0.6",
"0.82",
"0.80"
] | null | 2 |
math | kindergarten | count-scattered-shapes-up-to-10 | false | true | How many shapes are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEfCAYAAAA0i7JEAAAgwElEQVR4nO3d33Nb533n8c/BwcEBDkBKokRRshIp+mlRnt3kot2pM82ks222Trz+C/aud/2L9nLHO5nOZKY3GW/cuI47zaYbdzfZ3WSmFpPYmdZZyTUjihJJCCQIAtgLirYlUSIInOc8v96vuzi2ePQAxPl8H3zP90nG4/FYAAAAAIJQs30BAAAAAMpDwAcAAAACQsAHAAAAAkLABwAAAAJCwAcAAAACQsAHAAAAAkLABwAAAAJCwAcAAAACQsAHAAAAAkLABwAAAAJ... | [
"1",
"4",
"6",
"10"
] | null | 2 |
math | grade-6 | which-is-the-better-coupon | true | false | Which coupon will save Roger more money on a lawn sprinkler originally priced at $23.00? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAU4AAACRCAYAAACsTFEnAAArHklEQVR4nO2deXhbV7nu3y1pa/Qgy5Zsy5M8JrEzx3aapG2SNumYMlzatPRCSaFwe1vgcIEWOEBDTs+BQwcKPYUCBVpKKZBSoEPolDY2bSbHGZzEdhxPcmzLgzzbkiVtSfv+oci2rC1Z2tqyJGf9nqdP6uWtT0uy9O5vrfUNFMuybL8DaLMCky7AyYJAIBAIc5BQQLIYKFUCmVKA6rezbN1ErKdFIBAIicHGFEDSavX8kC0Flqk8qkogEAiEWSZdQIsF6HMAF62... | 1 |
math | grade-2 | skip-counting-stories | false | true | Each platter has 10 celery sticks. How many celery sticks are on 5 platters? | "iVBORw0KGgoAAAANSUhEUgAAAWEAAADDCAYAAABTXKCGAAAobUlEQVR4nO3deVxUZRfA8d+AEAKCLEqgCIKApKaSW24o5pr6oqiY2mJZmrmFWi5FFpqaVlK9mVulpRVKapnigiji+qZpaYoLCgqIoiyyKcu8f6CTIzsMXJ3O9/Ph82HuvXPvmeFw5pnnPvc+qqR0tRohHnKT5uwD4LM5XRSORAjdMlA6ACGE+DerkSKclqum7f50ehy+RVquNLzFo0nyWFSHKhfhbddzWRyTU2pSHkjNIy67gJO38pn8d1ZVDymEzkkeC6VUqQi/E53... | [
"69",
"80",
"50",
"61"
] | null | 2 |
math | grade-3 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines intersecting? | "iVBORw0KGgoAAAANSUhEUgAAAG4AAABuCAYAAADGWyb7AAAIUElEQVR4nO2dW2zbVx3HP7ZzdR07viT4WrSXppQydWgtix8AKUVahehWaVskxJAQKi8TWiWG2BhsggoogkqgiiE6pqJ0L6mo2E0KUtM+cPG2BLQKrVMdKtHOsZ0ltpPYSdxcnD8Ptv9OujRJu6Qn55x8n/59+P/z+/fjc36X8zvnbzEMw2Bb0skq2oBt3Z2kBJdNJEWbIFzSgYvHBnjj178TbYZwSQfuct9F3j73OvHYgGhThEo6cO+cfwuAV3/wE8GWiJVU4LKJJNP... | [
"yes",
"no"
] | null | 0 |
math | algebra-2 | solve-a-triangle | false | true | In solving this triangle, which law must you use first? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACgCAYAAAA2PRuAAAAjxUlEQVR4nO3dfXCV9Z3//+d17q9zciA3B0ISECnSWEDutKu4W2+6Wyt1Z7+ttjtVx3aps0Xrfi1q15/2ZmZdZ7pqwSIj7bLV6ndWqzuzVGe6llmnrbRbR1aRBMTUOyogSQic3HFurnN3Xdfvj5OcJEIFQpKTk7we/5krN+8Awde5eF3vj+G6rouIiIiIiIwJT7kHEBERERGZShSwRURERETG0IiA/eCDD2IYBjt37jzhHd977z1mz57N3/7t3+I4zoQNKCIiIiJSSYz... | [
"Law of Sines",
"Law of Cosines"
] | null | 1 |
math | algebra-1 | identify-linear-quadratic-and-exponential-functions-from-tables | false | true | Is this function linear, quadratic, or exponential? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAbpUlEQVR4nO3dfZDW5X3v8Q+wLKIgGmRTJKCAVijCkY7KGONDIsXE9NQoooKRgzVqGmPTTkaaatwoU5URoqsZxXZ0DK2ohfrQaDZKrGJs7aJpwNjKEi1EKtLw5HaB8Ljs+SPjnuEAYROudbnx9ZrhD67f3tf1vf97729+971dGietaE0FOHr6x/LeN9Z39hj75YQ5Azt7BAAAOljXzh4AAAAOJgIbAAAKEtgAAFCQwAYAgIIENgAAFCSwAQCgIIENAAAFCWwAAChIYAM... | [
"exponential",
"quadratic",
"linear"
] | null | 2 |
math | kindergarten | flat-and-solid-shapes | true | false | Which shape is flat? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMwAAADMCAYAAAA/IkzyAAATfElEQVR4nO3d228bV34H8O9whnddKJuyHUWWLCeynNiynKwLp91gUyDAFm2x26IoijYPbYoiKIrun7JveWqTbBIna+8maZALkiYBhK0TZ9feamG7SpTIdmLLVmxdKJmkRGqGnEsfjoYXUXZ8LJEzJL+fF18lHZDnyzNz5nfOURzHceYKwJU8sGIBpgMiWqcpQKcKDMeA3SFAmTMc5/dZr5tF5H/HuwDtcl784YEQMBIXaSIiYcUCpnPArQJwKQ8Esqb4B4aFqFa... | 1 |
math | algebra-2 | factor-quadratics-using-algebra-tiles | true | false | Which area model represents the factorization $2 x^{2}+7 x+6=(x+2)(2 x+3) ?$ | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAQAAAAFyCAYAAAAamASsAAANoElEQVR4nO3de2yV9R3H8c85p6VAoW2kBatcWxVlgEBli+jiJSKZl5h4STTbnCaLZnHJiIkmZv61LRpNNjVZvC26S6ZsbmxGB4rgbd6CmNawCGNAlQkU6AFpoS1tz3nO/jih0XkL0Of8znk+79c/2IeY34+jz/v8nhPab6pQKBT2DEnb+qVDeSlXEICEqkpJEzNS63ipeYyU2jNYKLzbG3pbAErtnDqpamt/8YvmMdLs2mIdACTToby0pU/qGpK290vp3lzxN7j... | 1 |
science | grade-4 | compare-strengths-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | "iVBORw0KGgoAAAANSUhEUgAAAhAAAACBCAYAAACRpYNGAAAOU0lEQVR4nO3de2zU5Z7H8c9vpp0OtKS0tEALBRtLYQ8nrCeKFSQbqCsigVg9KWg0bnaz8YaCoiIE5R8lSxFQIGANrlUWQlgikJUQjhKKBTaASFvDRlzKRVo6cm2LQAc6l/2Dbc/pKQfmaWfmNzO8X0kTZvq7fH8Pz/PlM1esYDAYFAAAgAGH3QUAAID4Q4CIkpKSElmW1eknOztbjzzyiKqqqoyOdeTIEVmWpb179xrX4ff79e6778rhcOjjjz823h9A+MVCf/D7/Vq... | [
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is weaker in Pair 1.",
"The magnetic force is weaker in Pair 2."
] | null | 2 |
math | grade-1 | subtraction-sentences-using-number-lines-up-to-10 | false | true | Which subtraction sentence does this model show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABhCAYAAADsidaRAAAWg0lEQVR4nO3de1BU590H8O9ykyCwoIJKS1gxA0ZDwEsEtClqRmOai9pEohknkNSYmmZstK9jTNKJJrSapkl0YicTk3dqbIqjYsGY1NEZFfAtchFBq4zaiAuSBeuCS5absLLvH8ezgKiwy2Gfc5bvZ4bZ3bPM+vsJy/nuc57zHJ3dbreDiIiIiIgU4SW6ACIiIiIiT8KATSRQsw34rhpYdhTw/QLYWCq6ItewD3VhH0REYvmILoBoKMuqBF7/P6ATgE3Dk7XYh7qwDyI... | [
"9–5=4",
"9–8=1",
"9–6=3",
"11–8=3"
] | 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? | "iVBORw0KGgoAAAANSUhEUgAAATMAAADNCAYAAADUt5eDAAA1tUlEQVR4nO2de1CTd77/30i4JSVKNCuaalwaj8Av1rXAEasNR3sqtNZBYFbFLvUyuwXdzniU7gii7c45XHQ8RTvdtdpOddSx2lEX6XYO0lOrBT0qkLGd5QhWtMMlXA6YcA2XhDy/P9g8S4CEPMmTy/Pk+5rJTIDk+3wfku/7e3t/Pl8/iqIoEAgEAseZ4ekKEAgEAhsQMSMQCLyAiBmBQOAFRMwIBAIvEHi6AgSCN/DNN9/g1q1baGpqQktLCzQaDTQaDYKCgiCTySC... | [
"certain",
"probable",
"impossible",
"unlikely"
] | null | 0 |
math | algebra-2 | factor-quadratics-using-algebra-tiles | true | false | Which area model represents the factorization $2 x^{2}+5 x+2=(x+2)(2 x+1) ?$ | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAQAAAAE4CAYAAAC0Wy2mAAAQt0lEQVR4nO3df0zV973H8RfnByoHARUVBIdFndYfnWB7XZxzrtVUbbvM1f3RpavJdnPTTdveJbtxjfcmy7a02R9r7rZsidmtS7Y0pq22WX9b6mZ103XSg1IFrcpkoFA9XoSCFOF8v/cPChepOjnn4Lff7/v5+IfyRc7nk3fOeZ7vOVC+Wa7ruq2XpZOXpA+TUp8rAAEVyZLGh6WZOVJxtpTV2uO6f+vwelsAbrbb86TIiUv9nxRnS3Ni/XUAEEwfJqXjXVLLZen... | 3 |
math | grade-8 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{HJ} and \line{KM} are parallel lines. Which angles are corresponding angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAdJ0lEQVR4nO3de3BU9fnH8c+uCVBisqEpDcJIQgk3AYlJgILoEttOnCnUIHakSoVoxRkQiRfGqlVxrPw6ohhN1REFFhFaLZgt4gxMKwnVgZbhhECMXMbmImhlFHJBRCDJ/v6g2bJmNwH3ZM/unvdrhlHO2XCe7/PXhy/P+a7D5/P5ZENNTU2SpNTUVEvriFX0DwAAIDin1QVYxePxyOPxWF1GzKJ/AAAAwTnsuoOdmZkph8Ohuro6q0uJSfQPAAAgOFvuYHu9XjU0NKi... | [
"\\angle{HIG} and \\angle{HIL}",
"\\angle{HIG} and \\angle{JIL}",
"\\angle{HIG} and \\angle{KLI}",
"\\angle{HIG} and \\angle{MLN}"
] | null | 2 |
science | grade-6 | compare-thermal-energy-transfers | false | true | Two identical aquariums were next to an open window. One aquarium had a plastic cover on it, and the other was uncovered. This table shows how the temperature of each aquarium changed over 1.5hours. During this time, thermal energy was transferred from ____ to ____. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAABfCAYAAACdpLOcAAAlh0lEQVR4nO3dfVxTdf8/8NcGbGywQFEsr1InqYACkhckZqZ4R1xkBQoq5mVmWpmipeIvzVAUlMwy87JSv5lmYEaWFpV3lfdCkZImmIqJmiYCMsfNgO33BzGd4+ZsYwLj9Xw8fPjgnM/O+3POzvvsvXM+50zU741CHYhs3KaX5XjmvZKm7gZRi8Y8IhLmYJxrU3eBWjlxU3eAiIiIiIgaDwt8IiIiIiIbwgKfiIiIiMiGsMAnIiIiIrIhLPCJiIiIiGwIC3wiIiIiIhv... | [
"each aquarium . . . the surroundings",
"the surroundings . . . each aquarium"
] | null | 0 |
math | grade-5 | three-dimensional-figures-viewed-from-different-perspectives | true | true | If you look at this object from the front, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD1CAYAAABqfoLEAAA1oklEQVR4nO3deXzU9bn3//dkIwRIAjEssmSopQougAhWsCbBuwsUTXycIrRqE7BHcQGSo+A5FZpQ8H5U8D6JUln8tSRpQUHaH0GEep/TQ6YtoSxWpwhEoXXGhLAkIlmY7Jm5/xgyELKQZSYzk7ye/1gmM9+54sM/3nx6fa7L4HA4HAIAAADgFgHeLgAAAADoTQjYAAAAgBsRsAEAAAA3ImADAAAAbkTARp+Tk5OjwYMHKz4+Xmaz2dvlAACAXoaAjT7DbDYrPj5eycn... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA3gAAAD1CAYAAAACqFfVAAA730lEQVR4nO3dfXjU9Z3v/1dugQBJEALIjRlqrYIKUQQseJoEz9pCxcTdIrToSQK7iiKSVMFuDU1Y8FwreJooiuKvJUkLCuIuQQQ9e7nM2BLKjStzEIhC15kmhJtEZJIwuc/k98eQ0RAScjOTbyY8H9flRTOZ+c47MHL56vv9/bwDmpqamgQAAADAKwICAowuAdexQKMLAAAAAAB4BwEPAAAAAPoIAh4AAAAA9BEEPAAAAADoIwh4uO7k5eVpyJAhio+Pl9VqNbo... | 1 |
math | kindergarten | one-more-with-pictures-up-to-10 | true | true | Count the birds in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAAqDklEQVR4nO3dd5xddZ3/8dc5t/d7p7c7M8lkMplkJj0QQhJCCC2hucoCYkFFRZQiiK7r+kMX/aEgq7iLKwrCT1GKuEuHSFFIlbRJJmXSp/dy5/Z6zu+PGyaUsBv1JgOTz/Of5HHu3HO+3/OdP97nO5/z/Sq6rusIIYQQQgghckId7wYIIYQQQggxkUjAFkIIIYQQIockYAshhBBCCJFDErCFEEIIIYTIIQnYQgghhBBC5JAEbCGEEEIIIXJIArYQQgghhBA5JAFbCCG... | null | [
"iVBORw0KGgoAAAANSUhEUgAABIYAAAB+CAYAAABRYRpnAABVjElEQVR4nO3dd5xcZbnA8d850/vM9t43yaY3SA8QQg0QLIhYUSxYQYpc9Xrt134VO4qKihRBpXcQ0iG9b9r23man93PuH5NCCRI1yW52ny8fPgNT3/e8+8yc9zlvUQAdIYQQQgghxEmh6zo9STgYhVAG0nK2LYQQYhQxKuAyQL0dCs2gIIkhIYQQQgghTpqehM4rwZEuhRBCCPHW5rnBONKFEEIIIYQQYiw5EM3eFpthoiN7VVYIIYQYLUIZ2BeB7iTsj4I60gU... | 1 |
math | precalculus | solve-a-triangle | false | true | In solving this triangle, which law must you use first? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAG2CAYAAABFxfGyAAAiJklEQVR4nO3dfZDV9X3o8c8+wB52FxC0SkKACNpyQcQqFoIEiTc12n8y9FaDIZOmMzHp9JKRNnG8dpoH+0edO1NnOm1nMtPU5jYaJ3XSNDgdbTNpogyPEdCATDHERDCVqARSFvQs2WXvH8tZludl9/d8Xq+ZzFF2PeebyT8f3/mc769lYGBgIAAAgES05n0AAACoEgM2AAAkKPUB+y/+4i+ipaXlov/56le/mvZRAAAgdS1Z72CvWbMm/uEf/iGOHDkS7e3tWX40AAC... | [
"Law of Sines",
"Law of Cosines"
] | null | 0 |
math | grade-5 | multiplying-fractions-by-whole-numbers-choose-the-model | true | false | Which model represents the product 4×
1
2
? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAaAAAACOCAYAAAB359yrAAAOoUlEQVR4nO3dT4ib953H8c84fwh1Wils62UPtZ45dHPo2pIvKbSHUfeW1EViL8UQOpO9NASWDOSQJQuRplCzDiz2oQ3OJUygS+vLoqRuehxNEgr1ZeQZ5+DtwvPM5FB33EVSkjFpNubZg/LImr+Wxr/n+X2leb/ApOnAo0fP2+Gr36PfSFNxHMe3Ppf+5470yV3pi1gAADj38JT01Yekb31F+ttHpalbf43jax/7Pi0AwFHyna9JD//xTu9f/u5R6cnjvekEAIB... | 0 |
math | algebra-1 | surface-area-and-volume-changes-in-scale | false | true | Look at this sphere: If the radius is doubled, then which of the following statements about its surface area will be true? | "iVBORw0KGgoAAAANSUhEUgAAAJIAAACSCAYAAACue5OOAABZHklEQVR4nO29a7RlVXUu+o0x5lx774J6AkUVD4GiCuSNkRAtFFExIRElaTcqoh6Ro7lec3JzTGKLtKTFm3iDirElaS2a23w3QMRomjFqTEMiPtEjRgQpqCcI8qgqoaqoKmrvvdYco98f/TXm2oUWjyrUkwm79tpzzTXXnGN8s/evf72PMQIREf5r+6/tSW7x6b6A/9p+Obbm6b6Ap2PbtGkTNmzYgA0bNuDuu+/GnXfeiR07dmB6ehrT09OYmZmx17t37wYAHHzwwZi... | [
"The ratio of the new surface area to the old surface area will be 8:1.",
"The ratio of the new surface area to the old surface area will be 2:1.",
"The ratio of the new surface area to the old surface area will be 4:1.",
"The ratio of the new surface area to the old surface area will be 9:1."
] | null | 2 |
math | grade-2 | identify-repeated-addition-in-arrays-sums-to-10 | false | true | Which addition statement describes the array? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADACAYAAAA+yRTaAAAO90lEQVR4nO3dMW9cacEF4GNEsWiR7H9gj7b9pNiCCoE8zdKhDD2STUeXcZnK1x1Ciuamwqk8CaFZijVxxXolD1IUmiDFq93Sq6EJpjFGCgqdv8J4NitCNh6/45lLnqeypdHMe7qjq6P7zp2dnZ0FAAAo4lvTPgAAAPwvUbABAKAgBRsAAApSsAEAoCAFGwAAClKwAQCgIAUbAAAKUrABAKAgBRsAAApSsAEAoKBLFeyVlZW0Wq0MBoMJHef6yAIAwCTMnZ2dnb31h+f... | [
"1+1",
"1+1+1",
"2+2+2+2",
"3+3+3"
] | null | 3 |
math | grade-7 | identify-linear-and-nonlinear-functions | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABlxklEQVR4nO3de3TU9b3v/9dkcr9AQoIJBBNEJAgmERQoCILiVrdWLLTduHettcd2Hz29r73as9f+dbt+dXtc3bur7am7F0/P7vZy7G/11FVrVRoQCwINlUuEYIIiIoSEkHsymclcvnP5/v6YJBIFycj3w2TI87EWzC3f17zz/c585z2ffOY7Ltu2bQEAAABwRFqyCwAAAAAuJTTYAAAAgINosAEAAAAH0WADGHXjjTfqhRdeGL384osv6uqrr1YsFkteUQAApBgabAC... | [
"linear",
"nonlinear"
] | null | 0 |
math | grade-7 | which-is-the-better-coupon | true | false | Which coupon will save Doug more money on a model airplane originally priced at $42? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAASYAAACTCAYAAAAjtLSoAAAk70lEQVR4nO2deWBU5b33v89zzpnJRjZCAiQESCQQ9giIyOKCoNWK1rr0am9t7e3b1tfW2tZrq7Zq+7a21956W21r7dvaelvrtdYFRVsWQcAFCCqQQEJIwhYg+77NWZ77x0lCZs6ZzJxnziST5Pn8Qzhznt/zzCTnO8/yWwhjjJ3zAce6gHYd0BgEAoFgWJEJMEECZiUAWR6AnOtlbG/bSA9LIBAITJYnA3JFl/mfKR5gdqKpWgKBQDCctOtAeSdw1gcc7QJom2a... | 0 |
science | grade-5 | identify-mammals-birds-fish-reptiles-and-amphibians | true | false | Select the fish. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAADiIklEQVR4nOz9Z5BlWXadCX7nXH3v08+1e7iHVqkiZRUqS6AUqiCqUFAEKMBmN0hihs1uDgeg6B62sdkkeyiaIK3ZBoKaTYIEoQVRYKG0yFKpRURGRoZ0rZ4WV59z5scLFDi05FgB9afHDOePu71wc/MXtu5+a6+99jriuaExFyKoWvzB+YPzf8kzVnBjCvs5NG14Z2P2uvwD4P7B+b/6qVpwIZp9P1G/+7r8A+D+wfn/h/M7OC3M775mv9UPfvhv3+bHHlzAr1l... | 2 |
engineer | grade-6 | identify-independent-and-dependent-variables | false | true | Hint: An independent variable is a variable whose effect you are investigating. A dependent variable is a variable that you measure. Which of the following was a dependent variable in this experiment? The passage below describes an experiment. Read the passage and think about the variables that are described. Dr. Hende... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAFOCAYAAADtpiRUAAEAAElEQVR4nOz92bPtW5bXh31m9+tWt/vT3Xtuf2/evNlWUUkVUFQJGQOyFChMYOQI22Fshx1hHmRH6A/wE4/4ybYsGULIrZBcYAzGBQWqyhSZZGVlQ3a3b0+3+73aXzc7P8zfWudmFY1QoLpyBL+IFXufs7u1fmvOMccY32aIv/AX/kLkX13/6vpX17+6/v/o+kt/6S99Jn9XA7zzc/8RITh8b2maQF9D3yp8XWL7gJLQdjV5Cc5B30KzBhmP+eLLP88fePHz/INf/0+... | [
"the amount of oxygen in the tanks",
"the species of algae"
] | null | 0 |
math | grade-2 | identify-repeated-addition-in-arrays-sums-to-10 | false | true | Which addition statement describes the array? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFACAYAAACGDgu2AAAarElEQVR4nO3dMWic5/0H8F9LhhRS5HiK/4t0cUuHllpHOyY5v4OhHRJb0DZdGp+W2kOCz1CBBQ16RWNooYVX2J7q0lO7qDgFEQ0tVsBn4ikNWIF2iFvDTXEn98AGjf4P4i50qLFO792r9+HzmXRwcL/v9uXRj+f5Up7nT4JDb2VlpeoRAAB4Bl+uegAAAEjJc8M/nJAeTqurq1WPAADAPjjBBgCAEinYAABQIgUbAABKpGADAECJFGwAACiRgg0AACVSsAEAoEQKNgA... | [
"1+1+1+1+1",
"2+2+2+2+2"
] | null | 1 |
math | grade-7 | classify-quadrilaterals | false | true | What name best describes this shape? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADGCAYAAADokPfHAAAf5klEQVR4nO3d+3PUdb7n8Vff0nSSDumkAw4wcpnBgREkrlHikC1Atg6UDoURichlUIat2tofds78B+f8vHWqTu0v+wvDZbiIAYwcRge2BifshDHRuCSCA8oMNwWVdNKddNKdvn73hzaQKJckffmmu5+PKotYwe63JVa9+pPP9/2yGIZhCAAAAEBGWM0eAAAAACgkBGwAAAAggwjYAAAAQAYRsAEAAIAMImADAAAAGUTABgAAADKIgA0AAABkEAEbAAAAyCC72QMUO19... | [
"trapezoid",
"parallelogram",
"rhombus",
"square"
] | null | 0 |
math | calculus | find-inverse-functions-and-relations | false | true | The graph below shows a function. Is its inverse also a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AAB9bUlEQVR4nO3dfXhU5Z0//vdkJjN5zoQkJCGYBOQZQwIKChIIxWpFa4VWsd22Ym2/225t1avb/XXdboteyvb6bm3Vqtt2V4V2+/228l3FKkQEJRChEgmZQMKD4SEhz8mQTGYmmTlnHs7vj3FiAgQyyblz5uH9ui4vrxnmfOaTc8858zn33Oe+dYqiKCAiIiIiIlXEaZ0AEREREVE0YYFNRERERKQiFthERERERCpigU1EQ1atWoUdO3YMPf7rX/+K+fPnw+/3a5cUERF... | [
"yes",
"no"
] | null | 1 |
math | grade-2 | find-the-next-shape-in-a-growing-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAcJklEQVR4nO3da4xc533f8d85c+a6w93lilquSIqURUqUIZmirUhsJFlyA5mKgxaqpCZxlMZCrcJFEhkIEkRGATt2IgdFjdZOkDq9WQacAHEcBK0F19UlTWrSUhS3jW3ZutESXZoiV8vbcsndnZ2ZM3NOX6yWWpJ7mcu5POeZ7wfQG5Fznuf/XIjfOfPMjBOGYSgAAAAAVnDT7gAAAACA6BDwAQAAAIsQ8AEAAACLEPABAAAAixDwAQAAAIsQ8AEAAACLEPABAAAAixD... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAiKklEQVR4nO3dfZAldX3v8U/36fM4Z87Mzi4zs8/A7gIWuKwicAUEYyE+VFJcJEYlUUq5ZcoEqywtsZLSYIJWKqlEYxmT3BvwXmOVhpQ3V8pweTASFkHEGwWU5UFYXZbd2Zl9mJndeTrndJ/T949hltmdh50zp7t/3X3eryr+gN3z+32//etuzud0nz6W7/u+AAAAAKSCZVmmS4gl23QBAAAAABA2gg8AAACA1CP4AAAAAEg9gg8AAACA1CP4AAAAAEg9gg8AAAC... | 0 |
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