subject stringclasses 4
values | grade stringclasses 15
values | skill stringclasses 445
values | pic_choice bool 2
classes | pic_prob bool 2
classes | problem stringlengths 0 1.12k | problem_pic unknown | choices listlengths 2 4 ⌀ | choices_pic listlengths 2 4 ⌀ | answer_idx int64 0 3 |
|---|---|---|---|---|---|---|---|---|---|
math | grade-4 | estimate-angle-measurements | false | true | What is the measure of this angle? Choose the best estimate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABLCAYAAABKvvDBAAAISklEQVR4nO3df0zU9x3H8RdXcpOeFUwsUbtrtcS2li26NhG1YQ40Q421MpRsOgtKB9IsiO05A3TB4i9wiWKjoi3zR7VdN9zWurabS2U64iymWTEOjRIqFqPOEHtnvWHIcbc/nCRdLSB+7/tDn4+/LvdNvp9X7q9X3vl+3xcTiUQiAgAAAGAIl9UB+uvQiaOasybP6hgAAABArxxRsPNe8yn9lWyNfzTZ6igAAABAr2KtDtAbfzCg51bnqeFkoyTpypd+awMBAAAAfbB... | [
"90°",
"30°",
"120°",
"60°"
] | null | 3 |
math | pre-k | ordinal-numbers-up-to-tenth | false | true | The first picture is a tractor. Which picture is seventh? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAqAklEQVR4nO3de1yUVf4H8M9hZmRgEBANFco7mq0GllqWoKaV7q5pZWq2peUvbdfEvOyWuqmkZplaXvKWt2zbSssyWk3ThLTWFgy8lCViXhKMEkEGZoaZ4fz+OHNl7lcG5vt+vXaDeW6H8/rO8xzPc873MM45ByGEEEIIIcQvIhq6AIQQQgghhDQl1MAmhBBCCCHEjwLWwK7QcnTcdx29vqxChZZGoRBCCCGEkPDgVQP7k1Itsn5UO2045/yuw/maOhRW6vHksRqvC0g... | [
"tractor",
"barn",
"sun"
] | null | 2 |
technology | grade | logo | false | true | This is (part of) a (former) logo of which computer related brand? | "iVBORw0KGgoAAAANSUhEUgAAAQwAAAEsCAYAAAA2II2lAAA07UlEQVR4nO2deZhkZX3vv+9Za+vqfXp6hhmGGQZw2DRDQECiIGLY1EAExUSuRkUx98ZEydXEG7OY5YnmRm+MiEsSfWIUcSGBiJARMIigsggOA8wMw8wwwyy9d61nfe8fp0/1qeqq6lNVZ63zfnh4nunu6nNOd53z7e9ve18CgILBYDBcwIV9AQwGIz4wwWAwGK5hgsFgMFzDBIPBYLiGCQaDwXANEwwGg+EaJhgMBsM1TDAYDIZrmGAwGAzXMMFgMBiuYYLBYDBcwwS... | [
"NEC",
"Motorola",
"Dreamcast",
"Pinnacle Systems"
] | null | 3 |
math | grade-7 | identify-equivalent-linear-expressions-using-algebra-tiles | false | true | These tiles represent the expression x+x+9. Which expression is equivalent to x+x+9? | "iVBORw0KGgoAAAANSUhEUgAAAMIAAABoCAYAAACjZi+5AAAFUklEQVR4nO3dT2wUZRzG8e/sbi12Cy2WFkqrlTYE+WfsKpBwMMRIAnoyvXAwejHGhBA94KXRC4cabl44kAg3IxiIJ//E2sTURBI0i2DaaqBNN0BbuzVNCl1L6Mx4wKqEQrc7M7vzvn0+xz28v1+y+3R3ZpKnju/7PiIrXKLSC4jEgYIggoIgAigIIoCCIAIoCCKAgiACKAgiAKQqvYD8x508jz87FPq5TnoryaauFTdvWWc86slyNt/LeGEk0IDFNNe0k2ncH/q5C0z... | [
"2x+11",
"2x+9",
"9x+1",
"2x+2"
] | null | 1 |
math | grade-1 | addition-sentences-using-number-lines-sums-up-to-20 | false | true | Which addition sentence does this model show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABhCAYAAADsidaRAAAWw0lEQVR4nO3de1BU590H8O9yc4PcFURSBKEDXkLAS8RLEsVUE3NTE6WayUTSGFPTjq12HGNMJxppNU2T6hszmVhnQq3B8VYwJuXVd0wAp8hFBI06atQsggvGBZew3Ff2/eN0FxYQduGw57Lfzwyzy9nN5vdzF86X5zznORqLxWIBERERERGJwkPqAoiIiIiI1IQBm0gGPrkIaPcAz/6v1JUMDvsgIiICvKQugEjtapqAEVrAu5c/Z41twGu5wP/dAnw8XV2Zc9gHERG... | [
"5+5=10",
"6+3=9",
"3+3=6",
"6+4=10"
] | null | 1 |
math | grade-3 | read-a-calendar | false | true | What day of the week is June 21? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAF2CAYAAAAbcOzWAABWlElEQVR4nO3de3xU9Z3/8ddMJvcruXMnEDCAIUKkCAH5FbGgeC/rrixbt2KVVt12sSibVmt/itRLu9XaLe6qRbQWFFYJUATBX8KlgEgg3AImBAgh5H6B3C8zvz9ihsQEmEgmkzl5Px8PH5I5Zyaf+eTMmfd8z/ecMdlsNhttVO2vpepQLU2lzYiIiIjItbOEeRAwzpeARF9XlyJ9gKltwL+4v4am4mYCJwdg8jCB7Up3FREREZGrMoGt2cbFv1dhifQgMNHP1RWJwZn... | [
"Thursday",
"Tuesday"
] | null | 1 |
math | grade-3 | shapes-of-everyday-objects | true | false | Which is shaped like a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIUAAACFCAYAAAB12js8AAAYZUlEQVR4nO2deXRc1Z3nP6/qvVelUpWWklSSbGuxLckWXmV5BRsbbBZDAIMXBpJOToD0dHKckB7IAJnT6ZnDBIacDtmAntAMnYZOJ81iyAIYgw1eMTayHIwtW7JlS9ZaKpWkklT7Mn+UVFLpaSlXlSwHv885Oqr73n33/aT61l1+v999JYRCoVCbF846oTcA/hAqVxmiACYtlBogVwahzRMKHXFMtVkqVwor0kCsc4YL+TLMSQ0rRuXqojcAZ/qh1Qu1TtA4/OE... | 2 |
math | grade-6 | compare-area-and-perimeter-of-two-figures | true | false | Which figure has a greater area? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMAAAACACAYAAABdhGZrAAAM30lEQVR4nO3de1CU9RoH8O+7XJTdFg7qKJvghSTpgoVmDLcZBJRphTjaUHghmEpRAeV4PMdQ52RWQMczNZUdGx0oxtWxg6HtKY00ago8RtPghFw8LqcdgQEsLrIpl2Df8wdBgIssu+9l332fzz/Nuu/uPjnv1915n+f3exmWZdnWfsBwGzANAgMsCHFargygdgEClMAcd4Bp7WPZym6xyyJEeCGegOu120MPNO7AYtVQOghxVqZB4OotoKUf+O9tQNE9MPQEnfx... | 1 |
math | grade-7 | similar-and-congruent-figures | false | true | Are these shapes similar? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEKCAYAAAAozSK8AABGcElEQVR4nO3dd1xWdePG8Q/coAgqmlvrEQQzZ6ZmJrlHLhzknixH7pXbXGnqoybmluHe5sIcWaJmmTkKFHOhVoojFQcIAje/P/jF8/hkuW44jOv9evGS+3Cfc64DqBdfvvf3WCUlJSUhIiIiIiIWYW10ABERERGRzEQFW0RERETEglSwRUREREQsSAU7DYWHh1OzZk0cHR0pVaoU27ZtAyAuLg4rKyvs7OxS3tq2bfvC5zl69Ciurq6Wii0iIiIiz8FKL3JMO+XLl8f... | [
"no",
"yes"
] | null | 0 |
science | grade-4 | compare-strengths-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | "iVBORw0KGgoAAAANSUhEUgAAArwAAABfCAYAAAAK9RRGAAANt0lEQVR4nO3de3BUZZrH8d/pzqUhMSGQBAmgsgRlZJd1BI0BqgbiEIEZy1hDILqW61+CV9TyAsVlawvZAUU0sFymsERdFChCqNphqV1MAbawBRgkWGyJQwSGS1pUoGGQtKQv+0eK7ESypBPOyel+8/1UUZXunPOe5xTP+7xPTk76WLFYLCYAAADAUB63AwAAAACcRMOLa5SVlcmyrFb/8vLydP/998vv93dorEOHDsmyLO3atavDcUQiEc2ZM0cej0fvvPNOh/cHgGS... | [
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is weaker in Pair 1.",
"The magnetic force is weaker in Pair 2."
] | null | 2 |
engineer | grade-6 | identify-the-experimental-question | false | true | Identify the question that Jake's experiment can best answer. The passage below describes an experiment. Read the passage and then follow the instructions below. Jake divided 40 unripe bananas evenly among eight paper bags and sealed the bags. He poked 20 small holes in four of the bags and left the other four without ... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAEICAYAAAA0p80lAAEAAElEQVR4nOz92bMtyZXeif18iIi9z3jnm3MiMzEUCigUamAXq1BdZLFbJCWzVssoWUsm05tMT/2/tOlJb7LWi14klZpqmfVA0kgWa0KNKBRmZCaQmUBOdzzTHiLC3ZcelnuE731PgnoREjJjJA7OuXuI8HH5Gr71LfNf/pf/pfAfrv9w/YfrP1z/f3T9V//Vf/WpPNcD/ODr/5phGBjHEWMMhgRA6xvatkWIDMOASQnnHMYYYow45/T9lHZuaozZ+S0iOOem75bLWos... | [
"Do bananas develop more brown spots if they are kept in bags with holes compared to bags without holes?",
"Do bananas develop more brown spots when they are kept at room temperature compared to in a cold refrigerator?"
] | null | 0 |
math | grade-6 | mean-median-mode-and-range-find-the-missing-number | false | true | Joel has the following data: If the mode is 8, which number could p be? | "iVBORw0KGgoAAAANSUhEUgAAAN8AAAAkCAYAAAAJrO/2AAAICklEQVR4nO3daWyUxx3H8e9eXh/rY32wPsDrAzBgMJcLuOUwBUMgaaElpEEFGtoGpRVVEoGiXlEqiiq1qFGhSlVUJTSUIAIJZ1MgbjhMAAOBYq7Y2MYna+P7WLPe8+kLH6wxCJc+z7ORmM+7nbU9fz/P/naemdlDI0mSBODxQbcLfBJICIIgJw2g1UBwEOi1vW2SJEndbnB6AlqbIDw1jHoINoDe4xXBEwQ1OT09o59WBE8Q1Of0gNbrC3QZgvD08fpAKxZXBEF9EqA... | [
"8",
"15"
] | null | 0 |
math | kindergarten | tall-and-short | true | false |
Which bottle is taller? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAGgAAACyCAYAAACuuYroAAAOY0lEQVR4nO2deWxcx32Av7f3vVyeIpeHaF2mSB22I9GSpQB2lQYpkraS6tqNXTQNesFoJad1+ocRuU1dJAiiApGTwoCEGEX9j6gGOWQUStMqTpWSNmWplmWypClLPJaneCx3l7vLPV//WJEUxSVNLne5Q3o+gNjHffPm/ZbfzryZefM4iqqq6nAUPg5BIAFxFUke0Slg18I2C5QZQBmOqOpVf77DkqSj0QG6W6HUL+UG2GFN2ZPkj0ACPgrCUBS6QqDxx1M7pBw... | 0 |
math | grade-5 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADGCAYAAADokPfHAAApQElEQVR4nO3de1jUZf7/8ScHAVERl5XElY2kll9a2I81M9z1gLtQ6zHdQUkUFMyUPJtnzUOe8YCH3FJA09IkV4vcVXY1UTM2XdxkrbBffNullZI1cBQbx2Hm90f79ar1kAfgMzO8HtfV1cUwn/t+Wf3x4u7NPR4Oh8OBiIiIiIjUCE+jA4iIiIiIuBMVbPlBJ0+eJDg4mJEjRxodRURERMTpeWhERH7IQw89xKlTpwB47rnnWLNmjcGJRERERJyXTrDlpsaPH8+pU6f... | [
"isosceles but not equilateral",
"equilateral",
"scalene"
] | null | 0 |
math | grade-2 | compare-sides-and-vertices | true | false | Which shape has more sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAALgAAAC4CAYAAABQMybHAAAKGklEQVR4nO3dzW9cVxkG8OfOjC3XH6RNSOI42RAESFW7gEWyQIqQoIAKlAipCUr/BvZF7aILWHTTBYgFYsMCrBBEFOQQYQVLEVJUNVJToVb5ajpVFXs8toODM85o4rn3HhZjK5OJ4/h4znvvOe99fpuoHTe5Yz09uXPOfV5HxhhTXwNuN4FGAsQGRMGqRMBYGfjaMLB/EIjqD425cj/vyyJy7+iXgMqnzc4/HBgEvjHSST9RqBoJcPMBML8G3GoCpftx5wWGmzQ... | 1 |
math | grade-3 | interpret-line-graphs | false | true | Worried about going over his storage limit, Barry monitored the number of undeleted voicemail messages stored on his phone each day. On which day did Barry have exactly 7 voicemail messages? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAGUCAYAAAAPoVWPAACgRklEQVR4nOzdd2BV9f3/8efNzd57QXYgIQMIIewNIkNNQFCs2mrVqrWtWrtsv23VWmuHo666cVEVZMkSZBNGAoGQRSBk752QfXPH7w9+uSUShnqTc5O8H3/Bufee88q5Nzfv+7mf9+eoDAaDASGEEEIIIYRJWCgdQAghhBBCiKHEUukAQ01BQQF///vfAXjqqafw8/PrdfvOnTvZsGEDrq6uPP/886hUqqvur76+nt///vcAvPTSS9jb2/dPcBP74IMPOHr0KPPmzeP... | [
"Wednesday",
"Saturday",
"Tuesday",
"Monday"
] | null | 3 |
math | grade-4 | multiply-unit-fractions-by-whole-numbers-using-models | true | false | Which model represents the product 4×
1
5
? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAYgAAACECAYAAACK9rzpAAAO9ElEQVR4nO3dX2hc553G8Wc0tqN4ncwE0tRmGyTXdpPUBM1kCV4vyUqCpZulfzSydyuSG0moYdmbSG4uVqwvLF8km1wsUgohEHaRchFW8rJIuLmwrzwwoXVKw0xwCbRN8DG5cLouaEhcO02kvHsxnNFIPpI1M+f8zkj6fkBY1p9zXj2v4Jl35j1HCeec+/RL6aNb0ufL0pITAGAH2pWQ7ktKR/ZK39wjJT79s3O/+izuYQEAWsmx+6Vdv79V+c+BPdIjf1FpDwD... | 0 |
math | grade-7 | describe-a-sequence-of-transformations | false | true | What combination of transformations is shown below? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEyCAYAAADA5Kd8AAAbvElEQVR4nO3de5zVdb3v8begM6OoY95wRoSKdnnyho2ad7HdtjRTy2tatr1kytbEqCPpNi1T9Kh5K6+o7SzT8lZey0pUMryMgGYHC46BuEbSVEB0GIU5f9DM3pYyzPBlLcTn8/HwIdPjt36f71xkXuvXd/3WSp2dnZ0BAACK6FfrBQAAwIrkTYHd1tZW9QWYuWLNrNVcM1esmbWcCwBLa6WuLSJtbW2pVCq1Xg9AmpubU6lU0tLSUuulAECvrdz1h6amppr8QmttbTV... | [
"rotation, then translation",
"translation, then reflection",
"rotation, then reflection",
"translation, then rotation"
] | null | 1 |
math | grade-1 | cubes-and-rectangular-prisms | true | false | Which shape is a rectangular prism? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAQdUlEQVR4nO2dW2wb2XnH/0NyhkNSEnWjSEq+yF57XWyAddrd1gm66LZN0AApNgWKpEDRbh/Tpz4k2Jc8BQEK9K3tcxH0Ie72JUAKJGiBIl4XNZzN2uvd+LK6W7YlSxYl2STF+515mDnDu8QhhxrynO/3YnlIkZ/lH4++Oec735Gq1Wo1UgAeZ4BkGShVQRBDh0sCxp3AZS8QVAApkq9W7ybsDosguufaBODayGh/CSvAFZ9mNUEMG8kysJYG9grAegZwJEraAyQ... | 1 |
math | grade-1 | simple-fractions-what-fraction-does-the-shape-show | false | true | What fraction of the shape is orange? | "iVBORw0KGgoAAAANSUhEUgAAAVsAAABkCAYAAAAolJMhAAAB/UlEQVR4nO3UsW0UUBRE0beWpa2AzJFND5aogBLoAIkGXIMbQFRADbSAqMGQbEYFjj4pMau9X8bnZJNNdA9rrTUAXNT1zMzvLx/m+deP3V/OsGbmsPvEWY639/Pm49fdN4ALuZqZFx7amZce2pmZ55/fd18ALuj673Hz/tOuH2c5ffs8MzM3j0+bn/yb08Pd7gvAhV3tPgDwGogtQEBsAQJiCxAQW4CA2AIExBYgILYAAbEFCIgtQEBsAQJiCxAQW4CA2AIExBYgILY... | [
"1/3",
"1/5",
"1/2",
"1/4"
] | null | 2 |
math | precalculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed lines are vertical asymptotes. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AACR8klEQVR4nOz9eXhc5Xk//r9nn5FGu2RJyJaMbTDI2AYvgMFbAiEODhBDgCSfLPTX5krSbO2n7TcpJfm2iUvybUPySUtS0n7SQJY2gUIgYGwwwdhGxhgLLFuyjW3Z1motI41Gs5w5+++P0UgeW8tIOkczR3q/rovLeHTmnsejmTP3POd57tum67oOIiIiIiIyhD3TAyAiIiIimk2YYBMRERERGYgJNhERERGRgZhgE80hr7/+OhYuXIitW7dmeihERESzlo2bHInmjtt... | [
"$\\lim _{x \\rightarrow 7^{-}} f(x)=-\\infty$",
"$\\lim _{x \\rightarrow 7^{-}} f(x)=\\infty$"
] | null | 1 |
engineer | grade-7 | evaluate-tests-of-engineering-design-solutions | false | true | Which of the following could Marco's test show? Marco was concerned about drivers speeding on his street. He wondered if either a speed bump or a traffic sign would make drivers slow down. Before asking the local government to install a permanent solution, he decided to try a prototype sign. Marco made a sign out of ca... | "iVBORw0KGgoAAAANSUhEUgAAAQYAAAFOCAYAAABkPrM9AAEAAElEQVR4nOz9efhlWV3fi7/Wns58znceau6hqnpGCAIiKMooiASNSkDFMZibOCDc3Of6hHgdrsar0USDN4/JT25AwEQNKogikwi03U1PtN1dXdU1V33rO5953MNavz/WXuvsc+pbVc2U5j7PXfV8a5+z99nzWp/1Gd6f90f8i3/xLxT/X/v/2v/Xvi7bb/3Wbz0r5/UAfuodb0cIgRACx3EmlqYJIXBdF8dxcBxn4iCu1N+VUiilkFLazwBJklz3IhwXXNfF8zxc18V... | [
"whether more cars obeyed the speed limit when there was a traffic sign",
"whether a temporary cardboard sign or a permanent metal sign affected more drivers",
"whether a speed bump or a sign was more effective in slowing drivers down"
] | null | 0 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-two-digits | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAAH0CAYAAADL1t+KAACJXElEQVR4nO39aXBc53mwDV5n6x0NgCDADYQoSqIkL7Isytr4KqIVOzOa2Mrn155YJTufNZkZWY5dqVQ5qZTnz9SoUq44dlLKV3KVXRNHtl/l1ecvilK2pDhjW7Q2y5QiaqUs7vsGgGwCjd5On+WZHwfsRgO9AWgAzYP7qjoCGv2c5zwXbwH36Wc7mlJKIQiCIAjCZY2+0g0QBEEQBGHxSEIXBEEQhBAgCV0QBEEQQoAkdEEQBEEIAZLQBUEQBCEESEIXBEEQhBBgdrQ... | [
"94 − 1 = 93",
"94 − 2 = 92",
"93 − 1 = 92",
"95 − 1 = 94"
] | null | 0 |
math | grade-5 | mean-find-the-missing-number | false | true | Brooke has the following data: If the mean is 26, which number could k be? | "iVBORw0KGgoAAAANSUhEUgAAAQ0AAAAkCAYAAACTxm9CAAAJM0lEQVR4nO3dfVRT9x3H8XceIBFIQB6CEMBankVF0aKOdl216rRqnzt72q3tOW7tTttj29PtuD/W9Y9tZ/+sO+26zfXMunZu2p2up9WpfZitVi34gIpYJGARIQFERJIAISHJ3R+BYKS2idxL0p7f67/ce8P9kK/53l9+9xdUSZIkAXi9MDQEfj8gIQiCACpQq0GvB612ZJMkSZJ7CNzu6GYTBCG26XSg04PW5xUNQxCEr+d2g0YLatEwBEEIl8cNap8v2jEEQfim8Pl... | [
"33",
"19"
] | null | 1 |
science | grade-2 | identify-plants-and-animals | true | false | Select the animal. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADeCAYAAABL7FARAAEAAElEQVR4nOz9V4ytaZamhz2f+9324ePE8SZP+syqLG/bqM10jyN7ZpozHEqQRIIXEgFBEqgLXVCABFGgJIijC4oaUYbUuJ7umWZ3T/uurqouX5VZ6TNP5vEnzgkfsWO7335GF39UDQQVhaLyhgJmAwcnEYiTsWP/61vfWu/7rneJH0xCuNmBnuJfvf7V67+Rr5mDDxawW8NIwxeG7dflvwrcf/X6b/qrp+Bmp/3vufuXX5f/KnD/1ev/H14/itMm/Muv6Z/0jd9... | 1 |
math | calculus | determine-continuity-on-an-interval-using-graphs | false | true | Is the function f(x) continuous on the open interval ( – 7,1)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB29ElEQVR4nO3de3xU9Z0//tfcZ3KdkIQkBBLuYCABgoDhTqGIolawFrQ3WtuubrW1v93u9uK3392ty3a3t9Wq9euuFd3trpUWbQUDolwNQiBAIOEWArkBuUyucz2XOef3R0xMuCZwPkwmeT0fDx+SyZz3vHPOzJnXfOZzzjHpuq6DiIiIiIgMYY50A0REREREgwkDNhERERGRgRiwiYiIiIgMxIBNRL3s2LEDo0ePxsqVKwEA999/P95+++2r3ldRFNx1113Yv3//7Wy... | [
"no",
"yes"
] | null | 1 |
math | grade-4 | identify-equivalent-fractions-using-number-lines | false | true | Is 1/5 equivalent to 1/10 ? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABwCAYAAAAkAwevAAAbS0lEQVR4nO3de1CU59038O8Ccj7IMbBIQC14enyI0QLrCVuTlMRXYvCE51RpXjNqp4k6o6+dVp3Waq3BUWvwMMSIpm9rbB5tbey0VeB9LIioj6dHLMFRkQVBBIzswt67e79/mOWRGA3KfXPtffP9zDi6964z399c7O6Pa6/rWoMsyzJ0oqCgAGazGT/+8Y/h5+cnOg4pZO/evWhpacHy5ctFRyEF7dy5EzabDT/5yU9ERyEF5ebmws/PD4sXLxYdhRQiSRK2bduG0NB... | [
"yes",
"no"
] | null | 1 |
math | grade-2 | equivalent-amounts-of-money-up-to-1-dollar | true | true | Look at these coins:Which group shows the same amount? | "iVBORw0KGgoAAAANSUhEUgAAAT0AAABECAYAAADzweIgAABnP0lEQVR4nO39d3hch3Xmj39unT6DGQx67wB776Q6JdmyZEtyk9vGNZvN2omd3STrPGlO8uwv2W+SdTbxxnbs2I67LVmSZRVSokiRYu8NBEj0Dkzvt/7+GMyIjGWblKw4WfHVo+eBoAFwzy3nnvKe9wi2bdvcxE3cxE28SSD+qg/gJm7iJm7i3xI3nd5N3MRNvKlw0+ndxE3cxJsKN53eTdzETbypIP+qD+D/VZimSTKZJJPJkEwmSSaTZLNZTNNkenqaWCyG3+/HMAy... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAZ0AAABgCAYAAADGpK/RAACBdUlEQVR4nOy9d3hc53Xn/7lz751eMMCg9w4QJNh7EdWo3mxJluTYimu67djexLvOxlk7yZO1s3HWiePETZG7bNnqXRTFIvYKECQKid6BwfR26++PwYxEV3Vlf8JXjx6QxAxwz3vvvOc953zP9wiAyRKWsIQlvEtgmibTClxIQkwHbWkHfEshCeARodkJpVYQWHI6S1jCEt5FmM6YHI2+01fx7sRGL0jv9EUsYQlLWMLbiYFk9mu5FVpd2VP4Et46xHToS8CUAv1... | 1 |
math | pre-k | addition-sentences-up-to-10-which-model-matches | true | false | Which shows 3+1=4? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAXYAAABKCAYAAACvkX8HAAAM8ElEQVR4nO3dXYxU9R3G8ee8zcvODLu4sAuylF3eBAtCpIRoUisNcueFURpN9KJpUi+0JiTWS6+xTfWiTWtvTBOTGtvUC+2NRqvpRZtKqAqoFQi7kbddlkF25/W8/ntxdvYFhpk5M+d/ZubwfBLC4rx+N57fzJw5L4oQQkxbwLkyUHABR4CIiPqIrgA5Ddg2AIwmAGXaFOLT+W4/LSIiCsOBVYB+tuz/Y30CuCfjT30iIuofBRf4pgRcsYAzZUCdd/wLONSJiPp... | 1 |
math | grade-2 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAG1klEQVR4nO3dTUwUZxgH8P8uHwsrK4ts00VUXFrRvRTRpI2JxJE0NfUkpJfiRUy5NsSjSZvl1JPnJrUpXOytys3YA2o0MR4qe2gi/QiCYiHtUlexy0d1pwcKgu7HzO7OzDvz/H+JGuHd5x2W98/M7rw++o4dO6ZrmoZKuHnzJnRdB+uVXu/69esVqeU0TdOUfp6l1avWNA2JRKIiBYeHh6HrOuuVUc8ruK7UquevSCUiUhqDTiQAg04kAINOJACDTiQAg04kAINOJAC... | [
"turn",
"flip",
"slide"
] | null | 2 |
math | grade-1 | compare-objects-length-and-height | true | false |
Which keyboard is the longest? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAagAAABvCAYAAAC5KFR4AAAOBUlEQVR4nO3dTWwbZ37H8Z/skURZI4kWKYmSXyLHlrVKvIljxRsn8cu6wF5aLGCk2wDd1WHh1lg06KGXAi1Q9NBTe+mhezMWCFAUOS2ygHxrD2mSLbLdxkk2uxtHlmNr/aY3UqKskUVJ47AHmgrFtxlSQ/Kx9f0AAi0+z8z8/2Pg+YvPPJxpSqfT6Zl16cZDafmR5KYFAEDdWU1Sx25paI/U1yI1zayl079+0OiwAAD4xiudkjX5MPNLf4s03J6pXgAA1NvyI2l... | 0 |
math | algebra-2 | classify-variation | true | false | What does this equation show? Assume k is a non-zero constant. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdsAAAA2CAYAAACP1zPcAAAQPUlEQVR4nO3deUxU1xcH8O8DHBkWB0UUUQGF9icoihsapSpYqRSrFveokUSLI9WoGcWlGOOCxYWW2AYXUKtgtdXaaqW0auNSJGXRqsW1RYsoyqKyzZTBwfP7g9/MzwFmQRhBOJ+ERO67975zx3vfebw7AwIR0eNK4G8FUFYFqAiMMcYYawALAbA1B96yAjqLAOGxkii9tKnDYowxxlqmIe0Ai78U1d90EQH/sa7OxIwxxhh7dWVVwG058KgSuKMAzEpV1Qc40TL... | 3 |
math | grade-1 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAANyElEQVR4nO2dbUxb1xnH//faBDsQQ8oapBjlpQqQrIszdYphWtOajElV1GiQpp9CQtCSatKS5tuUIU2hmxQidZrULHzKqiQMvuUFaYi2SnhpaLXGbB0lnUJgWpcIV3IkEtsE/AL23QdqBgHic66v7z32fX4SX6x7nnO413/fe855/s+VXn/9dcXj8UALPv30UyiKAoqnPl5/f78msYzG4/EIfZ7NFs/q8XjQ0tKiScD33nsPiqJQvDTi5Qr0vRIrnqxJJIIghIaEThA... | [
"turn",
"slide",
"flip"
] | null | 1 |
science | grade-5 | predict-temperature-changes | true | true | Two identical blocks are heated to different temperatures. The blocks are placed so that they touch, and heat begins to flow between the blocks. The pair of blocks is insulated, so no energy escapes. Later, the temperature of each block is measured again. Which pair of temperatures is possible? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAXR0lEQVR4nO3dd3gc9Z3H8fds35UsS7Jsuctg3ItMMzZgqiH0GsgFCOQuxyV3hHB5khw8aeSScM8FSC6QdrlQkkBCSzDGNibYYAc3cMFyw71KVrGsLm3fmfvjpx1J3pUsWSvNSvt9PY+egd/szv7kWX1m5ju/3Z9mGIaBEEIANqs7IIRIHxIIQgiTBIIQwiSBIIQwSSAIIUwSCEIIkwSCEMIkgSCEMEkgCCFMEghCCJMEghDCJIEghDBJIAghTBIIQgiTw+oOpESoheD... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAj5UlEQVR4nO3dd3wcZ73v8c9s066aZVvuNc2OEycOKU6BFIIpKYaQQGgBzj3UcyCHy7lw4FJOuLQXJfCic7mUHCAHklCS4CROxSaxncSO4x7XuFuSi7q1fXfuH49WK1lreW2vZmZX3/frpddYz87OPvIz+uk3M795xgJsREQA27ZpScKOKHRnIK3oICIlErCgzg/nVMOEEFgoARGRXi0Jm5VdbvdCRCrd5fUQcLsTIuId26NmOSkEs2vM0YqISCl0Z2BrDzQnYVs... | 2 |
math | pre-k | tall-and-short | true | false |
Which fence is taller? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAN0AAAEJCAYAAAAQHCKXAAAXCklEQVR4nO3dW3AU150G8G9G0gghMUJG5mJGhJsAjWyFi5EGB9skAq2va2zYLC5vNms/JJWtCvAARbls2CoJtoqFrRpJSVx21QolGxc8SCSxy05qxCWJ13aPWMcuJ4xky/YS3BICEy6NkNB19kFuI0uamdPdM39k6/u9pDLT0/pzfL5zerr79Lii0Wi0sw/4qBu4NggMREFESZTuAqalAYVTgVkewNXZG402G7e6LKLJocwLpLd1D/+fOR5gafZwIokoea4NAh9... | 0 |
math | grade-4 | nets-of-three-dimensional-figures | true | true | Which figure will this net make? | "iVBORw0KGgoAAAANSUhEUgAAAM0AAADNCAYAAAAbvPRpAAAEo0lEQVR4nO3doXIbVxiG4bOdgFKnpNgBos6kOCzU9+CZ4BT5KoxSnBndg6hZcDouNbBxSV1atiVZ14oW5It0uvaf52HZmeycHenV2ZXPaodxHMcGfLUflh4APDXPlh5AD8MwLD0EPqt4IlNuphHM41Lx9Sg507TW2psPH5cewnfv8u3rpYfQRbmZBnoTDYREAyHRQEg0EBINhEQDIdFASDQQEg2ERAMh0UBINBASDYREAyHRQEg0EBINhEQDIdFASDQQEg2ERAMh0UB... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUkAAADNCAYAAAA13ILSAAAaQ0lEQVR4nO3dfVRU550H8O8oWlFwIEqqGB2GSOiRdhk2Jo1KAqR6orUFbQK4a3edUWtrjAJuMabJlhnTRM2cCmjM26oMJ31RSTcDPUbSmDqJr8dqZjy7tEVjnECFrFKdOAaNYmb/GO4tIFxnmLc71+/nnBxO7hkuz5yBr89zn+f5PSqPx+MBEflMpVJFugkURkMi3QAiIjmLiXQDQoH/0ssHByoU7RTXk2RAygs/D4p2iuxJAsCsbR9Gugl3vPeWPhLpJhAFTHE... | 1 |
math | grade-5 | understanding-probability | false | true | If you select a marble without looking, which color are you less likely to pick? | "iVBORw0KGgoAAAANSUhEUgAAANkAAACRCAYAAABOtR13AABAbElEQVR4nO29eZgc1X3v/TlVs289q5YZLTASSDJCSOyrsFkkG5JrAzFgYuwk1zc2JM/1wvVrx+AFX7CNfWPs+I2Ns+DYMTaJrSD5+o1BBgISCYsQCNACWBotaGY0mlUz3dNb1TnvH+ecquqZkTSSZnpGcn+fR0+puqt76lSf728/vyOUUooCCihg0uBM9Q0UUMCpjgLJCihgklE01TdQwOSjPdHN9v49HBju50CylwPDfQxmEjSV1zKzvJ5ZFfU0VzSwtL6VutLqqb7... | [
"green",
"black"
] | null | 1 |
math | algebra-1 | model-and-solve-linear-equations-using-algebra-tiles | false | true | Which equation does this set of algebra tiles represent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABiCAYAAABqHaQ/AAAIgElEQVR4nO3dT2icd2LG8eedkStH6tYJrRRbG2xqh+7a0IUkOE1pLy0E7F5akAm+9uQemp4ChSXnJb75UrIUFkIoZWlQehUxJemK4thhbZpu5G6L01ptLVdyIke2/CfWO28PpoIladfCv3c0s/P5gA8ziPf7GoTnYZj5uWqapgkAAFBEZ6dvAAAAfpEY2AAAUJCBDQAABRnYAABQkIENAAAFGdgAAFDQ2E7fAPxf6pW5NBuXi1+3mjyc7vSsnp7eCPcA2lT97znYF1f... | [
"6x=30",
"3x=30",
"5x=30",
"8x=24"
] | null | 2 |
math | calculus | determine-continuity-on-an-interval-using-graphs | false | true | Is the function f(x) continuous on the open interval ( – 5,5)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAAB/wklEQVR4nO3deXxV9Z0//tfds+8rgQTCpiAJO4RNEBQURcEFtZuttbVT7WinnfprO51vO47jTG2tjlq7OC4dO1YUXMCAICCYAIEAgQSEECD7drPc3P2ce8/5/RGTEtkSOJ+ce5PX8/HwIbm5551Xzufec9/3k889x6CqqgoiIiIiItKEUe8ARERERERDCRtsIiIiIiINscEmIiIiItIQG2wi6mP79u0YPXo0Vq5cCQC47bbbsGHDhgveV5ZlzJ07F3v37h3MiERERCH... | [
"yes",
"no"
] | null | 1 |
math | grade-4 | compare-fractions-with-like-numerators-or-denominators-using-models | false | true | Which fraction is greater? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC5CAYAAAAS5EjTAAAIIklEQVR4nO3cP0jV/R7A8c8xB3kMl1uD0eASB0RwEglCcaqpIXEIGlyEpgYdrqNnqrtEBCFE0BQXFBrUtRqK/gwGDy6Cg6sQd4lT+If43eFmPA9PF83nc87vHM/rBWfQ86s+HD/Q268/T6UoiiIAAIAUXWUPAAAAp4nABgCARAIbAAASCWwAAEgksP/g5cuXcefOnejt7Y3z58+XPQ5tbG9vL+bn52N4eDj6+vpibGws3r59W/ZYAEATVLyLyP98+/Yturu7f3x87ty... | [
"2/12",
"1/12"
] | null | 0 |
math | grade-8 | identify-alternate-interior-and-alternate-exterior-angles | false | true | \line{QS} and \line{TV} are parallel lines. Which angles are alternate interior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAAg4ElEQVR4nO3de3TT9eH/8VcSCSSoQcOKUquN7ZQTZS03aRmj7bwcK04bz9yZ1EnVOi8n2nrOpszNUb7nqNNtx6BU8AgSOFKPRz2Nxwt4XKVFF4OknEC16iwQiuOScWlEQcC2vz889DfGRSFpP03yfJyTc+TzKe/3C485vM7b9+fzNvX29vYKAAAAQFKYjQ4AAAAApBMKNgAAAJBEFGwAAAAgiSjYAAAAQBKlVMH2+XxasmRJv4y9ceNGmUymvo/ZbNa5556rG264QR9... | [
"\\angle{QRU} and \\angle{TUR}",
"\\angle{QRU} and \\angle{VUW}",
"\\angle{QRU} and \\angle{VUR}",
"\\angle{QRU} and \\angle{SRP}"
] | null | 2 |
science | grade-5 | animal-adaptations-feet-and-limbs | true | true | Great egrets live near marshes, rivers, and lakes. They eat fish, frogs, insects, and small reptiles that live in shallow water. Great egrets hunt their prey by walking through water, or wading.
The great egret's legs are adapted for wading. They are lightweight and keep the bird's body above the water. Which animal's ... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOydeZwUxfnGv1XdM7MHu8uNICAKAioioniAnIpKVLzwQLzAK+IJatD8Eo1ivPCIIsEjGu9o8Ih3BDVRjiiKSPAGQUQFQVBgjzm6q35/VHdPz7HLoqskph8/IzN9VFVX1cw+71vP+5bQWmvHcVBKESFChAgRIkSIECFChP9OSCmxbRuRyWR0RO4jRIgQIUKECBEiRPjvh5QSGZH7CBEiRIgQIUKECBF+HlBKIbd2IyJEiBAhQoQIESJEiNB0iAh+hAgRIkS... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOydd5xVxdnHvzPn3LJ9WWDpvSMqoCiKDewNSzC2GFtiojG2aNS876sxJibGqEmMicbEWILRYDSKFVtUQEUBEVCkdxaWZdl+yzkz7x+n3HPLLotiTDk/P9e995w5M3Nm5hzm9zy/eUZorbVlWSilCBEiRIgQIUKECBEixL8npJSYpokQ4suuSogQ/5GQIXEOESJEiBAhQoQIEeLfH0opLMv6sqsRIsR/LGRInEOECBEiRIgQIUKE+M9AOLcPEeKLg/y... | 1 |
math | kindergarten | spheres | true | false | Which shape is a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJ8AAACfCAYAAADnGwvgAAASP0lEQVR4nO2dbVQUV5rH/9VCd9PQdGODgARsVEASPLYm0Yi44CaTGY2smpcxO/NBnJeTOXvWxJnZL5ucOTM5e+Ls2XPcSWJ2c7K7J+KXGc1GjcETd2bjBNa3jEmkHcnIW6CVoB0BaWhsoHmp/VDd1VVNI11FV9Vt6v6+UNy+desp+qHufV7uUwzLsqw3CHQGAP8UMMmCQlGEFAawLgJKLECuEWC84yx7eVhrsSh6Y0MmkNIR4H7JNwJl6ZxmUihK4J8C2u4Bt4N... | 1 |
math | grade-1 | which-bar-graph-is-correct | true | false |
Betty looked in the backyard shed and found nine rakes. She found fewer garbage cans and ladders than rakes. Betty made a bar graph of the items she found. Which is her bar graph? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAbkAAAEOCAYAAAAUm2nlAABKTklEQVR4nO3de3hU1b3w8e/at5nJ5J4QQgLIRUAUL8hFLoIggvVaW7V6qlWPtkqrh77nPfXS921PPVRP7eljbe3p0dbTWi3ta09ba8Fq1dKqoA+oiIqK3DH3eyaZyUxmZl/ePyYZiIhSSWbI5Pd5Hp9kZs/e+7dD3L+stddaP+V5nteUgN1RCDtgewghhBDDkqGgQIcpeTDaAtUU97xXurMdlhBCCDG4zigEY1c09WKMBdOCqQwohBBCDEdhB3b0QGMCdkZB67Z... | 0 |
science | grade-5 | compare-magnitudes-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different shapes. | "iVBORw0KGgoAAAANSUhEUgAAAg4AAACBCAYAAACowjIdAAAbfElEQVR4nO3deXgUZb4v8G8v6e4sZE8gIYFsQCSJA4ggEGUVDiIEMCgKIsqIehX1zPFevSPjdS7DKKOPylGBcZAR5IgOF9kZxzNKGBYByWhYAiEBspAFyNJNlu5Oerl/IJlEslSSqn6709/P8/AIleqqb5dVb371vrWonE6nE0REREQSqEUHICIiIs/BwsHL/Pjjj1CpVK3+6HQ6JCcn45VXXkFdXV2XlpeZmYkpU6Z0K8upU6eQnJyM4ODgbn2eiOTjLm1Dbm4uZs2... | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is smaller in Pair 2.",
"The magnitude of the magnetic force is smaller in Pair 1."
] | null | 2 |
math | grade-2 | select-figures-with-a-given-area | true | false | Which shape has an area of 4 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAKQAAACGCAYAAABT0SF8AAACtUlEQVR4nO3cP4sVVxzG8Wfu/imMZjuDLyArJIWkEvLCTGWjVd6YhY2kSGDX9NmU7uqC615OimFBCSSNc+eB+/lUMwyc34H5cphqpjHGuLhJ/rxOrrbJ7QjszOGUPDhIvr+XfHecTBcfx3h9ufa2IHn6bXL49nq+eXScPP5mrhV25WqbnH1I/rpJzq+TzeXt/ECMrOHBwdxekrzfJpvtZw9gDXftfRrJZt2twJcESRVBUkWQVBEkVQRJFUFSRZBUESRVBEkVQVJ... | 0 |
math | grade-3 | identify-multiplication-expressions-for-equal-groups | false | true | Which expression describes the model? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACHCAYAAAAslC4OAAAfLElEQVR4nO3dO3fjyJ0F8AuQIEXwJVJsiWq9ehzNTOzU9nfwpjux9zOsHTu0440dd2zHjmdiZ269KFJPkuL7BW5AEwIgiiTAAlkA7u8cndPollg1wvUf5QJQpUyn0ymIiIiIiEgIddcdICIiIiIKEw6wiYiIiIgE4gCbiIiIiEggDrCJiIiIiATiAJuIiIiISCAOsImIiIiIBIrvugN+MgwDo9HI/BoOhxiNRphMJphOpzAMA4ZhmH8GAFVVoSgKVFU1/xyLxaBpGhK... | [
"7×3",
"3×5"
] | null | 1 |
math | algebra-2 | find-inverse-functions-and-relations | false | true | The graph below shows a function. Is its inverse also a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABo+klEQVR4nO3de3QU550m/qfVV91bSOiCQMIYkCMsgTEXC4ONB8d27MQJZLI4mVw8k5lZZ+Mkmz07e7JzsjmTHB9v5swkM/HaiZPZrO3MLzuZeGM7MVgQbDBgydxkEEhgkAW6Ibqllrpbfa1LV/3+ECUjEKYb6qXV3c/nH1tC/eirequrv/32W1UWXdd1EBERERGRKfLSXQARERERUTZhg01EREREZCI22EREREREJmKDTURERERkIjbYRDTNv/3bv6GtrW3qa1VV8dR... | [
"yes",
"no"
] | null | 1 |
math | grade-7 | transversals-of-parallel-lines-name-angle-pairs | false | true | \line{PR} and \line{SU} are parallel lines. Which angles are vertical angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAAgvUlEQVR4nO3de1DVZeLH8c+BgD1lXFYqEwzJa4R4TBK8/AR2THG6CM16tyR3mqRxE2W7rDZp02i5s+qp3VF2xvLY5h/IblCxU2kmVt4Q9OSVsvSksItCQmqdNTrw+8OVyRQtzhe+nHPer5kzk+cLz/Ox8Tt+/PI8z7G0tLS0CAAAAIAhgswOAAAAAPgTCjYAAABgIAo2AAAAYCAKNgAAAGAgCjZ8XktLiwoLC5WZmamePXsqNDRUcXFxmjNnjr7++usOm9dut8vhcHT... | [
"\\angle{STV} and \\angle{UTV}",
"\\angle{STV} and \\angle{STQ}",
"\\angle{STV} and \\angle{UTQ}",
"\\angle{STV} and \\angle{PQO}"
] | null | 2 |
engineer | grade-8 | identify-the-experimental-question | false | true | Identify the question that Raymond's experiment can best answer. The passage below describes an experiment. Read the passage and then follow the instructions below. Raymond mixed bacteria into a nutrient-rich liquid where the bacteria could grow. He poured four ounces of the mixture into each of ten glass flasks. In fi... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAEICAYAAAA0p80lAAEAAElEQVR4nOz92ZMl13XmC/62z+5nPnHixDzkhJwwcQApgIIkkppKpSvW1bU2676y/gvK6r1f70s/lHXVe1m9XGsrs3oos6p7S11XJYkiKQqkQIIEQEw5T5Exx5lnn/thu++ITCaQJBIgEiosM7eYT/hx3772Gr7vW+Jf/st/mfKFfWFf2Bf2ObJ/+2//7Wfyfw0Ae7KL47oUSlW8SgmnUMbyXOxCCcOxsa0CURITpdK3uqZLsVikVCrhuiVsp45luti2ja7rpGlKkiQ... | [
"Do more bacteria grow in liquid with cinnamon than in liquid without cinnamon?",
"Does temperature affect how much bacteria can grow in liquid?"
] | null | 0 |
math | precalculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed line is a vertical asymptote. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AAB6N0lEQVR4nO3de3yU9Z03/M8150km54QkBBJEBA0CCoKiIFqtUmndgvXW7va43T5t75527919bPvq0+e+92bb7qHt013btXtvV+3a3ba09iRGxYKCQUQCBAiIGCQkhBwmmUzmeJ2fPyYzEEhgkly/OeXz7qsvzOSaT76EmWu+85vf9ftJpmmaICIiIiIiS9iyXQARERERUSFhg01EREREZCE22EREREREFmKDTTSL7Ny5EwsWLMCmTZuyXQoREVHBkniRI9Hsce+99+K... | [
"$\\lim _{x \\rightarrow 6^{-}} f(x)=\\infty$",
"$\\lim _{x \\rightarrow 6^{-}} f(x)=-\\infty$"
] | null | 1 |
math | grade-2 | more-less-and-equally-likely | false | true | On which color is the spinner more likely to land? | "iVBORw0KGgoAAAANSUhEUgAAAXQAAABkCAYAAACWwst8AAAQVElEQVR4nO3deXRUVYIG8C+QhFQW6lUWCEuFkIQlZoN62RBRCHFERRYdIRVAhGmH09PNKNOC0qNi232ODHTrdDvTffooOkOThXN6bNBz5ozKEtDp0FCvIJCAQBIiQRyyUK9IQigCyfyB0GIqoSp5S1Xl+/2XquTdr/75uNx6796gnp6eHhARkd8bpncAIiJSBgudiChAsNCJiAJEsN4BBqKj4ypkpwzZIcMhy3DKMgDAKAgwCQIEkwDBKCAiIlzfoEREGgry5S9Fm5u... | [
"blue",
"white",
"neither; white and blue are equally likely"
] | null | 1 |
math | grade-4 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACmCAYAAADgZPidAAAhf0lEQVR4nO3de1xVdb7/8RebqxeUgtR0zPJ+hsypIyMwYDtx0Ak8jpdQNIyFdkanmfSn3TTNS5naOAU1mXNOBkWOZoONo45AbkRFtHAyNLzVkMmIRqIoyE323r8/5sSZZjqNlw0L2O/n4+Efrr339/Peyh9v1uO71vJwOp1ORERERETEJSxmBxARERERaUtUsEVEREREXEgFW0RERETEhVSwRURERERcSAVbRERERMSFVLBFRERERFxIBVtERERExIVUsEVEREREXEg... | [
"right",
"acute",
"obtuse"
] | null | 2 |
math | grade-1 | compare-size-weight-and-capacity | true | false |
Which nail is longer? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANwAAABUCAYAAADpuVk0AAAKdElEQVR4nO3dW2xb9R3A8e85x+c4lzbOvRBwCQ+jSIlAWhEIRwgJmNSg8VAxrX1ATNPU7omL1HR7Yg90LwyQSic0kWqCMqamYxVtWJqMjVFWxR2IgjoakpaWtnFTp21utnO1k3gP5/gkblxRH584jff7SEeWz0n8/7/89Pvfj5JMJpODcTg7CbE5mE0ihHCJR4G1GvygBNYZoAzOJJOfR1e6WkIUvofKwPPtpPnldgM2lJrRKIRwR2wOTk9AOA5nJkGNzpoPJNi... | 0 |
science | grade-6 | compare-magnitudes-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different shapes. | "iVBORw0KGgoAAAANSUhEUgAAArwAAACtCAYAAABSr6xUAAAojklEQVR4nO3deXhU5dk/8O/MJJPJTJLJhOwJIWDYt9gQNkEhkcUVWsUNtVpff63rq7V9ra/aXv1Z35+lLm0p1NcNbRVfRQGhoq8bClgSskOQJQQCZCEJWSaZyUySWX5/YFKWkEySOfOcc+b7uS6vi0zOnHNPxrnve855zvNovF6vF0REREREKqUVHQARERERkZTY8NIFli9fDo1Gc85/cXFxyM3NxY4dOwa1r/Lycmg0GuzatWvQcbjdbjz11FPQarX44x//OOjnExE... | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs."
] | null | 1 |
math | grade-6 | classify-triangles | false | true | Is this triangle isosceles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADOCAYAAAAEw3WqAAAppElEQVR4nO3da1hVdf7+8XvDFkFQ8YApOqIhFIVH0BpD8wSaeYK0GjuZU4QdPGaaOZaH1NRsKtPGUau/5TiVe3vISX+ilVFTjvzKsqgYGmEMnHAEBVGO+//AfvvS0jztvb97w/t1XT5wfRdr3Xb14L4+rPVdFofD4RAAAAAAl/AzHQAAAACoTSjYbrJlyxYFBQVp/fr1pqMAAADAgyw8IuIeERERysvLU+vWrXXw4EHTcQAAAOAhTLDdYNasWcrLy5Mk/fDDD1q9erX... | [
"no",
"yes"
] | null | 0 |
math | kindergarten | addition-sentences-up-to-5-which-model-matches | true | false | Which shows 3+2=5? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARIAAABKCAYAAAB3ndsNAAAMS0lEQVR4nO2dW4xcZ33Af+c2MzsXr8na3ti7JuuNbRzIxcVYbvKQYsmxxAMPKXJFpDxRCaggSLRVH3mrBAIRCSrEWyuBCLRqH6AXkUKTFglQIhcIKSm25V3hS3a9nuDduZ7rx8PZ2Ys9Gc/tOzNz9P9Jq9ndc853zm/3+/7nO9/5LoZSSq14cKUOlRAChSAIQkdsA0oWHMvDbAaMFVep1zZGfVmCIEwqZ/aAfbke/3AwA+8rxFFGEAShE5UQfluDtz24VAdzI4g... | 0 |
math | grade-6 | identify-trapezoids | false | true | Is this polygon a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACcCAYAAABFhdxWAAAZv0lEQVR4nO3da3xU5b328WvNJMPkQBJCIIYgBQQLiAQMMSCg0T5qHy0W1G2pPk+Fuiu2nre7aosKHmg9PoDabu2zPdRd3Vax4BZt1S0iYJGTnJHKUSSJhEAgBzIkmVn7xZCVjHjIYWbumcnv+4b/vYC1rg8fXlyflbXuZdm2bQsAAABAWLhMBwAAAAASCQUbAAAACCMKNgAAABBGFGwAAAAgjCjYHbVypVRTYzoFAAAAYgwFu6OuuUbKzpauv56iDQAAAAcFu6MmTZJ... | [
"yes",
"no"
] | null | 1 |
science | grade-3 | animal-adaptations-beaks-mouths-and-necks | true | true | Cougars are carnivores, or meat eaters. They eat mammals such as deer and rabbits. The cougar's mouth is adapted to tear through meat. Which animal's mouth is also adapted to tear through meat? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOy9eZwdRbn//66q7j7LzJzZs0z2lWwEEhJW2VEgYkQBMYKyiAuICwiyKHoRvXJBAUUQFFERty9eVLjIJaKyGUIghLAFQvY9sy9nztLdVfX7o84cEiAwYIDf1fN+vQYyc/qcru6u7vPUU5/6PMJaa+M4xhhDhQoVKlSoUKFChQoV/m8ipcTzPEQURbYS3FeoUKFChQoVKlSo8H8fKSWyEtxXqFChQoUKFSpUqPCvgTEG+W43okKFChUqVKhQoUKFCruPSoB... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOy9d7xlVXn//15r7b1Pv73Pnd4LvSqCIhoQEVFRgxALscQaNRIUS2KIkWhEEsXoT8Ve8iIhURMNiMaCCEMZehmmlzszt9/Tz957rfX7Y+1z5g5FBkX5fvM9n9frvmbuKXuvc/ba667P83yezyOstTaOY4wxtNFGG2200UYbbbTRRhv/d0JKied5CCGe6aG00cb/Ssg2cW6jjTbaaKONNtpoo43/+2GMIY7jZ3oYbbTxvxayTZzbaKONNtpoo4022mj... | 0 |
math | pre-k | addition-sentences-up-to-10-what-does-the-model-show | false | true | Which addition sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABUCAYAAAC4PkCPAAAPv0lEQVR4nO3dW4wcV17H8d+pS997ZjyOx5dEWd9wLngTLyGCJCiQXbQPKPvAsiJPAYEWJLQS7PIGAiQEQjyAQCDxwEogIBKIBxDKPqF9QJE24cVOdgNZb27rhMSOZ2J7pi/T05eqw0NN2+N4PPGMq051V38/UstJu6fO+ami1H9On4ux1loBAAAASIWXdwcAAACAIqHABgAAAFJEgQ0AAACkiAIbAAAASBEFNgAAAJAiCmwAAAAgRRTYAAAAQIoosAEAAIAUUWADAAA... | [
"5+1=6",
"3+3=6"
] | null | 0 |
math | calculus | domain-and-range | false | true | What is the domain of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABlEElEQVR4nO3dfZRU9YHm8ae6Xvr9jW7oRrBBRDBgN4qighB1IOpoYgKJg5oXdd0kzo5JNufs7HHnzGRn5rhuzsxk5oxrMtnsZn2Zk0wmTtSMYEswoBCIIK000Ci2LTQ02C9Fv9X7rap79w9SHRoa6Yb76+rq/n7O8Xi66PvUr++t+t2nbt265XEcxxEAAAAAV+RlewAAAADAZELBBgAAAFxEwQYAAABcRMEGMMysWbO0c+fOoZ8PHz6s6dOnq729PYujAgAgd1CwAQz... | [
"$\\{x \\mid x \\leq 0\\}$",
"$\\{x \\mid x<0\\}$",
"all real numbers",
"$\\{x \\mid x>0\\}$"
] | null | 2 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADJCAYAAAAZxkUSAAAaM0lEQVR4nO3deZRV5Znv8e+pKooZCxkEnBWVaOzWtEM7JWJM6zUxUeKASMDGASVxiJpWk6xlvDet7XWIU6uAECcMSEC6NbZ2DCRGb2xJRztOqBGJKCAWUjJVUdO5fxyK92wGqaqzT+0zfD9rudb77Jyz63EZl7962c9+U+l0Oo0kSZKkWFQk3YAkSZJUSgzYkiRJUowM2JIkSVKMDNiSJElSjAzYkiRJUowM2JIkSVKMDNiSJElSjAzYpeCj1+CBs+Glh5PuRJIkqex... | [
"1 pair",
"no pairs",
"2 pairs"
] | null | 1 |
science | grade-3 | 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? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAYQUlEQVR4nO3deXwdZ33v8c8zM2fTZsnaLNuyHTt25Nix4WaFAG22lgQCDSHcF6Q3vNrSNr0UaG6X8ALa0Bba2wR6oaQLLTR9JYSylCaBBIeSlABZvZDY8SI78iJbtjZrP0dnm5nn/jFzRpJ1bMu2pDOSfu/XKy/H5+hY55znme8885tn5lFaa40QQgBGqd+AECI8JBCEEAEJBCFEQAJBCBGQQBBCBCQQhBABCQQhREACQQgRkEAQQgQkEIQQAQkEIURAAkEIEZBAEEI... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAi70lEQVR4nO3de3RcZ33u8e+794xmRhdLtizLdztxnDixiUlzhUAbEtIWaGiBQgu0YbXltPRwKIe2FBbQQsulJUAXbWl7egrlrEBogdIQkuBwSQmQCzgxiRNf5EscK75JtmTJus1t7/2eP/aMJMuyPHakPXtGz2ctLyW6jLb0vvPot9/92+8YwCIiAlhr6SnA/jEY9sFTOojILEkYaHFhfSN0NoBBBYiIlPTkLVuHqn0UIlLvrl8AiWofhIjEx76x8O2yBrisKTx... | 1 |
math | kindergarten | subtraction-sentences-up-to-5-what-does-the-model-show | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAAAyCAYAAACqNX6+AAAIIElEQVR4nO2c3U9b5x3HP+fVNjiAwSEQEkjSEpqmQQnJWLysmzLtJduqcbF0YopUMWmXu5s2af/ALnezVZu0tcrFoildX5StSzU1U7YlgsESwto0BJo3SAnEBDs2NvjY52UXxjbUr7z7RHxvOM/x8/j5ffT1ed4PgmVZFlsqG4mbHcCWlmrLkDLTliFlpryGjN65v5FxlKSVxGQ3DjnXzbPn3qFvYBBfZwc9Z76/boEtRyuJyY4cWU/IyKf36BsYBKBvYJCz595Z/yi... | [
"1 − 1 = 0",
"3 − 3 = 0",
"3 − 2 = 1",
"2 − 2 = 0"
] | null | 3 |
math | kindergarten | fewer-and-more-up-to-20 | true | false |
Which group has fewer? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVwAAABOCAYAAABsf64IAAACc0lEQVR4nO3YP25cVRjG4feO7SlCAk0AUUCHoaLNKtgA62AZrIMFhF2kTJU/VDQYOZWdWIrx6FBcWUqFrOTed8jwPM3M1ZU+nW+Kn45mGmOMs+vk96vkcpfcjACwgOMpeXCUfHsv+XKbTGdvx3hyse9jARy2R58mxy+v5oevtsl3n8w1BuDDXe6S52+SP6+TF1fJ5uJmfiG2AMt6cDS3NUle75LN7p0XACzrtq1/j2Sz36MA/H8ILkCJ4AKUCC5AieAClAguQIn... | 0 |
math | grade-7 | identify-equivalent-linear-expressions-using-algebra-tiles | false | true | These tiles represent the expression 5(x+4). Which expression is equivalent to 5(x+4)? | "iVBORw0KGgoAAAANSUhEUgAAAf4AAABoCAYAAAAQJ5LPAAAJbklEQVR4nO3dQWxU1xWH8f+bGdeUsWOnjgeIXSigKLWdVLVTGykLFKEiJekq8iYLRDeoqpRa7cJsIrrxAsSOjReRaHZVA4rFilYq9YZKRTKVaVJhtzIgjwL2dExqyTDGFn7zuiACnDE08dznOW/u99sxSPfc+EM6Y/vZCaIoigQAALyQqvUFAADA1mHxAwDgERY/AAAeYfEDAOARFj8AAB5h8QMA4BEWPwAAHmHxAwDgERY/AAAeyTzvLycXLml++Zbzobu271Nf++G... | [
"5x+20",
"5x+9",
"x+9",
"5x+4"
] | null | 0 |
science | grade-3 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAAEAAElEQVR4nOz9eZhl91nfi37WPOx575qHrp4ldasld2tWa7Ity8bM4HgimHAhAcI5QMLBDMbk5oTDc0huLvfkeZJ7D9xLgANmCLEJtmRbtiwktaSW1OpWz3N3VddctWvPe695rfvHb3UJHhIgRFJrWJ/naVWVau291169quv7e3/f9/tKSZIkAK7rsry8TKfTIQxDMjJuNKqqUiwWGR8fxzTNN/W1svs/4+1Gdv9nvJd5K+//jIx3I1KSJInjOFy+fJmZmRlM00TTtBt... | [
"rough",
"slippery",
"shiny"
] | null | 0 |
science | grade-8 | classify-elementary-substances-and-compounds-using-models | false | true | Complete the statement. Methane is The model below represents a molecule of methane. Methane is the main component of natural gas, which is used in homes for heating and cooking. | "iVBORw0KGgoAAAANSUhEUgAAAUgAAADsCAYAAAAW7j9/AABKoklEQVR4nO29WWwk133v/62qXtjNncNlhjPkaFaNNIszY1mypNix4iX3xrZk3SS2JOfmPtgIEiCAn/IWwPBLENx/gAAxAieOlQfbiWNfR5Ejb4Asy1ZsyZGj0Tb7aEaa0QzJ4d5Nsveq8384feosVdVskt1k9/D3AYjurq6tm9Xf+m3ndyzGGANBEAQRwN7qEyAIgmhVSCAJgiAiIIEkCIKIgASSIAgiAhJIgiCICEggCYIgIiCBJAiCiIAEkiAIIgISSIIgiAhIIAm... | [
"an elementary substance",
"a compound"
] | null | 1 |
math | algebra-1 | match-exponential-functions-and-graphs-ii | true | false | Which graph matches this equation?
\[ y=2\left(\frac{1}{2}\right)^{x}-4 \] | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVUAAAE1CAYAAABX+HN0AAAdE0lEQVR4nO3df3BU9b3/8dduEhISQqKQhGolRnpLys9AOiS0XiN0KGBhRnAKlrEtROyFgrdzL9654AyNTlvFjvJHL1ex/qRjpagwXoMiaA1TnSZQYpYW/AYoECmYXwIbQkI2yWa/f2x3yZIASfhszjnJ8zHjuOfsOefzTg772vPr84krEAgEalqlvzdLjX6pPSAAQA/FuqTkGOlfEqWMIZKrxhcI7L9gdVkA4Hx5w6XYY83Bia8MkcYmBRMXANAzjX7pSJNU3So... | 3 |
math | grade-1 | even-or-odd | false | true | Is the number of birds even or odd? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAClCAYAAABm8IozAAATaElEQVR4nO3de3BU1QHH8V9IFkjibmIgJORhgk8CRNEo1Ae2xbQ+BkuNz8ooQ6tO8VWnjJbSsf84gNV2xscgDmrVmaIDNYY/6tgZSqtGAsShVvLCBAmQhxTYkN0lxA2bpH9kJpoqcELO3nsJ389fJPfcM2d//9wfZ2/uTejv7+8XAAAAACvGuL0AAAAAYDShYAMAAAAWUbABAAAAiyjYAAAAgEUUbAAAAMAiCjYAAABgEQUbAAAAsIiCDQAAAFhEwQYAAAAsomADAAA... | [
"even",
"odd"
] | null | 1 |
science | grade-6 | identify-how-particle-motion-affects-temperature-and-pressure | false | true | The diagrams below show two pure samples of gas in identical closed, rigid containers. Each colored ball represents one gas particle. Both samples have the same number of particles. Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | "iVBORw0KGgoAAAANSUhEUgAAAmwAAAGZCAYAAAA0Im0SAAB+wElEQVR4nO3de1yUdfo//tfMMMMwzAAyCHLyDGOaYg4es0TdyhKs3dYtsYN9K+m4W0HtbluJW1u7m1if7Qj2K7NCK3drBautTDp5qEHBYwOeQRAEBAYYGGZ4//4Y55bhOMCceM/1fGQw99yH6x7h8rrv9+EWMcYYfFhtbQ1OnTqNtrZWiEQiT4dDCABAKpUiPDwCo0eP9nQohGOU/4g3ovzXMz9PB+BJHR0dqKysBGMdkMlkng6HEDu1tTWIjIyEVCr1dCiEQ5T/iDe... | [
"neither; the samples have the same temperature",
"sample A",
"sample B"
] | null | 2 |
math | grade-6 | model-and-solve-equations-using-algebra-tiles | true | false | Which set of algebra tiles represents the equation x+1=9? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPUAAAB6CAYAAABnVxVoAAAHV0lEQVR4nO3db2wT9x3H8Y/PdgIxBNBMSFI6NLKVwrSpBFVQdU+2ColOajcpXdU+nDSpfdDtEdpUaXvctY+QpsrTpE0ITeu2llZqNSkjmtjKupBOhLYrUMpCB6U4f9wGnDghf+5uD9wwqnaV7dwvd/7m/ZJQsOPz58dJHyV3h++bCsMwHJ2X/j0jTfnSYigATSSTktanpa+0SVtapNToXBi+Xo57WQCisLddylyYqT7oapF25KqNB9A8pnzpfEUqzkvvzkheebH... | 3 |
math | grade-1 | which-tally-chart-is-correct | true | true | Scott chopped these foods to make a pizza. Which tally chart shows the right number of each food? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAABXcElEQVR4nO39eZRcd33n/z/vfmvr6m61uiVZS0uyJVmyLIEMGPAi2xCWTLAhBI6DJ2Y4X4aYJZDws8OSYfkqTALJ2CbfBDsYbMgMzoIJ8mECYbBjQ2LLYBuEGEs2loU2S2q1pFYvtd669/7+aLdQq7fq7uqu6tbrcY4P6lt1674LS9arbr0/n7cRx3GMiIiIiIjUhFnvAkRERERE5hMFbBERERGRGlLAFhERERGpIQVsEREREZEaUsAWEREREakhBWwRERERkRpSwBY... | null | [
"iVBORw0KGgoAAAANSUhEUgAABFcAAAEOCAYAAABM5/hlAACe3ElEQVR4nOzdeXhU5fn/8fdZZ88kISQhLAmLgOyKuCPgWq0LWrVqqdpFrUu/avvVqq1Li7b1a+tutbXVLuqvrdri2talIiq4oYAKqIAEEAgJ2TP7Oef3x5BAmEkyWScJ9+u6vDBnznJPMoQ5n3me+1Ecx3EQQgghhBBC9AhFUbJdghBCiD6mZrsAIYQQQgghhBBCiIFMwhUhhBBCCCGEEEKIbpBwRQghhBBCCCGEEKIbJFwRQgghhBBCCCGE6AYJV4QQQgghhBB... | 1 |
math | grade-3 | match-fractions-to-models-halves-thirds-and-fourths | true | false | Which figure shows fourths? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIIAAAB8CAYAAAClm2iUAAA240lEQVR4nO2dd3hc5Zn2f6dPn9GoS1a1LVvuvWBjU03vIZRAIFkSdjfly+71ZTfsl2zY9GR30zdtswmbUJJQg4EABmzcABsXuchNkmX1Lo2mz2nfH8eSLdkEbMvYYN/XxYXG55z3POfMPc/7vE97Bdu27Y4M1CUgaoJhcx7nAGQB/BJM9EC+CkJH2rY3DZ5psc7jTGJhAOQDCedDoQqTvA5LzuPDj6gJ++LQnoH9CRAHDefAeRKcW/BLzncOEDNBNI86cB7nFoa... | 1 |
math | grade-1 | equal-sides | true | false | Which shape has 4 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAEw0lEQVR4nO3dPWtbZxjG8Ut+K02TZugbrde0/Qgp9DO09Ds0GOrNm3fPxiFDvbgh4FXNkAx1Zg0Fq8Jgg8CKUTDGyEXBINlWkOWj00Gc0jZNa0Xn3M/znPP/TTFGyT38sacrTymO4/jkUjroSWeRdBULmNhMSbo1LX1+Q/pkTiqd9ON4u+v6LOTZ3felmee90RefzklfvjeqEJjUWSTtX0itS6nRk6a6V6NvEBnSdGt61JQknUfSVPSXbwBpSpoaxNKU21NQFIQ... | 1 |
math | grade-2 | which-bar-graph-is-correct | true | false |
Philip asked eight people to vote for their favorite zoo animal. More voted for lions than voted for giraffes. Three voted for giraffes. Philip made a bar graph of the results. Which is his bar graph? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVMAAAEOCAYAAAA0W/RdAABAG0lEQVR4nO3deZxcdZ3v/1fta9fW1fvenc6+kT0QEiRsCbI8SHRARQWXGY3jhXvB/OaOiqMOM9w7OKA4yMNxAL1cGWXmyiJBRtCwZSEhIZ2l00l6X2tfT+1Vvz8ae2QgC1Kp6iSf5+PBw66q8z3n862Hedf3bN+jKhQKhfE0HFcgmoNsASGEEKehVUGFBjrNUKMH1XiqUNgdKXdZQghx7lppA+0xZfJFnR5mWSaTVgghxKlFc3A0DmNp6FFAHclOfiBBKoQQZ65... | 0 |
math | grade-6 | front-side-and-top-view | true | true | If you look at this object from the front, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFXCAYAAACY3TmVAABcdElEQVR4nO3de1yUdfo//tc4CKggY+mKYg7IQtKWoP3Sh9o6qImb7nLQLf2uisdq47MpSIetXQWi2k+5yKifsBJTsfaLloru6mfzxEB4SFuc0QoPKAOmwDeLUVCG4/z+GLjjLDAz3HMPr+c/xenmctt97Ot+d72vS2YymUwgIiIiIiKr6CN2AUREREREjoQBm4iIiIjIihiwiYiIiIisiAGbiIiIiMiKGLCJHIzBYMDSpUshk8mQkJAAg8EgdklERES9ioxTRIgcx4Y... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA3gAAAFXCAYAAADwC+yEAABmKklEQVR4nO3dfViUddo//jcOAio4Y+qCYg7IQtK9CdqdHmo5qImb3suDbulvTdC02thNGenhrk2BqHbLRUbdsFZIxOqLloru6m4+MRA+pC3OaIUiyoApcGcxyijD4/z+GLgSBQRmhosZ3q/j6LAZhmtOEot353l9TieTyWQCERERERFZhZOTk9glUB/WT+wCiIiIiIiIyDoY8IiIiIiIiBwEAx4REREREZGDYMAjIiIiIiJyEAx4RA5Gr9dj6dKlcHJyQmJiIvR... | 0 |
math | grade-3 | acute-obtuse-and-right-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACqCAYAAACXpjjmAAAPxUlEQVR4nO3da3DV9ZkH8OecJBJQKiBKZZCiMhAICaWmRtF4hVpTK9paK14Bb4hyDSIVCUFc0cqAgJZ6W0AuS3d2Z0dnqjtTZnVkdYdW16VWxFlnVscplrIKriCsCtkX3ZyNXag58A/nnJzPZyYvSP455wnDiy/P/PL7ppqbm5sDAABIRDrXAwAAQEciYAMAQIIEbAAASJCADQAACRKwAQAgQQI2AAAkSMAGAIAECdgAAJAgARsAABIkYAMAQIIEbAAASJCADQAACRK... | [
"obtuse",
"right",
"acute"
] | 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? | "iVBORw0KGgoAAAANSUhEUgAAAJkAAABmCAYAAADYmDN2AAAQh0lEQVR4nO2de0xT9//GH+621XJtZJy5w7oagTCVeUHn7DK3n7A5o5QML/m6zWUJYJZtSpyCEPeH4Miim9miJIsaNQYXowX/GLDporhF5TJ3IYAR3QoFxGq5l0sv5/eH6xmFgu3puRR6XglJe3r6OW/ap5/7c95+FEVREBHhEH+hAxCZ+YgiE+EcUWQinBModAAizPjxxx9x9epVtLa2Qq/Xo729He3t7QgJCQFBECAIAs8++yyUSiXWrVuHxYsXCxarn9jxnx5YrVZ... | [
"probable",
"impossible",
"unlikely",
"certain"
] | null | 3 |
math | grade-8 | classify-quadrilaterals | false | true | What name best describes this shape? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACSCAYAAAB/j70mAAAXJ0lEQVR4nO3dW5Bc1X3v8d9eu7tnGM21eySIjIDCloUVhNAFWeYiyRI9Aoc4jo9D6tjlVCV2uVzlS+UCqXPqxE92Xuy4nLKxkxCXUxwf+wE7TtlO4ahbEiCDLCRBGC4GIcCAQAhJ3ZoZDaO+7bXOQzcz05KQema6Z3f3fD9PlFZr+icuVf9arPVbnnPOCQAAAEBdmLADAAAAAO2EARsAAACoIwZsAAAAoI4YsAEAAIA6YsAGAAAA6ogBGwAAAKgjBmwAAACgjhiwAQA... | [
"parallelogram",
"trapezoid",
"quadrilateral",
"rhombus"
] | null | 1 |
math | algebra-1 | identify-functions | false | true | Look at this set of ordered pairs: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABaCAYAAACCNCH/AAAUBElEQVR4nO3df0yV9/n/8ec5UkEocFDAgzJ/gFpHCvY4plSheNQGV6Ii2OhUzGZsWaq2WYzW2GrdZraS2KmJnTU0Raar1SOuGn90yixaJToZtUq1SgQ78cDC0RzFTET0/vzhen+/J2p3kCO0zeuR8AfXfb2v93Xz1xVy3/fbYhiGgYiIiIiIBIS1qxsQEREREfkh0YAtIiIiIhJAGrBFRERERALIHLDdbjd2u53NmzcDEB4ejsViue/no48+CmgD27dvJzIykpycnAd... | [
"no",
"yes"
] | null | 0 |
math | grade-1 | am-or-pm | false | true | Rick is going to school this morning. The clock shows: What time is it? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABOx0lEQVR4nO3deXBc5Zkv/u85pzct3dq8S+ANY0tOvCaW2AwTkJlgQuVik8GBWUwGSOo3jJ0KJrcqsVPYzK0Kdi42pCoBLnYyYYAEm9/vJjgECTMzIsaSCfKSuIWJLdu4ZVnIsqSjrZfT5/z+aKmtpZe3N3W39P1Uuazufvv0i9xNP+c9z/s8kmEYBoiIiIiIKCnkdE+AiIiIiGgiYYBNRERERJREDLCJiIiIiJKIATYRERERURIxwCYiIiIiSiJTuidAGcBvAH4DxuD... | [
"9:30 P.M.",
"9:30 A.M."
] | null | 1 |
math | grade-7 | nets-of-three-dimensional-figures | true | true | Which net will make this figure? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAAIgklEQVR4nO2dW2wU1xmAP8AXILZ3mxtg4ws0wTYL7BCHBQyJhwQKVCReU7VBaRubPoQ+RGCqpEJtI61Uqa0aWtlNFCnkAZNWQFoVrwoqqWTEQGqDDS5DsQMOga4va9PQkF3bGLy7s9uHrTdYQHDLzPpAz/fisWf0/+fM53PmzJzRnAmxWCyGRBgmjncBJKORQgRDChEMKUQwUsa7ALdD13WCwSCaphEIBNB1HWDU9p1QFAW73T5qW1VVbDYbiqJYUu67ZYIIoyyfz8e... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUkAAADKCAYAAAAo2bJqAAAnZUlEQVR4nO3de1hU97kv8O9cmQFmuDgDAoNiQcELCFFEJmlEm0TjaSJpqo02anL2Pk17To8g2UK69wPN0x7EnqaFNLZNAmcHk/0kcE7ToEkjhNii3RrGaEO8TIJKhVHRZnkBlqALZsH5Y5yJV26zZq01M++nTx4ol7VehPmymPW+v58CwAiIbIyMjODCIHBqAGB5wEnfHUJEpVYABhUwMxSI1QIKUEjKygVuBAf7pK6CEAIAOUZALXUR5FYnB1wv47RAapjrNxo... | 1 |
math | grade-7 | which-is-the-better-coupon | true | false | Which coupon should Rebecca use to save the most money on a dictionary originally priced at $23.80? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAATwAAADMCAYAAADu4B+rAAA+l0lEQVR4nO2dd3hUVf7/39NrJpmUmfROGiGAlNAEpAhSBBFFRexld+26q666rmUt61dd111/q+7iWlZFqSIIghTpnRAgpBfSezKZTC+/PyYzzGTunZKZSSbkvJ7HR3LaPffOue97yud8DsNsNpubdEC5CugxAgYzCAQC4aqAzQBCWMAoISDnAowmrdl8QjHU1SIQCITAki8B2GUqyx8xXCBTZFFDAoFAuBroMQIlvUCjDihVAUyFwRJBxI5AIFxthLAs2gYASiP... | 0 |
math | grade-5 | mean-find-the-missing-number | false | true | Edna has the following data: If the mean is 12, which number could s be? | "iVBORw0KGgoAAAANSUhEUgAAAXYAAAAkCAYAAACdbxEtAAAHvklEQVR4nO3da3BU9RnH8e9esrvZXAiBJCQQIQQrhJsSgUTYSJWKQJlwMQIplJk0FNNiFQdoK1UpbQcvGQsiSA3VQsutoBShBqVBgRCMFEFAbpZECNCAiRBDsslecvpiixIHyHa6e85hfT7v8t8zeX5znjPP7JzbGhRFUQA8iosmbyMtihdQEEIIcSswYDSYsJnsmA0W34qiKEqzt4HmFqfG4YQQQvw/rEY7VpMdo1dxy1AXQogQ0NzSiEdxY2z2NmqdRQghRIC4vI0... | [
"37",
"7"
] | null | 1 |
math | algebra-1 | identify-linear-and-exponential-functions-from-graphs | false | true | What type of function does this graph show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAETCAYAAAAMFHHvAAAYm0lEQVR4nO3db2zcd30H8M/lnx27bTzASaBV3Wwt8ZqUOErzb2NVU2la0+ZArdamKmioSH2ABE+2aexRhgRFgHiARAqCByAQIDqpKCiZWqnSPE2T7CSc6q5J53RMcYigiUOpXePETlL/9sC98zlxnDv7d/7d2a/Xo7vL53f91Kly7/z6ue8nlyRJEgAAQCqWZd0AAAAsJgI2AACkSMAGAIAUCdgAAJAiAZsZjY2NxdjYWNZtAAA0HAGbGfX19UVfX1/WbQAANBwBmxn... | [
"linear",
"exponential"
] | null | 1 |
science | grade-8 | identify-rocks-and-minerals | false | true | Gneiss has the following properties:
shows a banding pattern
not made by organisms
solid
naturally occurring
no fixed crystal structure
not a pure substance Is gneiss a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAADgt0lEQVR4nOz9Z5Ol6XnnB/4eb473efKkzyzb1dUe6AYBkADJmRHlRi5iN0ah1xux+4E2VqE3K2kjVorQrkY7iiFnMCBAEuhGN9qVr8qs9JnH+/N4sy/uUwfgiOpRBDkCQNUVUdFdWVmVJ/M8131f5m+kNE1TXsfreB1/Y8i/6RfwOl7Hb3O8TpDX8Tq+IV4nyOt4Hd8QrxPkdbyOb4jXCfI6Xsc3xOsEeR2v4xvidYK8jtfxDfE6QV7H6/iGeJ0gr+N1fEO8TpDX8Tq... | [
"rock",
"mineral"
] | null | 0 |
math | grade-3 | identify-rhombuses | false | true | Is this quadrilateral a rhombus? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACxCAYAAAD+t8q+AAAj7klEQVR4nO3deZBd5Znf8d855/a+7xItI4lNCIQWBAKEQEhskrGNnQnD4KopD/a4KrEdKORkYiqpyowZYKocu+IkE0eTYAgZz1BFBiR5ZhASkgAJjEBCQguL0YIW1Orl9t53P+fNH7fV9wp1i77d994+3f39/HXV3ep+Kev4+d233+d9LGOMEQAAAICssCd6AQAAAMBUQsAGAAAAsoiADQAAAGQRARsAAADIIgI2AAAAkEUEbAAAACCLCNgAAABAFk1IwP6vJz1dvSu... | [
"no",
"yes"
] | null | 0 |
math | grade-3 | read-a-thermometer | false | true | What is the temperature? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAeZ0lEQVR4nO3df3Ab533n8Q9+UEocLM1LOx6trOSclITbqx0zS6dJcwlBasaeOYm5k3zTExLHiW8MpZLcScTEkdOTJUui3Dmr19B3M44zJjz+FTd0pyO5Y1DX5pcI5keTVForTdzGAGs7iaRldZMcQ8COZUnk/aEzxzCwIHax4ELy+zWDkfHsfh88/O/r73yf54ksLCwsCAAAAEAg4rUGjx8/rtnZ2cV/3+wGBgbU1dWl3t7esJcCAACANhd5fQX7kUce0T333KPTp0+... | [
"15°C",
"20°C",
"25°C",
"30°C"
] | null | 0 |
math | grade-2 | identify-the-fraction | false | true | What fraction of the shape is orange? | "iVBORw0KGgoAAAANSUhEUgAAARcAAABkCAYAAACsEnQPAAAYgUlEQVR4nO2de3BT55mHnyNZ1sWW8AUbZBzKpRfANEljh9AJl02LabaF7iwYsiGTC7QNzkw3MDutgd102m3YGUPaXcheiDNpSEkDU4KzOzVJGZvdLJe0kNqb0I3tNK0Jm9gSV8uWjCQjpLN/HJ2D5asuR7axv+cvsKRzPg6jn9/vfd/f+0myLMsIBAKBzhjGegECgWBiIsRFIBCkhYyxXoCKHPBy9dWn6G07M6r3tcz/CvkP/RTJ6hjV+woEEx1pPORcAs31dB6ugqC... | [
"1/2",
"1/9",
"1/11",
"1/12"
] | null | 2 |
math | grade-1 | which-picture-graph-is-correct | true | true | Ann was at a café. She saw these sweets. Which picture graph shows the right number of each sweet? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADhCAYAAADyOcJJAABYqUlEQVR4nO3dd5xkVZ338c9NlatzDjPTk4dJwDDk4IgCIoZVENFHVNTHnOOuuCZgH9FVF3fNaV1x2UXUVXRBJIMIzMAkmNATOkznVF25bt3w/FE93dN093SYzvN7v17DdFXde+rcmh+v17dPnXuO4rquixBCCCGEEGJaqHPdASGEEEIIIRYTCdhCCCGEEEJMIwnYQgghhBBCTCMJ2EIIIYQQQkwjCdhCCCGEEEJMIwnYQgghhBBCTCMJ2EIIIYQQQkwjCdhCCCGEEEJ... | null | [
"iVBORw0KGgoAAAANSUhEUgAABGcAAADwCAYAAACt+wmAAACm60lEQVR4nOzdd3xV9f348dc5d6/sPQgBwpAtgqioRRx1t9Zta521ttbRaa1tbeto7XJ0OPqtrb/Wvapoq7gXKiBDZI8QIHvePc74/XFDBknIICEJvJ+PRyT33M/5nM/55I3c885nKICJEEIIIYQQYlCYpkl1HLaEIaCDJp+2hRBC7MWqgM8CZW7ItYOCJGeEEEIIIYQYNNUxk0/8w90KIYQQo8WRKWAd7kYIIYQQQghxMNkcTv6Zb4dJnuRvRoUQQoiOAjpsDEF... | 1 |
math | grade-2 | match-digital-clocks-and-times | true | false | Which clock shows four o'clock? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMIAAAB5CAYAAABr7P6HAAAHyUlEQVR4nO3dQXAT1x3H8a8MOE3qaC8lhQyahkNLwuraMuMTQzFjDr3ERjpD8KUX5LGvyEi+YlueYXKxh1yRY/vQHsyEnJ1OzlrPpOkls56GYi4rJzgGi+1BSCOpxWhXu1ph/T4zDN6x9H+LtD/tQ++93Zjruu7j5/CvZ7BbgQMXkSPveAzePwa/fw9+Owixx/uu+2056t0Sic6FOBz//ll14/QgnPt1NSUiR91uBb77GX58Dv98BgPlg+ovFALpJ+8fqx7zAD9... | 1 |
math | grade-6 | identify-complementary-supplementary-vertical-adjacent-and-congruent-angles | false | true | Which angle is vertical to \angle{4}? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEFCAYAAADZm5BpAAAlw0lEQVR4nO3de3Bb5Z3G8cdRwDIwsinsyilhY7W0ubQCh6E0XaVjey/EXFopu+zEbKE1NGmyZajtzMRg5yYnwc5lhjjtzpJMPGAmnU0yXGJ7B2JTWpQ2LoFliINYcCBbKRsgFtCNoy1rOVlF+0dq1bk4V0nn6Oj7mWHGls7l8cAfD+/8znvyEolEQshK4XBYJSUlRscAAADAKOOMDoBLEw6HVVFRYXQMAAAAnIaCnaU6OjoUDofV0dFhdBQAAACMkseISHYqLi5WJBJ... | [
"\\angle{5}",
"\\angle{3}",
"\\angle{1}",
"\\angle{2}"
] | null | 2 |
math | pre-k | circles-squares-and-triangles | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJAAAACVCAYAAAC3i3MLAAAGO0lEQVR4nO2dwU5bRxSGf0NgkSbtpmrVB2j7CHmKvmfXrRRVIiyyoVJgkQUEU4olKyJ2hCXLECzh2kwXIxSujRnje2fmnDP/t8HGsT2xP8Z3Ptv3tpxzrj8B/h0DVzNg6kDIUp61gJebwM/PgR+3gVb/xrl3l7mHRTTy6lvg2enYn/lpG/j1G28XIcu4mgEn10BvAvwzBjYup/4CykNW4eWmdwUAvsyAjdm9CwhZhTtX/nPARt6hEO1QIFILCkRqQYFILSgQqQU... | 0 |
math | pre-k | spheres | true | false | Which shape is a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAX10lEQVR4nO2dTWwb153Af2+GFCnqw5Iox7Ys+aOOFDSA7SIF1g4WjRsD6cGB00PcW5JTgyzQ3QRtekrby6a7uTRoku4C26Z7WDunTX1YB/Ypa8cusHZ7SCMVSDaSF7Yj2bIjUaIsiRTFmff28DgjUqJl8fvr/S4Uh+TME+fH//zfx7wnlFLq7ipcT8CiC47CYKg7AgK6bBiOwI42EHdTSv35fq2LZTBsnSPdEJhI6Ce72uCxDm21wVBvLLrw5TJMr8J4Aqz7jn7... | 0 |
math | grade-8 | base-plans | true | true | What does this object's base plan look like? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEDCAYAAAAPwnN0AABLfElEQVR4nO3df3TU9Z33/WeMECoxiXSx4WpiJod4l5tsZUJ7RdQgE93qcLc1oQVM6+VhchGtnkKZwdqFvW0zcWnJlkoGjWdZDWboVkVIJbJagrfKUKKhqGRUwqUSdEIQUrTsBEJNEMz9xzBfIUQIZH7zevzVicnMO/V4zvvzyfv7fiX19/f3IyIiIiIiIXFJtAsQEREREUkkarBFREREREJIDbaIiIiISAipwRYRERERCSE12DJsfr+f8vJykpKSqKqqwu/3R7skERE... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA3gAAAEDCAYAAABnFKZlAABbb0lEQVR4nO3df3jU9Z3v/WcaIRRiJuJiw5o0k4twl5usMmF7ImgwEzzFcLdLQuVHtq5lcoxWVygTWrt4VpuJh67ZtZqJxms5bZChpyg/okSKJbgiX0okLCoZlXBEgkwIQoqWnZBQEiTm/mOYqfwQgUzyzQyvx3X1sgnJzCuFXhcvP+/v5x3T29vbi4iIiIiIhEVMTIzZEeQq9jWzA4iIiIiIiEh4qOCJiIiIiIhECRU8ERERERGRKKGCJyIiIiIiEiVU8KTP/H4... | 1 |
math | grade-3 | interpret-line-graphs | false | true | A national trucking company carefully monitored U.S. gas prices throughout the year. In which month did a gallon of gas cost $2? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAGRCAYAAABfbMQ8AAB6nUlEQVR4nO3deXiU5aH+8e9sSWaykpCEkIUdwpawk7DvogiigIKg1aqttj3YnvZnbc/paus59miVWnq0ta3VqpVVliCyg+wECJCwBkgIkAVC9mUms/z+4DA1JShLyJBwf67LS5h5Z957Rgz3PPO8z2PweDweRERERESkURh9HUBEREREpCUx+zqAND9Llizhs88+o1OnTrzwwgv17jt16hSvvPIKAK+99hpBQUENPkdxcTErV67k6NGjlJWVYTAYiIiIoE+fPkyePBm... | [
"August",
"July",
"November",
"October"
] | null | 2 |
math | pre-k | squares | true | false | Which shape is a square? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACc0lEQVR4nO3UO25UQRBA0ZqxxwHfDMQCgJSM/bAwFkREyifHpDZYwnj0CJ6QyPHcEeacqFstlSq46s2yLMv59cznq5nL/czNMvDXTjczD09mnt+beXo2szn/sSzvLo69FnfZ60czp5+u1suzs5mX99cK4W9d7mc+fJ/5cj3z8Wpme3GzPoiM2/TwZG1qZubbfma7/+MBbtPvpn4uM9vjrsL/QmgkhEZCaCSERkJoJIRGQmgkhEZCaCSERkJoJIRGQmgkhEZCaCS... | 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? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AACCTklEQVR4nO39e3Rb5Z0v/r91syzJd8uxHQc7hECCQxLIBZqQBJhQCNB2mlBO6PwKZabTKT3TmbYza86ab0/bddpFmX7XTNtvO7TT9pxOaWnX6gyHwJSLk4YScJoUQkwwxHFCMIkvSWxLtizruvfW3vv3h7KFTZxEsvfjrcv7tRartSJ9/PHe0qOPHj3789h0XddBRERERESmsFudABERERFRMWGBTURERERkIhbYREREREQmYoFNRBlbtmzBM888k/n5t7/9La699lp... | [
"nonlinear",
"linear"
] | null | 0 |
math | kindergarten | times-of-everyday-events | true | false |
Deb is playing games in the afternoon. What time is it?
Choose the more likely time. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAciklEQVR4nO2de3QUVb7vP7uqH0m6OyE8OmEkgCSAyCP4QMcEH6iAOjpnBEfPmaOO59x7HEYva92jIOc64wNfaxRwZh1RdM29sxQcZ5wjMjM6o4DKUiFzBBnSIVGEbl7h0d28knS604+q2vePJk2aBEi/EoT+rMUiXdW1a3d9q3bt/du//fsJKaX0RsEdgoAOmiTPOYRJgEOF0UVQZgHhjUi5sa2/q5WnL7iyGEw7QvEPQy0w1ha/G/KcOwR0+CYIB6OwPQRKmxb... | 1 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.