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-1 | equal-sides | true | false | Which shape has 4 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFIElEQVR4nO3dT08bVxSG8WPApA2kkVqpbRaVukn7EbLrph8cQmABFZtEkaBppKAuTBc2+M948Njj24UVKasW2zPvPXfm+a2CkJUr+zH2HHvudEII4bYw+2tqNi7NFsGAre11zJ7tmr18avbDvlnndhbCxSj2stBkr74x2/swXf3wYt/s14NVhcC2xqXZdWbWK8z+nJrtjBarXxAZqvRsd9WUmdmkNNspv/gFUKXPTc2D2U7cpaAtCA0ShAYJQoMEoUGC0CBBaJA... | 1 |
science | grade-8 | use-punnett-squares-to-calculate-probabilities-of-offspring-types | false | true | This passage describes the ground spot color trait in watermelon plants: Watermelon plants grow with their fruit resting on the ground. Over time, the bottom of each fruit develops a white or yellow spot called a ground spot. In some types of watermelon plants, the color of the ground spot is an inherited trait. In a g... | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAD6CAYAAADUdTPBAAAdRUlEQVR4nO3de3TU5Z3H8c9cMpOZJJOQkBBCSKBAG9iiFBL1gHStilvQFl3Z3vaPpcetq2fdbbG7cirn9I/uao+Ho93t6bq2Kj2iKLCignHX9FSoWLSXKCAFhBDuSALkNpPJJHPdPwKTUHIbSDIzz7xff/2YPJPfd/Llj0+ePL/nscRisZgAAAAAGMGa7AIAAAAAjB4CPgAAAGAQAj4AAABgEAI+AAAAYBACPgAAAGAQAj4AAABgEAI+AAAAYBACPgAAAGAQAj4AAAB... | [
"1/4",
"3/4",
"4/4",
"2/4"
] | null | 2 |
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 | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAVQUlEQVR4nO3deXAc5Z3G8W/PpRkdtmUL2/jmMsT4Cpj7Js7B4YSQcGR3yVblIJvsUqlNKgkbSIVl2dQGsn9sskl2c7EJhHCFywaTxI4NPgD5NjY+wRe2ZVuyZUmjuaf3j3dG54BHzLi7R3o+VSppWj09r/T2PN39636nLdu27aYk7OyE9gykbUREyiJgQZ0fzqqGMSGwmhK23djmdrNEZLC7aBgEdnSaB6eG4Owak0YiIuXQnoFtUTiYhO2d4GtLm18obESk3Or... | 0 |
math | grade-1 | ordinal-numbers | false | true | The first picture is a fish. Which picture is tenth? first | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABdCAYAAACfMRFHAAAngklEQVR4nO3de3RU5b3w8e8kEyUzSbhnAgRLgEFFQrgcJQHhpQVRcFXQIqgctSVLa3sE4UBbEarQhkIVC4oeOWLw0iUKWBRbYqHBWigS1yuXhJuvQwhCNAlKNMkkQTKZef/YmUkmmcueW2Yy8/uslWUys/eeh5/79+xn9n4uGpvNZkMIIYQQQggRFHHhLoAQQgghhBDRRBrYQgghhBBCBFHIGtjfNdnI2FPL6A/r+K5JeqEIIYQQQojY4FcD+72KJlZ9dtljw/mjbyy... | [
"turtle",
"sub",
"fish"
] | null | 1 |
math | calculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed line is a vertical asymptote. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AACAX0lEQVR4nO3deXxbZ50v/s/RZsm7Yzu2m8TO1qR1Gmdr1sY0JYVmmlJIS2mZgQIzcBmG0jLbZblc5g6TYbhAYQqFX2cGaMtyYQi0hSZ125QkTeo0m5s4sbM7ieOlXmRbstaz//7QkjjxItnnSLLzeb9efaWRjj5+IltHX339nOcRdF3XQUREREREhrCkewBERERERFMJC2wiIiIiIgOxwCYiIiIiMhALbKIbyK5duzB79mxs3rw53UMhIiKasgRe5Eh047j77rvx8Y9... | [
"$\\lim _{x \\rightarrow-6^{+}} f(x)=-\\infty$",
"$\\lim _{x \\rightarrow-6^{+}} f(x)=\\infty$"
] | null | 1 |
science | grade-4 | identify-ecosystems | true | false | Select the estuary ecosystem. This ecosystem has:
shallow, salty water
bright sunlight
many different types of organisms This ecosystem has:
a mix of fresh and salty water
muddy soil that is rich in nutrients
many different types of organisms | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOz9ebB1aVnej3/u+3nWWnvvM71DTwwNjSAoAfIjqHEgogbFBKsSZy0nopYaq9QykcSptMzXUiw0ZWmImhhxICYaLDWVmKhBohgIqBERJ0CBBrqbfucz7L3XWs/z3L8/7mftc07TOHy/AsbeV9fpM+1h7bX3W+fa131d1y2/ccvsKTuwF9hiiy222GKLLbbYYov3CY4y/NEJyGEy2xLPLbbYYosttthiiy3e1zjKIGZmH+gD2WKLLbbYYostttjikYF... | 0 |
math | kindergarten | triangles | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJIAAACVCAYAAACzfqM2AAAGcklEQVR4nO2d204bVxSGf3O6SJP2rocH6OENctHX6QtWRSUILshNI6WRkpa4HFIQCDXFTaiQSUaKi5le7HC28WHW3nuttf9PsoTxjLU9fN6eGX/Yrbqu68Me8GcFnPSB0xqEjGSuBTyYBb6+B3yxALQOP9T1027uYRHLPPwUmHtVhStfLQDffhIsI2QUJ31g6z3wdw/YroCZ7mm4gRKRSXgwG5wBgHd9YKZ/5QZCJuHcmf9qYCbvUIgXKBIRgSIRESgSEYEiERE... | 0 |
math | grade-3 | parallel-sides-in-quadrilaterals | false | true | How many pairs of opposite sides are parallel? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAl4klEQVR4nO3dWXhc9Z3m8bcWlUqlfbMt2djGq7wh78aYJJ1khslKCFvYIYQkPelJJzP9pHtu5pmrueju6e5J96SnAwQM2A4ESAjJkAwzhA4BvOJNFpb3XbItlWTJqiqpVHVqLhzXXyXLsmxV1TlV9f1cnSNK8McuP8/r0nt+P1cikUgIAAAAQFq47T4AAAAAkE8I2AAAAEAaEbABAACANCJgAwAAAGlEwAYAAADSiIANAAAApBEBGwAAAEgjAjYm7JWNPXr5paDdxwA... | [
"2 pairs",
"no pairs",
"1 pair"
] | null | 1 |
math | grade-2 | fractions-of-a-group | false | true | What fraction of the shapes are circles? | "iVBORw0KGgoAAAANSUhEUgAAASgAAABKCAYAAAAITMn8AAANp0lEQVR4nO2dT3AT1x3Hv8iSjGRZlm1Yy5apTBog/HH5kwScSyRKEqbBnZAh4YppbumFXnrFubczZKbTa9Rb00udmXDIECYy02mZ0hBn7GkCbrBs6+9iWfJqJVkrad2DvAJjsCV5/7zdfZ8TwdLTex+ir9++3+57u9bW1tZAoVAoBGLRugMUCoXyImhAUSgUYqEBRaFQiMUqZ2O//+pXiGT/u+HvhjxH4LS7t3zfUeaNLX++t2MQTMfglq/xew6jw9bVWEc1hnpSnkk... | [
"2/5",
"2/4",
"7/12",
"4/11"
] | null | 1 |
engineer | grade-5 | identify-laboratory-tools | true | false | Select the Erlenmeyer flask. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AAA5wklEQVR4nO2deZwU1bn3n+ecU1W9zQrMAiibioogQaPeqNF4ffMaIxo3jFn0amIQ0agR4+7Vm08kUV8XEhdQL+437iQxMagxAioqYkQvLiDLAMIwMNMz09NLVZ1znveP6oaR4DIsVY19vp9Pf6Z7pqfqdM/8+jnPc576HQCDwWAwGAwGg8GwC4BRD8CwY5k2bZojhEh80fMsy0r6vp8tPXYcR/7kJz/J7NzRGaLCCL1MICKcMWNGEyIO1loPJGJ1iFAD0PtG1QD... | 1 |
math | pre-k | addition-sentences-up-to-10-what-does-the-model-show | false | true | Which addition sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABUCAYAAAC4PkCPAAAQfUlEQVR4nO3dW2wc130G8G9ue1+SEpe0SJomI8lkLFgiYilwZUBSgSLSg2XYKBwkLQwjDRIDfovRooCL2klaoHlpgT4ZBdq6LWog6IMfggQNkIe0qB05CWInLqPUFnWXSEo0l6K43J3d2Zk5fRgutRIpSkvOnJmd+X6AIJnanXM+jXH2v2fOnFGEEAJEREREROQLNewOEBERERHFCQtsIiIiIiIfscAmIiIiIvIRC2wiIiIiIh+xwCYiIiIi8hELbCIiIiIiH7HAJiI... | [
"1+7=8",
"1+5=6"
] | null | 0 |
science | grade-4 | identify-mammals-birds-fish-reptiles-and-amphibians | true | true | Amphibians have moist skin and begin their lives in water.
Amphibians are cold-blooded. The body temperature of cold-blooded animals depends on their environment.
A red-eyed tree frog is an example of an amphibian. Select the amphibian below. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOzdd5wV1d348c/M3Llz+93ed1l2YekdAoKgiAUbVuwlatRHTVSMiSXtsTzqI7YUNdaIJYlibBiJiBhUkCrSy8Kyve/e3qf8/ljYh6UuZo3G37xfr1XuveeeOTNzZu53zpxzRjAMw1BVFV3XMZlMJpPJZDKZTP+ZRFHEYrEgpFIpwwzuTSaTyWQymUym/3yiKCKawb3JZDKZTCaTyfT9oOs64rddCJPJZDKZTCaTydR3zADfZDKZTCaTyWT6HjEDfJPJZDK... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6cAAADMCAYAAACPx9V0AAEAAElEQVR4nOy9ebwlVXn1/332rjrjnW/PE003dAM2syiCqIhGNIojoqhJRE1eh6j4koBJNK9DjAlqEg0ahySimERRI2JiRIJxABFEBAGBhobupunh9p3PWFV7P78/dp3T3YyNtkP81fLDp+9wTp1dw7meVWs9a4mqapZleO8pUKBAgQIFChQoUKDA/04YY4iiiB/Owfo6DNpf9YoKFHhozDu4ownbExiN4Mkj4eemIKYFChQoUKBAgQIFCvzvh/eeLMsKYlrg1x6... | 1 |
math | kindergarten | times-of-everyday-events | true | false |
Ken is biking home from work. What time is it?
Choose the more likely time. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAd4klEQVR4nO2deViU57nwf7PBMAszLAoTNaBxjGlckLSCMSDNYhXbJqdJTdqmlYR+V5q4xtM2emK+mK9V0++ck7p+nrTikS+rpGrSFBKTNkUSI5oIqCRBx2Uw6swgy8AsDDDL+WMyEwYQmA2M8rsuLuZ9Z55l3nue7X7u574FHo/HY+yE03awuMDpYYRrCLEAlCLQyiAlBgTGDo/nSNtwV2uEoSArHsQ6u/dCEwM3y72/hhGuHSwuOGkDQyecsoOwzel9Y0TY1yZ... | 0 |
math | algebra-1 | model-and-solve-linear-equations-using-algebra-tiles | true | false | Which set of algebra tiles represents the equation x–5=
–
13? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUkAAAB6CAYAAAAyE6EfAAAMP0lEQVR4nO3db2wT5wEG8OfuYpvETUi0JCRp45SklD/SphaKaNJIK1MrQVu6tWEV3bd9qOiH9UNF0FSpk/gytaNC4suUddKmCk1DAzmTgEohqAprVLtpKXSwhAFzt+CBE+cvji/Bdu5uH1wbEPQWw73x3fn5Scjcxb7nJYoem7vL+0qGYRhjaeBf88CcBiwaICIqWWUSUKkAayqAVV5AGksZxheJYg+LiMh+tlQBZVfmsxuNXmCtP9ugRESlak4DLqlALA1cngf... | 2 |
math | grade-2 | select-three-dimensional-shapes | true | false | Which shape is a cone? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAARl0lEQVR4nO2da3AU15XH/z2SRqPRG70tCQmCHolhJUwsDAGDDWsHO8QmtY6pfLGp3VrXPhzbW1tbG3sf2a0K3toqZ21vvmQr5cifErzlBKIgxw4QYR7yijiSS3JACIMkJDSgGSTNSKN5aKb3w2i6e4YZIYnb3be7z+8LrZ6ee88MZ26f1z0tiKIoukLAFT/giwALIgiCOzIFID8DaHACFXZAcAVFscert1gEsXy2FgCZQ/7YH1V2oCk3ptUEwRu+CDA4B0yEgMt... | 2 |
science | grade-4 | identify-minerals-using-properties | true | false | Select the one substance that is not a mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEYCAYAAADPtGNgAACOUUlEQVR4nOz92a/dWZbfiX328BvPfEdeMsggY8rIyMzIylJWl0qldlutoduwbENoNQwIhg1B8F/QaBvwi9/0qhe92X6wuxsN2P3QkF2l1uCWXCNUqqrMysyIzIyMiTPvfObftAc/7N8595JJZgwMBhlRdwGX5/JM9wx77bX2Wt/vd4l/P/H+Gx3oKS7swi7sc9jMws8XcL+GkYa/PgzXywvHurALezrrKfhGJ/w+t2fXywvHurALe3pb+VHjz67Tj7tjXZsv4/V... | 2 |
science | grade-4 | use-evidence-to-classify-animals | true | false | Cartilaginous fish are a group of animals with similar traits. The following traits can be used to identify cartilaginous fish: They have fins, not limbs.
They live underwater.
They have a skeleton made of cartilage.
They make eggs with no shells. Observe the animals and read the descriptions. Select the one animal tha... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACmCAYAAACcAuREAAEAAElEQVR4nOydd5wkVdX+v+fe6jR5dmfzEnZZlpxzzqCIOWIGI5gxYH7lxYg5KyLmiFkxYUBJIplFkLhsjpN7OlXde35/3Kqemd0FV/35qlCPn8WZ7uqqW9U1M08/5zzPkW+tbOjBMwr0F4QcOXLkyJEjR44cOf4VGI6VG4di5N6q05x45siRI0eOHDly5PhXYzhWZHPT6797ITly5MiRI0eOHDkeHYimfjP3hfeh1iAiqAZOahU8ICJ4BJGgkmaPqdB+TFVBPHh... | 0 |
math | algebra-2 | domain-and-range-of-exponential-and-logarithmic-functions | false | true | What is the range of this logarithmic function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABvAUlEQVR4nO3deXgU550v+m+vUmttLSAJgQRikS0sgcGA2QwOju14DTgenEwWz3Um45w4yWTOnbk5OUkmk+PjkzOT5cZjezKeeLzk5I4nJNiJwQKDzWZhEMggkMAgC9CC0NJSq9V7VXXV/aNooWYxaqiXVknfz/P0I6ml/umnqu7qb796u16LpmkaiIiIiIjIENZUN0BERERENJ4wYBMRERERGYgBm4iIiIjIQAzYRJSgtLQUe/fuHf769OnTmDRpEtra2lLYFRERkXk... | [
"$\\{y \\mid y \\geq-6\\}$",
"$\\{y \\mid y<-6\\}$",
"$\\{y \\mid y \\leq-6\\}$",
"all real numbers"
] | null | 3 |
math | kindergarten | count-sides | true | false | Which shape has 4 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFkUlEQVR4nO3dT28VVRjH8WdmLkWgV6AU0ZCwU1E3ulAWmuDG6IoF8V+ib8E3wCvxBWgUTFjgBnWD27rQDSriqhsh/cOfW1pb78xxcUtimiFC+5zfM+18PzvS5pyz+ObSzJM7p0gppVsbZn+umo1qs3EyYMcGhdmwMnv+oNmJKbPi1npKc/ejj4W97MzTZoObq5N/PDdl9uKhSYXATo1qsxsPzP7aMPtj1ay8P578gMjgaVhNmjIzW6nNyvo/PwA8PWzqn2RWxh4... | 0 |
science | grade-8 | compare-concentrations-of-solutions | false | true | The diagram below is a model of two solutions. Each yellow ball represents one particle of solute. Which solution has a higher concentration of yellow particles? | "iVBORw0KGgoAAAANSUhEUgAAAbAAAAEVCAYAAACBn7B3AABux0lEQVR4nO29eYAcZZ3//3qqz7knyeSEhAwhBHJxLTeooBxyiggeLCsg4vJzdQHxWPEriouILODqfkURXWQXdQUEvgrLKQqCIKcciZwh9525Z3qmu+r5/VH1PPVUdU0ySWYmM93PS0NPVVdXV1U/7+dzPJ96SkgpJRaLxWKxjDOcXX0AFovFYrHsCNaAWSwWi2VcYg2YxWKxWMYl1oBZLBaLZVxiDZjFYrFYxiXWgFksFotlXGINmMVisVjGJdaAWSwWi2VcYg2YxWK... | [
"neither; their concentrations are the same",
"Solution A",
"Solution B"
] | null | 2 |
math | precalculus | determine-continuity-using-graphs | false | true | Is f(x) continuous at x= – 5? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABzx0lEQVR4nO39e3hc5X0uft9rzjMaSaOTJVlGMj4S2ZKxjQEbG0xMgEAgsQk1yS8H8tK0pDm/bffOm93m2m0pv7TNYScFdkqbHUiblsLmVAyyMdhgRwYbC1u2ZGMb2dbBsg4jzYzmsGad3z/GEhY+aez1eDTW/bkuLjOjWV99tdbMmnueedZakmVZFoiIiIiIyBaOXDdARERERHQlYcAmIiIiIrIRAzYRERERkY0YsIlonC1btmDmzJm4++67AQD33HMPXnzxxbM+VtM... | [
"no",
"yes"
] | null | 0 |
math | grade-3 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAjxElEQVR4nO3de3TU9b3u8c9vkgwhDAkGEi4hXISESwIBklCFshXdCBVBVIpyQG7VrW23bff2WLFaqhWtl+7V9lg9W7dWQNDjDRSl4qVIVVBDEgjhEhKQW4CQQAxxDLnOnD8Sv4kKIZeZ+czl/frr+aw1Zp66zOqzyI+J5Xa73QIAAADAI2zaBQAAAIBgwsAGAAAAPIiBDQAAAHgQAxsAAADwIAY2AAAA4EEMbAAAAMCDGNgAAACAB4VrFwhm+yuL5cfv3Cf1DQ3Ss2u... | [
"yes",
"no"
] | null | 0 |
math | grade-4 | compare-fractions-using-models | false | true | Which fraction is greater? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC5CAYAAAAS5EjTAAAuKUlEQVR4nO3df3RU5bkv8G9IbCegzIxdLQkLO5OE2wKKMxFOF2pkJqegWOVkwBvAe6oZCgc5tusQQCU5x54Mp70XvBSSuG6r9dBm0HbdRG5JqPiD1pqNSUXt8WSg6MIuIBPtMnpcZTZqO7Sm7vvH+G4myUwyP/aPmcn3sxZLmB/vfifzrJXH93328xYpiqKAiIiIiIg0Mc3sCRARERERFRIm2EREREREGmKCTURERESkISbYREREREQaYoL9qT/+8Y944IEHcM011+D... | [
"3/10",
"5/10"
] | null | 1 |
math | kindergarten | subtraction-sentences-up-to-5-what-does-the-model-show | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAAAyCAYAAACqNX6+AAAJYElEQVR4nO2cX0xb1x3HP7avfY2Bi42xCQVCQs3SQEMG2dKRVt3SVG1XdX+a9KFtNinSJk3a8577uuc97WUP2apIk5ao3dR17VqtUbuGhTSkpSEhQALE/AvGNr5g7Gv7+u7B+F9sY3BJ8ZX4Sgjuufee8/v4e849555zjEHTNI09VY2Mux3AnvK1Z0iVac+QKlNJQ8Ynp77NOLakSmLSG4dQLPH8hUsMDg0zcLyfc2fPPLLAtqNKYtIjR0ELuTNxj8GhYQAGh4Y5f+H... | [
"3 − 2 = 1",
"2 − 2 = 0",
"2 − 1 = 1",
"1 − 1 = 0"
] | 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/t0lAAAlgElEQVR4nO3dfXDU5b338U8CIlk2kCOE5sGEZQJNTrBDSCLFpJMHb48IEok9w21tz1i0IrGtStqj4JmprlU70YOVVs0J7RxFiwc75lioDMWhyoLm5qFZXKYlJPehuiQGkwBlJY9AYO8/vNkSICHRK/v7ZfN+/cXvutb9fi8dZz9eXnttVDAYDAoAAACAEdFWNwAAAABEEgI2AAAAYBABGwAAADCIgA0AAAAYRMAGAAAADCJgAwAAAAYRsAEAAACDbBWwe3p61NPTY3U... | [
"negative trend",
"no trend",
"positive trend"
] | null | 1 |
math | kindergarten | cylinders | true | false | Which shape is a cylinder? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAYEUlEQVR4nO2dSXAb15nH/72jG01QBChxcRXpqpgaa5mDlhrZB8kXT02U5RCpKrkkuczBOWZydm7WNancRoecnKuXSspRpsaXUAcvpeUwIuWITpVIl7mIBCkAjQZ6fXN4fA2ABGk0NjaA96tSSQJJdBP966+/971NIISQTRf42gZKAeATcDiJQxaAMQlYMIApFRA2HUK+LJ70aXE4rXMtA8grNv3PjAr8S5pazeEkjVIA/KMMbLjAMxsQiz79ApeWk2TGJOooAFg... | 2 |
math | grade-5 | interpret-bar-graphs | true | true | Look at this bar graph: Which table shows the same data? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAGrCAYAAAD6jeD3AAB1oklEQVR4nO3deXxU9b3/8ddkksm+kAXCloQdQiAJa8K+iKKIsqhgay1d3CrVtna73vbX26pdlW7Ya22rFbUqYlBJwCUsAVEiYAgJCWHLQoDsG1kns/z+4GY0kLA5ZAZ4Px8PfZhzvmfmc46TyXu+8z3fr8Fut9sRERERERGn8HB1ASIiIiIi1xIFbBERERERJ/J0dQEiV4rdbuevf/0rZWVlPPjgg0RFRbm6pB5TXV3NX/7yF3x8fHjssccwmUwXddxDDz0EwDe+8Q0... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA9cAAAGrCAYAAADKCGS6AADCSUlEQVR4nOzdd3gU5drH8e+mbHoBEjohoRNCb9I7oigKiIqiYkFAsRwbytFX5Yh6VNSjYK/YQYMCYkGQICBBWkgk9AQIJT2E1M2W94+YxSUJBBKyC/4+14WX+8wzM/dMJrD3PM1gs9lsiIiIiIhIjTAYDM4OQUScwM3ZAYiIiIiIiIhc6JRci4iIiIiIiFSTh7MDEDlfbDYbr7/+OseOHWPatGmEhYU5O6Rak5mZyWuvvYa3tzcPPvggRqOxSvtNnz4dgFtvvZV... | 1 |
math | grade-1 | which-bar-graph-is-correct | true | false |
Jill went to a bird refuge and saw five ducks and six eagles. She made a bar graph of the birds at the refuge. Which is her bar graph? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAU0AAAEOCAYAAAANPEUGAABJeklEQVR4nO3dd5xV1b3//9fZ9fTphaFIERUQFRAhElEUwa7RWKL5aRJjyb2JiUajN+Zr7k0015prjHI1lqhXEwvGWIMlKmBDJZZIlSJ1hqmn7773748zDBLrUM4ZhvV8PHwMc8ren32cec/ae+21VigIgqDFhhUFyHrgBgiCIAjdlBAkZBgZhQYNQi1WELyVKXdZgiAIfd+kJCgfFYrfDNBg71gxUQVBEISirAfL8tBsw/ICSBm3+IQITEEQhE9LyMV8BMh5IHm... | 0 |
math | kindergarten | compare-two-groups-of-coins-pennies-through-dimes | true | false |
Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAm0AAAClCAYAAAAOL8pOAACSaUlEQVR4nOy9d5hcZ3nw/Tt1etud7dom7a52teq9uxe5gg2mhBIgQEL4SAIpbyAhL0ne8L358gIvJSTGBHAIzWADxlWybMuW1XvbIm3vbXanz5z2/TGag5UAkWxLlvH5XZcurbS7M/M859z3uZ+7CpZlWWN5OJuGhAG6hYODg4ODg4ODw+uMLEBAgmYvVKggjOUsa3/89f5YDg4ODg4ODg4Ov451QZC704V/VKmw0Few6BwcHBwcHBwcHF5fEgZ0pmA0D11pEON... | 0 |
math | calculus | identify-graphs-of-continuous-functions | false | true | Is the function f(x) continuous? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AAByAElEQVR4nO3de3xUZ50/8M85Z2ZyTyb3pIEEKOUSJFAoUCgUWrDForWgtfV+/7lubdVV1+q67qps19Wtrlq71bXb1q271Wq9QdOWQgo0lFuAAOFSCJALIfdJMjOZmXP9/RESCNcJPE9mknzer1dfmjnnfPJlMnPme5455zmK4zgOiIiIiIhICDXWBRARERERjSZssImIiIiIBGKDTUREREQkEBtsojFk06ZNmDBhAlatWhXrUoiIiEYthRc5Eo0dK1aswEc/+lF8/OM... | [
"yes",
"no"
] | null | 1 |
math | grade-6 | classify-triangles | false | true | Is this triangle equilateral? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC/CAYAAADEvavOAAAcYklEQVR4nO3de3BV9aH28WfnQoimBKPhEDWAoTYqUSdVIkIggdh3DLU1HWdgxo6NnSkWW+XAW7yVixblokUEtCoNLxrUKKmp5DQJ56CQUENOG+yJCTshMSFAAkQIhIRbrjv7/QNdxy0Qc9l7r335fmb8w1kL86T1j6dP128ti91utwsAAACAUwSYHQAAAADwJUbBTkpKUkREhH72s59p3bp1qqioMDMXAAAA4JUsXz8iMn78eNXX1ztcvPrqq5WUlKQZM2YoOTlZEyZ... | [
"yes",
"no"
] | null | 1 |
math | grade-3 | match-fractions-to-models-halves-thirds-and-fourths | true | false | Look at the colored part of each shape. Which shape shows one-half? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAATtUlEQVR4nO2deXRT153HP0+bbUneF3nDK/tiG8dgAgSykARCgBAaSpq0mZx0O9PmTNPMNGmnc850OqczndNm2mmnM2l62k5CkgkhKaFkoCEswew7YTFewHjfN1myrfXNH5KMQ0Kwn96T9LA//7BIuvdKX937nu79fX8/QRRFsc0JtYMw4AG3yCS3EToBYrUwzQgWAwhtDlE8bg33sCYJBeVxoKsZ9P0jwwAzTL5vwyS3DwMeqLJDqxOqB0FjdfsemBT79iRW69M... | 0 |
math | grade-7 | parts-of-a-circle | false | true | What is \line{MN}? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAmdklEQVR4nO3daWAV5cH28essyclOgCQQQkjCHiABZJOEVQXLWxVZatW69OkC+FQLWkFLWVrUWpdWxfapUmypVisK7gtWFBAwbAVCCHvYCWQjISRkO8l5P8QMObJLYCYn/9+n+56ZM7kS5sN1hvvMsXk8Ho8AAAAA+ASn2QGuBpvNdsV/Bu+TAAAAYAVNouBTvgEAANBU2M0OAAAAAKDh2G02m5YvX37GjpSUFEVHR5+xff/+/bLZbHrppZc0f/582Ww2ud3uKx50/Pj... | [
"radius",
"chord",
"center"
] | null | 1 |
science | grade-3 | animal-adaptations-skins-and-body-coverings | true | true | Snow leopards live in the cold, snowy mountains of Central Asia. The snow leopard's skin is adapted to help the animal survive in cold places. Which animal's skin is also adapted for survival in cold places? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEKCAYAAABnkCFsAAEAAElEQVR4nOzdebgcVZ3A/W/tva+3777fm5vkZk8IEHbCjoioKAqo6Li8Moqjo4A6o+MwiooL44Y6oqKgMrKIIAhEIBACCdn33H1fe9+7a3v/yOS+LCIBLzjj25/nyQPdXV3ndJ06dX916lenBNu2bcMwsCyLioqKioqKioqKior/m0RRRJZlBF3X7UpwX1FRUVFRUVFRUfF/nyiKiJXgvqKioqKioqKiouLvg2VZiH/rSlRUVFRUVFRUVFRUzJ9KgF9RUVFRUVFRUVH... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA88AAAEKCAYAAAAsMWftAAEAAElEQVR4nOz9d5xkVZ3/jz9vrBy6Osfpnp7pyYEJwJBzEhEVAQGVdQ1fUXF1FRB3dV1WccXArgHDoqKgsqgsgiIwShoGZpicQ3fPdM5dOd/w++NWVVd19zAzOOp+9lfPx+NOV906955zz7m3pl7nHY5gmqapaRqGYVCmTJkyZcqUKVOmTJn/NxFFEVmWEQThb92UMmX+TyKWhXOZMmXKlClTpkyZMv/vYxgGmqb9rZtRpsz/WcSycC5TpkyZMmXKlClT5v8G5d/... | 1 |
math | grade-7 | apply-multiplication-and-division-rules | false | true | The number line shows an unknown number, t. Is t – 2 positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGPklEQVR4nO3dT0yTdxzH8c9T2oIFptVAohElwSWGMIkRKxjnPC4zutR58UJM/JNojLss8eKWJRoTl+ymiUaXZWYSD0vNZmKy3QqH0SKymkYuOphmO+DwHyD0j312YK0SoQKW/njg/ToQngcOn/A08OHX7/N7LNu2bQGAg7S1tcmyLO3bt890FBQJ1xyAk7hNBwCAmXr48KHpCCgyrjkAJ5l2wU6lUuru7lYkElF1dTWrCAAwiadp6fT9lGLPbbU/yWhDpaXaJZZO1nn... | [
"positive",
"negative"
] | null | 0 |
math | grade-8 | changes-in-mean-median-mode-and-range | false | true | Look at this set of 7 numbers: How would the median change if the number 3 replaced the number 7 in the set? | "iVBORw0KGgoAAAANSUhEUgAAANgAAAAkCAYAAADrcPSPAAAHmElEQVR4nO3de1BU1wHH8e/eXXksuCgvXyCgBRGIEhgfiIJVkihqY0xplBgdjdaY2mnTxJnWsa01TUzUaU0ztVatjubhIwpRUUSlVbGIEhWUkKJVVIoVZRWEddld2Ns/UMPK2InhnqV1zuc/zs6c3/3j/A7LuXcXnaqqKkCzaqep5S5OtQVQkSTpcelQdHq89EYMOo/WEVVVVVuLBZvT2skXJ0lPDk/FiKfeiKHZaZflkiSN2Zx30esMKHZZLkkSwu60orSozZ19HZL... | [
"decrease",
"no change",
"increase"
] | null | 0 |
math | grade-4 | angles-of-90-180-270-and-360-degrees | false | true | What is the measurement of this angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACFCAYAAABhXI8FAAAGqUlEQVR4nO3dPWxV5x3H8d+pWMxLMgTJRQIv4aVKLYHVCZyKBdS4A1UlSNhaIkKG0pfFqpqmHaoobUSGNqRDQxqSzRBUtVSKqcKSkustugwoqkWyYKRCBYOpZcbTwcay42tjo8cXnerzme45517pP3716DnPreq6rgMAABTxtaUeTE9O5c6Nf3dzFgAAaLwlA7s9eiWtc5e6OQsAADTekoH98Z8+zOV3LnRzFgAAaLyOgT3eaufm51/m/r2ptEZGuz0TAAA0VsfAnh/... | [
"90°",
"180°",
"360°",
"270°"
] | null | 1 |
science | grade-2 | identify-animals-with-and-without-backbones | true | false | Select the animal that does not have a backbone. Hint: Insects, spiders, and worms do not have backbones. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9abBtZ3rfh/3eca21h7PPeO+58wTgYkYDbIDN7lZzaIomJVIWZVGUqywmdFypJJZiV/LBcfwtJSVxhlIlcSJXqlS2VHYSOXaiwbaaEtlqsmc00BgvcAHceTrztKc1vUM+vOtctCpUFc2bD04VN4C6B+ecu/deaz/v8z7P//9//q/40VGMV/swVPzJ408e/618TDx8MoONBpY0fHUxfV/+SeD+yeO/7Y+hgqv99PXUf/59+SeB+yeP/394HMdpGz/... | 0 |
math | kindergarten | count-sides-and-corners | true | false | Which shape has 3 corners? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACfElEQVR4nO3UO25VSRhG0f9ePwKeWaMeABARMwUmwqiYCGMgJaIhb5PaYAnjq0NwhEQCCdY+wqwVVamSL9iq3bIsy9nVzIfLmYvDzPUy8NuOdzP3j2Ye35l5dDqzO/uyLG/Ot57Fbfb8wczx+8v18u/pzNO7a4Xwuy4OM+8+z/x/NfPf5cz+/Hp9EBk36f7R2tTMzKfDzP7wwwPcpO9NfV1m9ttO4W8hNBJCIyE0EkIjITQSQiMhNBJCI3G89YBfefb65dYT/ih... | 2 |
math | grade-2 | write-subtraction-sentences-to-describe-pictures-up-to-two-digits | false | true | Which subtraction sentence does the picture show? | "iVBORw0KGgoAAAANSUhEUgAAAfQAAAH0CAYAAADL1t+KAACfiElEQVR4nOy9eXAU552A/XTPPdKMBBIjI0CADwFGPrAdOwacxHYguyZeH0ktcb7FB65sxQk+atdJrffwfpXa8pY36yS7Ob5dyDpm7aTM2onLuzEbY4MdY1iDjYNvgcAIZDAaCR0zmrOnu78/WprRMCNpJGaENPN7qrpqpvvt930fvfz49fTxtmKapokgCIIgCNMa9Wx3QBAEQRCEM0cSuiAIgiCUAZLQBUEQBKEMkIQuCIIgCGWAveg1JiIYR9/CjPZixvoxY/0AKJ4... | [
"94 − 1 = 93",
"93 − 1 = 92",
"95 − 1 = 94",
"93 − 2 = 91"
] | null | 1 |
science | grade-3 | read-a-thermometer | false | true | Select the temperature shown by this thermometer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAGQCAYAAADbbRRJAACbTElEQVR4nOzde3yT5d0/8E8pZ2gSEA/QYIOikKC0eKBBwaaMlgkqhZZZwNkWJ+I2bTpb2J4JbSk+zyPUNcXtp+JDEzYFtC1EJyCtSjjZlCkEtSmKSrApigikdzmf8vsjJDTN6U6a9L6TfN+vF3Mk9+EqlPSTK9/re8VYrVYrCCGEEEIIIRGhB9cDIIQQQgghhAQPBXxCCCGEEEIiCAV8QgghhBBCIggFfEIIIYQQQiIIBXxCCCGEEEIiCAV8QgghhBBCIkhPrgdASCj... | [
"40°F",
"50°F",
"55°F"
] | null | 0 |
math | grade-8 | congruent-triangles-sss-sas-and-asa | false | true | Which rule explains why these triangles are congruent? | "iVBORw0KGgoAAAANSUhEUgAAAOAAAAF/CAYAAABQasXDAAAtw0lEQVR4nO3deXST953v8bdkS15lm807mM02mH31CjYkoUlKLunM9E5zkxaYtE3paXpJ09N22plJMu1t73TuydJmMpPMaUPSO70ltInbkm45YcfCQAwEvIMxBowBb3iVLEu6fzzaDA6rpOeR9H2dwwlYsvQL8ofv9/k9v+f36JxOpxMhhCr0ag9AiEgmARRCRRJAIfwsJycHnU7Hhg0bbnjslVdewWg0YrFYAAmgEH7V3t5OW1sbs2bNYvfu3YyOjo55/OjRoyxZsoT... | [
"SAS",
"ASA",
"SSS",
"These triangles cannot be proven congruent."
] | null | 0 |
math | grade-3 | purchases-do-you-have-enough-money-up-to-10-dollars | false | true | A fleece blanket costs 7 dollars and 41 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAFpCAYAAADp8FyYAAEAAElEQVR4nOyde5wkV1n3v5uE5HSyJKdy7SJc9oRbahKEbi4yDQS2FZEOCs5y0R1RwkRRJwi6y82sgGEDKAkqZhCQiYLsct2JhKQxEjpce1BDd0ScAgmcFYVqrnVAQp+EDfX+cerWM7ObyQWyb6zf57M73dVVp06dWz3neX7P82xKkiShQoUKFSpUqFChQoUK9wgccXdXoEKFChUqVKhQoUKFCncdKgG/QoUKFSpUqFChQoV7ECoBv0KFChUqVKhQoUKFexDutID/3e9... | [
"no",
"yes"
] | null | 0 |
math | algebra-1 | interpret-the-slope-and-y-intercept-of-a-linear-function | false | true | Brandon buys an English Ivy plant to decorate the shelf in his bedroom. The ivy grows over time. This situation can be modeled as a linear relationship. What does the slope of the line tell you about the situation? | "iVBORw0KGgoAAAANSUhEUgAAAioAAAI0CAYAAAAz7AJYAABvBElEQVR4nO3deXyU9b33/9dk35chkBUCAVHRoOLCGhZRylGBhJ2jd/VUPWoXbW9r7fH489x6LPXcrdpSq63HhVpPbyTsFhARgbDvsonIYjYggTAhmUkyM5nM9ftjDjnGBEhCMkvyfj4efTyaa2Yy74zD5J3rc13fy2QYhoGIiIiIHwrydQARERGRS1FREREREb+loiIiIiJ+q8sXldGjR7Ns2bLGr1esWMH111+P2+32XSgRERFplS5fVAYPHszhw4cbv547dy4vvvg... | [
"The ivy grows 2 inches every 9 months.",
"The ivy grows 6 inches every month.",
"The ivy grows 9 inches every 2 months.",
"The ivy grows 1 inch every 6 months."
] | null | 2 |
math | precalculus | solve-a-triangle | false | true | In solving this triangle, which law must you use first? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEWCAYAAABc2eBcAAAwpUlEQVR4nO3dfXCV9Z3//9d1m1uIJLAmCGgCyCZEUgiVrc5iuwttyXcZ1+gAXV1YWsruWKT+CotrWWkrpV0pzq5IuzNAhx/+ui2wyuiwG/r9yn5nYBRWJUEgELmRrECTUEhCILfnOue6fn8cpaXKTSDJuXs+ZvznJCafJOfEp1euz/tjBEEQCAAAAECfMGO9AAAAACCZENgAAABAHyKwgThw9913yzAMGYYh0zR1xx136OGHH1ZtbW2slwYAAHqJwAZirKGhQadPn9b... | [
"Law of Cosines",
"Law of Sines"
] | null | 0 |
math | grade-8 | identify-lines-of-best-fit | true | false | Which graph shows the line of best fit for the data? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAWYAAAFtCAYAAAA04cDVAABCqUlEQVR4nO3deXxUZZ73/U+dqsq+kkogLAmboEFQUEBWobUF2TRgN3o3bftM9/0S2226n/HR7vbue7QZdG5HbR211VEb7aefZpoBlFVER0FDK4sQSUgLIiFsWSp7LanlnPP8UUlIWCSQqnNOwu/9evHSOrX8rkpd9c3JOee6Lpuu63plEL7xQbMKYR0hhBAGctgg1Q5XJEHfOLBVBnR9Z5PZzRJCCAEwMQ0ch3yRG7lxMDI5ktpCCCGM06zC1144FYSDPlCawpE... | 0 |
math | grade-2 | match-addition-sentences-and-models-sums-to-10 | true | false | Which shows 5+3=8? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAdoAAABKCAYAAAAc9ZVYAAAN20lEQVR4nO3dS2wc9QHH8d+89uHdjQ1ObEKcYichJDQhEWkUgVQKVZQbBwSpQIJDVakcoEhIlCNnaFU4tGrpBVVCKqJVOUAvICioh1aAUt6vJIot8sCOsxB7n/P89zBeP+LN7szu/GfGy+8jRXbi3Zn9Wpn977wVIYSYtYDTdaDiAo4AERER9UhXgJIG3DgEjGcAZdYU4r3FpF8WERHR4DmyCdBP1f2/bM0ANxX8UZiIiIh6U3GBr2rANxZwsg6oi47/Aw6yRER... | 1 |
math | kindergarten | flat-and-solid-shapes | true | false | Which shape is solid? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMwAAADMCAYAAAA/IkzyAAAifUlEQVR4nO3deWCU5bn38W+2yWTfV7LvIWQhC0lIICCCu3KK1ipq6aLYajesWtva5T1urZVzWrVq7XuOa9FWbFUURagEEkIgISQQspM9k5Xsk0kmIeePSUYIoBnJzPPM5P78RwiZiyS/ebbrvm6r6enp6c4JqFfD8BRMTiMIwgxbK3CxgWhH8FOAVef49PSRIanLEgT5y3QF2zq17g8BCoh10qVJEASd4SmoGQXVBNSqwXpoUvcXIiyCcCEXG102AEamwHrqnL8... | 0 |
math | grade-3 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABVfElEQVR4nO3de1zUdfY/8NdwG8CAQbkIqDOgiaDJiHmtuKRmZQauVrtdFtytrd2tFtut9g5+d7d2t93Ezdpa6yd22XZrTdRM85Ij3tIMBi8gJjAoiAjKAAozDJffH8jEZS6fuTEz8Ho+HjwaZt6fz5yQeXDmPedzjqi7u7sbRERERERkFx7ODoCIiIiIaDhhgk1EREREZEdMsImIiIiI7IgJNhERERGRHTHBJiIiIiKyIy9nB0DOp2vvhE7bgXZtB9q1nWjXdkCn7YC... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABkmklEQVR4nO3deVyU5fo/8M+wDajAoOyoMyypYMmI5S5gZlpmYlp9W8FOnTqtaKc6SyXWOXWqU+LJOpX1E9vstImauWUiiqa5DJYgxjIoyqoMizDD+vsDmVhnntln4PN+vXg5y/08zxXO2Fxz3fd1i9rb29tBRERERERmIRKJbB0Ckc052ToAIiIiIiIiGliYaBIREREREZFZMdEkIiIiIiIis2KiSURERERERGbFRJOIiIiIiIjMysXWAZDtNTe1olnTgiZNC5o... | 1 |
math | grade-6 | identify-complementary-supplementary-vertical-adjacent-and-congruent-angles | false | true | Which angle is complementary to \angle{4}? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEFCAYAAADZm5BpAAAZoUlEQVR4nO3de2xT993H8Y+pyYVbknVcREGxFyBlTesgRawSaIQpPBrrBkEFNfSP4lBNaNBL0mqDUhhmhY51XIwK7TaNYtatLYIKp39UqmAi3WCrIjqcYTRSgmI0YNBOwjRAQkjw8weP8zQNCYScCznn/ZIiuc7J8ddKK73z6/HveFKpVEpwnVgspuLiYrvHAAAAcJxBdg8Ae1RVVSkWi9k9BgAAgOMQ2C6USCT08ccfKxwO2z0KAACA43i4RMR9vv/97+ujjz6S1+v... | [
"\\angle{3}",
"\\angle{2}",
"\\angle{1}",
"\\angle{5}"
] | null | 0 |
math | grade-1 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABWEUlEQVR4nO3deVhU5dsH8C8urDKKawgKYi5guQuoiZaiJaAl7lsuuZWG5lZvabm0KJqi9nPBXXNJcMcSWoxSWcxcclBTYHSQDBUYBGZwe/8wRpBZzuwMfD/X1RXDec5z7oi5uOc597kfmydPnjwBEREREREZRRVLB0BEREREVJEwwSYiIiIiMiIm2ERERERERsQEm4iIiIjIiJhgExEREREZUTVLB0CWJ5fLUVhYiMKCAhQWylFYWIDCwkJUrVYNjg4OcHBwgIOjIxz... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABm/ElEQVR4nO3deViU1dsH8C8u7KDkiqAgWgqW4ga4YWWoKVqJu6apuWtqbvWmVmi/EjXFJRVzN60Ec08gy8wFxMwlBzVWHUXDBYZtBhfeP4iRZWCeZ3aG7+e6vGTmOc85NzhTc3POuY9FQUFBAYiIiIiISCcsLCyMHQKR0VUzdgBERERERERkXphoEhERERERkU4x0SQiIiIiIiKdYqJJREREREREOsVEk4iIiIiIiHSqhrEDIOOTy+XIy8tDXm4u8vLkyMvLRV5... | 0 |
math | grade-3 | select-figures-with-a-given-area | true | false | Which shape has an area of 6 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIYAAACkCAYAAABSHVasAAADCklEQVR4nO3dPW6UVxTH4fOOPwo+ki4RCwgsASkKCk2yo2QR2VFIESIQBTswpMe0NljC8eimeMdSFP2hnHukeZ5uNMW5ln463fEsY4xxfl3191XV5bbqZhQH6Hipun9U9d2dqm9Pq5bzT2O8vpj9LDp5/FXV8dur9cOD06pHd9dqODyX26qzj1XvrqveXFVtLm7WL0Rx2O4frQ1UVX3YVm22//mCw3bbwD+jajP3KXQlDCJhEAmDSBhEwiASBpEwiIRBJAwiYRA... | 1 |
science | grade-4 | use-scientific-names-to-classify-organisms | true | true | This organism is a mountain zebra. Its scientific name is Equus zebra. Select the organism in the same species as the mountain zebra. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAD9F0lEQVR4nOydd5gUxfq27+qemc05wZJzTpJBMCACiqKCCogBDAcj6hFzQjwmDChiRAUzIqBgwowkyTmHJS9pc5ydma7vj5mePMvq2d8559O6r2svJnRXV1c3u0+9/bxvCSmldDqdGIaBQqFQKBQKhUKhCEXTNCwWy3+7GzVCU+JeoVAoFAqFQqGoHsMwcDqd/+1u1AhNiXuFQqFQKBQKheL0/P+im7X/dgcUCoVCoVAoFApF7aEEvkKhUCgUCoVC8RdCCXyFQqFQKBQ... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6IAAADMCAYAAABp7h4wAAEAAElEQVR4nOy9d7glVZ2v/65QYacTOtOAIBlEEBXFhIOooMMYcVTEAKNexMDVK6JeE6N39IqCyqCOOo56jeP8xlEcFcOoA6IgwSYpCE3sbjqdsFOlFX5/1Nm7T2wOiGGcep/nPL131aqVap3T9alvWMJ7740xOOeoqKioqKioqKioqFiIlBKt9R+7G8tCCPHH7kJFxX0iKxFaUVFRUVFRUVFRsXuccxhj/tjdqKj4s0FXIrSioqKioqKioqLivvmv8tz8y2nPwQ1... | 0 |
math | precalculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed lines are vertical asymptotes. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AACNgElEQVR4nO39e3RT95kv/r91l23ZkrGxzM12uBlMbIi5BBIIpNCECW0m0KZpezpteubMmunpZWa+M/NtZ1Z/PWvmZHo6l3ZO56SdnPmeniadzrRNWtq0EJKQQLiYmosBcwdj8A3ji2xJ1m3vLWnv3x+yDAYbS9beuvn9WosFlvZ+9CBLW8/+6LM/j05RFAVERERERKQKfaYTICIiIiLKJyywiYiIiIhUxAKbiIiIiEhFLLCJZpADBw6gpqYGO3bsyHQqREREeUvHixy... | [
"$\\lim _{x \\rightarrow 5^{-}} f(x)=-\\infty$",
"$\\lim _{x \\rightarrow 5^{-}} f(x)=\\infty$"
] | null | 0 |
math | grade-6 | front-side-and-top-view | true | true | If you look at this object from the top, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEkCAYAAAAVa0b6AABig0lEQVR4nO3da1hUd5ou/JtjUBAKAyIoATRRMQHRgB3Q/YomTieSFtzTxHTDbKCTMWeVXG3sPa8KRmf2m5DLwnQ6USYG2CPpKN2xSI9ot9lSZkdxhASCEkg8UFIGLKHlIIhyqvfDci0BEYE6rFrl/fvSbSnUH9Erz3p8/s/tYDQajSAiIiIiIrNwlPsARERERET2hAU2EREREZEZscAmIiIiIjIjFthERERERGbEAtsOVVZWYunSpQgJCUF+fr7cxyEiIiK6rzhwi4j... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA/AAAAEkCAYAAACIb9oeAAB1gElEQVR4nO3dfViTd5o3/C+vRUEIFkRQStBWxRaKFpyC7gPaOttKK/jsUrsDewPTrq21KvQY69zzqMTq7vG09DDYV2W1wHNLp8rMGDorOrW3xN5VXKWFohRaRSKxYISRgCAaXvL8EXOpiAgk4coVv5/j2GNGKsmZYjv7/f3O6zydjEajEUREREREZBVOTk5il0BEDspZ7AKIiIiIiIiI6P4Y4ImIiIiIiIgkgAGeiIiIiIiISAIY4ImIiIiIiIgkgAHeAVVVVWH... | 1 |
math | grade-6 | classify-triangles | false | true | Is this triangle isosceles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACDCAYAAAC3BWwYAAAcV0lEQVR4nO3de1SVdd7+8TcnAVGJohFHxgxPqTNMJQgUS6TCwwyjEwxmMjkjMzralOUhzePjIS3Ph0wUHXm0BMOwGYdC2KWDwyOCkI88I2YmopmHJFEUEYG9f3+08hep5WGz773xeq3lWrq5931fey3/uPz63d+Pk8VisSAiIiIiIlbhbHQAEREREZGmxPXb30RERFBcXExISAihoaE89thjhISE4O3tbWQ+ERERERGH4vTtFpFu3bpx4MCBay7o1q0bPXv2JCwsjND... | [
"no",
"yes"
] | null | 0 |
math | grade-4 | acute-right-obtuse-and-straight-angles | false | true | Is this angle acute, right, obtuse, or straight? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABACAYAAAAgeQACAAAIRklEQVR4nO3db0xV5wHH8d+5QuWPgDGIimAaNhmyZdpMIKJ2LAovOruutUm7uWyaiEb8U5c20zB1SVsXTexWFbQt1krVNC4TtfYV4GpSoUG01W1CCyv1zwUcKIF7EdGL9+wF4KCAgt57zwW+n4Rw8pyTJz8Ob355cs55DNM0TQEAAADwCJvVAQAAAICRhIINAAAAeBAFGwAAAPAgCvYwceCDahUcvWx1DAAAADxEgNUB8GBFRXXasvm8bt68oxMnFlodBwAAAA9BwfZ... | [
"obtuse",
"straight",
"right",
"acute"
] | null | 0 |
science | grade-2 | predict-heat-flow | true | false | Two solid blocks are at different temperatures. The blocks are touching. Which picture shows how heat will move? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAW3UlEQVR4nO3deXhV9Z3H8fddQ3YCIeyrYd+VxSIKli4WxXFvO9ppXaZ9sKUtY60r2ipY15Z2XKaOzjit2gpWXHClWkF2ZAkkJGEzCySEJGRf7nrmjxsuBrAGuDnn3pvP63l4JL977jnfeMIn53zP+d1jMwzDOOyFfc3QEAC/gYhIRDhtkOqA4UnQ2w22wx7D2FxvdVkiEu+mp4Fzb3Poi75uGJkcSiMRkUhoCEBhE5R7YU8z2Ov9oRcUNiISaamOULYANAbAHvj... | 1 |
math | grade-3 | identify-multiplication-expressions-for-arrays | false | true | Which expression describes this array? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABxCAYAAADvX9QKAAAQIUlEQVR4nO3dW48c1bnG8aeqz1Vz6rGNDQrGDgYCbGVLgENsDiERm02U7C1F+Z65SAQhUS5QzNgEx4kiosQOBjsHWTZjT0/3dPW5a+2L2XYIDoaqXtW1Zun/k+auveotvzdPr35rVWCMMQIAAABgRVh2AQAAAIBPCNgAAACARQRsAAAAwCICNgAAAGBRtcyLpyOjWW++X8haRWEzKLMcq2bdVPNkrkpcUXXdn+8xPvcMAADAhqUF7OntuYZ/n2j0j6kmd2aa9VKZ6b8... | [
"3×1",
"2×3"
] | null | 1 |
math | kindergarten | curved-parts | true | false | Which shape has a curved part? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAACd0lEQVR4nO3UO25UQRBA0ZrxJ+CbgVgAEBGzBTbCqtgIayAl4pNjUhssYTx6BE9I5HjuCHNO1K2WShVc9WZZluXsaubz5czFbuZ6Gfhrx5uZ+0czT+/MPD6d2Zz9WJZ354dei9vs5YOZ40+X6+XJ6czzu2uF8LcudjMfvs98uZr5eDmzPb9eH0TGTbp/tDY1M/NtN7Pd/fEAN+l3Uz+Xme1hV+F/ITQSQiMhNBJCIyE0EkIjITQSQiMhNBJCIyE0EkIjITQSQiM... | 1 |
math | grade-1 | find-the-next-shape-in-a-pattern | true | true | What shape comes next? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADhCAYAAAC9ZMGZAAAZx0lEQVR4nO3dbYxcV33H8d+987i7s7u2E9t5wqFZHoKTECooRCZNKkJNURoVUSACtVJBFKn0BRWtqlZNimgitVRJ2xcVal+1UnkobWhAKM0DhCqQEipSUAh2khoXsJ1t1uvsZp935s69ty82197Ys7vzcO895575fqTIsrJzzvmfc8bnN3fvzHhxHMcCAAAA4ATf9AAAAAAApIeADwAAADiEgA8AAAA4hIAPAAAAOISADwAAADiEgA8AAAA4hIAPAAAAOISADwAAADi... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAz4AAADhCAYAAAAJS2C/AAAeJ0lEQVR4nO3dbawc133f8d/MPt69j6QkUhJlKdWNH0KZlou4jsCodmGndA1WaKAqNmS0QGO4Aeq+SJEWRYtKDVILaFPYbV8URvtKBRJJTctUDgLVshK5kONabqJGtWVSdhXWCnV5zXsvdS95n3dnZ6YvroZakrv37sOZOTNnvx9AECRx55z/OUd79rczO+PFcRwLAAAAgBM8z7PdhVzybXcAAAAAANJG8AEAAADgPIIPAAAAAOcRfAAAAAA4j+ADAAAAwHkEHwA... | 1 |
math | grade-2 | which-bar-graph-is-correct | true | false |
Ryan went to a petting zoo and saw four ducks. He saw fewer goats than ducks. He saw the same number of pigs as ducks. He saw fewer rabbits than ducks. Ryan made a bar graph of the animals he saw. Which is his bar graph? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAd0AAAEOCAYAAADMl83vAACAs0lEQVR4nOzdeZhcVZn48W/dvfbqLd2ddPZOQkhYkkACYQv7HlRE3H4qKgiouDGKM6IMwgiDMwzgKCODKCKDoIiKOCpb2EKAQNiyb510d3rvWu9+b/3+qKYhw2KApDrpPp/n4Umq69a97ykq/dY595zzRsrlcrnLhY0mFALwywiCIAiC8D4pEUjKMCMGjVrlZ5Eup1x+Jj+ygQmCIAjCaLYoBeM0UDaYlR80azArXsnKgiAIgiC8P4UA1pVghwvrzUrSlfJ+5Um... | 0 |
math | grade-5 | compare-fractions-and-mixed-numbers | false | true | Which number is less than the one shown? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAwH0lEQVR4nO3dd3wU17338c9sVUUFEEIUCRAIgUTvxRhwAVzAJCbYiROX2E7ixHYSOzdPnPKkOblxkifYublxyc11cnNt4sQxuIBtiqmmNxWKhCqood610u48f6x21VbalbRlBL/3P452Zs4c7TcvzeG0UVRVVRnCKixXGW4aQ1HTJYL1w4gyxQa6SqIbyUj7JCMhhBDCewyBroAn0ksOk1Zy2PlzWvEhrGob9W1VFFZkEWwKo8lSj8lgZlzUFIL14QBMjE4h1BwBQGr... | [
"3+2/5",
"4+1/5",
"2+4/5",
"4+2/5"
] | null | 2 |
math | precalculus | outliers-in-scatter-plots | true | false | The three scatter plots below show the same data set. Choose the scatter plot in which the outlier is highlighted. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAU4AAAFGCAYAAAAFAHYEAAAojElEQVR4nO3de1BUZ5438O/pO9gXZVBLDUrFRgMZNCOxkQTeinlnWms3qa3ZyoXMJpkdSGayZDVmp5JJtpyCdbNu9ei6E6Nu4jszVGp32fEyk4yZSsWkNjpkDZdOWBMFTYCR1agrjS3gEQ6nL+f9g3AU6QaP9ulu4Pv5Qzi/bs7zNMiXp8/leQRFUZT/lYGOAeByBAgrICKia5gEwGEE8jKBuRZA+N8hRWnuT3W3iIgmh2InYGofGN6YZwGWzhhOVSIiuupyBPj... | 1 |
math | grade-2 | compare-clocks | false | true | The clocks show two things Mandy did Wednesday afternoon: Which did Mandy do second? | "iVBORw0KGgoAAAANSUhEUgAAAfUAAACiCAYAAABYtFTqAAA440lEQVR4nO3deXxU1f34/9edzGSZTBYgJIQtCSQBkSWBoiAQgqhoXft1weWDgID6q6CxthX9QKVKxU/rAoKtVrS4VEWgLqDIDiEoVmUTBbJIEsFkAoFMMhOS2c7vjyEDQwJZCFmG9/PxyCMzd5szN3mf973nnnuuppRSiHar2gUHy6GwQlFQriisgNITigoHVDqg0gnldtBpEBYIRj0YDRBugM5GjR4miAvX6Bmm0TMMggJa+xsJ0f5JXIrWoklSb1+qXLD7iOJbs+c... | [
"played soccer",
"did homework"
] | null | 1 |
math | algebra-2 | describe-linear-and-exponential-growth-and-decay | false | true | How does h(t) change over the interval from t=4 to t=6? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABzMklEQVR4nO3deXgU95kv+m+ru7ULtCKBQAvGYEtIArHYbAYMXmIwMWRy8ORm8VxnJt7inJx7Z548czM5Z3L9+Ml9JpN5kuPkeHLisHiNSbAnBgsQSCyGGIwMAgmMsQySWqANuqVeqmu/fwhpkAHTDfVTdUvfzz88arq+elXVXf3229VVDtM0TRARERERkSUS7C6AiIiIiGg0YYNNRERERGQhNthERERERBZig01Ew6xatQpbtmy57v99+OGHuPfee6GqKgDgzTffxJk... | [
"h(t) decreases by 4",
"h(t) increases by 6",
"h(t) increases by 4",
"h(t) increases by 200%"
] | null | 2 |
science | grade-3 | identify-minerals-using-properties | true | false | Select the one substance that is not a mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEYCAYAAADPtGNgAACy2UlEQVR4nOz9WbAkaXbfif0+393DPfaIG3dfcq+sqqylu7p6QTcawAAgSAzIocgZzowNZ0wyaR7GZCaZ6VVvetWYSSM9yEySjc0CguAIJLGzG0Rv1dXdVV1rVu7b3ePGvvq+6MFvZt7aGs1GFSoLvH+zyIjwjHuvh3/+/873nfM/54jXxll2oQCOzClOcYpfANMEbs7hMISKAl8r58elU2Kd4hR/PTgyXCjkr2fJ4+PSKbFOcYq/Ph7yKMoeH5M+m1M5xSn+9uO... | 2 |
math | algebra-1 | interpret-the-slope-and-y-intercept-of-a-linear-function | false | true | At the Willowbrook Country Fair, Camille will pay an entrance fee in addition to any tickets she buys for rides. The total amount Camille will pay depends on how many ride tickets she buys. This situation can be modeled as a linear relationship. What does the y-intercept of the line tell you about the situation? | "iVBORw0KGgoAAAANSUhEUgAAAjQAAAI0CAYAAAAKi7MDAAB3WUlEQVR4nO3de3xU9YH//9dMkkkySciFS24KiCIQuQhISEiIkduiEZVENIjdVamttl3sd23dfrv+6m6ttN2iFpXu6ndrWde1LSGJoIAXQiEXBJGbEOSmEowkkITcLzOZzPn9kTI1JggBMpMD7+fj0cej+WTmnPc5Dsk7n3OzGIZhICIiImJiVl8HEBEREblYKjQiIiJieio0IiIiYnoqNH+VlpbGm2++6fl67dq1jBkzBrfb7btQIiIicl5UaP5q/PjxlJaWer5eunQ... | [
"Each ride ticket costs $2.",
"The entrance fee is $15.",
"If Camille buys 5 ride tickets, she will pay $25 in all.",
"Camille will buy 5 ride tickets."
] | null | 1 |
math | kindergarten | cubes | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAASx0lEQVR4nO2deXBcRX7HPzOaQxqNNJZlncaHbMsCY1kYG7AJ3rCExLBgb23FpApSIclymGNhoRIqIZujSLLsJpsK1wJrjs0mqUCq4kptMAacsI4XFmNsKUYWtrGEseVD9zkzGmk0V/4YPTG+Z0bvvX4905+/MKN5/fvjq1a/7k932xKJRKJnEr4IQSAG0QQKheVw2KCkAOo9UOUCW084kdjrF12WQpE+15WCoyOU/EeNCxqKk6lWKKxGIAZHxqB7EtpDYPdHkx+... | 2 |
math | grade-5 | interpret-bar-graphs | true | true | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAGrCAYAAAD6jeD3AACXXElEQVR4nOzdeVyU193//9fMwIgDAyIgmyIqKKKCoiKICioaE+IeIy5NTNM2sbGkTXObpO1dv41pmt9dY2Ibm32pTUwCEaIRNVEU3OKOrAIuLKICsu8MzMzvD+tEoiIQFITPs4/mEea65sznXGF5z5lznaMwGo1GhBBCCCGEEB1C2dkFCCGEEEII0Z1IwBZCCCGEEKIDScAWPVZycjKrV6/ms88+6+xSfrKzZ8+ycuVKVq5cSXl5eWeXI4QQQvRoZp1dgBAdqaGhgYi... | null | [
"iVBORw0KGgoAAAANSUhEUgAABKAAAAGrCAYAAAD3pu/YAAD8d0lEQVR4nOzdeVxU1RvH8c8Mi8jmBm4oiivhjrlvuC/knolp5ZqZhi1qm/2sTDMzU9Nyy8zKUhJy10xTc03LXRPNfVcQEFCGZX5/EJMjqEAgiN/36+VL595zz33OnXFgnjnnuQaz2WxGRERERESyhMFgyOkQREREch1jTgcgIiIiIiIiIiJ5mxJQIiIiIiIiIiKSrZSAkkfW/v37GTVqFN99911Oh/KfHTt2jCFDhjBkyBAiIiJyOhwRERERERERK7Y5HYBIVoq... | 1 | |
math | pre-k | are-there-enough | false | true | Are there enough fish bowls for every goldfish? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAAB2y0lEQVR4nOzdd5Qc13nn/e+t6px7ck7IGSAYwEyKQRKVrGRZaa1gW8Fer3NeZ3vt9dryvruWLFui5LUtWbZkiRLFnDNBkASIODOYnGPn3FX3/aMHA4AECIAYADPk8+EBMdNdXXWrfqdPP7h9616ltdYIIYQQQgghloRxqRsghBBCCCHEm4kU2EIIIYQQQiwhKbCFEEIIIYRYQlJgCyGEEEIIsYSkwBZCCCGEEGIJSYEthBBCCCHEEpICWwghhBBCiCUkBbYQQgghhBB... | [
"yes",
"no"
] | null | 1 |
math | grade-4 | properties-of-three-dimensional-figures | true | false | Sophia saw a 3-dimensional figure. It had a square base and 4 triangular faces. Which figure could Sophia have seen? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIcAAABSCAYAAAB+FMeWAAAVNklEQVR4nO2dbaxdVZnHf2ut/XbOfW0pvRSmtsVSlYG0IxBgZrS3xGjLVG8rk0yML201aqJfbjV+wASjEjEaI9WYEI2xF+MHgy+0Dg5jxHjRSWAQscSXUiHDJQRaWwZ6387Ze6+3+bD2OeWCV9t7bylj9y/ZPffss/c+a5/9z7PW86znWRXee3+shCdaMG3BeGrOUyIBfQoua8JQAuJY4f1DU+e6WTWvNq7th+jxVnizKoHX9QTl1JyfTFs4MgtHS/hjC+SUCR/... | 1 |
math | kindergarten | one-less-with-pictures-up-to-10 | true | true | Count the stars in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABeCAYAAAAZpWPpAAATlklEQVR4nO3deXQUZboG8Cf7ThIIS0AERFlEUeCqgOCIIKtKRBYT3EevXufqjKMXFcZhAIEzM15xuCOOnAEEHAayQETWGEIgYQ1bIMGB7AmQBEiANCSkO919/4BmWLL0UlVfLc/vH6W7q773vIdzeLr6ra+87Ha7HUREREREJAlv0QUQEREREekJAzYRERERkYQYsImIiIiIJMSATUREREQkIQZsIiIiIiIJMWATEREREUnIUAE7+3y+6BIMp7imHDXmK6LLMBz2nYi... | null | [
"iVBORw0KGgoAAAANSUhEUgAABGYAAAB2CAYAAACK0JV7AAAhmElEQVR4nO3deXyU5bn/8W/IQhYg7KsoW0WlgkCtoNCKWEVQwSUgsa3a09bWnmp7bK1CqwIqry4/tf6qbX2JCngsJICogLLva9gJWEhIAgGSsAQkEMgymfNHGBogy6zP/cw8n/c/aEjmvvgyOjPX9dzPHSXJLQAAAABB4Xa7VVguZZdKJS6pknfbAIAaYqKkptHSNxKldnFSlGjMAAAAAEFTWObWptOmqwAAhINbmkkxposAAAAAIklWafWvHeKknknVU1EAADx... | 1 |
math | grade-5 | three-dimensional-figures-viewed-from-different-perspectives | true | true | If you look at this object from the side, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFlCAYAAADRb58zAABObElEQVR4nO3de1yU9bo//M8wMKgchpUHRI0BLVy4BER/GRonS92ZuFJxrVRkCereoe4lknSQcgGPpas8oLYSfJ4Uj2gtRSvMHrVEoLBcJaJhUuRAeCDTZsADQwzz+wPvOxHBAe45wef9z7Y5Xuxeu/3h6/W9LpnBYDCAiIiIiIgkYWfpAoiIiIiIOhMGbCIiIiIiCTFgExERERFJiAGbiIiIiEhCDNhmsG3bNvzhD3/AmDFjUFRUZOlyiIiIiMiEGLBNqKioCGPGjEF... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA3gAAAFlCAYAAAC5uUoiAABVmklEQVR4nO3deVQUhtX//8+wugBD474E0DT4YARFvzHGCGiqNlZs3NK60bjk+cblqWjVJJpY8STVNmpc8sTlfKNoXGJStzYY81MbUUgwsYmIBiOJcaC4EGM6gAsQcH5/4EzdQMAZZhjer3N6tMwwc6k2p5/eO/caLBaLRQAAAADswmAwOLsE1GMezi4AAAAAAGAfBDwAAAAAcBMEPAAAAABwEwQ8AAAAAHATBLxasGHDBv3sZz9Tnz59lJ6e7uxyAAAAALgpAp4... | 1 |
math | grade-3 | correct-amount-of-change | false | true | You pay $2.43 to buy a brownie costing $1.49. You receive the following change:Is this the correct amount of change? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACXCAYAAAAvQiyVAADrK0lEQVR4nOy9d5hcd3n2/zl1etud2d5Xu1pJq94l23LH3RRTbAiGJJRACiTkTULeJJAESH6ElDeEEsAJxabY2MbGRbblKsvqvWtVtrfZmZ2dfurvj9kZSyDbkjFxgPO5Ll9aaWdnvuc7c7z3ec793I9g27aNg4ODg4ODg4ODg8MbgvhmL8DBwcHBwcHBwcHh1wlHYDs4ODg4ODg4ODi8gTgC28HBwcHBwcHBweENxBHYDg4ODg4ODg4ODm8g8pu9gJ/Ftm0EAaamEki... | [
"no",
"yes"
] | null | 1 |
math | pre-k | tally-marks-up-to-10 | false | true | Count the tally marks. What number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAABBCAYAAACU5+uOAAAI6klEQVR4nO2dX0xb1x3Hv47pPNvZiGQcUpEAUabAAlOSShSp7kNdjUrTWHgLymPTl7XKXjYp2dM0ZdKk9nHiYQ9b97jBG6zRpCUKnVYqwbS4k0xlUkUGk2xg7A432MBicvfgXsd/77nnnt/1n+vf5ynyJV9fOOd3zu/fvcelaZoGhmFqcqzZN8AwrUwXlVAum8fmehZenxv9Z4+zng3Eohm4XMDQSHdL6jkRZQOJRTNYmFvH2mqm+JnX58ZbPzqN7/+wDz6/3FfEohn... | [
"9",
"2",
"8",
"7"
] | null | 3 |
math | grade-1 | which-table-is-correct | true | true | Nina looked in the kitchen and found the following desserts:She decided to count how many of each there were, so she made a table of the desserts. Which is her table? | "iVBORw0KGgoAAAANSUhEUgAAAWoAAADyCAYAAABkmo95AACWuUlEQVR4nOz9eZgcZ3nvjX9q732dfdVIo12WZFu2ZVuyCZsx2BibLSx2CG9OIC8hF1kgye9cJxB4OZBDgJDkHEKWE0gICQkY8I6NMV5kyza2LFm7Zl96tu6e3muv+v3RI8nCNmAjWfKoPrrmGnVVdc9Td1V/76e+zyZ86lOf8gkICAgIOGeRAT75yU+e7XIEBAQEBLwI4tkuQEBAQEDAzycQ6oCAgIBznECoAwICAs5xAqEOCAgIOMcJhDogICDgHCcQ6oCAgIBznEC... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAqEAAADyCAYAAAB9JxwuAADE5klEQVR4nOzdd5xkVZ3//9dNdSvHzmF6coaBYYYZYAZcBWEURFEwoqjrquvizzXvz993TcuqXyOu33X9rrpiYL9+RRSQIAhIHkCYnDvnUF1duerm3x/V0zNNkDwz9Jwnj3kMfet29b2narrffc7nnCN96Utf8hAEQRBOWF/60peO9yUIgiC87FSAL37xi8f7OgRBEIRnIUKoIAhzkXy8L0AQBEEQBEE4+YgQKgiCIAiCIBxzIoQKgiAIgiAIx5wIoYIgCIIgCMI... | 0 |
math | grade-4 | identify-equivalent-fractions-using-number-lines | false | true | Is 2/3 equivalent to 8/12 ? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABwCAYAAAAkAwevAAAahElEQVR4nO3de1BU5/0G8GdhARFYWdhVWFRAA4qESqIhYIK21aQmDsZbIvGGUZomo0ltNW0cf9Nam1pJ0tHGSzGxjAZNp4lpaxKMbaIBUgoiajVasGYVTVyVVRfkssgunN8fuFSiEnZZec85Pp8Zk3CWzDxf4RweXt5z0EiSJEEl8vPzYbFY8OKLLyIwMFB0HCKhzp8/j7fffhtJSUl4/PHHRcchEq6goADHjh3D/PnzMWDAANFxiIRqamrC+vXrMXDgQMyePVt0HNX... | [
"yes",
"no"
] | null | 0 |
math | grade-1 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABPxElEQVR4nO3deVjU57k//vewDYgwg7KIqDOgUUEj4xLXyBI1m4lik7TN0oDnZOnpSVpsm/ac0zbgaXv6a9NTMck5p22Sr5OtSdMYMcYsGuOIWzAGB40gRmBQFBGUGRCYYVh+fyATllme2ZgB3q/r4sow83w+cweZi3ueuT/3Lenp6ekBERERERF5RICvAyAiIiIiGk2YYBMREREReRATbCIiIiIiD2KCTURERETkQUywiYiIiIg8KMjXAZDvmTu6YDZ1osPUiQ5TFzp... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABaK0lEQVR4nO3deViTd7o//nfYAiokKIu4JaAVWSpxqQu2LHXpYltxtDrdBpypnTnzbac4M535njMzgu3Mmd9MpxXazvnOjO2RbtPaumCtrdVaERWLtRhUQKxAEBQRlAQEEsLy+wNJ2ZI82UiA9+u6uEyefJ7PcxOSNnfuzyLq6urqAhERERER2YVIJHJ2CERO5+bsAIiIiIiIiGhkYaJJREREREREdsVEk4iIiIiIiOyKiSYRERERERHZFRNNIiIiIiIisisPZwd... | 0 |
technology | grade | font | false | true | Identify this font type | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABQCAYAAAAwa2i1AAAIAklEQVR4nO2dTWobTRCGW76IlwbLOUTAGDw6iseLXCOg8SIIvMkBss/IEHILjQzZBHKRdBahTGvU9dOjkUetfh8YyOf5q66pt7v6R/3NvPfeAQDOmoupDQAAHB8IHYACgNABKAAIHYACgNABKAAIHYACgNABKAAIHYACgNABKAAIHYACgNABKAAIHYACgNABKAAIHYACgNABKAAIHYACgNABKAAIHYACgNABKAAIHYACgNABKAAIHYACgNABKAAIHYACgNABKAAIHYA... | [
"Terminal",
"Challenge Extra Bold",
"Wide Latin",
"Commercial Script BT"
] | null | 1 |
math | grade-2 | place-value-models-up-to-hundreds | true | false | Which place-value model shows 310? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMMAAACSCAYAAAD4rX74AAAVpklEQVR4nO2de4xkWV3HP/fce+td1VXd090zsy9XdiTAyi4Iu8CyClGiq65P4iuEBFH+MSoa/jAxhgiJj8T4hzGarA9ixEQhIoqrBATFVxQDrA/EZXfZnWVnd2a6u97PW/ec4x/3VNe7uher6XH790kq0z339Dm/qnu/5/X73luetdZejeDxLrQ0xBZBOBMEHhR9uJSD3RR4VwfWfrp52mEJwulybwmCx7rJLxdS8OJ8ohRBOAu0NDzageci+GIXVDNODogQhLN... | 1 |
math | kindergarten | fewer-and-more-compare-by-matching | true | false | Which group has fewer? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAXYAAABeCAYAAAA31j+KAAAF70lEQVR4nO3dv28TdxzG8ccJGAnH2ENVGlEJiNSWTkm6sJAoEiy0qpqFrMA/AGaFmXaswz+QdHUWtx1YGGjCxIKzQalMKhUlVTu4dohkl+g6uJZIiBPf3ed++Kv3a6GU6nv3NtKTOglcxvM8b6sj/bYjtXalt54AAEPkWEbKj0qfnJROZ6XMVtvznjaTvi0AgIWLp6RjL3e6PxnPSp/luqsPABgerV3pxRtpsyP9uiONNN92f4FRB4DhlB/tbrgkbe9KI7vv/AI... | 1 |
math | grade-1 | times-of-everyday-events | true | false |
John is brushing his teeth before bedtime. What time is it?
Choose the more likely time. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAAA2CAYAAAAlHWAMAAAIdElEQVR4nO3dbUhTbx8H8O/xCTYf7s2mbbZc06xoYSnknyJIkZ7MW8WyzITMFBHRylCMLMooX0RRYBQIFkLpm8CHIgyh3kR4m+JMEW0pmWlpqc18Wv/td7+w7f6vPairo+V9fWDornOu87vO9t12rjO2cUREH3SAZgIY0wN/Exhm3lw4wNMZCBICy90A7sM00X+0iz0sZin5ywtweT0xc0XmBqx1n0kdw8zXmB7oHAcGdEDXBOCk/XtmAQsV8zM8nWcyBABf9YC... | 0 |
science | grade-5 | identify-mammals-birds-fish-reptiles-and-amphibians | true | false | Select the reptile. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9d7Bu6XXeB/7etNMXTg43x763c+4GuhtAEwAhkiDBICqbGluWabtGsmfssWWXbHnkVCOVazweaeSxZFqyRIliAEiKYgCIQIRG55z79u2b08nnfGGnN80f+6Bpl6EpFHv+8FRpV906p879vhPe/ez1rvWsZz2veGEvxrM9GCj+5fUvr/9dXmMP703hZgtzGj4x231d/kvg/svrf+/XQMHZXvf5xP/h1+W/BO6/vP7/4foeTm38w6/p7/fCv/qvfp4... | 0 |
math | grade-8 | parts-of-a-circle | false | true | What is W? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADICAYAAACdx5VnAAAvc0lEQVR4nO3daUBU5eLH8e8My4CAiqi4oriLmmEuKKKmolJuLTet7HrLbntpi/nPzNvi7bbcLMvuvamZWd7UW7llmUvu4VYqimuKoqKgAgbIPvN/gR4hd0XOzPD7vOk858yc8xuaF785PvOMxeFwOBAREREREbdgNTuAiIiIiIiUHhV8ERERERE3ooIvIiIiIuJGrBaLhRUrVpx3oFOnTtSsWfO8/QcOHMBisfCf//yHKVOmYLFYKCgouOFB7777bnr27HnNz58zZw4... | [
"chord",
"center",
"diameter"
] | null | 1 |
math | pre-k | tally-marks-up-to-10 | false | true | Count the tally marks. What number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAABBCAYAAAAngwHRAAAG6UlEQVR4nO1cX0wbdRz/dO3SQstKiknpwBRllEUTMRlm8KTjcTCetpiIi4mJWR/VuDd1zvhg4sNeIfpglozExMTIxuLTOh8cRLtk3bLFlizSWDowFNuVQnGM86Fcacvd/e7X3/fKtfB5aMrd8bn79XPff79/FkmSJBzANDi01w9wgHLYqIjWNrNYyMXQZHWh09V7wFclhAWJZcKYnp/AXCZcPNZkbcFQ5xhOdbyDZlsLN18oMYlIKkTCl1iNYjo+YVq+SlhEYsiN+Dh... | [
"5",
"1",
"9",
"4"
] | null | 0 |
science | grade-4 | identify-living-and-nonliving-things | true | false | Select the living thing. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAC7bklEQVR4nOz9WbBlaXbfh/2+YU9nvmOOlZVZU1d3Vw9ATxiaIBkEBzBAiRAHgIRkWaZshyxa4Qg/2eFQ+M0vfvOr7AhFEEFJpEQSNAACbDQxEmj0XF1dY2blfOd7z7zHb/DDt8+5N7OquwpdpEKOwK44tfOee885++y99vrW+q//+i/x9an3H+tCX/Fn259t/4vc5hbeWsJ+DRsavjwKz8s/M9w/2/6XvvUVfKwb/r2w58/LPzPcP9v+/2Fb2Wnjz5/T7/eH/9U... | 2 |
math | algebra-1 | perimeter-and-area-changes-in-scale | false | true | Look at this triangle: If all three dimensions are tripled, then which of the following statements about its perimeter will be true? | "iVBORw0KGgoAAAANSUhEUgAAABUAAAAOCAYAAADABlfOAAABWklEQVR4nM2Tv2rCUBTGv3tTuMt1iUMQEYWsvkDAWcjmoDio4KaD4KS4uzj7Ai6+RnBSB2cHQRAUdTTgpBA+h7ahpQ0NUmg/OMP59+PAOUeQJH5Z8pmm3W4Hx3GglEK32/1awDctl0sWi0UmEgkqpXg4HBilWq3Gfr/P2+1Gkkyn01ytVmEeJLlYLGhZFqfTKS+XSyTsXfl8nvP5PPS/hRYKBU4mkx9hJNlqtQggNNd1P/nD4ZDwfZ9CCFarVVqWRa01S6USz+dzJNi... | [
"The new perimeter will be 3 times the old perimeter.",
"The new perimeter will be 2 times the old perimeter.",
"The new perimeter will be 4 times the old perimeter.",
"The new perimeter will be\n1\n2\nof the old perimeter."
] | null | 0 |
math | grade-8 | identify-functions-graphs | true | false | Which of these relations is a function? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAATIAAAE3CAYAAAApC812AAAb50lEQVR4nO3dW1Bb170G8E+ALkjmYqcImjQFmjgwRin42OaS21g5fSgxtOPM1HT6VLvNTNIxDx1n2jzFSd107Eyal5AmfTh22slDcTsd54DHbtNjeZJOATmMFVfkYCeNhNM5BpHEAiwhics+D2ILXbnY2tpaW9/vBbQRW8sgPq/Lf++lkyRJmowAnwSBuSVgUQIRUV4r0QFlxcB2M1BtAHSTYUlyzqrdLCKi29NWDpR8HIw++KoBaLBEU46IKJ/NLQFXA8CNCHA... | 1 |
math | grade-1 | which-bar-graph-is-correct | true | false |
Jim cleaned out the family desk and found eight calculators, seven highlighters, and four paper clips. He made a bar graph of the items he found. Which is his bar graph? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAbIAAAEOCAYAAADse5ISAABXKElEQVR4nO3dd5xcVf34/9ct02d2Z3vPbnonvYdQQid0ECwUFQQFwd9XEPwoiChKUSkqIIiAICogIIQaSkiBBJJAem/b+87s7PQ79/7+WIhG0iDJTHb3/Xw8eJDJbe872Z33nHPPOW/FsiyrMQFbIhBKgWEhhBBCHLF0BXwaDHZDkR2UxrhlfdiZ6bCEEEKIL25KFuibI90vSuww1NOd5YQQQogjVSgFG8PQkIBNEVA7je4NksSEEEL0BD6tO2cBdKVATf3XBiG... | 0 |
science | grade-8 | predict-heat-flow-and-temperature-changes | true | false | Two solid blocks are heated to the temperatures shown. The blocks are placed so they touch. Which diagram shows the direction heat will flow? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAbzklEQVR4nO3deXwU9f3H8deeuSAhBzk4QogkQDjllksQsYioeOBtaz1awSrW1mq1HhVUxFrFevy8Wq1IFQRUAoIghwLhSiCYBBJISMhNLnJn798fGxZCAgSyzCzJ5/l4+DA7+93Z7+53ee/MZ+a7o3E4HI4iMxyug2obWB0IIYRb6DXQWQcxvhBmBE2RyeHYVaV2t4QQ7d1of9AfqnPeiDBCXz9nGgkhhDtU2yC9FgrNkFEH2iqr8w4JGyGEu3XWObMFoMYGWts... | 2 |
math | grade-7 | changes-in-mean-median-mode-and-range | false | true | Look at this set of 10 numbers: How would the mean change if the number 60 replaced the number 30 in the set? | "iVBORw0KGgoAAAANSUhEUgAAAYkAAAAkCAYAAAB8KMY5AAAKaElEQVR4nO3deVCU9x3H8ffuci6nXJ54RkXwINCoiEKq5FBjvEo8YmJjTDWJneYwbZom04zJ1BidNMdonGg1mjTedxKCikZRFI2CFxGNoCJWFBTkWJaFffoHcZsFNj4M+5RN+33NOCPP/tbfZ76/n3yffZ5l0SmKogDUKjVU11VhVeoABSGEEP9vdOh1BrwMRtx0HvVHFEVRzHWVmK2mVg4nhBDCVXjqjXgajOjrFIs0CCGEEHbM1ipqFQt6c11Va2cRQgjhgmrqqtD... | [
"no change",
"increase",
"decrease"
] | null | 1 |
math | grade-2 | name-the-three-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAENCAYAAAA1yBIEAAAXbklEQVR4nO3dfWxd933f8c8595IUKerJtOKH2LLdSO6apHbjbLOLJenqYdgQD1mAJf+sTYBh6xZ0WJdi+WtI2wEd2mFI0TTohjYYViDZX3OCzAacdUPnLoax2lmbTMqjLdexLdlSLFFPpPl47zn74/JRDxYlHfKK5Ov1D3kPj8ivDP/x5k+/+ztFXdd1AACARpT9HgAAALYSgQ0AAA0S2AAA0CCBDQAADRLYAADQIIENAAANEtgAANAggQ0AAA1q93uAvuicSzV5ZPn... | [
"cube",
"cone",
"sphere",
"cylinder"
] | null | 3 |
math | grade-2 | greatest-and-least-word-problems-up-to-1000 | false | true | Several families compared how many vegetables they ate in a year. Which family ate the most vegetables? | "iVBORw0KGgoAAAANSUhEUgAAAeAAAAC9CAYAAABrs64IAABgD0lEQVR4nO3deVzM+R/A8ddMUyrRqZAjhLBUCLHI0VrWFetKlljLWvcSdlnsz30fu65du1grrJtFVilnciXsuiK5SnTovmZ+f6SvRtcUlePzfDzmYfrO5/v5fL4zX/P+fq7vyFw8jqoQBEEQBKFYKQC+6udUwtUQBEEQhA/HOk9f5CVdCUEQBEH4EIkALAiCIAglQARgQRAEQSgBIgB/AOKUKgbdj2fkwwTilGLOnSAIwttABOB33OmENP6MTs4zsAYlpROepiQ4JZ0... | [
"Cartwright family",
"Yamazaki family",
"Wensing family",
"Grisham family"
] | null | 0 |
math | grade-1 | count-sides-and-corners | true | false | Which shape has 3 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAHJUlEQVR4nO2dzWtUVxjGn5nMhMSPTBU/JgSDCZjoohZbqkhp6ar/Q5ddtX9Bt1105b6LdlXoxrVIF64qlUKxIAilYOKiEMTUhUjiBIxObxfHodr6dc8978c59/mByCQ5M5d7frzvvc/ce0+nqqpqcxe4vQNsj4EnFQhpTK8D7J8CTuwBjk4Dnc1HVXV9y3qzSMmcmwN66zvhxfw0sLo3WEhIU7bHwK0RcHcXWNsBultPwi8oGUnJ/qngFAA8HAPd8TO/ICQlE6c... | 1 |
science | grade-5 | compare-properties-of-objects | false | true | Which property do these four objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAAEAAElEQVR4nOy9Z3gcV3qmfZ9KnQPQyJkJzEEMEpWzRpM8yZ4Zj/M4r2cdx1577dn9bK/X3nVYr70e5zy2J+ekLFESJUqiJOYIEACRc+dQ4Xw/qrvRAAESpEgx9X1dhe6urtSF6urnvOd53yOklBIgl8sxMjJCIpHAsiyqVLnaaJpGOBymubkZr9d7RfdVvf6rXGtUr/8qNzPV67/KzczluP6FlFJms1l6enro7OzE6/Wi6/plPtQqVS4e0zTJ5XL09fWxZs2aK3aTr17... | [
"slippery",
"sticky",
"soft"
] | null | 0 |
science | grade-7 | compare-concentrations-of-solutions | false | true | The diagram below is a model of two solutions. Each pink ball represents one particle of solute. Which solution has a higher concentration of pink particles? | "iVBORw0KGgoAAAANSUhEUgAAAbAAAAEVCAYAAACBn7B3AABv7ElEQVR4nO29eZwcVbk+/pyq7p6eLTPZF0zIEEICJGEzRCCAoCxC2L0gKAr+EC8f70X0i+i9eL2KFzdUFBeuuCFX0O8XRLgKBgiyCYphiQESDYSQhCRkIZNllu7prjq/P+os76mqnkySmclM9/vwCTVVXV1bn+e87/u87zklpJQSDAaDwWAMM3j7+gIYDAaDwdgTsAFjMBgMxrAEGzAGg8FgDEuwAWMwGAzGsAQbMAaDwWAMS7ABYzAYDMawBBswBoPBYAxLsAFjMBg... | [
"neither; their concentrations are the same",
"Solution B",
"Solution A"
] | null | 0 |
math | calculus | identify-functions | false | true | Look at this graph: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAETCAYAAADH+ejgAAAZjUlEQVR4nO3dfVRUZR4H8O/wNsPbMIwakpsbHTpw2jyORxLoxVbrlFQW2nu7nuqo29k2FajseDrtYddcy1IQsDLNfGkrzXVRTO3VY3UO4IGcDmawx118yQW0hWEY5o0ZZv+4zQwXJvWBgXn7fv5Rr5frU1y+89x7n/v7KVwulwtERAKiAj0AIgo9DA4iEsbgICJhDA4iEsbgIJ+sViusVmugh0FBisFBPun1euj1+kAPg4IUg4N8qq2tRV1d3S/+fVVVFQoKCnD27Fk... | [
"yes",
"no"
] | null | 0 |
math | grade-8 | model-and-solve-equations-using-algebra-tiles | false | true | Which equation does this set of algebra tiles represent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABiCAYAAABqHaQ/AAAKU0lEQVR4nO3dXWxT5x3H8d9jO5jOsKTNYlIIqO2kdkn2UmAJK6ww0bV3nbY5u5jEerNKQ5rQpi5oF2NCME0oW9VxMW4mtDftpmgpUjW0SVMmMQZoQWvXSUAZrRoPCsZBy4RiSMCPn12EhgSnEnaec3w4/n4kJHJkzvfk4eL527FPjHPOCQAAAIAXiUZfAAAAABAnDNgAAACARwzYAAAAgEcM2AAAAIBHDNgAAACARwzYAAAAgEepRl8AgPiyxWG50lnv5zWZbiWzOXr... | [
"– 7x–1=27",
"– 7x–6=22",
"– 7x–7=21",
"– 7x+6=27"
] | null | 3 |
math | grade-6 | interpret-histograms | false | true | A candy dispenser put various numbers of orange candies into bags. Which range of orange candies per bag occurred least frequently? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEECAYAAAASx0PMAAAyy0lEQVR4nO3de1jUdcL//9fMcBYFJBQJ0/VW1yRIRaVSV1HR9bRqaqGV7mZrpZXbatbe27fb7q7r5l7tYKaZlXuXq2ZWHoDU1DzkIUXJU5rnBEFUVM5HZ/z8/vDHrCTgoAMD9nxcV9fFfOZzeM28Ha7XvHvPYDIMwxAAAAAApzC7OgAAAABwJ6FgAwAAAE5EwQZq2aJFi/T0008rOTlZkjRjxgw9/fTTOnfunIuT3bo74TEAAOAsbq4OgPpnz5492rRpk86cOSObzab... | [
"31-35 orange candies",
"6-10 orange candies",
"26-30 orange candies",
"1-5 orange candies"
] | null | 0 |
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