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-2 | predict-heat-flow | true | false | Two solid blocks are at different temperatures. The blocks are touching. Which picture shows how heat will move? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAV5UlEQVR4nO3dfXRU9Z3H8fedySQzeYAkBIhIAB8AQQRUxKeq1KW2VtFq60Pbtbun7Xbb7vHsOe2pdavdum7brdruOdtu29221m21Vq3VCipqsfgAUpGnIMjzs0KABEKSyTzP3T9+Mwl5AAZmcu+d5PM6J2cyv7kz80vuzOfe+72/34xl27bdFIetndCegqSNiEhBlFhQ5YeJ5TC6FKymmG0vb3O7WyIy2F08DEq2dJorp5XC5AqTRiIihdCegk1h2BeHzZ3ga0u... | 1 |
math | algebra-1 | perimeter-and-area-changes-in-scale | false | true | Look at this square: If the side lengths are tripled, then which of the following statements about its area will be true? | "iVBORw0KGgoAAAANSUhEUgAAABgAAAAOCAYAAAA1+Nx+AAABbUlEQVR4nN2UrYoCcRTFjyMyBtEZtMsURaPCmP0oWn0BmScQRMw2g1hsWnyDAcU4MCAYDSYnaNAwWAwG+ePX2SC4bFjXMJY97V6498c9B66PJPFBSZ9c/gRsNhtUKhWEw2EkEgkMh0PvCEIIJpNJttttHo9H2rZNVVU5mUzohTCbzRiJRHi73Z7NVqvFarX661A0GmWj0WAqlaKiKDQMg6ZpUtd1hkIhFotFHg4HkqR0Op3g9/shSd9xpNNprNfrl5e7rovpdIrFYoH... | [
"The new area will be 3 times the old area.",
"The new area will be 9 times the old area.",
"The new area will be\n1\n4\nof the old area.",
"The new area will be 4 times the old area."
] | null | 1 |
math | grade-8 | changes-in-mean-median-mode-and-range | false | true | Look at this set of 9 numbers: How would the mode change if the number 36 replaced one of the 46's in the set? | "iVBORw0KGgoAAAANSUhEUgAAAWMAAAAkCAYAAABc6FuBAAAHEUlEQVR4nO3dXUxb5xnA8f/xB8bYGCcESmKSkDpAAvliG92WLCndqk3qpm6KtjZKt11smpabacrtpElVNu1D3ZSrrdK2atIuKrR2U6tWTdema9MyFVqFUJqErxA+4gDhI4EAAdvYZxcOBguSHsrxOa/V53fHe154Hz/Py2Obc3zQdF3XAVgAfR5IAqkRIYQQ2aABDtDyAdfdIV3XdX0eiNoYmBBCfFZ5Uk3ZwQLSiIUQwi5RYAEcujRiIYSwlR4FBwm7wxBCiM+4BDj... | [
"decrease",
"increase",
"no change"
] | null | 0 |
science | grade-3 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAADxHElEQVR4nOz9d5glZ33n/b8r18mhT3efzmmSRhqNck4gogBhcjIY8GLvYvyz/fjxY2N7bQM2tuxdvF4DNmBsgw0IDCIYkEEoZ81II00OPZ3jybly1e+PVgSFmVEYSV2v6+pLo5nTVXd1VXd/zl3f+t5CEAQBgGmaLC8v02g0cF2XUOhkk2WZZDJJX18fuq4/r/sKr//Qi014/YfWsxfy+g+FXo6EIAgCwzA4evQoIyMj6LqOoigne1yhEI7jYJomMzMzbNy48Xn7IR9... | [
"hard",
"bouncy",
"colorful"
] | null | 2 |
math | grade-7 | classify-quadrilaterals | false | true | What name best describes this shape? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACyCAYAAAB4I7gQAAAaHklEQVR4nO3de3CUdZ7v8c/T16Q7CRQZyO5ssoMEZ5bLlGQUxEEPcEZXB+RwqQWOA+xwU3SmcEcrC7XD1CJV4impHGWgSkW5WYgWUMWlkCzW0TLZxSMXKXuqEHQkiJvMzgQGJiTpDn199o9nAgkjkEB3nu5+3q9/tGjQb4x/fPJ7Ps/va5imaQoAAABAWrjsHgAAAADIJwRsAAAAII0I2AAAAEAaEbABAACANCJgAwAAAGlEwAYAAADSiIANAAAApBEBGwAAAEgjj90... | [
"quadrilateral",
"trapezoid",
"square",
"parallelogram"
] | null | 3 |
math | grade-1 | compare-sides-and-corners | true | false | Which shape has fewer sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAH4ElEQVR4nO2dbW7bZhpFL0WJsim3TQIkkwBtghhJ01lBN9HNdDezpm5gmg+4SFognhaTBIlFW5Qozg9JhdxmnFgiRT333vPP8J/H4uGr81IindR1XZ+WwIsC+FABsxrGhKWfAF+kwOMc+EcGJKeTuv7pfddjGdM8338J9J8Xix/uZcCT0cJ+Y6LyoQKejoHXJfCsAHrvZ4tfWG7DwBfpwmUAOKuAXrX2C2MYWLk8rYFet6MY0y4W3FBjwQ01FtxQY8ENNRbcUGP... | 1 |
math | grade-5 | points-lines-line-segments-rays-and-angles | false | true | What is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACCCAYAAAB8Wb+9AAAQQElEQVR4nO3df2zUdZ7H8dd35tt2Smem7QyCHF2gYC7SRcWNhuqBKVZ6/qFnokZNzGIwPRKzazB3Yffci2uICTkjudisxETrNuKaA87df1D/cC1Uj6PTaIR4pnB7WsrddBeEmQ7Tlk47P773x3Ra+hOk037nx/ORDMN0aHlDp82rn7y+n49hWZYlAAAAAFnhsHsAAAAAoJAQsAEAAIAsImADAAAAWUTABgAAALLInPqG9YfOKzyclN/l0IOrXNq83KVH15XbMRsAAAC... | [
"a ray",
"a line segment",
"a line",
"an angle"
] | null | 3 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-two-digits | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAAEsCAYAAAA1u0HIAAA/DklEQVR4nO3dabAdd2Hn/W93n+3uuxZrl2UbKSyS/chIgfEMjs2wDIzBjssVhkHwwLygSCqM/YpUeKAqRd6YKgcSqMoEoQzjCRibEIqSjZfCLhNZXtBqy7aWK9nyXXWXs96zdvfz4lh3O1ufDd3l96lyWef0Of/ur1TV/3tPL8dwXddFREREljXzWm+AiIiI1E8TuoiIyAqgCV1ERGQF0IQuIiKyAmhCFxERWQF8zRjUnXw+/9/E82DHoW0H5oZ7Mfo+DL6OZqyyKdS... | [
"53 − 8 = 45",
"54 − 8 = 46",
"52 − 7 = 45",
"53 − 7 = 46"
] | null | 0 |
math | grade-3 | compare-fractions-in-recipes | false | true | Does this recipe call for more green peppers or artichokes? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAHMCAYAAADvfN8VAABvWklEQVR4nO3df3zN9f//8ds5+23GzI9h8iM/ihjlfBBifqX8KDE/EiWKePtVxtsXZflRKr/qvWSRtyj50dtbpZRS0sqvYRgRMozNbDYb9uvsnO8fs/M2+2HjHJu6Xy+XXd7vc17P83w+X2e6nPt57vF6vgxWq9XKNVarFYvFgtlstv0YjUZcXFxwdnbGyckJg8GAiNw9rFYrWVlZmM1mMjMzsVgsODs7236MRqP+uxYREbEjQ07AtlgsZGVlkZmZSWZmJi4uLnh4eOi... | [
"artichokes",
"green peppers"
] | null | 0 |
math | grade-1 | count-sides-and-corners | true | false | Which shape has 4 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAHW0lEQVR4nO2dz24TVxTGv7E9ibHjPxSrVcWGULUNXWRRgZJVg0TLIiyygDVPwBN0xapPwBN0RSUegUXXSCwqgQqNaRAShAaJVDY4OMSZLgxtVCjN3Dn33nPvfL8disZzmfvznDvfjOckWZZlT3eB/ggYToC9DIQUppYArSrweQP4ZAZIno6z7NbA97BIzCy1gdr6aPqPT2eAL5tTCwkpynAC3H8JbO4Cv42AymBv+gdKRiRpVadOAcCLCVCZHPgDIZK8dep1BlT... | 1 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-18 | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAABkCAYAAABwx8J9AAAaw0lEQVR4nO2deXAc152Yv54BBseAAAWQ4AESokiCkCXesijClGxrpVV0mZJI2rtrqmJ6nfI6m60clc2xOXaVSv7YVO3mr2ytnaQ2rNqlvOuIspbxMrESJ7ZCmSIJkeAhQQAoEABBEPc5A8zR0y9/NGYwg+kZzD2D5u+rYhHTx+v3oX+N35vXr19rSimFIAiCIAirGkexKyAIgiAIQvZIQhcEQRAEGyAJXRAEQRBsgCR0QRAEQbCg+/adYlchjmR1KitgPQRBEARhVXD... | [
"17 − 8 = 9",
"18 − 9 = 9",
"16 − 9 = 7",
"17 − 9 = 8"
] | null | 1 |
math | grade-2 | place-value-up-to-hundreds | false | true | What is the value of the underlined digit? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAiCAYAAABlRa5TAAAFY0lEQVR4nO3dTUhUaxzH8d85WVGYTUVEBcGUYongGBVZGJiL0MBsNYYJuZESoSIIJCgQkkJaRC4qWoRUIr1JkMaQYfayyLJ8oQZb9EJCyCCiQVnJuQtvz/Uw3Us4Jzpevp/V8zzn/ztnln8Oz5zHchzHEQAAAABP2H/6BwAAAAD/JzTYAAAAgIdosAEAAAAP0WADAAAAHqLBBgAAADxEgw0AAAB4iAYbAAAA8BANNgAAAOAhV4P97t07VVRUKBQKKTk5WatWrVJRUZH... | [
"9",
"90",
"900"
] | null | 1 |
math | grade-7 | interpret-circle-graphs | false | true | Mabel recently emptied her coin jar and counted the coins. Which list is arranged from the most common coin to the least common coin? | "iVBORw0KGgoAAAANSUhEUgAAAZYAAAFdCAYAAAAg10vhAABf4ElEQVR4nO3dd3zM9x/A8deN7EWWICESkdi7NdtSFFVKW7S6q4uW1PjpoEaXaimqLdVd3UNLl6JGVW1ixwhiJLJkz7v7/P44rkJCEpfcXfJ+Ph5aue/3Pt/3N4nv+z5bo5RSCCGEEFaitXUAQgghqhdJLEIIIaxKEosQQgirksQihBDCqiSxCJszGAzExsZeUxmnTp0iIyPDShEJIa6FJBZxzZYtW0avXr3w8/OjWbNmREdHk5WVVeb333///URFRfHee+9V6PqxsbE... | [
"copper coins, gold coins, silver coins",
"gold coins, copper coins, silver coins",
"gold coins, silver coins, copper coins",
"silver coins, gold coins, copper coins"
] | null | 1 |
technology | grade | icons | false | true | This is a(n old) logo of which famous app or program? | "iVBORw0KGgoAAAANSUhEUgAAATYAAAEsCAYAAABJ8Z9UAAAfAklEQVR4nO3de3RV1Z0H8O815+bmRXiJpBgISUBIkEAgICD4AKs4gqvWR9XaWlodW6ejbZfYqdrVjuOqtp2hUhkWfYzaLrAOijjFB1pFEQWBQCRgACXEREBiwBDI674888e+J+Rxk/s6e59zz/1+1mKtvM/hhvtl/+5+/Fy7dtaAiMhJNKtvIFF+v0833vZ2doiPeX2Ar92yeyJKGulZAAC3Jx0A4MnIFO+7012W3ZMJkirY/H6f3tT4GeoPHsDBfdX4/PAhHDl2FGd... | [
"Shazam",
"Microsoft Office OneDrive",
"Adobe Illustrator",
"OneDisk"
] | null | 2 |
math | algebra-1 | interpret-a-scatter-plot | false | true | Does this scatter plot show a positive trend, a negative trend, or no trend? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAiyUlEQVR4nO3dfXCU1cH+8SuAmECQNCm6kLSuk92CTCEbgzSImKV2KkGjAWq1UiVYEfEFRNpBO89Po4LFTltABJX6CL7QMi1SLB3AxymEUgdi2Wapb9gssmgWFhRYJBCMhP394Zia5sWQPXvfu5vvZ6Yz3PfJ5lw0zOzlydlzp0Wj0agAAAAAGNHD7gAAAABAKqFgAwAAAAZRsAEAAACDKNgAAACAQRRsAAAAwCAKNgAAAGAQBRsAAAAwyLKCferUKZ06dcqq6QAAAAB... | [
"negative trend",
"no trend",
"positive trend"
] | null | 1 |
math | algebra-1 | interpret-a-scatter-plot | false | true | Does this scatter plot show a positive trend, a negative trend, or no trend? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAk1klEQVR4nO3dfXCU1f338U8CYhI3kICx2V2xgQVDoQ6BXVqE/kLCr0qpBNDe1t62o9BCCZ3Wmna0tDOlqQ+d1GrBVjHYW0UbWtumtipjcbAYQIanLIZp1YTysIAbwkPNyoYkwMLef1C2hpBA5GSvzbXv11/sOWu+3wOO++F49lwp0Wg0KgAAAABGpFrdAAAAAGAnBGwAAADAIAI2AAAAYBABGwAAADCIgA0AAAAYRMAGAAAADCJgAwAAAAYlVMBub29Xe3u71W0AAAA... | [
"positive trend",
"negative trend",
"no trend"
] | null | 2 |
science | grade-4 | 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 | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOz9ebhsV1ngj3/WWnusuU6d+c5j5omEMAQDAUQZGpCOIiAqqNgi7SxN99M/QVGJoqDSqCitzILYDM6GEJAZQhIyTzd3PvM5Ndee11q/Pyq5nUAgNxCG9luf5znPc2rXrr3eXXu/q9a730lYa21RFBhjmDBhwoQJEyZMmDBhwv+bSClxHAchxHdblAkT/kMiJ4bzhAkTJkyYMGHChAn/72OMoSiK77YYEyb8h0VODOcJEyZMmDBhwoQJE/5jMFnbT5j... | 0 |
math | pre-k | different | true | false | Which is different? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAFiklEQVR4nO3cS2xUVRzH8e85987Yx7QVoS0NWDVq0UiMAZOKETeocaVLXRjxEdlpws4NMZqgrkzcqBhcoAmJG1YuJSYaF7BBk0bCIwgi6QMKYfqeufceFwMGRNspzsy5Z/7/z4qmZc4v850pw0w7xjnnJipweh5mUkgcqo3EBnoieLALBotgJpacO1r2PUu1wmgvxKfmax8MFWFTd+3WoNrHTAon5mC8AifnwZaT2ic0dnvqiWptAWZTsOkNn1Dt6XrbqgPrd4p... | 2 |
science | grade-4 | identify-magnets-that-attract-or-repel | false | true | Two magnets are placed as shown. Will these magnets attract or repel each other? | "iVBORw0KGgoAAAANSUhEUgAAAe0AAABBCAYAAAD8HfzaAAAG1ElEQVR4nO3df2zcdR3H8dfd9Xr9db277sd1k64rbM5ZZNGEdo79QJ3T0ayJogsOokwckYRExURZNCQu0y2GiGiIEP5gyAgZI6NBAkMTa4XgoMCcP9iPaN3aqFu3tnfrtb273ve+/tE5oolbYz/3/fZzfT7+6T/f9vNOPr08e3ef+zZQ+cgGN18sCOXh8Ds/0tLcIr/HgCFNOxeq5vqI32MAmCWCrly/Z4BBgUDA7xFgFI9PAO8J+j0AAACYHqINAIAliDYAAJYg2gA... | [
"attract",
"repel"
] | null | 1 |
math | grade-1 | find-the-next-shape-in-a-growing-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAaN0lEQVR4nO3d25McZ33G8ad7emZnz9I4Xh1Wlh0vUsqyY2GMLcAHbCoxFRKgilAVUgUXXIQquAhV5IYLqFSAi/wL4YaL+BaqSFEGXAlHq4wJBmQsi0hekHdXsg5oVlrtcfqUi/FIq9XuamanD2+//f1Uucq1O9P9/t63e/T0u+90O3EcxwIAAABgBTfvBgAAAABIDgEfAAAAsAgBHwAAALAIAR8AAACwCAEfAAAAsAgBHwAAALAIAR8AAACwCAEfAAAAsAgBHwAAALA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAfOUlEQVR4nO3d228c553m8aeqq5tk86j2mpJMWtaYIw58GGkcx5InljOSsatgPJMJ4Akws4BzkYsJMLlIgNkbXyRYbJKL/Aubm7kY3TpAFoESG7ueHOSx5Y1jS7GsWckcyxJJU5TV1Imkuo570aZEiQd1s+v49vcDGLBI9lvv732ruvvpervKiqIoEgAAAAAjWJaVdRdyyc66AwAAAACQNIIPAAAAAOMRfAAAAAAYj+ADAAAAwHgEHwAAAADGI/gAAAAAMB7BBwA... | 1 |
math | grade-1 | cubes-and-rectangular-prisms | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAR2ElEQVR4nO2dXXAb13XH/xffBECCHxJJiRY/LIm0JJuchmosO4n8kTZxM3E8ncaZjts4fXHtlzxUU+eh0xm1bmf6EE/Vl87EHT/ZbcYz1UuZ8UNUJ5aU1JI9omOSdmSKkilpSJpfIAmAAAksgNuHBXYXICFR1N3du9jz04wBLC7uHgN/3r3nnHvPMs45n88B1zNAqgDkOQhCOnwMaPQCh8NARwBg81nOP0rabRZB7JxHmwDfVEZ9sS8ADERUVROEbKQKwGQa+DI... | 0 |
math | grade-3 | correct-amount-of-change | false | true | You pay $3.16 to buy a slice of blueberry pie costing $2.43. You receive the following change:Is this the correct amount of change? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACSCAYAAAB/j70mAACqgklEQVR4nOzdd5yc9XXo/8/Tptfd2d53pVXvXSAkhBA2BuNugwsuyU0cO3bKTeLc5MaOc1NuEie/9JvrGzsusQ0G2xQDEkUIhFDvZSWttvfdmdnpzzz198dKY4jtWGABTvx9v168AGlm9jnP7B9nzpzvOZLrui6CIAiCIAiCIFwX8ht9AYIgCIIgCILwX4lIsAVBEARBEAThOhIJtiAIgiAIgiBcRyLBFgRBEARBEITrSH2jL0CYY+olCoUC5bJOqVDAMsoUU5MYtou... | [
"no",
"yes"
] | null | 1 |
math | grade-4 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACqCAYAAACXpjjmAAAXzklEQVR4nO3df1TVdZ7H8dflAiEiDpJIlC07IaCR5ewwy6E2ppVpG2Zbs6KxsBkxG0taw34I5o9K16M19nuaaXQc1HFbw3GVGyU/1A1XOYutuHpOtlaWP/hhKAmE/Lxw948WcpqmQC98vl/u8/GXR4/c1/Gvl+/zfn+uw+PxeAQAAADAK/xMBwAAAACGEgo2AAAA4EUUbAAAAMCLKNgAAACAF1GwAQAAAC+iYAMAAABeRMEGAAAAvIiCDQAAAHiRLQv2qlWrFBMTo8L... | [
"right",
"obtuse",
"acute"
] | null | 2 |
science | grade-3 | identify-rocks-using-properties | true | false | Select the one substance that is not a rock. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAADgzklEQVR4nOz9V5MkWZqeCT7nKFc1TtycBs9IVllV3VXVqJ5uoGfQQ0QgMyO70jLYld1/sTd7sX9n7mZvRiCYAdCLBgeaFKoqWWVmRGSEh3N346acnbMX6hEZmZWZzSob2dX+ipiomRpTUzuvfud85P3En621fj2AtsENbnCDvwLCGj6J4byAvgm/22v2yxti3eAGfz20DXg9aO5H9Wf75Q2xbnCDvz5e8KjUn+2T/2UO5QY3+PXHDblucINvCDfkusENviHckOs... | 2 |
science | grade-6 | identify-elementary-substances-and-compounds-using-models | true | true | Look at the models of molecules below. Select the elementary substance. | "iVBORw0KGgoAAAANSUhEUgAAAKIAAAAiCAYAAADcQgLDAAAJ+0lEQVR4nO2beVhU5R7HPzOOOsCwS8oiaMrFXEJBFBdQEUXIcAlQy6TcKHdRU69mZco1TQzDG8m1cskULRXNHZUg1BABEZdMZUeZYZlhCWkY+gMZJdm83fswf5zPX+d5z/v7fb+c8z0v74HniKp3rKhBQKCVEdWUK4UgCrQ64tY2ICAAQhAFdAQhiAI6gRBEAZ1ACKKATiAEUUAnEIIooBMIQRTQCYQgCugEQhAFdAIhiAI6gRBEAZ1ACKKATiAEUUAnEIIooBNog1i... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVEAAADMCAYAAADK+ZBrAAAuO0lEQVR4nO3deXxU9b3/8dc5s2SSTPawBAhBFkFQo4CAiGgRq+ACxb32Fiut1qVuF7X+tNW2atVWxSuttlx3ror11gWXVmvF61ZFZRMEQdkJIXsmk9nOOd/fH2fOyUzYGSAh/Twfj+PMnDlnzhlM3vme73Y0QCFEB1vYpBicC3mejj4TIXYsZMKqMFTFocgL4wrt9XqHnpUQSRKgorPL89g/pwAtZtt6CVHRKUiAikOB83OaSLl+lxAVQogMSIgKIUQGJESFECI... | 1 |
math | grade-4 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACmCAYAAADgZPidAAAhyklEQVR4nO3df1yV5cHH8c85QCL4BHmmPgWGzwlLrNBEzHQkguG0XLXYfLQsdWqTZVpprZT8ncvUlc7VslaUWiRzHdKi2eOmoqDiDzDDtJgoSoTKD0V+HM45zx/WWWzWFA7c/Pi+Xy//gOs+1/W9X/XH18vr3LfJ5XK5EBERERERjzAbHUBEREREpDVRwRYRERER8SAVbBERERERD1LBFhERERHxIBVsEREREREPUsEWEREREfEgFWwREREREQ9SwRYRERER8SAVbBE... | [
"obtuse",
"acute",
"right"
] | null | 1 |
math | grade-2 | ordinal-numbers-up-to-10th | false | true | The first picture is a bucket. Which picture is tenth? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAgFUlEQVR4nO3dfXBT15038O+9kgw4lnkzBWyXvBmwzTuktrZdAg3YJQm0u9jJLKTPBNMG0pknNjsbaJ8stHSTbSeE7mCnncQkjb3TDbRbO89uA4HHJlkSMhObgQ0hPHJ4SQJd2U5SygaZl8SS7t0/ZMmSrZcr6V5J997vZyYTY13pHJ85v5+Pzz33HEGWZRlERERERKQKMdMVICIiIiIyEg6wiYiIiIhUpNkA+3OPjNv/nxuL3hjA5x6uQiEiIiIic0hqgP1v/R789IM... | [
"crab",
"bucket",
"boat"
] | null | 2 |
math | grade-8 | apply-addition-subtraction-multiplication-and-division-rules | false | true | The number line shows an unknown number, d. Is 4d–1 positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGi0lEQVR4nO3dTWxT6RnF8WMbf2A7ZDLhQ+kIyCzaBUVCkGAShEas2pEQlZKBBaqGIlEhBaGyRF10F1GxyQokkFhRNYJNWLCZLp1Uqu3EMNakCepITQZoq8FACPH3dewuHFukE8dJx77XDv/fyr7x4ijXio7ePPd9bcVisSgAaCGjo6Oy2Ww6d+6c1VFgEu45gFayzeoAALBZz58/tzoCTMY9B9BKNlywDcNQNBpVOBzW7t27WUXYhEKyqIW/LCk1k1FqNivnTofc+13... | [
"negative",
"positive"
] | null | 0 |
math | grade-7 | identify-complementary-supplementary-vertical-and-adjacent-angles | false | true | Which angle is supplementary to \angle{3}? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEBCAYAAABCCtJ/AAAkhklEQVR4nO3dfVDU5f7/8ReECN5wo4ZgIpjmLTdmNqmVojmOpQVWZqS7QXmOM02nbOaczjidk9ic0znfmc4Zms5N07GCXdRRy6ApM083a5pR0w0KKqLFqpOig7FJBhIuvz/8scVZFhZZ9rPLPh8zTfnZa3ffjOfMvLx8v68rrK2trU1AH6ioqNC0adOMLgMAAMCvwo0uAP1TaWmpioqKjC4DAADA7wjY8Lnjx48rLy9PFRUVRpcCAADgd2G0iMDXbrnlFn388ceSJP7... | [
"\\angle{1}",
"\\angle{6}",
"\\angle{8}",
"\\angle{4}"
] | null | 3 |
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? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAdD0lEQVR4nO2deZxdVZXvv+uce2tOqkhCIIgkQWUwkoEaAhhSFRD9ICq2yJSAw0NUbKdWP4K+tp36+Z6+bm1bWhsbnIA8DPjQVrCRoarCoKmBhAiKA0rEF8hAhqq6t4Z7z17vj5t0Q8xQw97nnHtrfz+f/JNP1Vqrzr2/s6e11wKPx+PxeDwej8fj8Xg8Ho/H4/F4PB6Px+PxeDwej8fj8Xg8Ho/H4/F4PB6Px+PxeDyVjyQdQCWj9yyup6bqUlQuQzkVqLFkegThlyj... | [
"1\n7\n of a full turn",
"1\n8\n of a full turn",
"1\n9\n of a full turn",
"1\n10\n of a full turn"
] | null | 2 |
math | pre-k | ordinal-numbers-up-to-fifth | false | true | The first picture is a moon. Which picture is second? first | "iVBORw0KGgoAAAANSUhEUgAAAaUAAABdCAYAAAAFZHluAAAehElEQVR4nO2de1jTV5rHvwlJIAkxIFcBEayICha1VkXRUm2ljoNSR4XVdrTVbu10n1m87Mzszjwqnc5OO+Olu9updoq1tmtXpbWtWCtW0Var6HgBwQsqitxEEEmIISEhyf7xI5FAgFx+uRDez/P0qSbnd36H9st5z3nP+76HYzAYDCAIgiAID4Dr7gEQBEEQhBEySgRBEITH4DSjJNMaEFvQgvGFCsi05CEkCIIg+sYuo/T1PS1yrqt7NTYnHrSjslWPYrkOr1xotXu... | [
"moon",
"rocket",
"star"
] | null | 1 |
math | grade-4 | interpret-stem-and-leaf-plots | false | true | Aaron, who rents properties for a living, measures all the offices in a building he is renting. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD+CAYAAAAAuXIHAAA4XUlEQVR4nO3deViU9eL//+ewyyKgKCiLu5IpLpllqUdFcwGlUFI7cjRF7OuSmRtHrazMrTxaWqZmWmbqcYnSzHAJU49WVCanzL3MfUVxC4H3749+zEcClTrjTDqvx3VxXeN77vfcr3vGP15zX+/7HosxxiAiIiIiIjbh4ugAIiIiIiJ3EhVsEREREREbUsEWEREREbEha8HetWsXvXv3pnLlynh6ehIYGEjLli157733+P0y7ZycHHr06EFAQAB+fn588MEHALz88st... | [
"5",
"6",
"4",
"3"
] | null | 2 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAl/ElEQVR4nO3de3SlZX328eu5n52dzCSTOSSTwyQzg1IGUEDpjMhBYUQFquDrQBEqCL4VpG+prbZW3natruV6u7osFYtV2wJDLSCCggqCUkU5DKAcRzk51hEoMzlNziSTTHZ29nM/7x8JdwIyk2Sys+9n7/39/PX7SWY/17jCWtfKDr8dxHEcCwAAAEBeGN8BAAAAgFJCwQYAAADyiIINAAAA5BEFGwAAAMgjCjYAAACQRxRsAAAAII8o2AAAAEAezalgTzx1krJPbJT... | [
"2 pairs",
"1 pair",
"no pairs"
] | null | 0 |
math | grade-2 | fractions-of-a-group | false | true | What fraction of the shapes are triangles? | "iVBORw0KGgoAAAANSUhEUgAAAgYAAABKCAYAAADAOpyeAAAQmElEQVR4nO3dXWxTZ57H8V9iO3HsOLHztrMkaRxBYUkKq16QgFQWerGly1a9GKajlQaNRurSiyKq7UK7K3VGbS+3wHSkVbkYOnO9KuzNSluJ6cUwWiQI9GJmhMOUgYmZOGFwXuzYPn47x/ZeGJukefvb8fE5x/l9LgHbz/nqQfrL9uPTVCgUCiAiIiIC0Gz0AoiIiMg8OBgQERFRGQcDIiIiKrMbvYCSyblbAAAlGwMAuFs6AAAjvQcNW5MZsZMMO8mwk8x26qT8xxj... | [
"2/3",
"3/9",
"1/7",
"1/11"
] | null | 2 |
math | kindergarten | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABP3klEQVR4nO3deVjU57k//vewDagwg7KjzoBGBI2MS1wjS4wxiYlik7TN0oDnZOnpSVJsm/ac0wU8bU9/bXoqJjnntE3ylWxNmsaIMWbRGEfcgjE4aAQxAoOCiKDMgMIMw/L7A5mwzPLMxgzwfl0XV4aZ5/OZO8hc3PPM/blvSW9vby+IiIiIiMgt/LwdABERERHRWMIEm4iIiIjIjZhgExERERG5ERNsIiIiIiI3YoJNRERERORGAd4OgLzP1NkNk7ELncYudBq70Wn... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5AAAAEJCAYAAADiusiGAABalUlEQVR4nO3deVyTZ7o//k/YAiokKIuImoBWBVuIS7VqZalbW6vidJnpYsUztTNnjnZwuszvfGcRTztnfjPtjNj2nO9MbX9StdNOp1bU2latFXAr1mLACmIFgoqIYElAISEsvz+QlCXLk33h8369eBmS+3meqzGxuXLd93WLuru7u0FERERERA4hEoncHQKR0/i5OwAiIiIiIiLyDkwgiYiIiIiISBAmkERERERERCQIE0giIiIiIiIShAkkERERERERCRLg7gD... | 0 |
math | grade-1 | subtraction-sentences-up-to-10-which-model-matches | true | false |
Which picture shows 8 − 3 = 5? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAXYAAABKCAYAAACvkX8HAAAVrklEQVR4nO3daXRb553f8S92EABBggRXiRIpyiKpXbKsxVYmiRNv8dixm0wdW5mOZiZtk/ScSSedniZnzslM+iZuk0knb2q3kziamShpHcexYzuJlVjW1LaoxaZ2kxQl7jtBgNgucC/uBfoCJkiKpKiFFC34/3kjYbng89O5+vHBg4t7TZlMJjOswSUFogboGYQQQtxGrCYotMAdLqiwg2lYzWRORJZ7WEIIIRbDLi9YO5TsjSo7NLizrS+EEOL2ETWgPQ5DGlx... | 1 |
math | grade-5 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB0CAYAAAC/kkW5AAAYhUlEQVR4nO3deVjVdf738edhEzVPLCkCkVDG2C9sbiObSRstf5ZBpnWRlWDb0Zoa885b69bmRhuXERVNMa1ssWVk6qfpSC4zFtk4IYaIxy2XXHDFFVSU7XCW+w+TpMVQzuELh9fjurziHL7fz+d9uvjjdd7X5/P5mlwulwsREREREXELH6MLEBERERHxJgrYIiIiIiJupIAtIiIiIuJGCtgiIiIiIm6kgC0iIiIi4kYK2CIiIiIibqSALSIiIiLiRgrYIiIiIiJupIA... | [
"right",
"acute",
"obtuse"
] | null | 1 |
math | grade-2 | purchases-do-you-have-enough-money-up-to-5-dollars | false | true |
A hockey puck costs 1 dollar and 3 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEyCAYAAACPuaSsAAEAAElEQVR4nOy9e5wkVXn//14WsBpWOYUgXaKwh+ClBg10i8q0Ed32Fhujfme8JDOYyA6vqJlNjNnJL+oOJuKuJl9nYmKYxCiz4mXHC84gKq0k0CteerxAN9Fkyxuc1Xy12ng5ByN2cbN+f5yq6u7Zmd1ZQNmQ+rxeM9196tS5n6rPec7zPGdDHMcxOXLkyJEjR44cOXLkeFDgqAe6ADly5MiRI0eOHDly5Lj/kBP8HDly5MiRI0eOHDkeRLjfCb65K0Ze+zNKjf/G3JV... | [
"no",
"yes"
] | null | 1 |
math | grade-2 | names-and-values-of-all-coins | false | true | Which coin is this? | "iVBORw0KGgoAAAANSUhEUgAAANUAAADVCAYAAADAQLWDAACk8ElEQVR4nO29e1CVV5Y2/igWipBzBEQJEoRuEfEOmQJNQUuMduiKpiWtlVhqkkmqjPbEmprEX6dzmenq+ZL4ZcYkNWW+9lJlbmqZVEywI6km0RgMVBSrI15iCOL0OSIiioDnCKKWhN8f+13rXXu/+xxIOt25dFaVBXLOec972Wuv27OeNaivrw8/yrct3d/gQ4gf9M0d60f5OjLk2z6BfwzxKk3fxf0AgJqaOv5bW+A4yisPfaUjl5XmAwBSsiYBAIqK8voQPodBGQs... | [
"dime",
"half-dollar",
"dollar coin",
"penny"
] | null | 2 |
math | grade-4 | identify-parallelograms | false | true | Is this quadrilateral a parallelogram? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADpCAYAAAAeakAkAAAiUElEQVR4nO3daZCV153f8d957tq3N2iEEEICSSAWLawNSAIk2ZYs25Ijx3tGnhknFXvGNeN4Xjh2VRJ7MpOKquxSVYpMTWU0rqRiqzwVeVTxJtma2NJYAiS2Zm0BMpsAozY7vd/1OXnRzXNvs3Q39O177n3u9/PCdc4x3f27nqHqz8OP8xhrrRUAAACAsvBcBwAAAADChAEbAAAAKCMGbAAAAKCMGLABAACAMmLABgAAAMqIARsAAAAoIwZsAAAAoIwYsFG1Cud/rtz... | [
"yes",
"no"
] | null | 1 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-two-digits | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAAH0CAYAAADL1t+KAACeyUlEQVR4nOz9e5gU5Z3//z+r+twz3TPDDD0wwAwDMoCMCmrwAJqgwbgSF3XzXdZ8QkTc7DduQP3tmlzrHty9cuVyf242m2RNcmUxa2Ax+clKkq/Xd2WVKCoICopBPAEDMjBymAPDzPR0d/Whqn5/1Ez39EzP+dR0v1/X1ddOV9111/3gXnNXd991l2KapolEIpFIJJJLOupkN0AikUgkEsnoIwO6RCKRSCQ5EBnQJRKJRCLJgciALpFIJBJJDsQ+5jVGQxin3sUMX8S... | [
"92 − 6 = 86",
"93 − 5 = 88",
"92 − 5 = 87",
"92 − 4 = 88"
] | null | 2 |
math | grade-4 | interpret-stem-and-leaf-plots | false | true | Katy counted the number of silver beads on each bracelet at Morristown Jewelry, the store where she works. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAClCAYAAABm8IozAAAtcElEQVR4nO3de1jN2f4H8PeuXe1S2qlI96Qkya2ZcamjCCE5UZjBMEoMxiWTybjFMW4/MR0MD+NgxtCIhjM0xpiIDobDpFwmRrlEuRYRuq3fH572ma2LjV3fzLxfz7Ofp9Ze67s+3+/uj7ev9V1bJoQQICIiIiIirdCRugAiIiIioj8TBmwiIiIiIi1iwCYiIiIi0iIdALhy5QrCwsLg4OAAfX19GBoaws3NDdHR0Xjy5Imq88iRIyGTyTB58mQAwMaNGyGTydC2bVs... | [
"12",
"8",
"10",
"11"
] | null | 0 |
math | kindergarten | count-money-pennies-and-nickels | false | true | How much money is there? | "iVBORw0KGgoAAAANSUhEUgAAAMcAAABECAYAAAA1ISGwAABObUlEQVR4nO29d3gc53nu/Zud7RULLBa7ANE7wd67OiWqd8l2JMdFbvGxHcsnTqzEcUnsczmO5ShObMstlm3JkiLJalQhqQJSYifYQKKQ6G2xABbby+zMfH8sZ0LGlExKlJ1zPt3XxQuFAGbmnffp9/O8gqqqKu/jfbyP34PhT30D7+N9/E/F+8LxPt7HW+B94Xgf7+Mt8L5wvI/38RYw/qlv4P8vUBQFWZaRZZlsNsvs7CyKopBKpUgmk8TjcWw2Gz6fD7fbjSiKWCw... | [
"11¢",
"13¢",
"9¢"
] | null | 0 |
science | grade-7 | compare-concentrations-of-solutions | false | true | The diagram below is a model of two solutions. Each blue ball represents one particle of solute. Which solution has a higher concentration of blue particles? | "iVBORw0KGgoAAAANSUhEUgAAAbAAAAEVCAYAAACBn7B3AABwxUlEQVR4nO2deYAcZZ3+n7eqz7lnMjkhxxBykJOA3IeCAuEGUVD8oUERxWMXEVlWXBVYUBY5hF1QREV2UZdDYIXIKQqKckOABIgk5L4z9/RZ9f7+qHqvqurJzGRmMtP9/Wjoqerq7urq96nvWW8xzjkHQRAEQYwyrD29AwRBEAQxEMiAEQRBEKMSMmAEQRDEqIQMGEEQBDEqIQNGEARBjErIgBEEQRCjEjJgBEEQxKiEDBhBEAQxKiEDRhAEQYxKyIARBEEQoxIyYAR... | [
"neither; their concentrations are the same",
"Solution A",
"Solution B"
] | null | 2 |
math | grade-5 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACbCAYAAABYgOzuAAAdBElEQVR4nO3de3zcdb3n8ffvNzO/mVyaSdLck6ZNk95QzsGFVbzyWHAFFQsWuewqHhWPiCgqnId71vN47F979LFnT+EoFPFSdMULFSmI0LUuoCAc8Bx4WEWkbZKmSXO/XyaTuf/2j0lnGmjTTjvJby6v51/5/phf+inJwDu/fL+fj2Hbti0AAAAAWWE6XQAAAABQSAjYAAAAQBYRsAEAAIAsImADAAAAWUTABgAAALKIgA0AAABkEQEbAAAAyCK30wXg7P34+xOKRW1... | [
"no pairs",
"1 pair",
"2 pairs"
] | null | 1 |
math | grade-1 | which-table-is-correct | true | true | Deb saw the following animals at the beach:She wanted to know how many of each animal there were, so she made a table of the animals. Which is her table? | "iVBORw0KGgoAAAANSUhEUgAAAS0AAADJCAYAAAB2QWTOAAAkd0lEQVR4nO3daZBcV3nG8f/d+t7eZnqmZ2+NdtmSQyRLlhTbwkthFyZgAzaLCxySOElRUEnZcQKJQ0EgUKECSXBMAnZYHKgUwQ4JoVKExSzGgG3ZkmVLaCRb0mg0m2ZrTe/L7bt0PrQkbLAlSzPyzJ1+f5+kqp7W6Vb3M+ee8973KB/72MfqCCFEQOgAH/3oRxd6HEII8YqoCz0AIYQ4FxJaQohAkdASQgSKhJYQIlAktIQQgSKhJYQIFAktIUSgSGgJIQJFQksIESg... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAmQAAADJCAYAAACNDC6lAABQqElEQVR4nO3deXiU9b3//+e9zT7JJCEbIeyrrWwCIqh4BHHfW9fabz3tqT3ntFo9tdW24lK7aBdrPVZr1a5aLXrU/twXUBFEBAQkgEAIZCHbkGT27b7v+f0xJJUCsgQYQt6P6/ICJ/fc874nYfK6P6tyxx13ZBFCiD7ijjvuyHcJQghxyOkAt99+e77rEEKI/SKBTAhxLFLzXYAQQgghRH8ngUwIIYQQIs8kkAkhhBBC5JkEMiGEEEKIPJNAJoQQQgiRZxLIhBB... | 0 |
math | pre-k | count-sides-and-corners | true | false | Which shape has 4 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAF3ElEQVR4nO3dz2scZRzH8c/mp01avVX8A6J4UfBgsZT25k1PnkQQEQr+LaUUeqggFVHEg3hRT00opaFUU1BSDw11bQltIYkNpW5md7u7M/N42I40Gtvs7ux3nmfm/bqlmzST5L07893ZebbmnHObXemPlrSTSLETMLKpmnRoUlqYk16ckWqbHeeuNYreLJTZkeelqXqr/8FLM9Ir8/0KgVHtJNLNprTRlX5vSRONuH8DkSFPhyb7TUlSlEgTyRM3AHnKmuo5aaL... | 1 |
math | grade-8 | model-and-solve-equations-using-algebra-tiles | true | false | Which set of algebra tiles represents the equation 2x+8=22? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAYIAAAB6CAYAAACyTFRJAAAJ6UlEQVR4nO3dX2yV5QHH8d95T0vV03+u9QBSwtAw16KLsEETF9GYkexPzLIcdmFi3I1ZuCG7qRduGAJLRsKVN1yYOO8Wg7Eh0bhlI00GLCMVw9CFMlZgPVFoe3oGy4FTKPC+7y6OGq0l9rzn/fs8388NWtt+D+957C+Hc0pzvu/7M7ek8/PSNVe64wsAYLC2nNSVlzbcJ61cIeVmFnz//VrSNwsAkIThbqltcr7xL6tXSI8UGisBADDXNVc6V5emb0n/npec2p3... | 1 |
math | grade-2 | choose-the-appropriate-measuring-tool | true | false |
Which tool would you use to find out how much a container of flour weighs? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAACoCAYAAAACcRc/AAAh/ElEQVR4nO2deZgU1b33P1W9zNbTPTP0TM/OsA0ICIIYFRANURDRGFG8cQleFxKvQRPNIy6PeS+JiZq4XQVJcHsVswjm1YgLuOWKgMqmYhCYAcaBYfa9Z+u1zvtH9VR3z4IC3T3dWJ/nmamuU8s5Vf3t39l/RxJCiDoPHOiGDj/4BDo6x4xRgnQDjEkFhxmkOrcQ25xDnSydk4kzrWDc363u5JlhbJqqOh2dY6XDD2VdUOuB8m6QnT71gC4qnRMh3aBqCKDTD7I... | 0 |
math | grade-4 | compare-fractions-with-like-numerators-or-denominators-using-models | false | true | Which fraction is greater? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC5CAYAAAAS5EjTAAA0/UlEQVR4nO3dfXBb5Z0v8K/jZNfmJZJgOjhespLtMLQJIDmBNqQOkrYNBDY0Mtw4YbZguXHAM/tHZNIUp3f3Wu7srSFkY5mZ2y3BEBk6UxKXWmkysw0EfGKLhLm3vlYI3nK3cXzclBi2e/Exl0WhiNX9QzknsuPEejlvsr+fGYbEks7zOP4xfPOc33meomQymQQREREREaligdETICIiIiKaSxiwiYiIiIhUxIBNRERERKQiBmwiIiIiIhUxYF80OTmJoqKiy/75+7/... | [
"5/8",
"5/12"
] | null | 0 |
math | pre-k | count-sides-and-corners | true | false | Which shape has 3 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAD+klEQVR4nO3by07bQBiG4c8JsKDQ7lp10WXbS+C+uEkk7oDSfemyCUSCErkLl5ZDEnyY4/+/7yqWFWUWj+zYM9O0bdte3UnfV9JyLd23IprcXiMdz6XPh9KHA6m5um3b80XuYZHlTt5Ke5er7uDjgfT1TaeQaGrLtXRxI/24k76tpNnivjsBMgrZ8bwzJUnXa2m2fnSCKGQPpn630izvUMhLQKMkAY2SBDRKEtAoSUCjJAGNkjQY2tnZrxjjIOONgLYAGw1u1K0... | 0 |
math | grade-1 | name-the-two-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADXCAYAAAAgGib5AAAQ1ElEQVR4nO3dP1NjV57H4d9sTbS1L2azfZ3dRTUJk3SPk6bGEVV2Aom9AXhiSCGypGaEUINUSPecs4F6p+yZdvNP0rn36nkyt0H3C7qq+hg3R38qpZQAAADW4j9qDwAAgD4R2AAAsEYCGwAA1khgAwDAGglsAABYI4ENAABrJLABAGCNBDYAAKyRwAYAgDUS2DsiDd7UngAAsBME9g7I0+NI479Fnh7XngIA0HsCu+dKmkUz2I+IiGawHyXNKi8CAOg3gd1z+fp9RDN... | [
"triangle",
"rectangle",
"hexagon"
] | null | 0 |
math | grade-5 | nets-of-three-dimensional-figures | true | true | Which figure will this net make? | "iVBORw0KGgoAAAANSUhEUgAAALwAAADNCAYAAAACNxrPAAARw0lEQVR4nO3df1TUdb7H8eegKIklF43c0hOwoWyoqNWynNM5kJ3jwuYeLH/dChEsBHJ3Abc0vBaCLEmSSlsLk21o6XpT2+RkC3lOiud4D2eu5nVE2UF2kY7Yj9kkiDRQnLl/zDLFD+PXDGO9348/p+985y3z6j2fz+f7y2C32+0oJYSXpwtQajiN9HQBnmAwGDxdwg1B4o+7uA6vYf+WxL+FyA4P8L+Lqz1dgkf9fM90T5fgEeI6vJJNA69E0cArUTTwShQNvBJFA69... | null | [
"iVBORw0KGgoAAAANSUhEUgAAATgAAADNCAYAAAAsV2x0AAAnu0lEQVR4nO3de1zUdbrA8c+IaCkIW0nrLRk3hBMVF02z9hzA3VxMC1xv2XoBExVPe4BMS1flIlneAqoVCDcwLSvbhMowW2XcUxGiOIi6KB0dQywxbRBpvXA5f4wzcVUuc3Pmeb9evczpx28enHz4fr/P9/n+FA0NDQ0IYScUCoWlQxBm1M3SAQghhKl0t3QAliA/xXVk8C5snd2N4CS5/UL+LISts8sRHMC+KSWWDsGiRnzwgKVDEMLk7G4EJ4SwH5LghBA2SxK... | 0 |
math | grade-3 | match-mixed-numbers-to-models | false | true | Which mixed number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAADG0lEQVR4nO3aIW4bURSG0TuRN5F6E5GKAmpkVNgthFkq9xIGFwzzDkrLBoVUZe0ionYXU1A3slTFM+CPXhqfw0bvgStd8ulpummapgIAACJWVVUfvnysb79+tJ7lot1e39Tn95+ePLej9uZ2BABQVXVVVcLtBfj68/vZcztqb25HAABVxxfsv/bbXas5Llo/DovvPtzdP+MkPGV92LQeAQD4T1y1HgAAAF4TgQ0AAEECGwAAggQ2AAAECWwAAAgS2AAAECSwAQAgSGA... | [
"1 1/3",
"1 2/3",
"2 1/4",
"3 1/2"
] | null | 0 |
math | precalculus | determine-one-sided-continuity-using-graphs | false | true | Is f(x) continuous from the left at x=8? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACAj0lEQVR4nO3deXxU5b0/8M+Zc2bJnpBAAoEEkEWDAQmLEkCwWrWiVnDBelurtYttrV1ue7ve9tdqvd722t7a2vZ627p0ua1W3MCAKAg0EQIBAgkIIUAgQJbJOpOZOfvvj5CUCEgC5+Fkks/79fLVzsmcz3w5Z+bMd5555hzJtm0bRERERETkCI/bBRARERERDSVssImIiIiIHMQGm4iIiIjIQWywiaiPdevWYfz48ViyZAkA4JZbbsHLL798xvvquo6rrroKmzdvvpg... | [
"no",
"yes"
] | null | 1 |
math | kindergarten | more-or-less-likely | false | true | On which color is the spinner less likely to land? | "iVBORw0KGgoAAAANSUhEUgAAAbEAAABkCAYAAAAIVA6ZAAAQkklEQVR4nO3da3RTZaIG4LcXem+zU1qlMq2lMCD0Btkp4mUUi4vRowLqUtpa1OLMmnWO57JmDXY4czyyxj8y4DnOz8FLi0DTgtyPsjzIRZyzLGoSoLQo0HJrUUpTshOSpjeS80PLKjZt0zZ77+zwPn+wSbO/t/551/ftL9+O8Pl8PhAREWlQpNoBiIiIxoslRkREmsUSIyIizYpWO8B4uN1dkBwSJLsEuyTBIUkAAJ0gQC8IEPQCBJ2AxMQEdYMSEZGsIkJ5Y0dHRwf... | [
"white",
"yellow"
] | null | 1 |
math | grade-4 | elapsed-time | true | true | Look at this clock:What time will it be in nine hours and sixteen minutes? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADICAYAAADSmpa3AABQy0lEQVR4nO39e3yTdZr4/7+SpkmaQ1sobVoOLUhbHEUKjCBqwcOoiIInQFFnR1Zw5rcDKs7srjqDn535iCPuzoiozGd/K7g4Dgpaj6DgiKhQFUQpJxVoESiHJi2FprnTJmmbfP+4adqQ9HxID9fz8eDR5H2froT8ceWd677emkAgEEB0jdoy8BaCtwh8p8DvhDoF/ErD38aP6ypAo4OYBNBaIMai/q1/rDFDjBViBoB+MBguAP1I0A2K9isVQgghhBDnaCTB7qha8P6... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA7gAAADgCAYAAAApDMpcAABqL0lEQVR4nO3deXxU9b3/8ddMkskyM0kgJJOwJCBJsIpsFVdAbUVExQ1Q1LbSqu2tomJ7b6ut/tpeseptq6LFe3sFL9aqqFgXXLDiBlhBLZu4QIJAWLJAIMnMZJkkM78/TjLJZCb7JJPl/Xw8eMzM95w55zPjfOPne853MQE+REREREQkLHw+H0UeyK8EZz3UKdsW6THRJrBHQU4COCxgQg1cEREREZGwKarx8UlFpKMQGXxOT4ToSAchIiIiIjKQ5FUajxkWGGc... | 1 |
math | grade-1 | select-two-dimensional-shapes | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACQCAYAAADwZHJxAAACaklEQVR4nO3UPW5VVxiG0e9e/0QiEDpHkWiBITATD5KhMANCSiRMSttYsvHVSXGElM4F1nMiZ61qb+3mLR7t3bIsy8XdzF83M1eHmftl4Kcd72ZeHM28fjbz++nM7uJ2WT5cbj2Lp+zdbzPHn27Wyx+nM29/XSuEn3V1mPn4bebL3cyfNzP7y/v1QWQ8phdHa1MzM9eHmf3hXw/wmH409X2Z2W87hf8LoZEQGgmhkRAaCaGREBqJ460HPOT9+7/n8+fbrWf8Z71... | 1 |
math | pre-k | fewer-more-and-same | false | true | Are there more sleeping bags than pillows? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAABGsklEQVR4nO3dd5gceULm+W9Eep9ZJssb2ZLrltRO7Xt6XA+MZdhhHXa4gwNmuQc4YO84WPbgYHdvWQMsyy77LMuwDOzsDDCWsd3Tmp7paSfTrZZ35X1lZqU3kXF/ZFVJJVWpqqSUulL9fp5nRlJVZkRkvk9Gvxnxi18Ytm3biIiIiIhIXZhv9QaIiIiIiNxNVLBFREREROpIBVtEREREpI5UsEVERERE6kgFW0RERESkjlSwRURERETqSAVbRERERKSOVLBFREREROp... | [
"no",
"yes"
] | null | 0 |
math | kindergarten | count-scattered-shapes-up-to-10 | false | true | How many stars are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAFzCAYAAABLvX1lAABOjUlEQVR4nO3deUBU59k28GsYdkEQESEqilJJJGqUumBwI67EaGwEI8bEmMQ0S9PYvvqa3dq8Malt0zZp+mlNY6LRKLjELa4oCgbX4BoFBhBEHRdQIYADM/P9oaQuMMxyzpzt+v1VZs48c9e43PPMde5HZ7VarSAiIiIiIlXwkLoAIiIiIiISDht8IiIiIiIVYYNPRERERKQibPCJiIiIiFSEDT4RERERkYqwwSciIiIiUhE2+EREREREKsIGn4iIiIhIRdjgExERERG... | [
"8",
"7",
"2",
"6"
] | null | 0 |
math | grade-7 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines perpendicular? | "iVBORw0KGgoAAAANSUhEUgAAAHYAAABKCAYAAABuH6DHAAAJkElEQVR4nO2dfVAU9xnHPyCCR3IgEAgvCaBTQ18I40xTnDRGrU5qBRXiW0qMScAW32I0oWkgUalRkTRSNaZ5oTWOUaSRYKooGTuVIMYxkk6DRCZlzCiHvTs8y93hAae83PYPYPWQ6IF37N65n78W7m73Wb73e55nf/vdH16CIAgoeBzeUgeg4BoUYT0UWQhrbjOzu6KIBoNG6lA8Bi+51Nipa5KpqjvJ/aPDWPKrDGYnJjF+TILUYbktshG25kItj7w8ye53MWHRpEx... | [
"no",
"yes"
] | null | 0 |
math | algebra-1 | surface-area-and-volume-changes-in-scale | false | true | Look at this cone: If the radius and slant height are halved, then which of the following statements about its surface area will be true? | "iVBORw0KGgoAAAANSUhEUgAAAKoAAABtCAYAAAAxm/qOAAA/hklEQVR4nO2dd5wdVd3/3+fMzL27m7KbZnohBEJoCZEeQgIIhiBFBBRQiWLh4UdVeHxEqqAPKAp2RB4MqCAIEoIGlRIIvW9iAoH0Jgkhkp7dvXfO+f1xypy5e1OAbBKE7+u1e++dOXOmfeb7/XzLOSO01pqP5CPZwUVu7wP4SD6SLZGPgLoJmXP73Vx1wTcY/LEeHL/Xx7f34XyoRXxk+qvL36++js9d/31Wrl4NQCIjRu60C4/Mfm07H9mHUz4CahX52Zlnc96tvwJ... | [
"The new surface area will be\n1\n4\nof the old surface area.",
"The new surface area will be\n1\n2\nof the old surface area.",
"The new surface area will be 4 times the old surface area.",
"The new surface area will be 16 times the old surface area."
] | null | 0 |
technology | grade | logo | false | true | This is (part of) a (former) logo of which computer related brand? | "iVBORw0KGgoAAAANSUhEUgAAAVwAAAEsCAYAAACPNAvtAAAmjklEQVR4nO3dZ3xU1fr28WvNJISE3vkjhKqACJIT6aAURaSJKEWkiSBSAqRPeu+FUAQLoiIiIoKCBfAIAoIUEUQBkRbpvYcQkpn1vMDjczw2yp5ZM2uu7zt9Ee7Pzp5fkpm91hLbtu4GERHZn0n1AERE7oLBJSJyEAaXiMhBGFwiIgdhcImIHITBJSJyEAaXiMhBGFwiIgdhcImIHITBJSJyEAaXiMhBGFwiIgdhcImIHITBJSJyEAaXiMhBGFwiIgdhcImIHITBJSJ... | [
"Amiga Inc.",
"Maxtor",
"Linksys",
"Diamond Multimedia"
] | null | 2 |
math | grade-4 | elapsed-time | true | true | Look at this clock:What time will it be in 3 hours and 30 minutes? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADICAYAAADSmpa3AABF7UlEQVR4nO3deXSUdZo3/G/dd+1r1kpQiiULNiYkURa7E7RFW8BtXgy2jE6D9jwz3eDyvtMK6jPzdKttT59W0e7zjAqO79MK+GqjIk6LCrjgFpwWkASIG5UIBKWqspDUvtf7R5GCUEu2WpLw/Zzjseq+f3XfVyrFOVf9cv2unyQSiUQwQidbXehpdsDZ4YX7hB8eiw/u7/0jvRzRqEjVAlSTFFCXyKGapIC+XIXieXqoSuS5Do2IiIjOIZLhJtjH3+7G97tOorvZgZA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA7gAAADgCAYAAAApDMpcAABbuklEQVR4nO3deXxTdb4//lf2Pd3TIlSgLTBYaFHApQUUlcWF+SGojHMH1DuLLHrvqKCOy7jO3FFAvXcUUMdR0a+KijCCsqkoUBxZhAJVgbYsZUnThbZZmj2/P0IDpUmXNMtJ+3o+Hj5ITk7OeTfNp74+53zO54gA+EBERERERBHh8/lgdALlNsDsAdxM20RRIxUBOgkwSA1kygER2MElIiIiIooYo8OHHU3xroKo97lCD0jjXQQRERERUU9y2Ob/t48cGKLxn10... | 1 |
science | grade-3 | identify-vertebrates-and-invertebrates | true | false | Select the invertebrate. Hint: Insects, spiders, and worms are invertebrates. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9V7C12X3eB/5WePPOJ58vh84BDaARSAIEkwlRlDgSZUsaSeURJY1H5VG5aoJdurDscpDGnqCxVZqy7JKsaNGSKDGCokgQFAAiN9CNzt1f/k4OO+83rzAXBzO+GKqKmr6xq7iuTu3a5+Z9n7X2///8n+dZ4ltz75/KoKv4vfV763+Wa2nhvRyOGhhq+NTg4nP5e8D9vfU/99VV8FR28ffK/k+fy98D7u+t/yWs/w9OW/8/faZ/py/+J//yB7CupKk... | 0 |
science | grade-2 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Mammals have hair or fur and feed their young milk. A gorilla is an example of a mammal. Select the mammal below. | "iVBORw0KGgoAAAANSUhEUgAAAtMAAADMCAYAAACx6y9WAAEAAElEQVR4nOz9ebwlVX31j7/33jWc4c5DjzRj04wNMgUFQYkDgzgggyIIEQd+OEMSQROjxOfRRIizJqAgCCQqj/ErGg0gMYigMoqgMk/dTc+373CmqtrD749dp+69NEPTXG1Nar1e59V9z6lTtU/Vvueu/an1WUs455zWGmstJUqUKFGiRIkSJUqUeG5IKQmCAJFlmSuJdIkSJUqUKFGiRIkSzw9SSmRJpEuUKFGiRIkSJUqUeP6w1iK39SBKlChRokSJEiVKlPhTRUm... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA4IAAADMCAYAAAAmsx3gAAEAAElEQVR4nOz9d7gkZZn/j7+eip27T85nck4wMAwwpAGJkkEFQRB11zWL6yquaVn3o7uKiqvsLgYWFBTFRJIcBpgBJg+T05k558zJsXN3pef7R/XpmSEO7Kz621+/rutcZ6a7uuqpqqfr1Lvu+37fQkopHcfB8zwqVKhQoUKFChUqVKjw1iiKgqZprE3BrDBE1b/0iCpUeH3SLuzMQp8FVRqckvBfVyoisEKFChUqVKhQoUKFt4fneTiOUxGBFf7qiar+wwqAjHv... | 1 |
science | grade-3 | identify-rocks-using-properties | true | false | Select the one substance that is not a rock. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAACXVklEQVR4nOz92ZNl6ZXlh/3OPNx5vj6HxxyZkRMyC0BNjapqsqs5PkgyNvWgP6HNKNI0mLWZXsUHydQPohklo5FGUiZKapHN7laxhxpQQFWhgExkJjIz5snDZ/c7j2ce9PCdeyIyC6hCARkooOHbzO16XPfw8Bv37PPtvfZaa0sfTNP0RgFKChdxERfxE8Q8hodLOA2gpsJvVMXz8kViXcRF/HRRUuBGQXy+iF88L18k1kVcxE8fqzwK0xfPyX8zv8pFXMS//nG... | 2 |
math | grade-6 | which-model-represents-the-ratio | true | false | Which model represents the ratio of 5 circles to 5 squares? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAlUAAABRCAYAAAD7CFONAAAKd0lEQVR4nO3d248b5RnH8d94PD6vnd0NLISGANqkEVSqhIjSggBxUakXTaVKva16yV/XVgKEKqGKFihtOVVQiTbJFgipciDZg+312TPTC3chJWGznnnn9Or7uUmi2DPPo5/0zjPj8dgJwzC8MZW2hlLfl+ahAAAAcB9lR1pxpdMNaaMiOTcmYfheL+uyAAAAiut8WypfHi7+8XBF+n5zMXEBAADgcH1fujiQrk+lS0Op1Jsv/oOBCgAA4OhW3MX8JEn7vlTy7/g... | 1 |
math | kindergarten | triangles | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACTCAYAAAB28ADfAAACd0lEQVR4nO3UPW5VVxiG0e9e/xT8pQPRpAtRRoDEQJgNVWbDQFIwAQSkShOntcESxleH4giJyg3WcyKzVrW3dvMWj/ZuWZbl7Grm78uZi8PM9TLww453Mw+PZn67N/PkdGZ39nlZ3pxvPYu77PmjmeMPl+vl6enM7/fXCuFHXRxm3n2a+fdq5v3lzP78en0QGbfp4dHa1MzMx8PM/vDdA9ymb019WWb2207hZyE0EkIjITQSQiMhNBJCIyE0EsdbD7jJy7/+nLf... | 2 |
math | algebra-2 | find-solutions-using-a-table | false | true | Look at the table of values for the functions $f(x)=2 x+7$ and $g(x)=(x+1)^{2}-3$ Based on the values in the table, where does the equation $f(x)=g(x)$ have a solution? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAC9CAYAAADGKAkVAAAchklEQVR4nO3de1hVdaL/8Q8XAQ28hCYokihHUNPSTCW8pKY5mpOX8QKmWYZ57TRDOWGZHif1IPzKMJFjymRqY5JlanTAn00qFWKTSua1xFveFQJUBDb7/KEwEgrbAhZ79X49D8/j/q611/rs5T+fvfZ3reVgtVqtMpDD292M3L3NNvZ4XYO2vWp0jArZS85bsU5NMToCAACA3XM0OgAAAACAykPBBwAAAEyEgg8AAACYCAUfAAAAMBEKPgAAAGAiFHwAAADARCj4AAA... | [
"between x=-2 and x=-1",
"between x=-3 and x=-2",
"x=-3",
"x=-2"
] | null | 2 |
math | grade-3 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACqCAYAAACXpjjmAAAbuklEQVR4nO3da1jVZb7G8XstWELLcBnBSA2KYg4KeQya2NW4p3Eyxhq0siwskTLTTTlmhRVOdnA6TAc7aDVpOYqalkPjMIYho2VoCBYqWaZ5QhCJPCCCnNbaL7pEdruD6Vrr/1+L7+ddhTx3V724r+f6/f6PxeVyuQQAAADALaxGBwAAAAD8CQUbAAAAcCMKNgAAAOBGFGwAAADAjSjYAAAAgBtRsAEAAAA3omADAAAAbkTBBgAAANzIIwX7jTfekMVi0Y033qgvvvj... | [
"obtuse",
"acute",
"right"
] | null | 1 |
math | grade-3 | coordinate-planes-as-maps | false | true | What is at (4, 8)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFjCAYAAAAHNnwuAABkoUlEQVR4nO3deXxcdb3/8dfZZs1kaZKme0spLW2BAhGK7JsgXBYVFFG8XJALtWwKF/Ehrlf8sVxBRHHDK+IVRAUR0YvsUEBE7EUQKAVpaUnbtM2ezHbmLL8/Jpk2bYAuk2Z7Px+PoZmzfT8zLZN3vvme79cIwzBEZBfrSWfpyeTf8zjXLeAWPIKW13BbXgIgzLYAYMTrsCOVmJUzSEzeG9M0MU3zXa8XizpUVyZ3/gWIiIiIvAN7qAuQsSkIQzzPf8f9bsGjZ+Mqcsv... | [
"hamburger joint",
"restaurant",
"hotel",
"art gallery"
] | null | 0 |
math | grade-6 | mean-median-mode-and-range-find-the-missing-number | false | true | Felipe has the following data: If the median is 18, which number could v be? | "iVBORw0KGgoAAAANSUhEUgAAAaUAAAAkCAYAAAApSSVnAAAISUlEQVR4nO3de1BU5xnH8e/ustxvcldQERFQq3gBBcFbIjGjrU1tMqnTZmw01oljk9Zp0mYynWlNJ/mnk7am1TF2mmliYmqMYnWMsdYbiIiCgEpAkYuggprAgiyLezn9A6HdoFXwHPYYns9/vGfZ85tnX97n7DmHXYOiKAqA3eWiw+HEpSgoCCGEENoyAEaDgQAvE2ajsXtMURTF6nDS6XR6Np0QQoghy89kwt/LhNHuUqQhCSGE8KhOpxO7S8HY6XR4OosQQghBp9O... | [
"20",
"16"
] | null | 1 |
math | grade-2 | estimate-to-the-nearest-ten | false | true | How many marbles are there? Estimate. | "iVBORw0KGgoAAAANSUhEUgAAAlgAAAGxCAYAAAC+xcgLAAEAAElEQVR4nOz9ebxdVZnui3/HmGvtfu8kOw3pSItAIgqKoFWi0hzBDjtA8BxLbH51qtF7ylN6SvB3Cm+BdarqVnkv55TWwaprU1pWgYpK2dIrjQIBBQ1JaNKQZG9IdnZ2u/o1x7h/jGaOuXbfZidZ7+cDM2vtbsy55hzjHc/7vM8jtNaaetSjHvWoRz3qUY96zFrIYz2AetSjHvWoRz3qUY8TLeoJVj3qUY961KMe9ajHLEc9wapHPepRj3rUox71mOWoJ1j1qEc96lG... | [
"about 50",
"about 90"
] | null | 1 |
math | grade-4 | angles-of-90-180-270-and-360-degrees | false | true | What is the measurement of this angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABSCAYAAABuZ6OSAAAKSklEQVR4nO3dfUyUhwHH8d+BR09hg0ULaOMrLJPY0aP/OF02ta5xMba+tM5qmdIiSn0rWpVqTKWpQwEFK7XBVjq0TGvb2FpbJ7X1ZWlQtyxcTQx2AaEa650v6ZFCZPLy7A8NA0EEveO5O76fv7jjebgf/PXj8tzvsRiGYQgAAACARwSZHQAAAAAIJBRsP3T8jEPHzzjMjgEAAIAO9DE7ADpX7XLq2/OVOn7GoUP/OqX/XLqk8H6hcrz9rtnRAAAA0AEKto+pdjm166s... | [
"180°",
"270°",
"90°",
"360°"
] | null | 0 |
science | grade-4 | compare-temperatures-on-thermometers | true | false | Select the thermometer that shows the lowest temperature. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJQAAAC8CAYAAACew4ePAAATsklEQVR4nO2dT2wbV37HvzMc/pNEWpYlWTFpI7G7G9JBHKdByFOCxKCBXAxD8jWAgsWeZKtID4sQdoDFLiqtVBT1okqCXgJIsA85tCTcXDYQE+dQuCDtFNukG9Lerr2IRa0dJzKWsmzx30wP1HsekjMUSQ3JeaP3AWhS5MybR86X3/ebH39+T1AURblXAP7vMbBeBkoKOJymkATAYwN+0gfsd1SeE+7lFSWV623HOOwT9gKjDkD64+PKE884gOf7K4rjcJphvQz... | 2 |
math | grade-3 | identify-rhombuses | false | true | Is this quadrilateral a rhombus? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACkCAYAAACtrFmWAAAZ10lEQVR4nO3de3xV9Znv8S+5EZMgWzeXYLgIGFEEG6aknraDAQQCzpnWaesFayCiU4GZjpLO4UxrvGC4eOk4ryMWYnXA4VLRcHNa20CUUF6K6aCQCkHxgiQQIAEkJDsx7Ov5g51FwHALe+3fzs7n/dfv2Wu71hdfD/rkx2KtLoFAICAAAAAAIRFjOgAAAAAQTRiwAQAAgBBiwAYAAABCKM50AEhVVVV6/vnnVVdXp1dfffUbx30+n9asWaNNmzapsbFRAwYMUE5OjoY... | [
"yes",
"no"
] | null | 1 |
science | grade-2 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9Z5Rta3aehz0rh51j1a540j3n3Hxvp9sRmQQIokVApi0zWR62ScqUSA9LDn9ky7Ity5Y0ZHsMDw79sIbFYFoiSAMUxSAGNECA6G50uH3TyaFO5Z3D2iuHzz++Xet2ww2rhftHHgO7u+6pqnOqatfac81vzne+7zuVby2FuFOBmsYfPP7g8d/Ih5fDQx8uEmjp8OWm/Lz6B4H7B4//pj9qGtypyPfX+cefV/8gcP/g8f8Pj6s4TcXHn9N/2D/s/0y... | 1 |
math | grade-7 | interpret-graphs-of-proportional-relationships | false | true | As a farmer, Hayley keeps a close eye on the weather. After a few stressful weeks with no rain, Hayley was relieved when it started raining one morning. It rained steadily all day, and Hayley periodically checked to see how much rain had fallen. The graph shows the proportional relationship between the amount of time (... | "iVBORw0KGgoAAAANSUhEUgAAAioAAAI0CAYAAAAz7AJYAABVeUlEQVR4nO3deXwV9aH//9fJvgAJkJCNnERQUZRVWSUsVSGEpYIL+Lu2Kopg7XZr+2i/7b29D5dyt1pva+tFFEHv7a0VBStL2FR2QWSVuAGahYRskIRsZ5/fHylRJEgSkzMzyfv5F5lzTvLOMHPOO5+Z+YzDMAwDEREREQsKMTuAiIiIyKWoqIiIiIhlqaiIiIiIZXX5ojJx4kTeeOON5q/ffPNNrr32WgKBgHmhREREpFW6fFEZOnQoeXl5zV8vWbKExx57jJCQLv+... | [
"After 3 hours, a total of 12 inches of rain had fallen.",
"After 12 hours, a total of 3 inches of rain had fallen."
] | null | 1 |
math | grade-3 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABuCAYAAAAd32REAAALLElEQVR4nO3d629UZQLH8d+ZDu3MtKUdSju1Bi+RsMAGRTRBgy4YMagxiGwwxCUEuWwJSv8YbqFyMyzssrKLQoxKBIVVoiTe2QU0S/BaOr0wvTEzbWfO2RetZ2SjlMt0nplzvp93z0lJfi844ZvJM9RyHMcRAAAAgLwImB4AAAAAeAmBDQAAAOQRgQ0AAADkEYENAAAA5BGBDQAAAOQRgQ0AAADkEYENAAAA5FHwen7ozTd6Fb80qHCYHkdxSaVszftDjab/vsL0FAA... | [
"yes",
"no"
] | null | 0 |
math | grade-8 | identify-linear-and-nonlinear-functions-graphs-and-equations | false | true | The graph shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABmCElEQVR4nO39f3yU9Z3v/z8nM/mdkIQEkxBMEJFUkET5oYJQobjqinoKrQfbblv3dLu1Z7v9sfvpue2n3z3d0x7XW2+31vazru2x3fZU3eO5deuuWgUjxRKFBgWJECQqxAghIeTH5Mdkfl/z4/r+AYlEQBK53kyGPO63m5K5MtdzXrmumWte8573XOOybdsWAAAAAEdkpLoAAAAA4FJCgw0AAAA4iAYbAAAAcBANNoAxH//4x/Xss8+OXX7uued09dVXK5lMpq4oAAD... | [
"linear",
"nonlinear"
] | null | 0 |
technology | grade | web | false | true | What meaning or function is usually associated with this web interface symbol? | "iVBORw0KGgoAAAANSUhEUgAAAV4AAAEsCAYAAACLwdvQAAAL30lEQVR4nO3dP2xV1x3A8R9V1dqlKPIfkLBYgCgdYgkhmanq2B2BGDJkQmLq1C3p1KGwdcoUKVOGDJYRU5fMVQdbQpbSSqlSW5Uso9L3nhURisPiDuXRgA2+ts/93Xfv/XymKNjXB67f18fnnnfvqb29vb0AIM2Pmh4AQN8IL0Ay4QVIJrwAyYQXIJnwAiQTXoBkwguQTHgBkgkvQDLhBUgmvADJhBcgmfACJBNegGTCC5BMeAGSCS9AMuEFSCa8AMmEFyCZ8AIkE16... | [
"Zoom in",
"Calendar/Event",
"Sort descending",
"Link select"
] | null | 1 |
math | pre-k | count-pictures-up-to-5 | false | true | How many dinosaurs are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAACbCAYAAAAX3e8+AABKaElEQVR4nO3dd3gdeX3o//fM6V29d7lIsi3bkru9bF9YCEsLNRB+JIRAQhqX3NxACuQGckMSSkIgwAXCpZfQlhLK7sJ6d727ttfdclOX1dvpdeb7+0PFli3bsq0jy/Ln9Tz77FqnzJzjt777PXOmaEophRBCCCGEEGJF0G/1CgghhBBCCCEWj0zwhRBCCCGEWEFkgi+EEEIIIcQKIhN8IYQQQgghVhCZ4AshhBBCCLGCyARfCCGEEEKIFUQm+EIIIYQQQqwgMsEXQgg... | [
"2",
"4",
"1",
"5"
] | null | 1 |
math | grade-3 | scalene-isosceles-and-equilateral-triangles | false | true | Is this triangle isosceles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAClCAYAAABm8IozAAAloUlEQVR4nO3da1yUdf7/8RdnBIk8pikRCAhCC2k6piaVp/J8xMEDeVizzXR1yyyPmQphiNaam5F28Jf/NtNStLS0LRPTcc2oVMSVMnQlFRUV4zQz/xtt7JpaHgauAd7Pe1wzXt+3Pbrx5uPM9XGx2+12RERERETEIVyNDiAiIiIiUp2UF+yuXbvSpUsXsrKyjMwjIiIiIlKllRfsnJwcNm/eTEREBI899hhnzpwxMJaIiIiISNVUXrCnT59efvGll14iNDSUtLQ09BF... | [
"yes",
"no"
] | null | 1 |
math | kindergarten | represent-numbers-with-pictures-up-to-5 | true | false | Which shows 3? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAT8klEQVR4nO3dW4xcd2HH8e+cc+Z+2/vN6931/ZLEiZPGAQFRykVpoKGkgaKWwkOLeCuifWlVlZdKPPDQSqgqQq1UVAkJKG0gIaCKAqGQNCQkJEDAdmxn7d219zJ7n+s5cy59mOyu17u2Q/DO3yG/jxRtZufMzJlZfX2u/zOxKIqiGQ/O1qAcgB8hIjvEiUHehgMZ6E9AbMaNomdXTc+WyJvPPQVwztRaNwYTcCjbqlNEdkY5gNNVmPbg5RpYq37rDsUnsvPydqs... | 1 |
math | precalculus | determine-continuity-using-graphs | false | true | Is f(x) continuous at x= – 1? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACAIElEQVR4nO3deXhU5f3+8fdksm8kJBA2E2RVkKAoIptgoWpFrWCtiBuKVG2t3fu1trWbtXbRVqu2dQW3Wv0VtYgRURAQFCRCgICAEQIBspJlksw+8/tjDBLZEjgPJ0Pu13V5OZnM+czNOZkzn3nmOec4wuFwGBERERERsUSM3QFERERERE4marBFRERERCykBltERERExEJqsEWklcWLF9O3b1+mTJkCwGWXXcarr756yMf6/X7OO+88PvzwwxMZUUREpENz6CBHETn... | [
"no",
"yes"
] | null | 1 |
math | calculus | describe-linear-and-exponential-growth-and-decay | false | true | How does g(x) change over the interval from x=1 to x=4? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB0gElEQVR4nO3de3wT950v/I8syXcbG1/BYBtCcAPBBoMhEEggkECwoYG0S5on7UlPmgSS9HbObk9fu90+Z7vZbJ7X9nKaJuTSdtNkT5/taZ6SCzaGkEACNQGDAYNNAsRg2QYkWbYs6z6SZp4/jBU7XCzB/DyS/Xn/w8uy5uMvM9LMV1+PZ3SKoiggIiIiIiJVJGhdABERERHRWMIGm4iIiIhIRWywiYiIiIhUxAabiCJ28OBB3HHHHQgEAlf9/l/+8hesW7dulKsiIiK... | [
"g(x) increases by 8",
"g(x) increases by 6",
"g(x) increases by 200%",
"g(x) increases by a factor of 6"
] | null | 1 |
math | grade-5 | parts-of-a-circle | false | true | What is \line{GH}? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADJCAYAAABWm0bCAAAsrklEQVR4nO3dd3hUZaIG8PfMJDOZkEJCSCGVJNQQIFQxQYpUpagIoiBYWFiViy4IXFBkbbC64qJ4rVERFxZFhXUtQYSAwIIiLaGEkkZ6r8xk+v1j5DBjQpMk58zk/T1PHs93zsw5b8z88c7hm28Eq9VqBRERERERuQQ3qQO0BkEQWvT8fI9ERERERHLRJgo+CzgRERERtRUKqQMQEREREVHzUQiCgN27dzc6cOuttyIkJKTR/pycHAiCgHfffRfJyckQBAEmk6nFg95... | [
"chord",
"radius",
"diameter"
] | null | 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. Ian often... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAFOCAYAAADtpiRUAAEAAElEQVR4nOz9d5QlyXnYif4i3fV1y1dXe9/jeixmAMwMxsByABIkLClRAAkeHpASJT3xUdI+vX3csyu32ieRq1097YEISjRLgAIIMwAJkCCAscB41zOD7ulp76q6fNX1aeP9kebmvXVdue7qwXx1sjJvRmZkRGTkF5//xG/91m9J3oa34W14G64h+P3f//2r8lwN4Fvf+KOOFymKEh0LIRr2/g8N8PGuUNygXEbnJC5CCBzbQ1VVdN2gWq3iupJcNs877ng3tZrFa6+... | [
"the type of food used in the bird feeders",
"the number of woodpeckers that visited the bird feeders"
] | null | 1 |
math | kindergarten | select-two-dimensional-shapes | true | false | Which shape is a circle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJgAAACaCAYAAABVCoEqAAAD3ElEQVR4nO3az04TURTH8V9bYIGgKzUuXaiPwIP5jprwBoh7caWh0ASkGRcjyr9i6dwz95xzv99VJ5M0Z/HJdHrvnXRd151cSl8X0nwpXXUi2ritibQ/k97tSq93pMnJRdcdntYeizJ28FzaOl70F292pA/Pen1EmzZfSkfn0rdL6ctCmp5e9TfARSXan/WWJOlsKU2XN24Qleja0q9OmtYdhbIHMDINYGQawMg0gJFpACPTAEamAYxMAxiZBjAyDWBkGsDItMH... | 2 |
math | grade-5 | angles-of-90-180-270-and-360-degrees | false | true | What fraction of a turn is this angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABwCAYAAAAkAwevAAAEuklEQVR4nO3dMWjUdxjH4e8VF5Ug1IAGYiarYB0ancxRskSoyVIXc2MHmwyFdtPFLu0kCnYoHap2VpeAQxzqooNONkMnO6aCCjqkkXS8DmpISNRoX+5y+jxbfrnhJVk+9+P93zXa7XY7AABAiY+6PQAAALxPBDYAABQS2JvIk/mHOXf8m9y5OtvtUQAAeEcNO9ibx5UzF3Lz4rUkyc49A2m2JjJyYjz9QwNdngwAgI1aN7DnZm/l+vnLWfrnWVo/fJfh8dFuzPbBWVp... | [
"1/2",
"1/4",
"1 full turn",
"3/4"
] | null | 1 |
math | kindergarten | represent-numbers-with-pictures-up-to-5 | true | false | Which shows 5? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAiRklEQVR4nO3deWwc533/8ffM3ge5u7xvipIoWaRIS7ROWz7SODEaH2mS1padFkkRBC5aoEiTP4LYQdMkQIIkTX9og6ZOGhdRYcQJ0jatjzpxGjuWYFm2JNsUSVEmxZviudzl3tfszO8Pyoysg5IViUPtfl+AIIrzzDzfHeiDZ46dZxTDMIyZLJxOQiwPmoEQ4jqxKlBigVY3VNtBmckYxhtRs8sSovjsLgXrYHLpH7V22OxZSqcQ4vqI5eGdBExnYSAJalRbWiD... | 1 |
math | algebra-1 | domain-and-range-of-absolute-value-functions-graphs | false | true | What is the domain of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABk80lEQVR4nO39f3ycdZ3v/z8nM5PfaZMmbVLSJqWUVluaQqFASyuwILCiaKtu0eMPXHYVV9R1v8dz87tf9Ox6+HD8HEVvctB1dT2C+9nPceUI7LY1rUUKra20ENq0CQgltGnSNj8mP2cyP66Zua7vH3WyCf2RmfZ6ZzLJ4367ecOZzvXMK9c1857XvObKjMdxHEcAAAAAXJGX7QIAAACA6YQGGwAAAHARDTYAAADgIhpsAOPU1tZq3759o5ePHTumuXPnqr29PYtVAQC... | [
"$\\{x \\mid x \\leq 0\\}$",
"all real numbers",
"$\\{x \\mid x \\leq 2\\}$",
"$\\{x \\mid x \\geq 2\\}$"
] | null | 1 |
math | grade-6 | quadrants | true | true | Which shape is in Quadrant III? | "iVBORw0KGgoAAAANSUhEUgAAAfkAAAH8CAYAAADSe9ZXAAA5eElEQVR4nO3de3BU92H28WelRUISkpAQIIFBvnGxsczN3BExwUyxcfGV8TB2Eo/dTMlMXjypJzMuTTOpJ6bOdJzYxHEbWr8mrd3kNQN1Q8AlYBtkYSwLAghxCeBYgIWEJFaXlVa7q728f6irIINgBTp79vz0/fzlPVqd8/jH6jz7O+fsWVc0Go0KAAAYJ8XuAAAAwBqUPAAAhqLkAQAwFCUPAIChKHkA+vWvf629e/f2PA6FQvrxj38sn89nYyoAN4qSBwy3ceNGbdy... | null | [
"iVBORw0KGgoAAAANSUhEUgAAApcAAAH8CAYAAACEt4SVAAA/DUlEQVR4nO3deXAU94H3/89Ig4QkJCEhQAKD4oPDxjKXuQ+bYGqxcfBJuXhwEped1DpVeXBlXfk9Xm82lXXFrFNbTmzieDfe9WOyGyd5TEGyIeAlxjZgYSwLAojDBHAswEIgidEx0lyamf79oYyMkIRmoHt6evR+VbnCtGZ6PvvdVs9H3z7GZRiGIQAAkHZcLpfdETAIZdgdAAAAAOmDcgkAAADTUC4BAABgGsolAAAATEO5BKBf//rX2rNnT/fjcDisH/7wh/L... | 3 |
math | grade-3 | identify-parallelograms | false | true | Is this quadrilateral a parallelogram? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB7CAYAAABOxPdsAAARAklEQVR4nO3df3DU9Z3H8dd3s9lswmYTLhWuuTn09LSMVutgHRltdRjqDHT8ARiIwEH5UamE5od46tVT/1DqjXLF/NDUH0UoFCGSAlanMKOOo6cOjMpgvXZoGRlhxnjBZkK+WZLNZrPf+yPZ/SYhyHfJbr67yfPx3+c7ZOYt7I6vfeW9369hWZYlAAAAACnhcXsAAAAAYDwhYAMAAAApRMAGAAAAUoiADQAAAKQQARsAAABIIQI2AAAAkEIEbAAAACCFvE7+0IZ93Tr... | [
"yes",
"no"
] | null | 0 |
math | grade-5 | scalene-isosceles-and-equilateral-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADOCAYAAAAEw3WqAAAnBUlEQVR4nO3de3SU9b3v8c+QCWN0jAyiUUMIxEKUKLeSIAlCjIbSZre7OXtZ2bvubBebtLYH0B6i1loVt3J2ldrjKeecWtrucnQ3W2TtQ6CETCAkhlyMEC4RIiDXSCDcQiBXksnkOX+MTE1BhGSSZy7v11pdq/gk8/vw34dnfef3tRiGYQgAAACATwwxOwAAAAAQTCjYwBVUV1frtddeU0pKiiwWi/7jP/7D7EgAACBAWM0OAPiDs2fPyul0qrCwUE6nU2fPnu31/OD... | [
"isosceles but not equilateral",
"scalene",
"equilateral"
] | null | 2 |
math | grade-8 | compare-and-order-integers | false | true | Compare the numbers. Pick the correct sign. 6 ?3 You can use the number line to help. | "iVBORw0KGgoAAAANSUhEUgAAAlwAAAApCAYAAADgbPfrAAAJq0lEQVR4nO3deUgUbxgH8K+lW2qW1loZaQcdYBd2eCRGFpRURqtRCVKBUFJQEIVBEBQiRYckFRVqVhBRWGGYWX/EZoZnZmqCBplZtGkH5rG7bvr7I3Z/HrO6a+nsO30//+3s6PNML8/7Ps5MM05dXV1dUJCbN2/CyckJMTExjMEYjMEYjMEYjMEYDsFZ7gT+tg8fPjAGYzAGYzAGYzAGYzgUmxuujo4OlJaWorCwEBMnTlRMx0lERERkr5s3b6KxsRFBQUFYsmQJXFx... | [
">",
"=",
"<"
] | null | 0 |
math | algebra-1 | identify-linear-and-exponential-functions-from-tables | false | true | Is this function linear or exponential? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAgh0lEQVR4nO3de1RVZeL/8Q93URAzLiJmoPYVsVBMzYbUCi8tG1caouAt1LBw6ajjqOioKSsvCN6on9L0Q8eScmLMJo2MtEjXuCC/jaaNohmk4yXB8ALkBQ7+/mh5fnPCOw/C0fdrLdeK5+z97Ofprzd77bNxyB969IrsQPNFTXUioaSul1Hr2mY8VNdLAAAAQA041vUCAAAAgHsJgQ0AAAAYRGADAAAABhHYAAAAgEEENgAAAGAQgQ0AAAAYRGADAAAABhHYAAAAgEE... | [
"linear",
"exponential"
] | null | 1 |
math | grade-2 | identify-the-fraction | false | true | What fraction of the shape is blue? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAABkCAYAAABgi07kAAAnnUlEQVR4nO2deXxc5XX3v3dWjWY00mjfd1m2ZWRblhdWg8ExGLOlISlL2BJC4gaSNgnvm6Y0NEkTUiiFJiVNKFmgvDQhkAUwGPC+YBtbkiXZ8iJZkrWvs2hGs899/7gzI8nWNtJIFs39/iNrZu7zPOOP7rnnOed3ziOIoigiIyMjA6gu9QKmwun2c6Z9iIEhD1a7F7Pdg9XhxWL3YLF7sTi89FvdaFQK9DFK9DEqjHo1xlg1qQlaUhNi6Da7uHltBrmpsZf668jILGi... | [
"3/11",
"6/9",
"7/12",
"6/12"
] | null | 3 |
science | grade-4 | predict-temperature-changes | true | true | Two identical blocks are heated to different temperatures. The blocks are placed so that they touch each other. Heat can flow from one block to another but cannot escape from the blocks. Later, the temperature of each block is measured again. Which pair of temperatures is possible? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAYFUlEQVR4nO3d6Vcd953n8XfVXeGyCQFiF6DFMtaKpFje1IllTdyxE0+c4/gk3Z30g/Q8nHkyf8D8C/NwTs6Z0xNPuk/GdmKnHVlKy7balrUjBFrRwqYrdhCXy91rmQfFLUAXIZARVcD39cRWcZe691f3U/X71q/qp5imaSKEEIDq9AoIIdxDAkEIYZNAEELYJBCEEDYJBCGETQJBCGGTQBBC2CQQhBA2CQQhhE0CQQhhk0AQQtgkEIQQNgkEIYRNAkEIYfM6vQLLIZU... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAhpUlEQVR4nO3d6VcbZ74n8G+VViQ2Y8CIzYDXEO82sZPY7u44uZ3O0ukk42TSnU7mRe68vHPOnHk798zbmf9gTs65Z6bTffv0JN2drRO7r7PcxCs2tsELxmAWWQaBAEsI7bXMi0ICDLaFLapK0vfzhqSMpAfq0ZdfVf30lABABRERAFVV4U8CA1EgLAMS04GIcsQqAGUWYJMLWGcHBLAAIaI5/oSKzhmjR0FEhW5/OWA1ehBEZB79Ue2rxw5scWtHK0REuRCWgb4... | 0 |
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