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 | algebra-1 | perimeter-and-area-changes-in-scale | false | true | Look at this triangle: If the base is halved and the height is quadrupled, then which of the following statements about its area will be true? | "iVBORw0KGgoAAAANSUhEUgAAABUAAAAOCAYAAADABlfOAAABLklEQVR4nM2TsYqDQBRFr7IwATvbIEFSxCKQ2oBtwDJ1PsBGsIo/YC+Yyh8JpFEhkEryDVbWKUKKFJO7RViJJC677sLuhVfcN/MOD+6MQpL4Zal9hqqqgm3bEEIgCILnCyS53W45n885GAxomiaTJOFnWq1WDMOQ1+uVJDkcDlmWZXMOkrQsi1EU8Xw+c7/fU9M05nneCZ1OpzwcDo1/CU3TtDXkOA7jOH4J9DyPAJpyXbfloyi6Qx91uVyo6zp3u13npuPxmEVRdG7... | [
"The ratio of the new area to the old area will be 2:1.",
"The ratio of the new area to the old area will be 1:4.",
"The ratio of the new area to the old area will be 9:2.",
"The ratio of the new area to the old area will be 3:2."
] | null | 0 |
math | grade-1 | which-table-is-correct | true | true | Steve went to the pet store and saw the following animals:He wanted to figure out how many of each pet there were, so he made a table of the animals at the store. Which is his table? | "iVBORw0KGgoAAAANSUhEUgAAAUwAAADeCAYAAABWtzmjAABKXklEQVR4nO29eZRcZ3nn/6m6a+1VvVW31C2pZVmWZGHJFsYLXsDYQNjCBEhAQCbLTAYmCYckJCSQBHLI4IGQgd8kMGGYYcLhhwPGw5YEfhjHgAHLNl4EMpK1b92tXqq6tlt3v7d+f9zu1mpbkltd6qr3c04ft27dat63qPrW+7zP+3yf2Ic//OEWAoFAIHheZIAPfehD7R6HQNBx1CsNAFRNJiZJOKaDltRQFJl4PN7m0QkuBrndAxAIOg3Hcak3XFw/xHZ8bLsOgK7... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAoMAAADeCAYAAABG4QqOAACC60lEQVR4nOzdeXhbZ5nw/690Nq225U12YidxmqZJuqVNQ5p0JU1b6AKFFkrD8mMdYIbyAkOHpdOFgaGUKcO8M8O+vMN0KHQBCkMLXQg0LU23NOmWfY/j2LFkydKRzn7O749jK0mT7kkU28/nunzFOTqSnyPb8q3nvu/nidx4440BgiAIwiu68cYb6z0EQRCEQ04GuOGGG+o9DkEYd0qFMgCqJhORJKyqhZbQUBSZaDRa59EJr4cIBgVBGI/keg9AEMYby7IplW1... | 1 |
math | pre-k | count-sides-and-corners | true | false | Which shape has 5 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAHDklEQVR4nO3av28URxQH8O/u7RlkDMEKchzxoyPpaKGmD7SRqGmiSEYRDaJAilBSIKXkb3BPnZaChhIRogiQEQbJsmRjA77dmxQXIpJA8M7OvHlv5vupsMzdjfe+tzfz3qucc259D/h9F9jugNaBaLCmAg6PgNPzwBdzQLX+1rl7W6mXRTk7ewRoHu3OfvhyDvj60CyFRENtd8DDHeD5HvDbLlBvtbNfMGQU0uHRLFMA8KoD6u69XxCF9C5TEwfUaZdCpWDQSAS... | 0 |
science | grade-3 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAADQY0lEQVR4nOy9d7wkaV3v/36eSp3jyWHy7M7szGwORFlFBBERMeAV5Qdm5V7FcE2o14x6DehVQVHUS1BAUES4wCJpWTawu8zu5J08J+fO3ZWe5/dHdZ9zZnZmNs3ObKj3vmq7uru6u6pOTfenvvV5Pl+htdYAnU6HmZkZarUaQRAQE3OlMU2TXC7H8PAwiUTiaf2s+PiPeaYRH/8xz2cu5/EfE/NcRGitdbvd5vjx42zcuJFEIoFlWVd6vWJi8H2fTqfDqVOn2L59+9P... | [
"blue",
"shiny",
"translucent"
] | null | 1 |
math | grade-6 | nets-of-three-dimensional-figures | true | true | Which figure will this net make? | "iVBORw0KGgoAAAANSUhEUgAAAMoAAADNCAYAAAD5YO8QAAAS50lEQVR4nO3df1SUdb4H8PcwMrLJtFIq40U0RQPjWhamWaTBFiVooHnAw0XukeuuISfyimetaO32w2y3LGOPWpuLRyIKzRxTMacNU6f8cbVsjRUK/IVezqQ1BkPiDMNz/7BBHUd4Zhj4Ps/wfv3JGZn3eObN8/k+83yf0UiSJIGIOhQkOgCRGvQRHYAuq6urw4YNGyBJEtLT0xEVFSU6Ev1Kw9FLGTZs2ICcnBzYbDYAQGhoKIqKijBnzhzByQjg6CVcS0sL8vLykJ6... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUYAAADNCAYAAADE19lfAAAnBUlEQVR4nO3deVxU9f7H8deALMmqqWAuYKCouJuaRaFWlluQqZj7vt6ITH9almJX01KT9KamprgWlom5ZJRrWNkVw4zCBEXRDNMAAWUb5vcHDqUXlW3mnDPzeT4ePXzEA+a8x2Henu/5zvl+dQaDwYAQ4q50Op3SEYQZ2SgdQAgh1Kaa0gHE35KTk/nkk08wGAwMGDAAHx8fpSMJYZV0MpRWh08++YRRo0aRnZ0NgLOzM0uXLmXkyJEKJxMgQ2lrI0NpheXm5jJ... | 1 |
math | grade-2 | name-the-three-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACyCAYAAAB4I7gQAAAZGElEQVR4nO3deZAcV33A8e9oV1qttJJWWgvJ1m3rsC3ZEpdtLIwINsEOBieBhGDuCuEKoQgkVJGqJEVRlVQFQiVAOOIqKiZxTDgKCDZgu2xsjG35gFg+dFu35ZWEpNVKq9WenT/ejnZmdiTNrGamZ7q/nyrYmem33b9Zezy/9/q998tEURQhSZIkqSImxB2AJEmSlCQm2JIkSVIFmWBLkiRJFWSCLUmSJFWQCbYkSZJUQSbYkiRJUgWZYEuSJEkVZIItSZIkVVBz3AH... | [
"rectangular prism",
"cylinder",
"sphere",
"cube"
] | null | 0 |
science | grade-2 | identify-earth-s-land-features | true | false | A mountain is a large landform that rises high above the surrounding land. A mountain often has steep sides. Sometimes a mountain is so tall that cold air at the top causes snow to fall. Select the mountain. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOEAAAC0CAYAAABi8Es+AAEAAElEQVR4nLT9ebQlyXnYB/4icrvr21+tXVVd1Tu6G2g0VgEgSAIkAG4gTWu3RFkWJR0fyxofHckazfGMxudI/sOexfJo6PE5OlookhJFU6BIgCIIAgSJrYFGdwPoLvTetW9vf++uuUXMHxmRGZn3vlfVsJRA9bs3M+KL7/vi2yMyrnj2+YtaCAFCABpB8VmUnwGKPwKNEhIECI3pIxBCgNZFOyHM36KPFgKti/vFI43QGunA1kiK3oAUNTjFA12MA2gztkAjRPF... | 2 |
math | grade-7 | bases-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its bases? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADaCAYAAACchDUnAAAmcUlEQVR4nO3de3zU9Z3v8fdcc53cQ7iDEC4SIIigFVruukRb7W7PVl1xW7q6WrHaqlux6vacXqSPKr14x54etULV7W67xS0BBUQsWASFBBBQ7uGW+2Umk7nP+WPikATQAJP5zSSv51/KdzK/TyB/vPnwmc/XFA6HwwIAAAAQE2ajCwAAAAB6EwJ2B48//rgcDoeuuOIK/fCHP9TmzZuNLgkAAABJxsSIiHTgwAHdeuuteu+99844y8nJ0TXXXKMvf/nLmj9/vgoLCw2... | [
"decagon",
"triangle",
"hexagon",
"square"
] | null | 3 |
math | grade-4 | compare-fractions-in-recipes | false | true | Does this recipe call for more sugar or flour? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFwCAYAAACCdAwbAABRC0lEQVR4nO3de3jMZ/7/8edMMjmIEAkRh6JFlYpQ2VLUqUeHqKqWFlulpZQ2Rbv5KpV16Gq1aDcWrdr+tFqn1SitFlXUOgZBmkadCYmIyIEcJzO/PyKz0iQkTEzC63Fdub6bmXvu+56Pb695zZ33574NVqvVyhVWqxWLxYLZbLb9GI1GTCYTzs7OODk5YTAYEJGbY7Vayc3NxWw2k5OTg8ViwdnZ2fZjNBr135qIiEgFZcgP2BaLhdzcXHJycsjJycFkMuHu7q4PeZF... | [
"flour",
"sugar"
] | null | 1 |
math | grade-2 | 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? | "iVBORw0KGgoAAAANSUhEUgAAALEAAAB2CAYAAACHxHLJAAAtC0lEQVR4nO2daZBc13Xff/f13tOzYxkMAAIUCYALSEqkFFGiTYmUXEpsJik5cvIhUaLEqVI5TpWr8iXJh+RTUnG+JCnbsVSVSnkpK7EdKeXYiu2KLZqMzC0SKVKkRJAESOwYANOz9vTyut89+XCXd1/PAJwZDEBipo+Wh369zHv3/t+5557zv/evREQY2MBuY4s+6AsY2MBu1AYgHthtbwMQD+y2twGIB3bbW/6DvoCBfTisUe8yf65Nc75Hc77HynyXuKWpjOSojhe... | [
"impossible",
"certain",
"unlikely",
"probable"
] | null | 0 |
math | algebra-2 | find-solutions-using-a-table | false | true | Look at the table of values for the functions $f(x)=|x-3|-4$ and $g(x)=3^{x}-5$ Based on the values in the table, where does the equation $f(x)=g(x)$ have a solution? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAC9CAYAAADGKAkVAAAeAklEQVR4nO3deVRV16HH8R/jFQUcmZwKggUxTqnRGIJUraaNLyPVaq1DFNKY6lquR/UpjUOyGg1qjUOj1Dx5MYnRhhjTxKKgNiCJBW0GR7RNnTIgEFEBGQTufX+gRALCJQEOnH4/a2WtsM8O98dZ+eN3991nXwebzWaTgeKe/crIl7fbE7O76f82fW10jAa1lZx1+Z+l3Y2OAAAA0OY5Gh0AAAAAQNOh4AMAAAAmQsEHAAAATISCDwAAAJgIBR8AAAAwEQo+AAAAYCI... | [
"x=2",
"between x=2 and x=3",
"between x=1 and x=2",
"x=1"
] | null | 3 |
math | pre-k | shapes-of-everyday-objects | true | false | Which is shaped like a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIUAAACFCAYAAAB12js8AAAY6ElEQVR4nO2de3Qb133nPzOD1+BBECRIkBIlRaIlW7IlWU5sxVLWp4ktxqrsWHLapM1DdbOuI3WTEzuW7LjNtnHiNm4knaT1JlaSbb0t3Wyd7cau062zlJPGzpp2ncSWKL9iidSLogiKJEQSIIDBPPYPCCRBkHiQA4Cy53MODsnBzJ1LzBf3/u7v/u7vCoZhGP0KHB+HMQ1UA4t3GTYBfBKsdEPIAUJ/0jBeHq12tSwWChtrwHZsPP1HswMu96QVY/HuYkyD38T... | 1 |
science | grade-7 | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAYCUlEQVR4nO3dfZAkd33f8Xd3z/Ps7PPe7u3es3QnccIIBBVJIAkZECDHSJiUwa64KsUfLkcVO/kjJK5YTqUqFexyUnHZOOWHKstgbGIcGQvpjIweEAJCJEBgJISk0z3u3j4/z/NTP+SP3p3dvX3U7WzPzN7nVXV1db09s7+b7v78fv3t/k0bnud5kxU4X4CsA7aHiEhdhAxIWXAyAf0RMCbLnvf9TKObJSL73e3tEDpX8P9xMAI3Jf00EhGph6wDZ/MwUYE3C2B... | 0 |
math | grade-1 | equal-sides | true | false | Which shape has 4 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACcklEQVR4nO3UO24UURBA0ZrxJ+CbgVgAsAR2Q8DCCFgOO+CTY1LbWMJ41AQtJFILc0cM50T99PpJFVzVZlmW5ex65vPVzMVu5mYZ+GPHm5mHRzPP7808PZ3ZnH1flvfn+x6LQ/bq0czxp6v18Ox05uX9tUL4Uxe7mQ/fZr5cz3y8mtme36wXIuMuPTxam5qZudzNbHe/XcBd+tXUj2Vmu99R+F8IjYTQSAiNhNBICI2E0Egc3/rFuzd/YQz+Oa/f3up3G42E0Eg... | 0 |
math | grade-4 | scalene-isosceles-and-equilateral-triangles | false | true | Is this triangle equilateral? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACYCAYAAADeFJ5AAAAi/0lEQVR4nO3de3zP9f//8dsOZsxMJk1ZslZGMsUmfXK2kSQ2KilG4uNUfSrqg2EHFkOOX6L1fjM5NYc+I0KOnwr1iXJhYdl3zHcOsa01O77f+/3Rx3586lMO217v99736+XicunynL2ed/TH3ePy8H45lZaWliIiIiIiIuXC2egAIiIiIiJViQq2yB/Izc1l6tSp1KlTh8aNGxsdR0REROyAq9EBRGxRdnY28+bNY9asWfz8888ANGzY0OBUIiIiYg9UsEWukZ2dzax... | [
"yes",
"no"
] | null | 1 |
math | algebra-2 | linear-functions-over-unit-intervals | false | true | How does f(t) change over the interval from t=
–
3 to t=
–
2? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABvCUlEQVR4nO3deXQU95kv/G+pF22tXSAJbYCxMdrA2GCDwQaEl5jYE4gzODkTjzOeO9eZbDfveyYnbyY37ySvr0/unUlyxuP45nomE9v3ZK4njJcZgwUWSDZY2MjIILQAlgVoRUtL3a1eq7q76v2j1bIEEnSL+tHd0vdzTo6jpR89VHVXf7v66V9JmqZpICIiIiIiXSTFugEiIiIiooWEAZuIiIiISEcM2EREREREOmLAJqIZGhoasHz5cuzatQsA8Oijj+LNN98EAFy... | [
"f(t) increases by 200%",
"f(t) decreases by 3",
"f(t) decreases by a factor of 3",
"f(t) increases by a factor of 3"
] | null | 1 |
math | pre-k | squares | true | false | Which shape is a square? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAD30lEQVR4nO3ay24TQRBG4X9sJ4tcuCwAsWQBPEJEXot3BClvEMKesALFiaWEWMNiCIRcfZmp7qo6Z+XRSKVefGp7pt20bdseX0hfZ9J0Ll22Ilq7SSPtjqW3W9KrTak5Pm/bg5PSy6LI7T2RJkez7uL1pvR+u1NItG7TuXR4Jn27kL7MpNHJZXcDZNRnu+POlCSdzqXR/NoNoj67MvWrlUZll0JZAhqZBDQyCWhkEtDIJKCRSUAjk4BGJgGNTAIamQQ0MgloZBL... | 1 |
math | grade-3 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines parallel? | "iVBORw0KGgoAAAANSUhEUgAAAGoAAABuCAYAAADPsIaBAAAJvElEQVR4nO2da0xUZxqAn8NwkcEZVNRFEaXWG0oFHS3B21pBUMFG3aTuZner2bRm09rVrruJl9TN1labrHVtq82uNVrNmkYTlRRQGMG7sKKDoCgVrVpRywIqMyijwDj7AziMNxyR4ZzzOc8vmM855yVPvvO9fu8575GcTqcTL6rHR+kAvLiH5kWVFZcoHUKHoHlRmxcs4WbZdaXD8DiaFnWz7DrXzp3n+9XrlA7F42ha1P5N/wEgb0eq8LNK06KK9x+RfxZ9VmlWVK3... | [
"no",
"yes"
] | null | 0 |
math | grade-3 | division-input-output-tables-find-the-rule | false | true | What is the rule for this input/output table? | "iVBORw0KGgoAAAANSUhEUgAAAMkAAABtCAYAAAALS0X9AAALpklEQVR4nO3cf1DUdR7H8eeX30iyQCcK6sn5AxNIFMXSSfC0uIKcU0fRyZMTkQ6NQ6PmpmvSzF/jZE4pOp7O2DhKObNoyAV2NepIodapJWdipOeNoql5iAjY/oD93h8r1Jr11Zbzu1/2/ZjZGfbLF+Y17Pe1n+9nv3w/itlsVhFC/CQ/gD+YJuqdQ9xS3Pi+vB4epLjxfXz0DiGEp5OSCKFBSiKEBimJEBqkJEJokJIIoUFKIoQGP70D3IunfuXD7qQAAHrst3CjVed... | [
"÷ 4",
"÷ 1",
"÷ 3",
"÷ 2"
] | null | 3 |
math | grade-7 | rational-numbers-find-the-sign | false | true | The number line shows an unknown number, t. Is t positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAlwAAAApCAYAAADgbPfrAAAF30lEQVR4nO3dT0yTdxzH8U/RlgI6RATFDfWCMkJijFjBkYzDLgsxW5nJ5g7GxcRF420Hs9MuzsTjEl008eQi8bBUjcHdllWXjBbRERvBcbDBv8N/LONP/wDdAdsNEdoOn/6e2vfr9jw8IZ/mCeHT3/N9nseRSCQSAoA80tnZKYfDod27d5uOghzhnCPfLTUdAACydffuXdMRkGOcc+S7jAtXPB5Xb2+vAoGAqqur+ZYBvGaDAxFdC4zqr5EpRSLTWr3Gqbr6EjVtLzM... | [
"negative",
"positive"
] | null | 0 |
math | grade-4 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAf1klEQVR4nO3de5hcdYHm8fecqq6+J510EjqEXLgkdOfSuahhVAQb8DIZcbjIODqwDriKo66M4+g44/iMuzruzs4qOEbuhHBzVVBQ0cVRggEUxVkSEhJCEkg6ENJJIJdOp7uu58wf1V2nquhO+nKqzu9UfT9/dT22pNIpnufNl/M7x3Jd1xUAAAAAX9hBvwEAAACgkjCwAQAAAB8xsAEAAAAfMbABAAAAHzGwAQAAAB8xsAEAAAAfMbABAAAAHzGwDfKN3Y7O+V1KLw4... | [
"1 pair",
"no pairs",
"2 pairs"
] | null | 0 |
math | grade-7 | identify-complementary-supplementary-vertical-and-adjacent-angles | false | true | Which angles are complementary to each other? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEACAYAAACJVgHaAAAjDElEQVR4nO3de3CU9b3H8U8CCKvrZJFAwiDNBmS4KNkNKOGiEtGO2IqGERV1ELA4oFMl9swoVmdIWnvEnrYErYOlWLDWAh49DYK3IuNqAbNczC63gKPJpohkMeCii2tAds8fmWxdck82efbZvF8zDGbz5OG74h+f/fr9fZ+USCQSEdBJPp9Pdrvd6DIAAAAMl2p0ATC/oqIiuVwuo8sAAABICARsdMrmzZtVXFwsj8djdCkAAAAJIYUREXRUIBBQdna2AoGAhg8frk8... | [
"\\angle{2} and \\angle{3}",
"\\angle{4} and \\angle{2}",
"\\angle{3} and \\angle{1}",
"\\angle{1} and \\angle{2}"
] | null | 3 |
engineer | grade-6 | identify-control-and-experimental-groups | false | true | In this experiment, which were part of an experimental group? The passage below describes an experiment. Felipe 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 ... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAE3CAYAAADBi3hdAAEAAElEQVR4nOz92a9tWXbeif1mt7q992luf6O5ERmRGZkZySQzk0pSpIqUBEl2QXC5rHJTgA0bfvCDAf0HRsFvfiz5zX4x3AGGbaikB5WKEmEUJZXYiKQosWf2kRGR0d7mNLtZzez8MOZa+9ybVMGqEpRJQws4uPeeu88+a68115hjfOP7vqH+5t/8m5l/d/y7498d/+74M3T8rb/1t34kv9cC/G//1n9KGg+cq0w9ePjeJ/zK//H/zv/t//q30a98jl+3il1oeOnCsDY... | [
"the bottles with lids taken off",
"the bottles with lids kept on"
] | null | 0 |
math | grade-8 | quadrants-and-axes | false | true | Which point is in Quadrant I? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH9CAYAAAAgWgsdAAA8AUlEQVR4nO3de3RU9aH3/88kQ0IScoNAwiVELRc1hKtyD5Ui56BYvPKzPNpq63EVn6cPtstf1/LheDynnsryrFNPFS+r5bSPtEd7XPLDY6XEoogQQhEBgQCBA6jhEhJCyJ3JzGRm9u8PnDSBABP97uzZ8H6txZLZM9n5+GVm78985zszHsuyLAEAAAAwIsHpAAAAAMCVhIINAAAAGETBBgAAAAyiYANXuVmzZumdd97puPzuu+/qhhtuUCQScS4UAAAuRsEGrnJjx47... | [
"D",
"C",
"E",
"F"
] | null | 3 |
math | grade-6 | nets-of-three-dimensional-figures | true | true | Which net will make this figure? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAARkklEQVR4nOWde1SU9brHP0iRJTiTa0W0oQbNjgmJ0C5Io5g0Ly31SEmBSYsB5RCmMBzNjemOITWx9DAqZq7UgbOtXSZhRyzyBqabxNwNy5DqSAwiHpAuDLe4qPs9f0zzblCEYe7D/qzFH/x4Lw98eZ/3eb7vb94fwr8QCxYsENzc3AQ/Pz9Bq9U6Opw+wdEB2IM1a9YIw4cPF4BeX0qlUmhqanJ0eL0Y0oIcOHBA8PHxEQXw9b5XyFr2jhAXmSyOSaVSITc319Ghigx... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUkAAACzCAYAAAAE9O5jAAAYx0lEQVR4nO3dfXRU9Z3H8feAsiKERLflwVCSUFnlOXGrKYiQoFQoUAigIGY3CYVFeUxEWSzSBMUFqdaJ8nA8hSbZBQsWJEIQKkqmhY3Acc2IIeqCZISwBLQyEEBAOLN/DHMhApc8zOTODJ/XOZwcx8nM955kPvn97v19f9cGeJCg4fF4qDoH+05D9QU4r5+OSKO6yQYRTaHTrdCmGdhQSAaVqrMedp2wugoRAUhsBTdZXYTUtPe092u7ZnBXC+9fNBFpPNUX4It... | 1 |
math | grade-1 | time-and-clocks-word-problems | true | false |
Rose and Maya went running. They started down the path at 11:00. They ran for 1 hour. What time was it when Rose and Maya finished their run? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAEyElEQVR4nO3dz08TeRjH8fdQBArSJWhoiuJF2Z6Qk3LwIBY96YoeKj2QAAfDyavh6MGD+h9wMdEACSF6oHhSYxvLwY2JPxI1FhITRWvjWpAujVskzx7qdO1WVgp8LTt5XglJeeYT5lvyyTfTIWEsEZH3WZjNQHoFvghKlazSgnoXtNaCtwqs93+J/L5Y7mUpJ+nwQOVMJveNrwr8dbnWKVWq9Aq8XIJEFuIZqFj8kjugpVIbUe/KdQjgzxWoWPnmgFIbYXdoWaC... | 1 |
math | grade-2 | identify-repeated-addition-in-arrays-sums-to-10 | false | true | Which addition statement describes the array? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEXCAYAAACXhTP5AAAHaUlEQVR4nO3dQYrbWBRA0VLjoWdekPlb8IaS2lCtQRuqWc3To+5J2qglruxydA4IQojwexpdPh8y/fz589fbQfz48eO3v3t/f3/CJM/xX/sDAND669kDAADAn+T0zx/+5NPN/3NKffT9AQBoOMEGAICQwAYAgJDABgCAkMAGAICQwAYAgJDABgCAkMAGAICQwAYAgNCqwB5jvE3T9G2eMcZe38X+AABssiqw53neaYxtHj3P0fcHAGDZafmf/O7z46ueY7XL7fy03z7... | [
"4+4+4",
"5+5",
"1+1+1"
] | null | 1 |
math | grade-8 | parts-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its bases? | "iVBORw0KGgoAAAANSUhEUgAAAQAAAAChCAYAAAAoRWGZAAAcR0lEQVR4nO3de1xU550/8M/cuA4DDIhIGARFAe+gXCTZeAMSWKqxrrHR1UZ/2ez+mrRJk+bWGmtNbExas0ma7uZn9xfdVJMYmxpcXhjAGKmKXOUiKqEIgyDCAAMDM8PcZ/8AT7ipoDNzZs5833/6wJzvpD0fzvc5z3kOz2q1WkEIcUt8tgsghLCHcwHw9ttvw9fXF0lJSdi5cyfOnDnDdkmEOC0eV1oAnU6Hp556CkeOHBk35uPjg9WrVyM9PR1paWmYN28eCxUS4nw... | [
"decagon",
"pentagon",
"circle",
"square"
] | null | 3 |
math | grade-7 | identify-reflections-rotations-and-translations | false | true | Look at this shape: Which image shows a reflection? | "iVBORw0KGgoAAAANSUhEUgAABbAAAAC3CAYAAADD5XikAAASm0lEQVR4nO3dX4xcZd0H8F/bhdqObdHUtucImrRJo7EFZAxeCKKASKNeGETRC8UYEqPGGrzwTy9KL43Jm/AmGuMFjcZIetFWrIEgxKAQtZFTS82S2FhENGeKVUIoW2pod9+Ldgcq5YXC8+w8Z/bzSTZzZjv5nl/Ozpy23zn7zIKImAkAACCJmRn/vAYAgFQWjnoAAAAAAAA4GwU2AAAAAABFUmADAAAAAFAkBTYAAAAAAEVSYAMAAAAAUCQFNgAAAAAARVJgAwAAAAB... | [
"C",
"B",
"A"
] | null | 2 |
math | calculus | describe-linear-and-exponential-growth-and-decay | false | true | How does g(t) change over the interval from t=
–
9 to t=
–
6? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB3PElEQVR4nO3deXxU9b0//tdsmT0LISQhmLBHEpJhERGEisWrttreQuuX1i6X1ttqq2AQ7PX26+33ttfafm9rFwWLIIK2/bXfeutS0UBBIiCRLUJCEjYjhATIMsnMZCaZmTMz5/z+SCdNWCSB8+Fkktfz8fDRZpjzmnfOmTnzmpMzMzpFURQQEREREZEq9FoPQEREREQ0lLBgExERERGpiAWbiIiIiEhFLNhE1G979+7FLbfcgkgkAgD44x//iOPHj2Pq1KnweDwaT0d... | [
"g(t) decreases by a factor of 3",
"g(t) decreases by 3",
"g(t) decreases by 4",
"g(t) decreases by 2"
] | null | 1 |
science | grade-3 | use-data-to-describe-world-climates | false | true | Which statement best describes the climate of Adelaide? Hint: Summers in the Southern Hemisphere occur in December, January, and February. Winters in the Southern Hemisphere occur in June, July, and August. Adelaide is a city in Australia. It is located in the Southern Hemisphere. It has a mediterranean climate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAD2DUlEQVR4nOzdeVyU9733/9fMMOz7LgLigiwuLC4gims0Jm5xSROzNCY5ubOeY9v0tNl62l/vNu3dnuS0WXranJNotsbERE1E0USjuERxAxEBRWRXVtlh9uv3BzIRwQTjwIzJ5/l4tJFrrpnrw1wXM+/5zndRKYqiIIQQQgghhLAJtb0LEEIIIYQQ4vtEArYNZGVloVKpUKlUJCcn27sc8QO0fv16VCoViYmJNnvM73pdP/PMM6hUKu6+++4B36esrMx6rObm5gHfLyo... | [
"Summers have more precipitation than winters.",
"Winters have lower temperatures than summers."
] | null | 1 |
math | kindergarten | fewer-and-more-up-to-20 | true | false |
Which group has more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAcgAAABOCAYAAACkP4abAAAGUklEQVR4nO3dwU5UVwDG8W+GGRCFAekUxSbaRNtq4t5ln6CLLrs06QOUN8A3oG9A34C0y26mdiExgZiAiWClkJCMnRoyESFxRnK7uDJxcY1V7txzvsv/t5K4mPN384HMmVtJkiR53pP+OpIOjqU3iQAAOHNqFWlyRPrqvHRpVKo8f50kD1+GPhYAAPG405BqT4/SL+ZGpW8upOsJAMBZc3AsbR5K7Z60dSRVX75J/4JxBACcZZMj6RZK0qtjqXr8zl8AAHCWnWx... | 1 |
science | grade-5 | animal-adaptations-skins-and-body-coverings | true | true | Giant clams live in the ocean. They have a hard outer shell.
The giant clam is adapted to protect itself from predators with sharp teeth. It can pull the soft parts of its body into its shell when attacked. Which animal's body is better adapted for protection against a predator with sharp teeth? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOy9d7xcRf3//5w5bXdvzU2BJCRAEkKLBCJIE6SIVBEUUAiIgIBSBLFQfp+PfBAFFAQFQxepiqIU8SNfqlKCGAghUqUkhBAS0m7ddsrM749T7u7evSXhJpTPeeVxsrvnzJmZM+fs3te85/V+v4XWWvu+j1KKFClSpEiRIkWKFClSfDwhpcQ0TYTneTol9ylSpEiRIkWKFClSfPwhpUSm5D5FihQpUqRIkSJFik8GlFLID7sTKVKkSJEiRYoUKVKkGD6kBD9... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9ebRsW1Xm+ZtzrR1xzn0d8IAswSSlFYRUpCBBRRTRojGlbEBFRBD7DhHTTGFUmYUNoqRgliKNFiWIVZgMkcahRZtpCogPEBFNTUCENCkZKN17794Tsfdac9Yfc+0dzTm3e9zHA2t/b8SLOBG7WXvtFXHXt+Y3vynu7qUUzIwZM2bMmDFjxowZM2Z8ZkJVyTkjIjd1U2bM+EcJnYnzjBkzZsyYMWPGjBmf+TAzSik3dTNmzPhHC52J84wZM2bMmDF... | 0 |
math | grade-3 | identify-rhombuses | false | true | Is this quadrilateral a rhombus? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEPCAYAAAB4ALMPAAAqN0lEQVR4nO3deXxU9b3/8fdMJnvIvkBAQJFFKCpU5VqtlmvxuhUEF/Ytilz3er0tj/7TP9qHv95er97a242dsMm+aEu5epErbfUKPhQFFIgie/aVJDNJJjO/PygzmcmEJLPkzPJ6/tXviZPzqcrDd8555/s1OZ1OpwAAAAAEhdnoAQAAAIBoQsAGAAAAgoiADQAAAAQRARsAAAAIIgI2AAAAEEQEbAAAACCICNgAAABAEBGw4ZdvvmnV6qVV+vhgs9GjAAAAhBUTB82... | [
"no",
"yes"
] | null | 0 |
science | grade-3 | read-a-thermometer | false | true | Select the temperature shown by this thermometer. | "iVBORw0KGgoAAAANSUhEUgAAAMIAAAHaCAYAAABSE5ZzAAB2yUlEQVR4nO29eZAcx30m+mV3z0z3DK4ZkLgpESdBgOAJEpB4SqBMU9LaWlFa67K0XuuyXqzPiNULr+33nu2NDe6zJe86wrItPe9KlhQyV5RFihIsi6R4iQJJiCJIggdOXgNAJOcggZmeo7vy/VGd1ZlVeVdWTw+AXwRZmO6vvv7l9X2ZWV3VhFJKUVA0m02cOnUKkxOTOHnqJBqzDVBQEJAYQADQ9pEQAkppfGzhTnt8Cnda4AkRcHnw5UoZvb29qFarqFar6Onp8em... | [
"45°F",
"70°F",
"60°F"
] | null | 2 |
math | calculus | identify-functions | false | true | Look at this graph: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAETCAYAAADH+ejgAAAY1UlEQVR4nO3db2xT570H8K9DHDt2IYFiB/Uf8cZKLnaVRIH8UaWKcKVtacImNo1Um6aNrJWoRF+1Ut9cZRusU6lK92Jh6zQJuq0vFoQmrsgulbaLJ26lxKa5uNRmRlS1GbtqYlNwwuzYsWPfF4dz7BM7f07i+Bzb38+bxs7Jw9MkfPk9f855dJlMJgMiIgVq1O4AEZUfBgcRKcbgICLFGBxEpBiDgwqKx+OIx+Nqd4M0isFBBXk8Hng8HrW7QRrF4KCCxsfHMTExseT... | [
"no",
"yes"
] | null | 0 |
math | grade-2 | even-or-odd | false | true | Is the number of unit squares even or odd? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB4CAYAAADIUIXCAAAC8UlEQVR4nO3asVHDQBBAUZlx5IiExJEDiqIH6qEHynLkmMjpEdEA/sNJ4r0G9jbQzJ8dHcYYY/lj759ffz0SNufj7Xn2EwCAXzjOHH45n2aOf9j1dl+WxR5rsbc9AIBtepr9AAAA2BOBDQAAIYENAAAhgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAIYENAAAhgQ0AACGBDQAAIYENAAA... | [
"even",
"odd"
] | null | 0 |
math | grade-8 | similar-and-congruent-figures | false | true | Are these shapes congruent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEXCAYAAACXhTP5AABlcElEQVR4nO3dd1iV9RvH8fdhgygg4iCVqQgIbiWyxL3ANEdqmpILd+6998jcliZqmmWpiRvHLzNTNFygOEBwYBguRBSQcX5/gKcQHChwzoH7dV1excPDc+5TGbdfvt/PrVAqlUqEEEIIIYQQeUJH3QUIIYQQQghRmEiDLYQQQgghRB6SBlsIIYQQQog8JA22EEIUYr6+vujr62NkZISRkREWFhZ06tSJBw8eqLs0IYQotKTBFkKIQiw0NJSff/6ZpKQkkpKSuH79Oik... | [
"yes",
"no"
] | null | 1 |
science | grade-2 | identify-earth-s-land-features | true | false | An island is a piece of land that is fully surrounded by water. Select the island. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOEAAAC0CAYAAABi8Es+AADb2UlEQVR4nGz9Z691y5bfh/1G1Qwr7fDkk+65qZvdTTaDRImAMmzDMvTGgKFv5i/gDyBKlF7YBmzAgi3IgEHbpEhLZOt2940nPWGntVeYoWr4RdWomus098U9z95rzVA1aoz/iDVK/g//9JMKICIAiIACDkBAAMm/OAFUkfx51HQ9di+UZwiK3Q2aniX5uYuL7R4VKVeLQFTFieDS3fzoNsTZ9YoiqGp+k+LEpbERcU5QTWPXPCaXx78costPl/yFZEJEKCNQo8W... | 0 |
math | grade-2 | greatest-and-least-word-problems-up-to-100 | false | true | A bus driver paid attention to how many passengers his bus had each day. On which day did the bus have the fewest passengers? | "iVBORw0KGgoAAAANSUhEUgAAAWcAAAC9CAYAAABvarxwAABGt0lEQVR4nO3dd1gUVxfA4d/Sm4BIERXB3hWwoUbBmMReiDViAU2Mn8ZGbEmsUaOxBUvEEhWTiF1sidFYwKiosSBq7IpgQUWlSGeZ74+VkZUO4qLe93n2UWbvzJzZZc9eztyZq/AdWU9CEARBKDGGLgpFB6BLv681HYsgCIIA7Pp9AQBaGo5DEARByIZIzoIgCCWQSM6CIAglkEjOb1hMui4ukR/zyUM3YtJ1NR2OIAgllEjOr9FfibYsjK2Ra9INTrYkIs2IS6lmeD9... | [
"Friday",
"Wednesday",
"Tuesday",
"Thursday"
] | null | 1 |
math | algebra-2 | factor-quadratics-using-algebra-tiles | true | false | Which area model represents the factorization $6 x^{2}+5 x+1=(3 x+1)(2 x+1) ?$ | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVUAAADjCAYAAAA16IfyAAAMWklEQVR4nO3df2zU9R3H8dd9r6XAlbaRFixQfrQgwgCByozgJhgrmWJMBDfNppvJNrNgMmemiRn/bH9oJJk/koU5l7lsmbCZ4AwMJhR/MHUGMS1hAYZApYPS0h4/WriWtnff7/4oNFChP9/H5673fPyjPWK/H19pnv0eV7hQEARBQ4d0uFU6l5DigQAA/ZQVksaEpRmjpfEjpFBDexB81uL6WACQ/m7Lk7IOtXZ9UDxCmhnpKi4AoH/OJaSDMam+Q/qiVfJa4l2... | 3 |
math | algebra-1 | identify-functions | false | true | Look at this set of ordered pairs: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACGCAYAAADnyP2rAAAZqklEQVR4nO3df1CVZf7/8dc5HQNs1KMi3jCIjT/P6MoIIUrC1KGtVMaiXVu25EclyVg2bTtlRTNsjbYDk+3sls1GTgIOOyNi1vpbZ0txkVX3LIWguTKypsRhk5gjNfnryP35o2/37vmCrcg5YM3zMcM/1/u6rvf75q/3nLnv67KZpmkKAAAAQFDYB7sAAAAA4MeEBhsAAAAIIhpsAAAAIIisBrutrU2GYaiystIKbtiwQdOnT1dERISmTp2qd99997qSNDY2yuVyyel... | [
"no",
"yes"
] | null | 0 |
math | grade-5 | adjust-a-budget | false | true | This table shows Chloe's April budget. What could Chloe do to balance her budget? | "iVBORw0KGgoAAAANSUhEUgAAAngAAAC9CAYAAAAgLQAUAABdg0lEQVR4nO3dd1wU1/o/8A8LUkVAFKISXUBhkcBClBoRBXMTvVbAgmJXsIsJEgyGGxFFjYktlp8SjaIRu8ZybRgVQxQElWIFURCigtLbUub3h5f9uu4uOwuLyOZ5v1553evMmTPPmZnzzNlpqHj9asaAEEIIIYQoDU5rB0AIIYQQQhSLBniEEEIIIUqGBniEEEIIIUqGBniEEEIIIUqGBniEEEIIIUqGBniEEEIIIUqGBniEEEIIIUqGBniEEEIIIUqGBniEKKnJfZf... | [
"increase spending on scrapbooking supplies to $50",
"use only $120 for vacation spending money",
"spend $10 more at the kite festival",
"spend $10 less at Papa's Pizzeria"
] | null | 3 |
math | kindergarten | subtraction-sentences-up-to-5-which-model-matches | true | false |
Which picture shows 2 − 1 = 1? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAABKCAYAAAAi2W96AAANiUlEQVR4nO2dbWxU152Hn3vHdxiP3z228RvGjjE28RoGEG9ZpaUbNrRUgWRLs2rZABLJt6yaSuyK8GVBipIl6ipISbQronZTKrLN0gqXbBQWbePQhoANDTZObLAJGLBhjG08tod5n3v3wzB3wDO2h7FhPJPzfIHzcs+c3/x/Pvfcc++cK2maptm8cMkJYwHwawgEs440CbIMUGOGuUaQbB5NaxlNdLcEgthZlQ1p3c5gosQItRlBVwsEs42xAFy8Aze90OUEedQ... | 2 |
science | grade-2 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAC95UlEQVR4nOz92bNtWXbeh/1ms7q9zz7d7fNmZmVWXygUC0JTBCCCpECKjQwaClt+8rvCfwb/DYVDQb3YwQgrKNs0rbDCEEFRFAigSBRYBVRlZWVbmbc9/dnNambjhzHn2uuce27WRSUZIUdgRZw43W7WXmvMMcf4xje+of74PMavzWFh+MvjL4//VR6XHt5ZweMeDiz8tX35u/5Lw/3L43/tx8LA1+by89Jv/67/0nD/8vj/hyPb6RC3f7M3PfCf/umGEALOOZx... | 1 |
math | algebra-1 | perimeter-area-and-volume-changes-in-scale | false | true | Look at this square: If the side lengths are tripled, then which of the following statements about its area will be true? | "iVBORw0KGgoAAAANSUhEUgAAABoAAAAOCAYAAAAxDQxDAAABo0lEQVR4nN2Uu4rCUBCGfy/FgUSwsEhhI4aA2ghaiAZ8Ed9ALXwEsRFEsbAQwdbKCD6ApWgnWIioqUyhNqKIl2iYLZYVs7phWdgt9qsOP3POxwzDsRER4Q+w/4XEJBqNRhBFEZlMxlSgqipkWQbHcQiFQhgMBi8f4nkemqZ9bSIi6vf7FA6HKZVKUTqdpkdkWaZCoUC6rlOn0yGv10u6rtNn1us1GYbxlH9gIyJaLBYQBAHVahWr1Qq1Wg0AsNls4Pf7sd1u4XQ6AQC... | [
"The new area will be 3 times the old area.",
"The new area will be 27 times the old area.",
"The new area will be\n1\n4\nof the old area.",
"The new area will be 9 times the old area."
] | null | 3 |
math | grade-5 | mean-find-the-missing-number | false | true | Betty has the following data: If the mean is 18, which number could x be? | "iVBORw0KGgoAAAANSUhEUgAAAJsAAAAkCAYAAACe/UgsAAAE0klEQVR4nO3c/08TdxzH8WfbKy0VKEoFFURQvuoMOhQ17otzKsp0aDQmi/ua6PxBly37yZ/2J2xxM9OZTTe36TTZZuZ0mYtzIYsK0qyCOuo32KCAWBGESlva3n5AjWyLnPbDncHP48frm75fH/Lu9e56OZOqqipAJALBIMRigIokxccEZjPY7aAotzepqqqGghAKGZtNGrlsNrDZQYlE5KBJwysUAosC5rAcNEkH4RCYo1GjY0iPg2gUzKo8GZB0oKpgNjqE9PiQwyb... | [
"13",
"25"
] | null | 0 |
math | grade-3 | is-it-a-polygon | false | true | Is this a polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC0CAYAAACuelsNAAASkUlEQVR4nO3daXDU52HH8d9q97/iPsVlwGDEaantTDN1XrgzbafJTPOqqe2mddq0wUFGwUnNYQ4TfGHAGBsDdXHB4ChOJm6SOnHe2TP4hT2DO2PP2DP2aNGBDgQCcUjoQtc+/6Mv/gtCsgBJ7Gr/u/v9vNHI9sD6ePH1M8/zU8jzPE8AAAAAkiIv3R8AAAAAyCYENgAAAJBEBDYAAACQRAQ2AAAAkEQENgAAAJBEBDYAAACQRAQ2AAAAkEQENgAAAJBEBDaQgSq6PL1... | [
"no",
"yes"
] | null | 0 |
science | grade-4 | animal-adaptations-skins-and-body-coverings | true | true | Musk oxen live in the Canadian Arctic and Greenland. The musk ox's skin is adapted to help the animal survive in cold places. Which animal's skin is also adapted for survival in cold places? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOz9d4BcVf34/z+n9z47OzPba7ItZdN7gRBCIAQIXUFBURGlWFA+NsSCYnkLggKCdClSAwESQnrPpu5utvc2Zaf3+vsjX/IhEjBggPfH3zz+2r1z7rl3zr137mvOfZ0zgmw2m02lUmQyGXJycnJycnJycnJy/t8kFAoRi8UIkslkNhfc5+Tk5OTk5OTk5Py/TygUIswF9zk5OTk5OTk5OTn/HTKZDMLPeydycnJycnJycnJycs6cXICfk5OTk5OTk5OT818... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9ebxeVX3v/15rT8/8nHmeck7mkQTCFGZEQBQRUATrRO/lVosVa6u19Wqp1tqLVq8UWutQVMAZpCrzTAgECEnIPCcnJznz8Mx7XPv3xz45EgGNGEtvf8/79eJFnn32Xnvttfd6nv1Z30mEYRj6vo9SiipVqlSpUqVKlSpVqvy/iZQSXdcRQrzRXalS5b8lsiqcq1SpUqVKlSpVqlT5fx+lFL7vv9HdqFLlvy2yKpyrVKlSpUqVKlWqVPnvQfXdvkq... | 0 |
math | grade-1 | find-the-next-shape-in-a-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAVuklEQVR4nO3dW4xd13kf8G/vc5nhcMhhKJs0JfkCUBcEZqQGdpDCUiTEKFTFFtwCdiHVD4mLBO1D/JDEaC6t1KKRHmxASAKkKVDAKewWBZSgRQAhommhrWBZjANEaiObqi1SNFRdRiIZUqRmSM657j6MhqRMznDOzDn7Nr8foJeZs/da38el2f/Zs84+SZZlWQAAALWQFj0BAABgfAR8AACoEQEfAABqRMAHAIAaEfABAKBGBHwAAKgRAR8AAGpEwAcAgBoR8AEAoEY... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAYFUlEQVR4nO3da4wd53kf8GfmXHa5XO7SlL00JfkCUBcYZqQGdpDCUizEKBzHFtwAdmDVH2wXCdoP8YckRnNprRaN9MEGhCRAnAIF7MJuUUApWgQQIpoWWguyxchIpNqyqdgiRYOVqRW5DJekdpfcc51+WC0vJpfk7p4zM2f29wP0Qbtn5n2fR6/2nP/MnJkky7IsAACASkiSpOgplFJa9AQAAACGTfABAAAqT/ABAAAqT/ABAAAqT/ABAAAqT/ABAAAqT/ABAAA... | 2 |
math | grade-4 | angles-of-90-180-270-and-360-degrees | false | true | What is the measurement of this angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAUCAYAAAC3ZkrjAAADkElEQVR4nO3dT0ibdxzH8U9GL5Zpob3Z5LjapsK8heRUSOo8aKVK9bgM5nayEzfW0SFl6MZabHF62hw0PZqRDJaCHSbslpBbBvljuuPz1FsKjaUenx1MM0SjKcsfn+T9ghyS5/c8fH48l+/zy/N8H4dlWZYAAAAANMR77Q4AAAAAdBIKbAAAAKCBzrQ7QLuUDFOZZ3EZuYKMXEFmriDn1StyVT5DIwFdcDnbHRMAAAA24+jGe7AT648Ve7imvfJuzTE9fb0a+/K2/DP... | [
"90°",
"270°",
"180°",
"360°"
] | null | 2 |
science | grade-3 | compare-properties-of-materials | true | false | Which is harder? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKUAAADCCAYAAAAo2gI4AAAqn0lEQVR4nO2deZQdV33nP7eq3tb7JsnabNmSJcs2li3vG2AbYxiHwdsEPCFshwTIcUiAYQKZOeGc4MPkkAMJZpIhGQYytnOMTwwhA04AG+J9kWQbSZZtWZu1dqu71Xv3W6rq/uaPqnqv3uv3Xr9uve5+kut71Keq7r1Vdd+tj36/3723FrV1VGRDM7SaRIq0oBp3Yfck9Oag04LrOrx0IwIy0mKp1YQNzd76hFtINyIgIy2mAv5sKaQZi1OVSJEqK4IyUsMpgjJ... | 1 |
math | grade-1 | estimate-to-the-nearest-ten | false | true | How many marbles are there? Estimate. | "iVBORw0KGgoAAAANSUhEUgAAAZYAAADECAYAAAC8yQfeAACPEklEQVR4nO39W5Rc13nfi/7mXHXpbnSTuDQkACQBtGwSvIhQZIF2RCmUTMUWqbFtOZHiMSJZ3i/bJ87DdhLlxTox/XBOhukXK8c5D1bCZGQMmfIYWxJFmco2KVsmZN6cY4GkQtDEhQrRAIgGRXQ3Lt1VXbXWmvM7D/Oy1qruxrWBRoPrPwZZWFXVVetW8/9d/t/3KRERatSoUaNGjRWCXu0dqFGjRo0aNxYaq70DNWrcKJBuijk2A4AaaZFs37TKe1SjxuqgJpYaNS4... | [
"about 70",
"about 20"
] | null | 1 |
math | precalculus | determine-continuity-on-an-interval-using-graphs | false | true | Is the function f(x) continuous on the open interval ( – 8,5)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB3FElEQVR4nO3de3xU5Z0/8M+Za+4XEkhCIOEmKJCEW8AAESzeVtQKarFua3Wtu7ZV2/623e122+6267puW9utt7a2rpfddl3ZolYwIgpCDEIgQCABIQTIhZDLJJPJ3M85c87vjyEx4ToD52Eyyef9evHSTOZ88805mWc+88wz50i6rusgIiIiIiJDmGLdABERERHRSMKATURERERkIAZsIiIiIiIDMWAT0RCbN2/GpEmTsHLlSgDA7bffjjfffPOc91UUBddeey127Nh... | [
"no",
"yes"
] | null | 1 |
math | kindergarten | circles | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACbCAYAAACao4KyAAANlElEQVR4nO3d+W8c5RkH8O/MXrOn17cdQ7BjO86Jc5IUERIclygRpUBVUaC00EilVftDKxWp/0ErFQlVrVSKCiqi6gEUIgqUM+EKOCRADgjEdmInJNm1HWe93ntmd6Y/OCkJhaT7zvHOzD4fyYqSMO/zoP3mndnZd94VNE3TkjIwmgcyFaCsgRDdvAIQ9QC9IaDVDwjJkqa9N8u7LeJm62KAdyQ/95t2P9AXnkshIXplKsCRHJCQgeE8IM6W5/6CQkaMFPXMZQo... | 0 |
math | grade-8 | identify-trapezoids | false | true | Is this polygon a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACfCAYAAADDEa74AAAXJUlEQVR4nO3deXhU9b3H8c+ZmaxMEmLESESBIMoiiiCL1aKIeFVUFhUqVS/Vp627Vu1y23r7XBd6K9VSrbXXloIiWoqy1FKpa7RYcUNAAQFl1QAqJCSTZCbLnPvHkDkZgmabmXPOzPv118yQyfz+yDy858z3/I5hmqYpAAAAAHHhsXsBAAAAQCohsAEAAIA4IrABAACAOCKwAQAAgDgisDtjyxZp2za7VwEAAAAHIrA742c/kwYOlKZMIbQBAAAQg8DujIkTpZISack... | [
"no",
"yes"
] | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAYN0lEQVR4nO3de3hU9Z3H8feZySQzSSDcwx0UBQsIaFW8tfWC1hvdVq3tdtdut+52b+3Ty26t27prW9s+q7XdPr3sbrdrL2pbq603RLSCUBGVUBQQylVALiFAQkJuM5nb2T++M5mERAjOcM4k+byeJ89Mzpw5+SVn5nN+5/s7v4zjuq5bF4cd7dCSgqSLiEhBlDgwJAhnlkN1KTh1Ha5b0+x3s0RkoJs/FEq2t9s340phRoWlkYhIIbSkYGsbHIjDtnYINCftAYW... | 0 |
math | grade-1 | match-analog-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEJCAYAAADhBFPCAABUY0lEQVR4nO3deViUVfsH8C8u7IxQ7qAgZspY7gJaYW+KlqCWuO+4txj6Ktr7yyVFM0VfRS0V3DWXBHMvocUoFbDM5XVIUxYZJMONQWAGUX9/GCPIMPPMvvj9XJeXzMz9nOeO4PKeM/c5x+7Ro0ePQERERERENqGGuRMgIiIiIiLDYYFPRERERGRDWOATEREREdkQFvhERERERDaEBT4RERERkQ2pZe4EyPzkcjlKSkpQUlyMkhI5SkqKUVJSgpq1asHZyQlOTk5wcna... | [
"6:00",
"10:00"
] | null | 0 |
science | grade-8 | identify-ecosystems | true | false | Select the cold desert ecosystem. This ecosystem has:
long, cold winters and short, cool summers
many evergreen trees
soil that is poor in nutrients This ecosystem has:
hot summers and cool winters
a medium amount of rain
soil that is rich in nutrients This ecosystem has:
a small amount of rain or snow
dry, thin soil
l... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOz9eZglV33fj7/OObXdrbfp2TSLhASSEIsshAhYMqsMPxsHL9jIBEQUjAnhsY2wRSIMCYnNF0QwNkHg5fEiIwgOfgAbP4HYOCB2WazDHpCEltGsPdPLXWs75/z+OFXV93b3dEsaCQGqN09RfW9tp5bRfdf78/m8P+KLK9ae14KOokaNGjVq1KhRo0aNBwU9Dd8dgOjm1tbEs0aNGjVq1KhRo8aDjZ4GYa21D/VAatSoUaNGjRo1ajw84I1/+Jt/+gw... | 1 |
math | grade-3 | identify-faces-of-three-dimensional-shapes | false | true | Does this shape have a triangle as a face? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD7CAYAAABQdOO0AAA5HElEQVR4nO3deZRcZ33u+++7h6rqQd2SW5I1z5LRYBsWNjYBchdm3XUZ7gAH1jo3uYHk5nBCEnISSHLCkAM5hwBJIBccCAl4QrYu18Eh2GDADAFDcIKZgg2WbVkGD2q1pFbPQ3VX197ve//Y1S3Z1tBDVb1V1c9nLS1aW937fbRoWI92v/v3GuecQ0REREREqiLwHUBEREREpJWoYIuIiIiIVJEKtoiIiIhIFalgi4iIiIhUkQq2iIiIiEgVqWCLiIiIiFSRCraIiIi... | [
"yes",
"no"
] | null | 0 |
math | grade-4 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines parallel? | "iVBORw0KGgoAAAANSUhEUgAAAFUAAABXCAYAAAB1PQlRAAAHsElEQVR4nO3da1BU5wHG8WdZsgmHS9gYjJKmgFMTo/EyqZ0xqTrqNCUxyXQDQR3RkbRKOkmbxIyZtiOZiBWlkw8FL53EmCi3SDO2pEvTRhEhjEOxH2RNLSM2dQFDRyC6a7NbbwtPP9Cz7sKy13Ol+5/hA8w5777z4913D8NyMJAk4klagtoTmIzFUWUojhphrWfbUNm4N+gxcdQwcrqdKPuoHBnr78f33nwKWVOzgh5viL9QTVzr2TZUt9Sh+kSt92vmlHQM1fQHPS9... | [
"no",
"yes"
] | null | 0 |
math | grade-4 | scalene-isosceles-and-equilateral-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADACAYAAAA+yRTaAAAk0klEQVR4nO3de1TUdf7H8RczXBUR0yxTUwE1tTJDQfNuClrbttlWvzJRQcw1NUhT2ywtcytbKd3dytrNLrbdvCwjlJJFanmLVQqVDBeXRElEERUQBpjfH8SkbRdmBL4z8Hyc0zkxn3G+71N5zquv73l9PWw2m00AAAAA6oTJ6AEAAACAxoSADfxIXl6ebr/9dnXt2tXoUQAAgBsiYAPneeGFF9S9e3etXbtWBw8eVHZ2ttEjAQAAN+Np9ACAK9i3b58mT56sHTt2SJI... | [
"isosceles but not equilateral",
"equilateral",
"scalene"
] | null | 2 |
math | grade-4 | properties-of-three-dimensional-figures | true | false | Luther saw a 3-dimensional figure. It had a round base. Which figure could Luther have seen? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHgAAABSCAYAAACfUxCCAAARNElEQVR4nO2ce3hU5Z3HP+/lnDmTyY3IvUBIEEQCualgaEHRlQcUkFit213dcqsFkSIlWKvoQ7vtXmSL7OOqbXe1UIXyCC4R2lItLaBJVSxbVNCitCCCgklqJARynXf/eM/MJGh9SsjFmc734TDPzDmT83vznd/3/b6/35sRxhhzvAkOnoa6VmgxJBHH0ALSFAxPgX4uiOONxuw+2dNhJdEVGJcO+u3T9skAFy4KWfaTiF/UtcKBeni/Cd46DfJUqz0xMkluQiB... | 0 |
math | grade-3 | identify-equivalent-fractions-on-number-lines | false | true | Is 1/2 equivalent to 3/6 ? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABwCAYAAAAkAwevAAAUE0lEQVR4nO3df0zV973H8ddBBBER8HAcHGoUnb9nNOgQWlFXza6t0VmrldnGOkPWNXZr17ncGv+oXbJeybZrry6LutzWDrtEW6umY+1S7YCOCyLY2mrEOCq6eUTAHE5BjnoOnPsHwmRqS+uBz/fwfT4SI+eLJq/49pzz4sPn+8ERCoVCGiAKCwvl8Xj0k5/8RHFxcabjAIAkadu2bXI4HPrxj39sOgoASJLa2tq0fft23XfffXr88cdNxxlwor7qXwgEAmpra+uLLPe... | [
"no",
"yes"
] | null | 1 |
math | pre-k | fewer-more-and-same | false | true | Are there fewer rabbits than carrots? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAABRKElEQVR4nO3dd3gd6WHf++/M6QXAQe8gQAIgwc4ltxdJliytpFW3FEuJb+zYlmzHJdcpzvV9chP7xo5j36s4ceLETnHkayu2JauvpFXZvqttXPZOkOi94/Qy7/3jsC7LshyUAX6f59Ej8fCUGXw1mJczc96xjDEGEREREREpCXulF0BEREREZC3RAFtEREREpIQ0wBYRERERKSENsEVERERESkgDbBERERGREtIAW0RERESkhDTAFhEREREpIQ2wRURERERKSANsERE... | [
"no",
"yes"
] | null | 1 |
math | grade-1 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAOkElEQVR4nO2df1CUdR7H38+z/E5glUAxEBFFODT7pXXVKR6VzqUznKXVTJcw248rp+aqubsu6sSK8fqjrh869ovEq6YpvcY7HK8fpqWVnIpuISdKlour4sLCAsqysLvf+4MgUHb3+yzPr+X5vGZs0J79PJ959vvm++vzvL/CggULWGFhIeTgyy+/BGMMFC/8eLt27ZIlltYUFhbq+jkbLV5UYWEhysvLZQm4Zs0aMMYo3ijijRWoXekrnihLJIIgdA0JnSAMAAmdIAw... | [
"turn",
"flip",
"slide"
] | null | 0 |
math | grade-8 | identify-functions-graphs | true | false | Which of these relations is a function? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAATIAAAE3CAYAAAApC812AAAbMklEQVR4nO3da2xc5Z3H8d+M52Yn2A5JcGgSEqd2bIiJx0nssTeCqqAWHJq0sKViWe2F0qjqal+sVqt9sS9YVApiV7xZFcoiVJp2VS1aIcgClbNpIdtSsD228TgE104CdghsnBsZO77M1bMvTmbsSZw0IZ7LM/P9SIh4Mpzz+PbjnOd5zv9vSyQSibGIdHRaOh+XYgkBQF5z2KQbSqTaMqnKJdnGwomEfyLXwwKAL8ZXLjmOTFsf3OyS6pZYKQcA+ex8XBqekk5... | 3 |
math | grade-3 | identify-two-dimensional-shapes | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC8CAYAAABCKdlgAAAPyUlEQVR4nO3d7Y9W9ZkH8GsemOFRQYjYBcoWBJvYRolt07RVW1uzrbuNiVbTJvpON7trEzf21f4X+wes2bpj7Qv7imximpHZQBjZZZcUeWhgE5ghgMs9DjCDM8wMc99z9gWIoKjzcM79O+e+P59XHiTnfCEYvzn8znV1ZFmWBQAAkIvO1AEAAKCVKNgAAJAjBRsAAHKkYAMAQI4UbAAAyJGCDQAAOVKwAQAgRwo2AADkSMEGAIAcdacOkKd61oif7f2n+Gh2KlZ298a... | [
"triangle",
"hexagon"
] | null | 1 |
math | grade-8 | multiply-polynomials-using-algebra-tiles | true | false | Which area model represents the expression (3x+2)(x+2)? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVUAAACrCAYAAADW4w/zAAAOKklEQVR4nO3dfWwUd37H8c/OrnlaY+zEBmNMSeyEp1xQwEUEJfQhKReIklRV1Eo5nVTxX6Qcuajin/R6/bN3qVT1qhO6NFIqXS+90+VCTkcqxcFKaeByhaQ2gfAQQ+yACbaxF4wXr10/zEz/cO0YFxx797sM+9v36x+zY5jvTx+sz8547JlYGIZh94j0+aB03ZfGQgEAZikRkxbHpfsXScvmSbHu4TD8KB31sgCg8G0pkxLnBsdfLJ8nrUmONy4AYHau+1JrRuo... | 0 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAsOUlEQVR4nO3deXxcdb3/8fc5M3My2bokabqk+5JudJECLW2hlRZEEQX1B6KA94IL/lRAgct21asim1QWL4qoeEVRQf2hoFce0NZSulBLkbbQldKmabqma7bJmTPn/P5I2zMpSdu0s8/r+QcPJplJv0nOeeT9/czn+/0anud5AgAAAJAQZroHAAAAAOQSAjYAAACQQARsAAAAIIEI2AAAAEACEbABAACABCJgAwAAAAlEwAYAAAASiICNtLpqZVSjF7fqr/Vsxw4AAHK... | [
"no pairs",
"1 pair",
"2 pairs"
] | null | 0 |
math | grade-7 | identify-complementary-supplementary-vertical-and-adjacent-angles | false | true | Which angle is complementary to \angle{2}? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADsCAYAAABOp9GXAAAbZUlEQVR4nO3de2zV9eH/8VehYDHdelR0JRZ6alkUBvZ0sgSiSc+Zi0DibMmmwCbS8t1W4hfpIcu4BFzPkXTCorN4CReNHAa4ySUUMA5R10OGWWeGPQ7XwSi2pQzKhuwU8duua3t+f/A79ZTeTttz+vmcc56PpIkc29N3jX+8eObdc5ICgUBAAAAAACJilNEHMJOCggL5fD6jjwEAAIAYxsAO4ff7lZeXp23bthl9FAAAAMQoBnaIpqYmXb16VcXFxfJ4PEYfBwAAADG... | [
"\\angle{1}",
"\\angle{4}",
"\\angle{3}",
"\\angle{5}"
] | null | 2 |
math | algebra-1 | multiply-two-binomials-using-algebra-tiles | false | true | Which multiplication expression does this area model represent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB2CAYAAADyWuSyAAAJvklEQVR4nO3dXWzd9X3H8c85dhJjE5NADI6TAU0oD2mHmmS0IMo2tU0XKtRqQptoValC2kWl9UkI7SJad4m2SXvqFBUhoalrt9FSOjFpI8OiaUNpU1gcUkJ4SBMSl9iOHUicxCZxfM7ZRdQQQ7gI/M3f5+T1ujs/K/p+88/NWz/9fVJpNBqNAAAAhaiWvQAAALQSgQ0AAAVqP9fhwOBURo7W3+9dml5vdzVrrpx/zp8NjPVneHJv4TOXdq7Imp51c2YmAMCFrvLWd7D... | [
"(x+2)(x+2)",
"(2x+2)(x+2)",
"(2x+2)(x+1)",
"(x+2)(x+1)"
] | null | 3 |
science | grade-4 | read-a-thermometer | false | true | Select the temperature shown by this thermometer. | "iVBORw0KGgoAAAANSUhEUgAAAUkAAAQxCAYAAACjw3+jAADT/ElEQVR4nOzdd1hT1//A8XcmAcKeslRAwQXuvRW3tXVU66jWDrtbW6tt7d7L7vZra5ejddVR27r3xokTFUVkyN4rhCT390ckEoEA1tVfz+t5fCT3nnXX555z7g3IYiWDhCAIglAt+e1ugCAIwp1MBElBEAQbRJAUBEGwQQRJQRAEG0SQFARBsEEESUEQBBtEkBQEQbBBBElBEAQbRJAUBEGwQQRJQRAEG0SQFARBsEEESUEQBBtEkBQEQbBBBElBuMOdPnCQ9x54qMr... | [
"79°F",
"85°F",
"84°F",
"78°F"
] | null | 0 |
math | kindergarten | compare-sides-and-corners | true | false | Which shape has more sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAIr0lEQVR4nO3dz28U5x3H8fczs15sljU4Tg1GwUAxuGC3Eqdw5JpKOSClpypVpaqtWiG1Ug5IHFD+hFaqWlVVpUpRb5FyqdpTFSmXSFwiFRNCSRoCbXESQsiujbHZmclhdgVxgNje+fHMdz6vU1B+TeC9w7PzfOeJS5IkWVqH9+9BN4JegkhlNRy0Qzi6E/Y2wS2tJcnFTtmXJZK958ehce1e+oPpJsy10vpFqqobwdUVuLUO/74HQaeX/gnFLRa0w7RlgOUIgui... | 1 |
math | grade-2 | read-a-calendar-ii | false | true | What date is 8 days before October 18? | "iVBORw0KGgoAAAANSUhEUgAAAssAAAGvCAYAAACthZgKAABeSklEQVR4nO3de1xUdf7H8RcDchEF5O5dvKKG5i1TJDaztEwrc91y220rK7ttra3mulvZmvlTqy1ry3arNS3TzC1RczFtQcXLesULqCgqIioKAnK/zPz+QEYJjg4JDEPv5+PRo5pzZvjMZ2bOvOd7vuccJ4vFYtl0qIStSSWk55gRERERkesX6GXi5i5NGNKtib1LkevgtPFgsSU108KtN7jg7AwWi71LEhEREXFsTk5QVgb/3V9M6xYmIkJd7V2S/ESmrUklDA1zwWR... | [
"October 9",
"October 10"
] | null | 1 |
math | grade-3 | scalene-isosceles-and-equilateral-triangles | false | true | Is this triangle equilateral? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADOCAYAAAAEw3WqAAAn8klEQVR4nO3de3jU5Z338U8myRjGSAwGowQCJEOKQaIYLO0SD5HDROWpLV7dZetenArW6qWP2lIPD7Sia3G9Wl1tu67sdtfADAEhEgIJK7EJhCCQZhQUyiGDgUAwBQ05QpKZzDx/hMzWtloOmfnNTN6v//xNMr+P15U/Pt7e3/uO8vl8PgEAAADoFyajAwAAAACRhIKNAaupqUlvvPGGvvnNb8pisai6utroSAAAIALEGB0ACKbOzk698847WrVqlUpKSr7w2UcffaS... | [
"yes",
"no"
] | null | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAZg0lEQVR4nO3deWAU9d3H8ffslZPcEK6QgEA4JIBIwCLIIYoCLSJYvB4PnqeVtj5Kq4+ooNaixWo9quBjW6utx2M5VC4FUTECCYcEAiEhCYEc5CL3nd3s7jx/bFgJl8FsZpbk+/pHMjs7893Dz87vO/PbVVRVVYttcKwBah1gVxFCCI8wKdDNCIP8IdICSrFVVffW6F2WEKKzGxcEpqwG1x+9LBAb4EojIYTwhFoHZNRDkQ0yG8BQY3fdIGEjhPC0bkZXtgDUOcD... | 2 |
math | grade-6 | interpret-histograms | false | true | The Brookfield Soup Company recorded the number of rotten tomatoes in each barrel it received. Which range of rotten tomatoes per barrel occurred most frequently? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAAAznElEQVR4nO3deVhV5d7/8c9mBmVQAQUtHEhTwYkiRc3hHDUzj0POOVSmlaU2as/T03S6zunRp3NKs2Om5slS05wSNXFEcUaSnJI0E2RQcWBQJjes3x/+3EdScCsbNuj7dV1d115rr33f3+8CFp9u196YDMMwBAAAAMAmHOxdAAAAAHA3IWADAAAANkTABoDbVFhYqOeff15vvPGGvUupVLUAAK5ysncBQGWQk5OjV1999Yb9np6eatSokfr27auAgACrx/v222+Vmpq... | [
"120-139 rotten tomatoes",
"80-99 rotten tomatoes",
"140-159 rotten tomatoes",
"20-39 rotten tomatoes"
] | null | 0 |
math | grade-1 | ordinal-numbers | false | true | The first picture is a fish. Which picture is fourth? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAns0lEQVR4nO3de3SU1b3w8e8kEyUzSbhnAgRLgKAiIVyOkoDw0oIouCpoEVSO2pKl9fQIwpG2IlShDYWjWFD0yBGDly5RwKLYQzzQYC0UieuVSxIuvg4hCNEkKNEkkwTJZOb948lMZpKZyTOXzPX3WSuLZPJcNnvt/PZ+nn3TWK1WK0IIIYQQQoiAiAt1AoQQQgghhIgm0sAWQgghhBAigLqtgf19i5WMvfWM/aiB71tkFIoQQgghhIgNPjWw369qYfXnlz02nD/+1sy... | [
"sub",
"turtle",
"fish"
] | null | 0 |
math | kindergarten | one-more-with-pictures-up-to-10 | true | true | Count the apples in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAAcmklEQVR4nO3daXCd133f8e/z3H3FvRf7TgAkNhECSS20RMuqK9myYlsZJbZlJ+M0cePUSWO7qbO4ids0aZO4Se1pnBnbjeN6Syd12iSTxfU4TjJVIooSRUlcQBIECIDYie3i7gvu8vQFSIi0KImSQF4svw+HI90H55zn3OfVD4f/5xzDsiwLERERERHZFGalJyAiIiIispMoYIuIiIiIbCIFbBERERGRTaSALSIiIiKyiRSwRUREREQ2kQK2iIiIiMgmUsAWEREREdl... | null | [
"iVBORw0KGgoAAAANSUhEUgAABOwAAAB+CAYAAACXpI7eAABRbUlEQVR4nO3dd3xdaXno+99au/ei3q1iyZLlOsXjaUCmEhg4E6ZQToBDGmmQBJKTdm7aCSEkcG8gNyHhJAGSmwQSktBCGCChjMczHo+r3CSrd+2t3XtZ6/6xJdke2zP22PJesp/vfOYjaWuttV+tpcef5330FgXQEUIIIYQQQlwXuq6zUICzGUiWoSTZthBCCCFegVkBjwk2O6HBWnlNQQp2QgghhBBCXDcLeZ0DiWq3QgghhBAb0R4v1FvBXO2GCCGEEEIIcTM... | 1 |
math | grade-7 | bases-of-three-dimensional-figures | false | true | Look at this figure: What is the shape of its base? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADJCAYAAAAZxkUSAABL9klEQVR4nO29eaCkZXXtvfZ+3rfqnJ7nuYFuBhWRUQQZFRAQNIoSjImaRDOoJA65uZ83Sj6N+eIUp5gbvUnMvQ7JFY0GYyKJA6KICIggyCgzTTfdTXfTE92nu0+9z/fHs5+h6hyawdNd55ysX1Onqt565/pn1WbttcV770EIIYQQQggZE7TfJ0AIIYQQQshkYtIL7B/8+Au4/tbL8Kznzej3qRBCCCGEkP8CyGS3iJz1ioNwxTceBAAcd/IC3HD1uj6fESGEEEIImcx... | [
"triangle",
"rectangle",
"square",
"circle"
] | null | 3 |
math | kindergarten | select-three-dimensional-shapes | true | false | Which shape is a cylinder? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAN/UlEQVR4nO2dW2wcVxmAv7W9sb1ee9eX+JImsWmxnYtoEE1JQdASKjVIKI2EoH1ARSBxETzxBE/wUJ6AF6Q+FCEk7kIqCCmpkAJSCY1E2iYu4FA3sd20Xsd11nev115f1pvl4d/J7NVx3OzMnPX/SaPZPZ7sOZ3z7T//njlz6kun0+noBryTgHgKNtMoiueo8UFjNfQGoGMP+KLr6fTlJbebpSjb50QT1Iwm5E3XHuhvEKsVxWvEUzC8Arc2YCQBVUub8geVVvE... | 0 |
math | grade-3 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEICAYAAABlBYO3AAAfcklEQVR4nO3da5Mj1Z3n8X+mUlJJJZVUVao2M7jW2HQwxo1ncWBYYBs3d4xxj/uKw69i38BubMTu030dM4P7ilmmuQ0XGxtsIIZZaAazNWaYshdTUpVKJZWuqcx90NV5sqA7uy4pnczU9/MoM+JgzpSkiR/Kn/7HcF3XFQAAAAChMHVvAAAAAEgSAjYAAAAQIgI2AAAAECICNgAAABAiAjYAAAAQIgI2AAAAECICNgAAABAiS/cGJs3acy1pvNoSc8YQg7/+vri2iLP... | [
"no",
"yes"
] | null | 1 |
math | grade-5 | reflection-rotation-and-translation | false | true | How has this figure been transformed? It has been... | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAFhUlEQVR4nO3dz29UVRjG8adNpx2YUmaa0jaQYBrwx0YhBMKCEm4X/lgIiu5cdXRr2Lg2GTT+A8a1nZXERJPGoAlBIQS6QsNADNFoDJKI1CkwFYZ22uBxUcCQDnPvwMF777zfT0JKyOE5t+U86W2587Zr3759LggC+XDq1Ck550Teo+edPHnSS1bcgiBI9MfZWl5PEAQqlUpeAg8fPiznHHmPkdcpOFfJyuv2kgQg0Sg6YABFBwyg6IABFB0wgKIDBlB0wACKDhhA0QE... | [
"reflected",
"translated",
"rotated"
] | null | 0 |
math | grade-8 | identify-functions-graphs | false | true | Look at this graph: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAETCAYAAADH+ejgAAAXzUlEQVR4nO3da0xb990H8K/NxcYmCWlqoEsTY7VdEHgNKOH2YlHcZ9JGA5sSaWFS1xdBrdRN8KrTur0Yq5J1ClVbTQpdNE0L2VZVI1qnSCFLpU4h2vQITMvidSYyU/vYSaMFTNsYiMHm5ueFc45tfMEHG59z7O/nDcaYkz+3b/638/9pQqFQCEREEmjlbgARqQ+Dg4gkY3AQkWQMDiKSjMFBCQUCAQQCAbmbQQrF4KCEHA4HHA6H3M0ghWJwUEKjo6MYGxtL+vGBgQG... | [
"no",
"yes"
] | null | 0 |
math | algebra-1 | perimeter-and-area-changes-in-scale | false | true | Look at this circle: If the radius is doubled, then which of the following statements about its circumference will be true? | "iVBORw0KGgoAAAANSUhEUgAAACcAAAAUCAYAAAAOTSQ2AAAB50lEQVR4nO2WT2jSYRzGPz/9idnAhYwxQUgS8rAgcgSTDiLrYEvGRFgX2UHmoGN4WORpZxmx8/4RIos6NNphIKubh1GBiItZFy9jri67LFR4/XYoDGclOWke/MD39D7v8z7vc3lfTUoi9CiGiw7wN/rhOqWnw+kXHeAslWoFi9tCPBbvbnO1Wo1EMoHm1Mh9zJ3br6vNeYIe9j/td83PAOC578Ex7mB6fhpvyNskGLk9gubUmiYYDf7WrJApkHyS/ONhofkQtps2qtU... | [
"The ratio of the new circumference to the old circumference will be 3:1.",
"The ratio of the new circumference to the old circumference will be 2:1.",
"The ratio of the new circumference to the old circumference will be 1:2.",
"The ratio of the new circumference to the old circumference will be 4:1."
] | null | 1 |
math | kindergarten | represent-numbers-with-shapes-up-to-5 | true | false | Which group has 5 rectangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAE3ElEQVR4nO3dP24UdxiA4W/9h4IYRJUoHU2SmorrcAAOwSE4AJehoaEmpKCL02JjCWJrUqyQtnJhzDt48zzVrkYjfd+O9Gqn+m2WZVlOv8z8dTFzdjVzuQzArTjazDw4nPnt/swv92Y2p5+X5c3HtccC9t3ThzNH7y+2X369N/PHT9saAdyGs6uZd59m/v4y8+fFzMHHy+0FsQFu24PDbVtmZs6vZg6udi4A3Lavbfl3mTlYdxTg/0RwgIzgABnBATKCA2QEB8g... | 0 |
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. Many type... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAF7CAYAAAC5EbJKAAEAAElEQVR4nOz917MtS37fiX1+mVlmue3OPuae603f9g00PNkAAYIG4AzBGCqCw5AU0kTogQ8iFVLoXdIfwAjOaIKjRw1ngpQiZjQaUUNKYJAwJAGS3YRpNBrt+/Z15x6/3TLl0ughs2qtvc/eZ5/r+l5oOk/sU2utqlWrKivzlz/z/X1/8rf/9t8O/Kj9qP2o/aj9KWp/7+/9vY/kdw3A3//P/1MQARQIBBQejwYIFkLHP/5H/xX/+tf/MWOx6HbORAJH92+Tm4wWjQ8... | [
"the number of patients who got new infections",
"the type of bed rail"
] | null | 0 |
science | grade-3 | use-data-to-describe-world-climates | false | true | Which statement best describes the climate of Rio De Janeiro? Hint: Summers in the Southern Hemisphere occur in December, January, and February. Winters in the Southern Hemisphere occur in June, July, and August. Rio De Janeiro, Brazil, is a city in South America. It is located in the Southern Hemisphere. It has a trop... | "iVBORw0KGgoAAAANSUhEUgAAAtgAAALLCAYAAADDkfUwAAEAAElEQVR4nOzdeVyU573//9cs7PuOCKggAm4ILijuMRoTt7ikxiZtbHLyS9LmHNump03bnLbfnDbNaZucNkuXnKYxW2NiollQTOKGSxQ3EFFAQFY3ZN+Z7fr9gTMBQcU4MGP6eT4eLtyz3J+Z+2bmPddci0YppRBCCCGEEELYhdbRBQghhBBCCPF1IgH7KjIzM9FoNGg0GlJSUhxdjvgXtH79ejQaDRMmTLjp+woODradz9Y/Wq2W0NBQvv3tb1NZWWm7bllZme06DQ0... | [
"Both the temperature and the amount of precipitation are higher in summer than in winter.",
"Summers have lower temperatures than winters."
] | null | 0 |
math | grade-4 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADPCAYAAADPn6YPAAAbbklEQVR4nO3de3zb9X3v8fdPF0uyJdm5GJaOZeHS0C6jI5zl0PSRpS1sDV0e0EDpxcW5lIQkJIRbCKyjnLJDOR0N4R5IDIYkhKZQKFl5eMB2yNqUM2DZSro2HU2bcinUo46JLcm6WLfzh2P9pCS2JVnyT5fX8y/99JDgC7Eeeeujj98y0ul0WgAAAABKwmb1AQAAAIBaQsAGAAAASoiADQAAAJQQARsAAAAoIQI2AAAAUEIEbAAAAKCECNgAAABACRGwK9SP30ho6Za... | [
"yes",
"no"
] | null | 1 |
math | grade-6 | classify-rational-numbers-using-a-diagram | false | true | Use the diagram to help you answer the question below. Which of the following is a rational number but not an integer? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEuCAYAAAC08GWcAACGaUlEQVR4nO3dd3hUZfbA8e/0mfSeUAIkhE4oUhURkKaIBQELKLqsuhZc27qu69pWXX92se2quxYQBQEFFJWi0nvvNXRIbzOZXn5/3GQA6ZJMy/k8T56ZTCYz70wy95577nnPq/L5fD6EqEcKrF6OVnkotXupcvmwur3Y3D6sLh9Wt0+5Xv29/3rN7S7vaW7zYXYpH6NorQqjVoVRo8KoBZP/+vHL395mqr4t3qAmwaAi0aAm0agmwaAm0aBcxulVQX7XhBBCCHG+VBJ... | [
"16",
"–36",
"1 3/8",
"119"
] | null | 2 |
math | grade-4 | properties-of-three-dimensional-figures | true | false | Jeffrey made a 3-dimensional figure out of wood. The figure had 9 edges and 5 faces. Which figure could Jeffrey have made? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMwAAABSCAYAAAAYTjvBAAASYUlEQVR4nO3deVBUZ77G8W9rY5Ct0SsqCkI7aFJAlE7UEkIUHAxuCS7RVFwBI5lyRQbjMqNAFryTqwiaGeMKJjOMwZRgYmJw9NJKok6AkdTgNkrZhiuuEZBVtnP/6HCkFZRuusGY91NlFX36Pad/3dWP5z3veU8fRdbNOunET/UAKJAABYIgNJGQUIAE/r2UKE/+VN8sIiIsgmBIoU+FAr77qR5l0z7lOfsuvOxkRa9uIjSC0OR2rUT2rTrOlzciAV2a4iHCIgg... | 0 |
science | grade-6 | compare-thermal-energy-transfers | false | true | Max lit the charcoal in his grill to cook two identical salmon. He put one fish on the left half of the grill and one fish on the right half of the grill. This table shows how the temperature of each salmon changed over 6minutes. During this time, thermal energy was transferred from ____ to ____. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAABfCAYAAACdpLOcAAAj7ElEQVR4nO3deVhT194v8G8SSIAAIYytYC1imRzQ+tRKr1qLnt7q21stap1t9TiUYqttkdo6XMWp9iCn1uvxHse32L7V8lof31qrtbavxaKnvdKK00HQKAoORAhDgARC7h8cqDEMO5CQEL6f5+EPkr3X+q211y9Z2Vl7R/TPaQVGEBF1QT0+9EXR0hJ7h0HUpTGPiISJ+LynvUMQTGzvAIiIiIiIyHo4wSciIiIiciKc4BMRERERORFO8ImIiIiInAgn+EREREREToQ... | [
"each salmon . . . the surroundings",
"the surroundings . . . each salmon"
] | null | 1 |
engineer | grade-6 | identify-the-experimental-question | false | true | Identify the question that Khalil's experiment can best answer. The passage below describes an experiment. Read the passage and then follow the instructions below. Khalil put one two-inch steel nail into each of six test tubes. He added water to three of the test tubes and vinegar to the other three. In each test tube,... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAEICAYAAAA0p80lAAEAAElEQVR4nOz9V5BleX7fiX2Ot9ffvOmzsnx1VbU3M9MzGAuMAQbAwNOA2OVyuaIJhcTdkEKKfZBC2hcFtdx9UCiCoYBCa4JYkCA4BAliMAZje3raVndXV1eXy6qs9Hn9Pff48///9XAbFPWiR/Yqgv+nfEhz781zvudnvkb7+3//7yv+w/kP5z+c/3D+/+j8o3/0jz6Wv2sC/J3neghZ8s6NNxGqYDQacXh6woc7R5QKhjOYzODXf/kT/NavfQNP11BJjMgS9PkJYb7... | [
"Do steel nails take fewer days to rust in water compared to vinegar?",
"Do steel nails rust in fewer days when submerged in a large volume of liquid compared to a small volume?"
] | null | 0 |
math | grade-1 | subtraction-sentences-up-to-10-which-model-matches | true | false |
Which picture shows 5 − 4 = 1? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARIAAABKCAYAAAB3ndsNAAASqElEQVR4nO2deXRT153HP1eLZcmyvBsbMGDAxgmExSQsWaFJmpWUNEuTpqRuadMzpJNykukkZU5zuh6mp50O5KTTmdLMOCwzhUIKSUhIJwmELDYmGDAOi40zgI1tvFuybMmWdOePJ0uWVxl5IeV+zvGR3nLv+33fz+erd+979z4hpZS1nXC2HRxe8EgUCoViUAwCYvWQZYEJUSBq3VIW2cc7LIVC8UVlsQ0M5e3aQnoUzIrRXEahUCgGw+GFM06o6YSydtDZPdo... | 0 |
science | grade-3 | animal-adaptations-feet-and-limbs | true | true | Red-eyed tree frogs live in the rain forests of Central America. They spend most of their lives in trees. The feet of the tree frog are adapted to stick to the smooth surfaces of leaves. Which animal's feet are also adapted for sticking to smooth surfaces? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydd5wdVfn/3+ecmTu37L3bN9lN74EkECD0JlWaATSCgAVQUBELKIr6taKCoqAgIkWlK6IUqdJ7JyEhjSSk7mZ7u33aOb8/ZrNfggECBOXr777z2tcr9045z8ydM/PMcz7Pc4QxxgRBgNaaChUqVKhQoUKFChUq/N9ESollWQjf903Fua9QoUKFChUqVKhQ4f8+UkpkxbmvUKFChQoVKlSoUOG/A6018j9tRIUKFSpUqFChQoUKFbYdFQe/QoUKFSpUqFC... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9ebglV1X3/1l7qDrn3Lnv7e70lHTS6c48kjAFAwmIzJMBZBIBjYqICsLL+/78CYpKNAJqDMogMg/iy6CISkJAZghJyBySTjo9z3c8U1Xtvdfvj7p93wQS0iHN8Po7n+e5z3PvOXWqdp2qXbdWre/6LlFVDSGQUmLAgAEDBgwYMGDAgAH/d2KMwTmHiPy0hzJgwH9LzCBwHjBgwIABAwYMGDDg/35SSoQQftrDGDDgvy1mEDgPGDBgwIABAwYMGPD... | 0 |
math | pre-k | identify-shapes-traced-from-solids | false | true | Can you make a triangle by tracing this shape? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD7CAYAAABQdOO0AABAi0lEQVR4nO3deXiU9b338fcsyUz2hAQIkAAhgLKEpYCKKFpZKricVqxbW2s3rVqr1p72OVaLR489PadP+/Sc9mm1j1etesRaDxaR0lOrVAoKgiCShGhCFpKQfV8ms8/zRxZAERIyM/fM5PO6Li5kyNz3J1zm4pOb3+/7MwUCgQAiIiIiIhIUZqMDiIiIiIjEEhVsEREREZEgUsEWEREREQkiFWwRERERkSBSwRYRERERCSIVbBERERGRIFLBFhEREREJIhVsEREREZE... | [
"yes",
"no"
] | null | 0 |
math | grade-3 | identify-multiplication-expressions-for-arrays | false | true | Which expression describes this array? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACqCAYAAACXpjjmAAAaLElEQVR4nO3d/48k9X3n8VdV9fee/jIzPcvuQogMh2UvxjjsJgEZx5J1EmcbLHuBbKzgJFZyl0Qitu5yUv6Hu+hy50NIWFGkk+w7s7teIhAhsRA5RSCQvUAWAs4FB1kYPJudnp7p7z3TXVX3w3rRhvV+qapPfRs9H7/wy/Sn38XrB158+lNVlu/7vgAAAAAYYac9AAAAALCXULABAAAAgyjYAAAAgEEUbAAAAMCgQppf7o08zbuuJKnYcWQv7Z2+Pz/narHtqtB2VNz... | [
"4×2",
"3×2",
"3×4"
] | null | 2 |
math | grade-8 | front-side-and-top-view | true | true | If you look at this object from the top, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACxCAYAAAD+t8q+AAArpUlEQVR4nO3df3SUhZ3v8Tcaa+wNJtBTJbiXSQia7FJOElGLLZDJ7rYXt2Am9m4l2G4mtw1g7b3MBPQu3cpMdrF6rZCHHmz54ZbBrUA5e8rwY09RvM0DshaVkNGiTTDBJwgJpZo8Gi4TJZj7x2SmgAiBTDLJ8Hn9ZSDMfDn4x3ee88n3M6Knp6cHERERERGJi2sSPYCIiIiISDLRgi0iIiIiEkdasEVERERE4kgLtoiIiIhIHGnBln6zbZuKigpGjBhBdXU1tm0neiQ... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAygAAADwCAYAAADrcUAuAAAv50lEQVR4nO3dfXSU9b3v/U9K1OhJDNBdJdibyRAk2QdZSQxSbNGZ6dntwS2YxJ5TAW0znJYHq+dmBtRTuquZnG2rt09cuLDy4K6DW8C69ioDeFZRPOYC2ZYiIaNFSzDBKyiEUg1Tw2YiBHP/McwU5CmQyVyTyfu1VleaEGa+pP0jn/X7Xr9PlqRuAQAAAEiK7u5uHTgqNR+ROo5LXfy2fU7ZWVLeIOnaK6SrL5WyREABAAAAkubA593a9pndU/RP37hSyrZ7CAA... | 0 |
math | grade-1 | square-corners | true | false | Which shape has 1 square corner? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAD5UlEQVR4nO3bTW4dRRRA4fP8NwgJzEAsABgyzDLYA0tjOdlBCHOcqZ1YivFTM2iMjLH9frr6VtWtc6SWqlQq6Q4+1aw30zRNl7fwxw1cb+FuwmxxZxt4cwo/vILvLmBz+WWa3l3VHssy9/ZrOPtwM2++v4CfvpoVmi3tegvvP8Oft/D7DZxc3c0HIrOSvTmdTQF82sLJ9sGBWcnuTf01wUndUWyUhGYhCc1CEpqFJDQLSWgWktAsJKFZSEKzkM6OvvnbrwXHsOb... | 0 |
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