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-2 | interpret-bar-graphs-ii | false | true | Rosa went to the farmers' market and saw some melons, limes, and peaches. She made a bar graph of the fruit she saw: Did she see more limes or peaches? | "iVBORw0KGgoAAAANSUhEUgAAAewAAAFfCAYAAACMdP+7AACSzklEQVR4nOzdeXiddZ3//+e9nj3nZGubNG3TnbZQKAWKCEgZkHHFQUbGZQbcFRXB2Ryd36hfndFxxhFwm8EFXBBHVEBwYRELglCk0MWWLnRJ2iZplpOzn3u/f3/cadqObCltk7Tvx3Xl4iz3Offn3A15nc+uhGEYIoQQQogJTR3vAgghhBDixUlgCyGEEJOABLYQQggxCUhgCyGEEJOABLYQQggxCUhgCyGEEJOABLYQQggxCUhgCyGEEJOABLYQQggxCUhgCyGEEJO... | [
" peaches",
" limes"
] | null | 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. | "iVBORw0KGgoAAAANSUhEUgAAAngAAACtCAYAAAAj+wKPAAAi3ElEQVR4nO3deXxU5b0/8M8smSUJmUxWEpIQQxJDwr6ICCIICkEUBb3YuoClFLUu+Kq16FV/9qVtpdd7Jbe9VbFFodalqFVAFBUFVDbZd0IWshMgk8k2mX1+fwApkEBmkpl5zsz5vF8vXi+TnJz5THzOM9/znOc8R+HxeDwgIiIiorChFB2AiIiIiPyLBR51snfvXigUiov+aTQa5OXlYfHixWhtbfVpf3feeSemTJnSoywHDhxAXl4eYmNje/T7RERXIpX+7vDhw7j... | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is greater in Pair 2."
] | null | 0 |
math | kindergarten | spheres | true | false | Which shape is a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAXZUlEQVR4nO2dX2wTV77Hv2n+OcGxzdrOH7BJqGxDdkGZBpa9RNBSgnSblmqh0obtviR0H/b2StvSZXUfgq4apAsrXaksdFfq9qGQPC2bSrfpJht6dQmbFghXWUgcgTbEziUOk2yC/yj+V8fOH+U+TM4kjp0SyIxnxj6fl4TxMD7x+fjM7/zm/MlaXFxcnJoFRiJAaAGYXwSFIjtysoCibMBaCJTkAVlTscXFvqDUxaJQ1s+PNECOM8L9oywP2LGJs5pCkRuhBWD... | 0 |
math | grade-2 | name-the-three-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEbCAYAAADgR/OCAAArf0lEQVR4nO3de3Rc5Xnv8d+eGWl0v1mWbEXGxoDlGGzZAoy5xPi4uZyQFNKUpJykScNKW3LShtOkSWDRs1basxrSNGmaLrKSJpS2CYVDWpMESA5JAdfxsrEhtrFsML7gK7Zl3a8jaaSZec8f0oxmdLFnj2e0Z/Z8P2ZZ0syevZ/Z8kav3v28z2MZY4wAAAAApIXH6QAAAAAAN2GADQAAAKQRA2wAAAAgjRhgAwAAAGnEABsAAABIIwbYAAAAQBoxwAYAAADSiAE2AAA... | [
"cylinder",
"pyramid",
"cube",
"cone"
] | null | 2 |
math | grade-4 | identify-parallelograms | false | true | Is this quadrilateral a parallelogram? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAnRElEQVR4nO3d6Z9U5ZnG8auqq6ur953eAFkERHGJJhoyxhkSNSEqgiwKAYNGSUyMosloxj/Aic5E0THRKBEMIiqLiBqMGyM6EjHiLiJ7A72v1Vt1dS3zIlKnCrsbmq6qc6rq9311nvrU6b6h68XVT9/PfWzBYDAoAAAAAFFhN7sAAAAAIJkQsAEAAIAoImADAAAAUUTABgAAAKKIgA0AAABEEQEbAAAAiCICNgAAABBFBOwk19Tk1xOPNWrbW11mlwIAAJASHGYXgNj... | [
"no",
"yes"
] | null | 0 |
science | grade-6 | identify-ecosystems | true | false | Select the tundra ecosystem. This ecosystem has:
long, cold winters and short, cool summers
many evergreen trees
soil that is poor in nutrients This ecosystem has:
long, cold winters and short, cold summers
mostly small plants
soil that is frozen year-round This ecosystem has:
a small amount of rain or snow
dry, thin s... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOz9ebRlaV3fj7+eYQ9nulNVV1V3Vw80DY0tg9CiqKhgVFbULCMixCAsgkaNMXGCBJUlMWYp+RKyXChBEwVRTNSlcViJ0SiCgiIIyNDI0EDPNdedzrCHZ/r98ey97zm3bnVDIsIvvd+1Tu27z56e/Zxz133v9+fzeX/EX+2FcNsIJooePXr06NGjR48ePT4jmDr46BzEvg2hJ549evTo0aNHjx49PtOYOhAhhPDZHkiPHj169OjRo0ePRwb08sp3vfH... | 2 |
science | grade-5 | identify-phases-of-the-moon | true | true | The model below shows the Moon at one position in its orbit around Earth. The white half of the Moon shows the part that is lit up by the Sun. Select the phase of the Moon shown in the model. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAGSCAYAAACWpbVCAACwGklEQVR4nOzdd3wUdfoH8M/MbE0nCQRII/RikE4woNgQQUURFRT11Dvb6al3Zzvbnd5ZuOJxij/b6VnROwsqImJBlBI6JNIUCAmBJBDSNputM9/fH7M72U02ySZbZsvzfr14ZWd2dudJIXnmO8/3+XKMMQbSK88++6zaIRBCCCGExKR77rlH7RCilkbtAKLdn/70J7VDIHHEYDDAarWqHUYHHMdh4sSJ2L17NxwOh9rhkBjAcRyiafwpISEBra2tvX69RiP/OXY6ncE... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA50AAAGSCAYAAABg5aW2AAEAAElEQVR4nOydeZwcdZn/P3V0V/V9zZWZyUxuICEBcoeAoNwJcgkYEFTwwhPd9VxcL1xUdl2Wn+ACrqIioK7uokZERAHXmJOcJCQQSCaZ++j7rO6q+v3R8/1OdzJJZjJH9cw879crr+6qruPpyUx3fep5ns8jmKZpgjgtHnjgAatDIAiCIAiCmJR85jOfsTqECYsgCFaHQBBlyFYHMNH5+te/bnUIxBRCVVVks1mrwzgOQRCwZMkS7Nq1C/l83upwiEmAIAiYSPd... | 1 |
math | algebra-2 | identify-the-direction-a-parabola-opens | false | true | The graph shows a parabola. In which direction does it open? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAHyCAYAAADRDLnIAABsd0lEQVR4nO3de3Rc1Z0n+m89VXqXLMmSsJGMMTbIWAaDDSI2htgJbpww2GkGOp3ndPftSec5K7dv0r1yc2/THiar0ySru0ma7jtpIAMzmdABEmxkY2KBjYxfwpYt+SULW5Ys9CipVKrnedQ59w/pyJYtWVXS3vWQv5+1WAuVzvme7VLV0a+2fmcfm2maJoiIiIiISAh7ugdARERERDSXsMAmIiIiIhKIBTYRERERkUAssIluEA8++CDeeOON8a9/97vf4Y477oBhGOk... | [
"up",
"left",
"down",
"right"
] | null | 2 |
math | grade-1 | flip-turn-and-slide | false | true | What has been done to this letter? | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAFDElEQVR4nO3dz0vbdxzH8VeKinoocf3hsrJOYbNuDGQw2DFfpYeN/QVKYQkrhdHL7rvE/2C3XjqSDcHj3H1TY9mh7ND0sNHKQN0PRIZrOpgt4vrZQXTOfDUx+Sb5fL/v5wN6yffrKx+++b7wm+Tbt6lsNuuCIFAUyuWynHMir/m8paWlSLK6LQgCr4+ztbyeIAhUKBQiCZydnZVzjrwW8pKC88qvvHORJAHwGkUHDKDogAEUHTCAogMGUHTAAIoOGEDRAQMoOmAARQc... | [
"slide",
"turn",
"flip"
] | null | 1 |
math | grade-8 | parts-of-three-dimensional-figures | false | true | In the cube shown below, which lines are parallel? R | "iVBORw0KGgoAAAANSUhEUgAAAN0AAADNCAYAAAA8EnWBAAAbGElEQVR4nO3dfVATd/4H8HcCBNQgEEBBEDzBqc/izTUtgvZUMIhFiw6tDoxaHev50LtpvRmqddSz9Wq1vevNHep44slV6gNVpmKFCOiUg3qKXvWs+ARXpCiPBtSAEIH9/eEkP0IIJrDZp3xeM5mGTbL7SeXN97vf3f2ujGEYBoQQzsj5LoAQZ0OhI4RjFDpCOEahI4RjFDpCOEahI4RjFDpioa2tDb///e8xcuRIqFQqzJ07F9euXeO7LMmg0BELGzduxOeff47w8HA... | [
"UY\n and \nVY",
"XY\n and \nUY",
"RV\n and \nSW",
"TU\n and \nTX"
] | null | 2 |
math | grade-1 | estimate-to-the-nearest-ten | false | true | How many marbles are there? Estimate. | "iVBORw0KGgoAAAANSUhEUgAAAdEAAAE2CAYAAAA+gqihAAEAAElEQVR4nOz9eZBdV5XmDf/2PufezNQsGSTZShnQYGxsS+4qU5Zs0wa7q6HLIqKaoQObobt4uwsMX7w0NUQxRzTVZUNVdTRUdQGmo1/AgE2Beb/+ojwADWbwIHmoKkvCA5aMsZSSJdvKVI437xn2+v7Ye5+zz82UlJnKUborwj55bqYyz7D2Xms961lrKRER2tKWtrSlLW1py6RFz/UFtKUtbWlLW9qyUKVtRNvSlra0pS1tmaLEc30BbRlfpNGPOfQEAKprGXrdJXN... | [
"about 20",
"about 50"
] | null | 1 |
math | grade-1 | interpret-bar-graphs-ii | false | true | Jenny asked her friends to vote for the best dessert. She made a bar graph of their votes: Which dessert got the fewest votes? | "iVBORw0KGgoAAAANSUhEUgAAAlUAAAFfCAYAAABndTlJAAC7q0lEQVR4nOzdeZwdVZ3//1fVrbr70vuWdPaELJAEQkIIBBLCpmyyKIg4gKAiIOL8FBlhRp1xRkUZARdGGDE4X0RxIeybhJCwJED2jezpTqf32333papu1e+PS5pEIKSTTneHfJ6PRx72vbeWTx3b22/POXVKcRzHQQghhBBCHBJ1oAsQQgghhPgkkFAlhBBCCNEHJFQJIYQQQvQBCVVCCCGEEH1AQpUQQgghRB+QUCWEEEII0QckVAkhhBBC9AEJVUIIIYQQfUBClRB... | [
" popsicles",
" cupcakes",
" brownies",
" cookies"
] | null | 1 |
math | grade-3 | scalene-isosceles-and-equilateral-triangles | false | true | Is this triangle scalene? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADbCAYAAABX2OaCAAAV8klEQVR4nO3dWWyd9bku8Gc1uGRyIE7Ahx7Vu1SO6CEJJKET0DIVCoVSCMFxBsQFN5UQrU7Vc1NVReK2F3BRqeolqtSqctibtrQM3VuiOuVQtVJ27IxQUcAKQylt6N4ZbMdx1rlIHTvEy8MavAb/fpIle2mt73t99+jTs95/oVgsFgMAAFTFR+o9AAAAtBIBGwAAqkjABgCAKmrYgP3QQw9l8eLFZ38uvPDCrF+/vt5jAQDAtArN8iXHRx99NBdccEEeffTReo8CAAA... | [
"no",
"yes"
] | null | 0 |
math | algebra-1 | match-exponential-functions-and-graphs-ii | true | false | Which graph matches this equation?
\[ y=-3(2)^{x}-3 \] | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVUAAAE1CAYAAABX+HN0AAAg8klEQVR4nO3dfXAUZZ4H8G/PTDJ5JSPkTV4SEnQTQCCQXZKgR0RPeVm5EyxFOV0BwdM1rnsnVYfeedG61WUt5Lb29tZXVDxPtBCOIrABfIES1yRKYKKCSRAILCFvhAx5ncm89P0xzEyGBMhL93T39PdTRTHT0z3PL5mZb/rp7ucZQRRFsbEX+LEb6HADLhFERDRIJgGINwI3xgApkYDQ6BDFr9uVLouISPvyRgGm493eO9dHAlmx3sQlIqLB6XADNV1AQy9Q2w0... | 2 |
math | grade-1 | equal-sides | true | false | Which shape has 4 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAF50lEQVR4nO3dz05cZRjH8Wf4Z6ytJppo3JkYrRuXhitw5zW4cOOVeBEuvAE2hZQmpu1CSyHQQBdgGxiUGocZxsIAMlMmjDN5XYwkJlrLzHnP8zzvOd/PyqY28+acL4UZfmUqIYTQ7In8fC7SHoj0gwCZTVVEbkyKfHRN5L0ZkUrzIoRHZ9bHQpHNvikytXs+/MX7MyI33xhWCGTVHojsvBA56IlUz0UmzvrD3yAyxHRjctiUiEhnIDIx+MdvADFdNvVnEJmwPQr... | 2 |
math | algebra-1 | identify-linear-and-exponential-functions-from-tables | false | true | Is this function linear or exponential? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAgVUlEQVR4nO3de1SVVQL38R+HmzdAJ4FIMcAyFCXxxpSZLW80zjh5w8CSLPNGpl1m1MrIdNBUKmVaoqOmzIAykuGkktfSnDHQSh19BcsAzdQkyREQFQ68f/h63mHAvLABT34/a/EH+zxn7/3w15dnPec5DiXbXCpkBxp0P6gL/2pf39uodQ16XazvLQAAAKAGLPW9AQAAAOCXhMAGAAAADCKwAQAAAIMIbAAAAMAgAhsAAAAwiMAGAAAADCKwAQAAAIMIbAAAAMAgAhs... | [
"exponential",
"linear"
] | null | 0 |
math | pre-k | name-the-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD1CAYAAABqfoLEAAAHyklEQVR4nO3d25HcRgxAUcj5h+NyFHYucgTjD0nWajUPktMPNPqcCPB5i9UEvtxut1sAAABN/DF7AAAAqERgAwBAQwIbAAAaEtgAANCQwAYAgIYENgAANCSwAQCgIYENAAANCWwAAGjocGD//fXPnnMAAEAJhwP7n3//EtkAAPDCqSciIhsAAJ47/QZbZAMAwGOXfnIU2QAAcN/lLSIiGwAAfvfWmj6RDQAAv3p7D7bIBgCAn5ocmhHZAADwTbNLjiIbAAAan0oX2QA... | [
"triangle",
"square",
"circle"
] | null | 0 |
math | algebra-1 | model-and-solve-linear-equations-using-algebra-tiles | false | true | Which equation does this set of algebra tiles represent? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABiCAYAAABqHaQ/AAAIlUlEQVR4nO3dX2id92HG8ec9R6ocqakTNqm2Gmyww1IbNkiCs5b2ZoOAXQq7kAm+7ZV3sYzBclVyXeI734yMwSCEMZIF5VrEjKQVI7FDbZY28tqitNaY5UlO5MiW/0R6z7uLUCVzzGKR35Hn834+oItzOLzf1xe2Hg7n/Fw1TdMEAAAoonOvbwAAAAaJgQ0AAAUZ2AAAUJCBDQAABRnYAABQkIENAAAFDd3rGwC2R700nWbtfPHrVmMH0p2Y0tPT+z96QLtUvz8H++z... | [
"3x=24",
"8x=24",
"8x=16",
"3x=21"
] | null | 1 |
math | kindergarten | one-less-with-pictures-up-to-10 | true | true | Count the ladybugs in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABPM0lEQVR4nO3dd3Rcxdn48e+9u5K276r3Zqu6ynK3MaYZMDVgWgiE8Cak/FJIIOVNgTQSwhtCAulAAiR0MAHTjcEY927LtmSrWL23bdrVrnbv/P5YW7aQ5FBc1jCfc3JOfOvsHT/cxzNzZxQhhECSJEmSJEmSpONCPdUFkCRJkiRJkqRPEplgS5IkSZIkSdJxJBNsSZIkSZIkSTqOZIItSZIkSZIkSceRTLAlSZIkSZIk6TiSCbYkSZIkSZIkHUcywZYkSZIkSZKk40g... | null | [
"iVBORw0KGgoAAAANSUhEUgAABCEAAAB+CAYAAAAa5QvPAACbiUlEQVR4nOydd3gc1fW/35nd1TZtUe/Ftiy5914wpvdmeiCUhJRvQgkkpANJSCGBkEAqndA7mGZsg23cuy3ZktV7b9v7zvz+WFmyLIkSsC1+ue/z8JidejV3Pzv3nHvuORKgIhAIBAKBQCAQCL4UVFWlLQRVPnBHISJG2wKB4H8UrQQWDYw3QVpcbJuEcEIIBAKBQCAQCARfGm1BlR2uE90KgUAgGF3Mt0JqHGhPdEMEAoFAIBAIBIL/n6j0xf7NiIMic2wWUCA... | 0 |
science | grade-4 | read-a-thermometer | false | true | Select the temperature shown by this thermometer. | "iVBORw0KGgoAAAANSUhEUgAAAdsAAASLCAYAAADdzBdkAAEAAElEQVR4nOzddXwUR//A8c9pkot7iCARNITgUFyL1qBAKW2pu1N56u76e9o+9UJLC6VYqeDu7g4hxN1zuZz+/jhyJMSBI9B+369XX+XuZmdmd2f3uzM7u1HYbDYbQgghhHAaZVNXQAghhPink2ArhBBCOJkEWyGEEMLJJNgKIYQQTibBVgghhHAyCbZCCCGEk0mwFUIIIZxMgq0QQgjhZBJshRBCCCeTYCuEEEI4mfoIlqaugxBCCPGPJj1bIYQQwskk2AohhBBOJsF... | [
"78°F",
"73°F",
"77°F",
"84°F"
] | null | 2 |
math | algebra-2 | identify-the-direction-a-parabola-opens | false | true | The graph shows a parabola. In which direction does it open? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAHyCAYAAADRDLnIAABmPUlEQVR4nO39e3hc1Z3n+39KVbpfLFmSJWEsGWMw2FgGEwM2diANCQ4kNKbDkMykk/R09687E5J0/zLzS9KnT87TedxMfpNOMukmGabPpIEMOZ1Ah5DERoCJDTZ2jLHAsi0MvmDLkmXdS1Ldd132+cMuYflastZSlez363nyBJV2feqrctWu71619toe13VdAQAAADAiL9sFAAAAAJcSGmwAAADAIBpsAAAAwCAabOAy8eEPf1jPP//82M+/+c1vdP311yuVSmWvKAA... | [
"left",
"right",
"up",
"down"
] | null | 2 |
math | grade-7 | apply-multiplication-and-division-rules | false | true | The number line shows an unknown number, p. Is – 2p positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAG4klEQVR4nO3dXUhc+R3G8ec4mclUR4y12phdX2BJTd1Qm2iMpmmbDXShNVIMuUkLbiA0TULaUEqbsr0IXUIg0GZvkqI0F8VSSaFMIMlKQ2HBhLI6akQqscaU+JJINsbARMcZHcfTC3eGuPElbfWcGc/3c+U5M+ADZ5DHP7//fwzTNE0BQAppbm6WYRg6fPiw3VFgEZ45gFSywe4AAPDfGhkZsTsCLMYzB5BKXrtgR6NRdXV1qb29XXl5eawiAOvIo8l+fTTUqPHIqB6... | [
"positive",
"negative"
] | null | 0 |
math | grade-3 | is-it-a-polygon | false | true | Is this a polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD6CAYAAACbKDARAAAKQ0lEQVR4nO3dPW4d1wGG4U8UZRsQErmRBAOxsoYgK0hWlSKRISV7StZDF4bowrTVhfeaKWTFJE2R9+fMnL/nqaf4yhcHM2ceXV1dXQUAACjipPYAAAAYicAGAICCBDYAABQksAEAoCCBDQAABQlsAAAoSGADAEBBAhsAAAoS2BPZXvycH/79vvYMAIChndYewDo2F9ucvT3P5btNTj4/ybO/Pq09CQBgSE6wJ3A9rp88f5ynf/6i9iQAgGEJ7MHdjutXb17m9Nnj2rM... | [
"no",
"yes"
] | null | 0 |
math | grade-6 | compare-and-order-rational-numbers-using-number-lines | false | true | What sign makes the comparison true? – 5 ? 0.5 You can use the number line to help. | "iVBORw0KGgoAAAANSUhEUgAAAlwAAAApCAYAAADgbPfrAAAKG0lEQVR4nO3cX0zV9R/H8SccOAqoiOEfqKTcynKRBHpO5xguL9pspIXF3FmuOVvNWsuLarXWumjp6qJ/ZK1cLlfNtRi4ZdFYM4MKPecgcJymq7UQvWhhgSjK+QPnd8E4P4kjniMev+f75fW4Ox+Ye7339fP5vM/3++GbEY1Go1jI7t27ycjIwOPxGB1lUlRHelEd6UV1pBfVkV5UR3rKMjrA1Xby5EmjI1wVqiO9qI70ojrSi+pIL6ojPSXccIXDYQ4dOoTX62XevHm... | [
">",
"<"
] | null | 1 |
math | grade-2 | which-shape-illustrates-the-fraction | true | false |
Look at the colored part of each shape. Which shape shows one-fourth? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAACd0lEQVR4nO3cMW4TQRxG8W9tJ0VIQHIkEAeASPRWKhqadByCS+QKnCKHoEtDQ+cbJKHHNIkUJ5ZibA3FEokSz4YY/N6vW61GO9Lb0Vb/bUopZTJPvs6S6TJZlGiDDJpkr5+82klebCfN5K6U8fW6t6XHcPg0GVzM2ouX28nBk/Zt0OaYLpOz2+TbPDmfJb3rRXvD2Jtpr9+2TZKbZdJb/nZDm+m+7Y+S9Na7FT02g8MYHMbgMAaHMTiMwWEMDjOoWTT+OM7V+dV... | 3 |
math | pre-k | circles-squares-triangles-and-rectangles | true | false | Which shape is a triangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJIAAACVCAYAAACzfqM2AAAHmUlEQVR4nO2d204bVxSGf0PIRQ7tTdWqD9BW6gvkKfqUOYAinEj2VUIUwAQSRXARS0EBSige406DNcJgo4md8e6FE0QAY8Psw1p7r+8mGIO97Hw2M+N/z19QSqm4C/x9DBxlwBcFQRjJjQJwdxL47Rbwy02gEH9W6u2h67EEztz7AbixdTy48OtN4I/bA8sEYRRHGbDRAf7tApvHwMThl8EVIpFwFe5ODpwBgHYGTGSnrhCEq/DNmZ4CJtyOIviCiCRoQUQStCA... | 0 |
math | grade-6 | classify-triangles | false | true | Is this triangle isosceles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADOCAYAAAAEw3WqAAAmYElEQVR4nO3de1zW9f3/8ed1cXGWkwIemAiKQHhKTe2gNg+VpwWErNzmSjusljVtc/X1V/62zH1X7VvZycM8Zc4VbRWtbfTtt+hbaeuLqJgxKVI2A0OhIATRC6/r9wfKvEIT8YL3dXjcb7du3YI31+dp+cfTd6/3+2NxOp1OAQAAAHALq+kAAAAAgC+hYPuJGTNm6LLLLjMdAwAAwOdRsP3Aww8/rL/+9a/6+9//rj//+c+m4wAAAPg0CraPe//993Xfffe1/fP69es... | [
"yes",
"no"
] | null | 0 |
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? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAXmklEQVR4nO3daXAk533f8W93z9VzYQYYALvAAnuQu1yK14qSHFJZ6qIoUmVJlOVSGDpRuaykyk6lclQOvTCVVCpR7HJSTslHRXHJtmTH1hFZEilKJkVTEimGXlrLqLgmRZrcC+cAWABzT8/VR1400EtwBruDXQA9AP6fqi1yew482Kfn10//+5l+FMdxHIQQAlD9boAQondIIAghPBIIQgiPBIIQwiOBIITwSCAIITwSCEIIjwSCEMIjgSCE8EggCCE8EghCCI8EghD... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAkCUlEQVR4nO3deZAkV50f8G9m1n11VXf1fUzPaHo0OhFCLBIrcQgJCYMQCwFasSY2wHYsxAZrh82y4RVrO2zYjbVjHbB2mCV2MbBeQNyMBhASEgjJWkmMwJqVkBjNTE/fd9ddWVdmPv+R1dXT3dXd1TPVmVnV308E0ajO1/N79etfvvzlKwmAABERACEEFsrAORXI6oDG7EBETeKSgLACjAWAXg8ggQUIEVUtlAR+kbF7FETU7t4QAVx2D4KInOOsav7s9wBXBs2... | 1 |
math | grade-5 | three-dimensional-figures-viewed-from-different-perspectives | true | true | If you look at this object from the front, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAE2CAYAAABbdeVqAABEcklEQVR4nO3dfUDUdb73/yf33oDD6oZyhQ6WZAfzZrw2TS9u9KSVWiu6B7fVUrA6qWdNMD1bHbsYrq1lz+oK2bVqv1zE7pMybEvL9HISysI9gTdUi6mDWoBndQdBBQLm9wcySQpyMzAMvB7/KMN3vt83fc1e8+n9/bw97Ha7HRERERERcQpPVxcgIiIiItKdKGCLiIiIiDiRAraIiIiIiBMpYIuIiIiIOJECtkg3Y7PZiI+Px8PDg+TkZGw2m6tLEhER6VE8tIuISPf... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA1AAAAE2CAYAAABvKXNfAABJ1klEQVR4nO3df1zUdb73/ye/NcFhdUO4QgdLsqOpjdem6QUiJ63USnQP7q6VgtlZc9cE07PVqYvhbC17VlfIzqp9cxF3+7VSRm1pmV5OQlm6J8YfVIuZM2oBntUdBBUImO8f6KSrIODA/OBxv932hg4zn3nhx7zNc9+v9+sd4HQ6nQIAAADgFgEBAZ4uAV0o0NMFAAAAAICvIEABAAAAQDsRoAAAAACgnQhQAAAAANBOBCjAzzgcDqWnpysgIEDZ2dlyOByeLgk... | 1 |
science | grade-4 | predict-temperature-changes | true | true | Two identical blocks are heated to different temperatures. The blocks are placed so that they touch each other. Heat can flow from one block to another but cannot escape from the blocks. Later, the temperature of each block is measured again. Which pair of temperatures is possible? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAXLklEQVR4nO3deXgb9Z3H8ffosmQ7ju04cW6HhJD74AqE+whXOMpR6BZY+vTp0naXUrbbdsu2tLS7ZXfL0W0pbbdbWtpCW64CaYAECCQlIUDuy+Qk5HTsOL5t3ZrZP77yOI4cW05sj2R/X8/jR/FoNPo5P+kzM9/5ST/DsiwLpZQCXE43QCmVOTQQlFI2DQSllE0DQSll00BQStk0EJRSNg0EpZRNA0EpZdNAUErZNBCUUjYNBKWUTQNBKWXTQFBK2TQQlFI2j9MN6BG... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAh6klEQVR4nO3deZhcVZ3/8fetrat6y9ZZCNlkS0JCElnCDhGDsoug6Cijz4zr/JTx54yOuMzgjIoKOI8LOjM/UWeEUUBlkSUsCYkkBEgI2clCyJ5OZ+kl6XTtVff3x+nqTqcr3dVJ9b23qj6v5+mn0reqbp3OOf3t7z33e8+1ABsREWDh/hRLm9MAWNiA5W6DRKSM2NhYYMNlDQECbjdHRLzj1eb0USmHkg8RKSbLRBULXmlOKwERkW65OY8pdT4uHxmkIaQkRES... | 0 |
math | kindergarten | compare-size-weight-and-capacity | true | false | Which building is taller? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAG8AAAB8CAYAAABnh+5VAAAMgUlEQVR4nO2dX0xb1x3Hv7ax8T/AEGNj/tYJhZKmjdplbcamaVNppD5sWppp7dpCH0vUqNWk9MGVtmVTlbykeZhSKXts6B4qjUTqHqjadJ2qlUyUdGqLkgIhQPhrMBj//++7h5sLGIzvufb948vO5yXx9fHxwV//7v2d3/ecaw3DMMxyErgbBUIZIM2AUqZUaIAqHfCwGXAaAM1ygmFGgkoPiyKUp6uBisko+8BlADotrLKU8iSUAcYjwFISmIgC2mCafYIKV/5... | 1 |
math | grade-7 | simplify-expressions-by-combining-like-terms-with-algebra-tiles | false | true | These tiles represent the expression 6x+2x+3. Which expression is equivalent to 6x+2x+3? | "iVBORw0KGgoAAAANSUhEUgAAATIAAABoCAYAAABypHzgAAAG/klEQVR4nO3dQUxcxwHG8e+9XYrLQiAlYDtQu7YVpUDaClKwlIMVpbWUpKfKlxys9BAfIqWolYovkXvhYJebLxwiublVja0gn9xKoVxctUi4wk0qIBXGYhUbtkC0EmYxlJ33eiCOahXW6/fm7e5U/9+NlXa+0Rw+zb439nhhGIYCAIf51Z4AAMRFkQFwHkUGwHkUGQDnUWQAnEeRAXAeRQbAeRQZAOelqz0BAG4wK2MKC3PWx/UyXUq1n4k3RqmT/dOr41revBsrYC+... | [
"11x",
"8x+3",
"8x+5",
"5x+6"
] | null | 1 |
math | grade-2 | identify-halves | true | false |
Look at the colored part of each shape. Which shape shows one-half? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAQw0lEQVR4nO2de0xcZ3qHn3OYG5fhjjFg8AAGgo0xjpNgg7dpYtXeVdrttlFXUdNVd6XdZi+peleryN6kcVptW6VaaVVFbbWrVqtetlWrqmp3Y5I0ccIYOybGxldsx54ZGO7XmWHuM6d/HGbABJgDM8AZ5jyWhYEzZz7rd877ft/vvO83giRJ0mgQ7nvBHYGwhMYOQieAOQsacqDcAMJoQJI+dm33sDS2gvZ80N3zyt9UGKApV74aNHYO7ggMzMNIEO56QXSF5V9... | 1 |
math | grade-2 | identify-the-fraction | false | true | What fraction of the shape is purple? | "iVBORw0KGgoAAAANSUhEUgAAARQAAABkCAYAAABHJc8MAAAWKklEQVR4nO3deXRc5XnH8e+dVfuMVkuyJWuzrM3GRjbYBrOYLWEzhBBCSZNDmkDSk+SkTdssp02anqbkpCRNyR7ClqQsIQQKxIEUjLEdwPsmy5IlWbI2ax3Nptnn3v5xpbHlVbZm5s6M3s85OgctM/OMj/Tjfd/73PeVFEVREARBiAKD1gXMhtsR4ESfG5fDj8sewOUI4HYGcDv8OO0B3I4AoZBMeqYBc5oBc5qetHQDOblmCoozKCjOIK8wnaLSTIwmndZvRxBSlpR... | [
"4/9",
"6/10",
"1/7",
"1/3"
] | null | 3 |
math | kindergarten | represent-numbers-with-pictures-up-to-5 | true | false | Which shows 5? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAjVklEQVR4nO3daWwc933/8ffM7L0kl8v7Eg9JlExSpCVZ1mHLjtMcRuIjTdu/LbstkiAIXLRAkSYPgthp0SRAg6RNizZtGqdxYRdGnMBt0zpOnbiNDwmWZUuyTJEUZVK8KZ7LXe59zc78H9BmZIuiRIniiNzvCzAsa2Znfh/vfnZ2ZndmFNM0zakMnEtANAe6iRDiOrEpUKhBswcqHaBMpU3zzYjVwxIi/+wrAlt/YuE/qh2w3bvQTiHE9RHNwTtxmMxAXwLUiL4... | 0 |
math | grade-3 | angles-greater-than-less-than-or-equal-to-a-right-angle | false | true | Is this angle greater than, equal to, or less than a right angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAAWCAYAAAD6ruvoAAAE10lEQVR4nO3dXWxTZRzH8d/aSbu1W/ci7UIctChRlMVJSGBXkIyEGxPKhTGGizEN3pFsdyaGMCKJ3piNaKKBmNRElCszkHgFcZiYQfCiirA4dOtGJPZMoWPtusLO6kW7ju6tHbTsxe8naU6f06en//bqd/59elqSTCaTAgAAAFAQluUuAAAAAFhLCNgAAABAARGwAQAAgAJakwE7EjXV2nlL1W9eUcnrP6m185YiUXO5ywIAAMD/wJoM2Ic6+xW4ZCgSS4XqwCVDbac... | [
"equal to a right angle",
"greater than a right angle",
"less than a right angle"
] | null | 1 |
engineer | grade-6 | identify-independent-and-dependent-variables | false | true | Hint: An independent variable is a variable whose effect you are investigating. A dependent variable is a variable that you measure. Which of the following was an independent variable in this experiment? The passage below describes an experiment. Read the passage and think about the variables that are described. Xavier... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAELCAYAAACyM7+LAAEAAElEQVR4nOz9Z7ctyXnfCf4i0m9//DnX1y0HVMEQJAiIYpOUa5mWWjN6NWtm9fSLeavvorXmQ/Sa0aiX1GpRIikRBB2MYIgCUN5cb47dfu+0ETEvInO7e8w1VaiClp67zs3caSMzI574P178y3/5Lw3/nf47/Xf67/RrRP/qX/2rz+W+LsD/+//1ldkGY8xsKc1s49J+YebHAWitl/YbUe430m6Uzmy/EAKNQAix3AgAOd8GYMpjqmPN8u75NV+Q5ZuV51vddtqxi/s... | [
"the type of mosquito repellent used",
"the number of mosquito bites"
] | null | 0 |
math | kindergarten | count-to-100 | false | true | How many squares are there? | "iVBORw0KGgoAAAANSUhEUgAAAbgAAAEICAYAAAAtAOHGAAANW0lEQVR4nO3dP2iVZ98H8J9PxBZBujSJFtrHIYQ00NSCYNqixoo4uHVw6Ni11Knbs2R4xk7SuVsHh24uEYxRsVUQaiPEEBxsC/5JuhRB2oKcd5D35R3e5z45d65zn1y/9/NZzXVdX25+5/56OMO1p9fr9QIAkvnHqAMAwDAoOABSUnAApKTgAEhJwQGQkoIDIKW9Tf+4uHw+1rbudJUlIiJmJ+Zj8dSlVmsXrl6O65tPCyfqc+bEobh2+lyrtd99/Xv8tvF34UTN3pn... | [
"58",
"48",
"55"
] | null | 0 |
math | grade-6 | which-model-represents-the-ratio | true | false | Which model represents the ratio 2 to 9? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAqUAAABLCAYAAABJCf7pAAAKHUlEQVR4nO3dTU8c2RXG8QeDndEEO1KSSYKjRCNFSRZRFtlkFlllkWW+Snb5NvkChvF4ZCMZe2FYGMkzAmxAxm4TewyxTaPEgHgpuunqqixKY8CmTdfLrVt1+v/bzGDoph6de5tT3VX3DsVxHDePpH8H0l5XCmMBAAAATo0MSZeHpd9+Kv38kjTUbMfxt7u+DwsAAACD6osr0shqkHwxdkn6/Q+TjhUAAABwaa8rNQ6kjSPpWSBd2A2Tb9CQAgAAoCyXh5P+U5L... | 1 |
science | grade-4 | identify-minerals-using-properties | true | false | Select the one substance that is not a mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAAC5wklEQVR4nOz915NsWXbmif22OsLdQ16RNxVKAwXZaMVptvVMk8MZDueJ88B3PvEv4H9FI834RANnxsa60T1sYBoaKF0pb+aVoVwesRUf1j4ecW9moTBVGahEdqyyqMi4EeHhfnyvs9T3fUv9x2XOvzGHA8Od3dmd/QK2jvCjLTwd4cTCvzqWf9d3jnVnd/bL2YGB35jLf2/i9b/rO8e6szv75W3yI5+v/03/ap7Knd3ZV9/unOvO7uyW7M657uzObsnunOvO7uy... | 1 |
math | grade-1 | name-the-three-dimensional-shape | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEBCAYAAABCCtJ/AAAg8ElEQVR4nO3dfZAc9Z3f8c+vex52tZJW0kgsAvGMwDxZYAIHpggGzqA7WwmHHzBVMVdJFVVJXDni3B+pusR3qUvqXNzlYv5IKhdcd8mdjweXgRM2osA2YML5JF98HGtQiCQwIARaSTsrrbTah5nu/uWP2YfZ2dnV9M5vtqdn3q8q0O5sT/d3emdrvv3r3+/7NdZaKwAAAABOeEkHAAAAAHQSEmwAAADAIRJsAAAAwCESbAAAAMAhEmwAAADAIRJsAAAAwCESbAAAAMA... | [
"cone",
"cube",
"sphere"
] | null | 1 |
math | grade-7 | identify-trends-with-scatter-plots | false | true | Does this scatter plot show a positive trend, a negative trend, or no trend? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAmjElEQVR4nO3df1TU153/8RdoDOAgBCMCExTPYHUhfkUhrOJ3+dHTE2IiWdJuY7rZk5WcGDHpppp2re05G0lieticuJo2UkzP1jTV1rTU2I1J9Js0jiRWpYzBryHRLpbRZAig1VEQUNH5/uHX2aCAEi/zGYbn4y8/9w7zfl/MCS8+3rmfMJ/P5xMAAAAAI8KtbgAAAAAIJQRsAAAAwCACNgAAAGAQARsAAAAwiIANAAAAGETABgAAAAwiYAMAAAAGBVXA7urqUldXl9V... | [
"no trend",
"negative trend",
"positive trend"
] | null | 0 |
math | grade-5 | rotational-symmetry-amount-of-rotation | false | true | This image has rotational symmetry. What is the smallest fraction of a full turn you need to rotate the image for it to look the same? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAArjUlEQVR4nO2deZgU1b33v6eql9n3fQYYtmFfFEQUk5A3iQwaUXODyc1NdMAEozC4oFHvNTedxDcLDJoY9kRAfRLvlTdXBWQxity4ICLKIjsCwzr71j3TS1Wd3/vHMDBLd093dfUyzPk8D8/DVFf9zpnlW2f7LYBAIBAIBAKBQCAQCAQCgUAgEAgEAoFAIBAIBAKBQCAQCAQCgUAgEAgEAoGgL8Gi3QEBMPnbj91WMGT4cqZp//3m8gVPRbs/gqtI0e5Af+amb//sG0X... | [
"1\n8\n of a full turn",
"1\n9\n of a full turn",
"1\n5\n of a full turn",
"1\n6\n of a full turn"
] | null | 2 |
math | grade-8 | classify-quadrilaterals | false | true | What name best describes this shape? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADpCAYAAAAeakAkAAAR0ElEQVR4nO3dW2ye9X0H8K/t2DgnO5zKqZRwaimoFGjLKS0xJLBUmwS7mHZRaaJSdzVNDVWldtKkBGnTdlOJatMu2iKB1O2iu6iQNi2DJCSUcChQEKz0AIFACwWaQOycnNiv312YJMTBr5/nzWu/r/18PhJ6bPk1/j933/z1/f3/XfV6vR4AAKAlutu9AAAAWEgEbAAAaCEBGwAAWkjABgCAFhKwAQCghQRsAABoIQEbAABaSMAGAIAWErCb8PZbY3lqx/52LwMAgA7... | [
"square",
"rectangle",
"parallelogram",
"trapezoid"
] | null | 2 |
math | grade-1 | read-a-calendar-ii | false | true | What date is 2 days before February 25? | "iVBORw0KGgoAAAANSUhEUgAAAssAAAF2CAYAAACYtNXtAABW4ElEQVR4nO3de1xUdf7H8RfDcFdA7t5vqKihqZkaEmWWlmVlblvWbqXdL79tbTWXLastc9O2LbvZbrWmZpa5JdqF0ha8pK5XvIBXVERUUASE4T7z+4NACY4OCgyD7+fj0aPinBk+8+HMmfd8z/ec42Kz2Wyrd5eybm8pmXlWREREROTihfiaGNzNjaE93BxdilwEl1W7Smzp2TauvcyMqyvYbI4uSURERMS5ubhAeTn8d0cJbVuZiI5wd3RJcoFM6/aWMizSjMmkoCw... | [
"February 23",
"February 22"
] | null | 0 |
science | grade-8 | identify-rocks-and-minerals | false | true | Chalk has the following properties:
solid
no fixed crystal structure
not a pure substance
not made by living things
found in nature
white Is chalk a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAACiRElEQVR4nOz92ZMkSZbei/2OLmbuHhG51N7bTE+DM0MQQlwBuFOEL7x8AP5aUij3iW984ANwIbyUOwAGgxnM2tNLVVdmRka4uy2qevhwVM3MIyOzqruql5lJLYmKyFh8MdOjZ/m+8x1RVeX9er/er0eX+22/gPfr/fpdXu8N5P16v96x3hvI+/V+vWO9N5D36/16x3pvIO/X+/WO9d5A3q/36x3rvYG8X+/XO9Z7A3m/3q93rPcG8n69X+9Y7w3k/Xq/3rHeG8j79X6... | [
"mineral",
"rock"
] | null | 1 |
math | pre-k | rectangles | true | false | Which shape is a rectangle? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFR0lEQVR4nO3dP08cRxzG8ef448J/ki5RlDrOS/BryYtLLFm4oEE0SDRINBShIKL0OdUBhrMxhGMNWrjdSXGshJBtYG5vdn4z309n4WKLr24wPOvpOefc0ZX074V0XkljJ2BqCz3pxbz021Pp5ydS76h0bnvU9WMhZa9+kBbeX0z+8MsT6fdnkwqBaZ1X0rsv0uGV1L+Q5kbjyReIDG16MT9pSpKKSpqrbn0BaFPT1LWT5rp9FOSC0BAEoSEIQkMQhIYgCA1BEBq... | 1 |
math | pre-k | one-less-with-pictures-up-to-10 | true | true | Count the dots in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFACAYAAACGDgu2AAAWcElEQVR4nO3dW6ydZYE+8Kft7kHaAvaAQJGWSjkEHBT/FlNTmKmSgDdqQJgQb+TCwCSQGB11vPDCC3EiIJaJJEYuNGFChkMyJoSDHORQlCB4gUqBFlpNtdhurLLLUKBd/4s1HdnQfrvd+13rXXt9v1/S7Jvm/Z71tEmf/e2va83odDqdAAAARcysHQAAAIaJgQ0AAAUZ2AAAUJCBDQAABRnYAABQkIENAAAFGdgAAFCQgQ0AAAUZ2AAAUJCBDQAABRnYAABQkIENAAA... | null | [
"iVBORw0KGgoAAAANSUhEUgAABDAAAAFYCAYAAAClCwyGAAAlG0lEQVR4nO3df7CddX0n8HduLiTmB4lJQEKQkEj4sVqxsBInTmBFbYWWsbtAcVB3BqoudoqOW2vV1c603W27yw+rdJdulW7Bom4RdhRYCyKKEK2iuDP4I5AEE51oJDcpwg0lgeTsH493IJKcJPc+53yf85zXa+bO+SfzPJ/zHjye7/t8v+dMS9IJAABQi06nky27kvVPJk/sTp7xbhtgUkanJXOnJytmJS86PJkWBQYAANRmy85Ovvl46SkA2mXlEclo6SEAAKB... | 0 |
math | grade-2 | purchases-do-you-have-enough-money-up-to-5-dollars | false | true |
A packet of vegetable seeds costs 1 dollar and 51 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAF/CAYAAAA8f70eAAEAAElEQVR4nOy9e5wcVZn//w6BUA2BnOLatSCkEJUaVOgWlGkRTHvvKPKbUdQZvJBhV/1O/Prdzei6JnjBBF2dWXeVUXSZeCOjqBkFpBHFDl7ocRW7o64pdZETdbXaax1Q7OJ6fn+cquruyUwygSBZtj6vVzLVVafO/Zz6nOc8z3OWaK01GTJkyJAhQ4YMGTJkeFTggEc6AxkyZMiQIUOGDBkyZNh3yAh+hgwZMmTIkCFDhgyPIuxzgq/u1bg33kmh9ifUvZn2T4YMGTJ... | [
"yes",
"no"
] | null | 1 |
math | precalculus | determine-continuity-using-graphs | false | true | Is f(x) continuous at x=5? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACEMUlEQVR4nO3deXyU5b3//9dksm8kJJBAIEFEUDCAKCCbouBScSmo1W7WHrvY9bSn62l7es5p/frrOa3tqa22pz2tS2sXrbhiRBQUBCUQIZCA7IQkkH2bJLPP/P64SSQCksBcuWeS9/PxyGPuWe7PfHLfM/d85prrvi5HOBwOIyIiIiIiERFndwIiIiIiIkOJCmwRERERkQhSgS0iIiIiEkEqsEWkj7Vr1zJhwgSWLVsGwE033cQzzzxzysf6/X4uv/xy3n777cFMUUR... | [
"no",
"yes"
] | null | 0 |
math | grade-2 | greatest-and-least-word-problems-up-to-100 | false | true | A baseball player paid attention to how many baseballs he hit in practice each day. On which day did he hit the fewest baseballs? | "iVBORw0KGgoAAAANSUhEUgAAAXsAAAC9CAYAAABS+N0WAABFd0lEQVR4nO3deXwM5x/A8c/mvs9NiCuCkBQVcdeZKlW3olpH0fanadVdRKtF6ypa6i51toKkjqA0zlCKuiKhzhBxJCSRRO5jd35/rIys3JeQPO/Xa1+v3ZlnZr6zu/OdZ555ZkbRYOlsCUEQBKHcCh45BT2ACb36lnUsgiAIQin40W8bADplHIcgCILwAohkLwiCUAGIZC8IglABiGRfQSRlKJgYZMu0yzYkZSjKOhxBEF4wkezLgfOxhvg9MM0ziV9NMCAqVZewJD3... | [
"Friday",
"Thursday",
"Tuesday",
"Wednesday"
] | null | 2 |
math | grade-3 | match-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAEJCAYAAADhBFPCAABPa0lEQVR4nO3de3hU9b0v/vdac81lJjfCLVGuCgmtILYkaqWtGjwVt91HaLfU7t2Nttrus93gFujZTws9gj3Po9BHqD2nVbfQHruVbom//bTSbhPpbqNIQlsEWiaicjMTYgiQZE0uc1mz1u+PSYYMmct3JnPP+/U8PGRmvmvma8gyn/Vdn+/nI+m6roOIiIiIiPKCnOkJEBERERFR8jDAJyIiIiLKIwzwiYiIiIjyCAN8IiIiIqI8wgCfiIiIiCiPGDM9AcoCfh3w69B... | [
"six thirty",
"seven o'clock",
"twelve o'clock"
] | null | 1 |
engineer | grade-7 | identify-control-and-experimental-groups | false | true | In this experiment, which were part of a control group? The passage below describes an experiment. Jason and his neighbors wanted to attract more woodpeckers to their yards. They read that woodpeckers often eat sunflower seeds. The neighbors wanted to find out if filling their bird feeders with sunflower seeds would in... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAELCAYAAACyM7+LAAEAAElEQVR4nOz9d5gk13nYC//OqdS5J8/szOYFNgCLXZCIBEgCYBBFMEmkRCrLsk1RkiXZknyvLMu+z733cbhX15ZMW8H8SMuWKYsQSTGCQaAIgAhEWoQFsDnvTo6du/L5/qjunp7enumZnV3sLsV3npqqrnDq1AnvefMr/sk/+SeKH8IP4YfwQ7iO4A//8A+vynt1gG9/5X81TgghluwBpJQrXhcqRNM0AMIwJKihYIUgDEO8UJFIJDDMBBs2bODQkeP81m/9Fls27+D... | [
"the yards with empty feeders",
"the yards with feeders filled with sunflower seeds"
] | null | 0 |
math | grade-4 | properties-of-three-dimensional-figures | true | false | Emir saw a 3-dimensional figure. It had 2 circular faces. Which figure could Emir have seen? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOwAAABSCAYAAABXEzgRAAASH0lEQVR4nO3deVgUd57H8XdDg8shICiHBDCmiREvfNRVBzEao8ELBo0zyWLrkOxkkjVGNALCeGAexRyKksNJVg24+Ezi8UQkEgOjgkoSJ6uRNRonASOKRkDFllOQpvaPtkuaGwS7W3+v5+GBqq7jS8Gn61e/OlohSZJUVAv5VVCuhToJQRBMgFIBPS3B1xbcrHXjFEU1kvR9mXELEwShdaMdwNUalHlVuhEe1jDATpdoQRCMr1wLP1fC1Vr4pUoXWIuyOt2LIqy... | 2 |
math | grade-8 | classify-quadrilaterals | false | true | What name best describes this shape? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAYqElEQVR4nO3de1iUBd7G8Zuz4ovreT3lGbUVw9QsscxTHtqtLEtULkrftdStS90ufRetzLU3pdW3Va9t0XRXi0Whskx3zQOmaYIHNE3cEBURD5CpGKMohxneP9whPAY4M88zM9/Pn0Dz3F39c8cM98+nrKysTAAAAAAcwtfoAAAAAIAnoWADAAAADkTBBgAAAByIgg0AAAA4EAUbAAAAcCAKNgAAAOBAFGwAAADAgSjYAAAAgAN5TME+demsUvLS1fEfo/TGziXKvJh... | [
"parallelogram",
"trapezoid",
"rectangle",
"kite"
] | null | 1 |
math | grade-2 | equal-sides | true | false | Which shape has 3 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFvUlEQVR4nO3dXU8TaRiH8f+UwgqoqwksoJJ44u5H8Ov4QU1AhWgwITHRqIsHHJDghgQolSqlZfag+zRsRGVmnvvuvFy/M176pAdXOp07NzRJ0zT93Jc+9aTuUBqkAgprJ9KtKenRnLQ0IyWfz9J062TSTwt19vi21N7pjb5YmZH+mh9VCBTVHUofT6X9vvR3T2qdDEY/IDLEdGtq1JQkfRlKreGlHwAxhabOU6k12aeCpiA0uCA0uCA0uCA0uCA0uCA0uCA0uCA... | 2 |
math | grade-3 | identify-parallelograms | false | true | Is this quadrilateral a parallelogram? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABzCAYAAACil3UBAAAK+0lEQVR4nO3dTWxV95kG8OdcX/wB2EBsbGySQE3SUdVNp1JWyUjtZmaTaKSoGzYzm3aRrCoFlCgKCi2aDhnITDSLZKR0k27YdLJJNs0mlZqsMqNWGmU0My0WkGDjLz5swNjYPrMIXJMmARJsjn3v77d7rw7Ss+BKj/8+fv9FWZZlAACAVVGrOgAAADQTBRsAAFaRgg0AAKtIwQYAgFWkYAMAwCpSsAEAYBUp2AAAsIrqd/PQuTfOZ+7UfNq26uOsH+X1ZPlqmb6/7Un... | [
"yes",
"no"
] | null | 1 |
math | grade-3 | select-figures-with-a-given-area | true | false | Which shape has an area of 10 square units? The shapes are made of unit squares. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAGgAAADgCAYAAADv/yMUAAADWElEQVR4nO3dv2qTURyH8e+bf0NtI10UR4fq0LVQewFegpuX56QXohRXhxrBwcE4FZI20JhwHF6CggWXHN+H5PlMCYFzTnj4keU9pCmllOky+bJI5utkVaIODZrkqJ+cHCSPR0kzvSvlctb1sXSf83EymCzaN09GyfMHbT11Z75Orm6T78vk8yLpzVbtB8ZhOOq3LZLkZp301n98IIZNi58l6XV7FP2LgeAMBGcgOAPBGQjOQHAGgjMQnIHgDARnIDgDwRkIzkB... | 0 |
math | grade-5 | scalene-isosceles-and-equilateral-triangles | false | true | Is this triangle equilateral? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADOCAYAAAAEw3WqAAAbz0lEQVR4nO3df1TVdb7v8ddGBCQItD3IHT3GcpJGnSmXrIWXZLVKgxHyehYeLem40rDI1NT8UZmW2WSmlR2H62RjanIyHU2wIkwdpSmsg+fQlLeYGZxhkhU38VIbgpAw+N4/HBk9/uLH3vu79+f7fPwH8v1+3/33Wp/e78/bZVmWJQAAAABeEWJ3AQAAAIBJCNgBZOXKlerbt68OHDhgdykAAADoJgJ2gLj33nu1bNky1dfX649//KPd5QAAAKCbQu0uwOmampo0YcI... | [
"no",
"yes"
] | null | 0 |
math | algebra-1 | compare-linear-functions-tables-graphs-and-equations | false | true | Function A and Function B are linear functions. Select all the statements that are true. | "iVBORw0KGgoAAAANSUhEUgAAARAAAACZCAYAAADnwmWxAAAbOElEQVR4nO3de1RVZf7H8ffhdgDlolwSFQHll5AmpBgqqaMJmjaaCgoWalbrl6k5NebdqSnNUJsUK0m7mWk2mpcsGhxTyWaJopOm5mVyyLxAIHIHAY/P7w9/nCJBYLvhePT7Wou1YJ+z9/M9sM+H/Tx7n/0YlFIKIYTQwMbSBQghrJcEiBBCMwkQIYRm9QoQT09PDAZDrV+HDh1q5DLr78MPP8RgMBAaGtrkbaemppp/J127dm3y9u8ER48eveG+6O7ubukSqxk/fjw... | [
"The slope of Function A is equal to the slope of Function B.",
"The slope of Function A is greater than the slope of Function B.",
"The y-value of Function A when x =\n–\n6 is less than the y-value of Function B when x =\n–\n6.",
"The y-value of Function A when x =\n–\n6 is greater than the y-value of Functi... | null | 0 |
math | grade-6 | rotational-symmetry-amount-of-rotation | false | true | This image has rotational symmetry. What is the smallest fraction of a full turn you need to rotate the image for it to look the same? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAoQklEQVR4nO2de5xbZZnHf8+by2Q6HUrb6SSZ1toW5FblJrC4ukArWEAXUJeLyCqitC5SaKGdnCSDHm1zmSnIpahQBS8ILlt00UVouZSq6MpNbpaCQKHQziTtTG+0nUyS8z77x0zZMiQ5J8k5OZnp+X4+fD70nPfyy+Q8Oe/leZ8HcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcHBwcDigIbsFOADqNNWX6c+07X9... | [
"1\n4\n of a full turn",
"1\n3\n of a full turn",
"1\n2\n of a full turn",
"1\n5\n of a full turn"
] | null | 1 |
science | grade-2 | classify-rocks-and-minerals-by-color-and-shape | true | false | Select the black rock. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAACAqElEQVR4nO39abBs2XXfB/72PkOenPPmnd/8angFVKEKY6FAgKQBAcQMiCZNKUi5m5AompIsKcIKhz922O2OdviDo9tqt7s/yO6QTVqKtsyWSVEcAEIAiKkIoObp1ZvvG+678805z7R3f9hnnzyZ775bD6gR4F0VtzJfjifP2Wuv6b/+S2itNUdyJEdyoMi3+wCO5EjeyXKkIEdyJIfIkYIcyZEcIkcKciRHcogcKciRHMkhcqQgR3Ikh8iRghzJkRwiRwpyJEd... | 0 |
math | grade-2 | which-shape-illustrates-the-fraction | true | false |
Look at the colored part of each shape. Which shape shows one-fourth? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAHwAAAB8CAYAAACrHtS+AAAW9klEQVR4nO2deXDb5ZnHPz8dlmTJtnzK8n2EHCZxrhKSlCMlhgXC0WUpPQLdtltKux1mu+y0A7vLMttluu2U3bRbup0CPWgLbVlgIAGG3ThpKZCDYofYcUIc24qd2JZ8SbIlWZIl/faPn6TYxKf005X4M8Pg6Hj1St/3eN7nfd7nFURRFK1+6PLARBACIstcQqgEyFHCFdlgygLB6hPF98ZTXa1lksHVuaA645H+Yc6CVXqpNSxz6TARhNNuGPRDpwcU4wHpiWW... | 0 |
science | grade-5 | use-data-to-describe-climates | false | true | Which statement best describes the climate of New York City? Hint: Summers in the Northern Hemisphere occur in June, July, and August. Winters in the Northern Hemisphere occur in December, January, and February. New York City, New York, is a city in the United States. It has a warm summer continental climate. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAALOCAYAAACTXGSDAAEAAElEQVR4nOzdd1yV5/3/8dd9Dhz2lKUIojgRBy4UXFEzjcaZ0aSJjck3MbW1u83o+KVpOpO2qaYr06Rt1AQzHIlx4YqICigqigqKKCB7n3n9/jieE1GMGg+co36ej0dauM99zv3x3Idz3ue6r6EppRRCCCGEEEIIl9C5uwAhhBBCCCFuJBKwL5CZmYmmaWiaxrBhw9xdjrgJvfXWW2iaxtChQ6/5sSIiItA0jaioKBobG9vc9r3vfQ9N03jhhReu+ThXas+ePeh0OnQ... | [
"Summers have higher temperatures and less precipitation than winters.",
"Winters have lower temperatures and less precipitation than summers."
] | null | 0 |
math | grade-8 | nets-of-three-dimensional-figures | true | true | Which figure will this net make? | "iVBORw0KGgoAAAANSUhEUgAAAM0AAACmCAYAAAB5jwvwAAANy0lEQVR4nO3deVRU1x0H8O8MQ1DBpaOymwVERqgdJDbEtKmakyZgNJtiqolLoj0YzRGJpjVjiBCUmB6Nyzka7fHEhTRW0XiaNkCS1iU5rZnWhTl2yCBKs7DIGKcqoBKGef2DQBkZhQfzlhm+nz+fl/fu4Hy5M+/97r0aQRAEEFG3aZXuAJGv0SndAW/QaDRKd4G6yR8+2Pj8SMPA+BZ/+P/yi5EGAF7Yf6/SXaAuvDvjpNJd8AqfH2mI5MbQEInE0BCJxNAQicTQEIn... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAUkAAACmCAYAAABX731LAAA5fElEQVR4nO2dd5ycVb3/3+ecp8xsC6R3AiGkiYGAxCgKqEBCUVGKlxKQIoJUUe4V5Aak/PRelAs2bFhQERBREIjlCtgg9IgJiQEuoaUQAkl2k93szHN+f5zyPJOEQMJmZzc5b16b2XnmmZkz8yQfvv0IrbUmEAi8ZYQQ9V5CoBuR9V5AIBAI9GSiei+gKwj/Z+89BMcl0Nvo9ZZkEMjeRbhegd7GNmFJApx8y171XkLgTbjh6EfrvYRAYLPp9ZZkIBAIbE2CSAY... | 1 |
math | algebra-2 | identify-the-direction-a-parabola-opens | false | true | The graph shows a parabola. In which direction does it open? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAHyCAYAAADRDLnIAABx1UlEQVR4nO39e3hU930v+r/nJs3oOrohCYHEzWCEJWww2NhgcCAJNYlrSFw7u2ku3e2vzU7StCenT9LunJzd/Ih3zk6dPGmd1O3Z2bZTZze1G9txjIWNAxgsjDEyCCRuQoCQELqMNDOa+1pr1jp/iBkQIBjB96s1l/frefLEGq15z4fRzJrP+s53fZfFMAwDREREREQkhNXsAoiIiIiIsgkbbCIiIiIigdhgExEREREJxAabKEc89NBDeO2115I/v/7661i8eDF0XTe... | [
"down",
"up",
"left",
"right"
] | null | 0 |
math | grade-6 | which-is-the-better-coupon | true | false | The original price of a waffle maker is $37.00. Which coupon is a better deal? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAASYAAAC8CAYAAADVTgNLAAAslklEQVR4nO2deXhU1fnHP7MvmewhbAEREkBlE1RAUAQVFUVRcStat59Wa1u1VluxdalLF7VuVKu21VZbSxVFLKsKWBFBEAhoQcMqYcs+yWQms97fHyfJzGQmyUxmJjPJnM/z5Mmdu7z3zJ17v/ec95zzvipFUZSjLththwYveBQkEomkW9GqIFMDJWboqwfVUaeifFGf7GJJJBKJYGIWaMvs4kN/PYzIEKolkUgk3UmDF75phCMu+NYO6nqP2CBFSSKRJItMjdA... | 0 |
math | grade-3 | identify-three-dimensional-shapes | false | true | What shape is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEbCAYAAADgR/OCAAAjd0lEQVR4nO3dXYxj533f8d/Ddw45sy+zO7sj7Wr9Eim2tcrKch3LFupe9A11mqJ2gKZN6wJF4SZBEbg1nNpue9WLAIYhOBe+MdAARu7si7ZJ4F4kTi5kay3ZluS1tYqttVXLXmm82p3ZHQ7fec55esGXITnk7Dkcckg+5/u5WHLIQ/Lh2Tlz/s9znv/zN9ZaKwAAAABTkZh3AwAAAACXEGADAAAAU0SADQAAAEwRATYAAAAwRQTYAAAAwBQRYAMAAABTRIANAAAATBE... | [
"pyramid",
"cube"
] | null | 1 |
math | grade-4 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAbDUlEQVR4nO3de3iUVYLn8V9VpXKhTMiFSkIRQoAAghDuFw0XwREEERu7d6btm07rdrtqtxNFxHBHxOs0iHhBl8VVNss4Pi7NqIPI7PRquEdEo2gUCWJaTRuiiZQVLPPW/hFShHsqeavequT7eR6eJJWqc3757/ccznmPLRAIBAQAAADAFHarAwAAAAAdCQUbAAAAMBEFGwAAADARBRsAAAAwEQUbAAAAMBEFGwAAADARBRsAAAAwEQUbAAAAMBEFGwAAADARBRsAAAA... | [
"right",
"acute",
"obtuse"
] | null | 1 |
math | grade-8 | identify-similar-triangles | false | true | Are these shapes similar? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFJCAYAAAChAVp+AABXfElEQVR4nO3dd3hTdfvH8Xe6SGmxg1F22bJHoWXJHmVvBCoqoDhB5AEVFVREUXGhIoIL9Seg7A1lyJ5ll6XsIbOUFkhJCW1/f4RUQXbTnrT9vK7LS3qSnPPJ08dy95v73F9TSkpKCiIiIiIi4hRuRgcQEREREclKVGCLiIiIiDiRCmwRERERESdSge0EvXv3xtPTE7PZjNlsJiAggEcffZTY2Fijo4mIiIhIBlOB7QTR0dFMmTIFq9WK1WrlyJEj2Gw2Xn31VaOjiYi... | [
"no",
"yes"
] | null | 0 |
math | grade-3 | choose-the-appropriate-measuring-tool | true | false | Which tool would help you use the right amount of spice in a pumpkin pie? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJYAAACnCAYAAADzJ6XqAAAfcklEQVR4nO2de1gU193HvzMLKLsgyFVEEBQxIkaMYryFy6uNudTGtDZo0kZNnr6tmjY12r5tarw1SZNUU2saTZPGENPXS1595c3FJIoKxGBkia4RUBDMKuAFBAHZXW4z5/1js+vO7s7sLOzMLjif58kTZ86ZM2dmv5xz5pzf+f0oQgi51gVUG4FbDNBDoKDgNn4UEKwCxqiB6ACAutZJSEmbt6ulMJC4dwjgd8FoPogJAMZqzKpTUHCXWwxQaQCudgFVRoBu6zE... | 2 |
math | grade-1 | equal-sides | true | false | Which shape has 5 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAIEUlEQVR4nO3dzW8TRxgG8GcdOzE2tpOUxETiUA5tbvSCQCAhDuWAEIIKAf9gAQkJiVbKAVWtVLVCQiAOiFNKxQFEPiFx7NiO7V1vD4tDoCGxd3femdl9fidQsDO2Hzy7+8674/i+7690gX9bQMMDXB9EkWUdoDQGfFcAquOAs9Lx/ad13cOiJDtbBrKvWsFf5saB+WKQQqKoGh6w2ASWu8A/LSBTd4MfMGQUp9JYkCkA2PaAjLfnB0RxGmSq5wMZvUOhtGDQSAS... | 1 |
math | grade-2 | match-digital-clocks-and-times | true | false | Which clock shows three fifty-five? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAMIAAADICAYAAAC6ej5XAAAN10lEQVR4nO3dbWwb92HH8S+pR1tnJWmWmEkcL6voNWuQkAYyBIMkF9iwSQXapMgDsgWo3RdpsUoeENuoXGC2ish7EemFkxext7jDFjlPa2BrxYYUYoZkqCNuad1tEqbF9UwmrbMmdJPGD7qTRD1xL2jRFGVbvBPvjiJ/nze2IR7/f1r/3/0f7n/HQCaTyaRmIDEJE/Mwl0Gk4tUGYEMNbFkPG+shkEpnMj+95He1RPzzQDPUnpnM/uO2evhCUzYlIpVuYh5OW/D... | 0 |
math | pre-k | one-less-with-pictures-up-to-5 | true | true | Count the trees in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABtTElEQVR4nOzdZ7wk6Vnf/V9VdXd1zunknM/kuLN5JaGMIkICTJAItkGY4AhOPDyYYGxjMDiAZCObIIFAKCAhabV5J8eTc06dc1dVV3hejLRGDxJIq92ZWW1938z0fOacU31f8/+c69xz11WCZVkWNpvNZrPZbDab7SUh3u0LsNlsNpvNZrPZvp3YDbbNZrPZbDabzfYSshtsm81ms9lsNpvtJWQ32DabzWaz2Ww220vIbrBtNpvNZrPZbLaXkN1g22w2m81ms9lsLyG... | null | [
"iVBORw0KGgoAAAANSUhEUgAABIYAAAB+CAYAAABRYRpnAADY1ElEQVR4nOz9Z5gka3rX+X8jIjMjvTeVZbK8r/b2dB8zo5EY2QVJA0ggzIKAxei/CLRaFgG7f4QTVggWJDTSJYRA0sgMSBqNPXZOe9/V5V2WyapK7zMjMjMi9kVLA0KGGTHndJ9zns+buvqqFx353P3rjLzzifuRAAtBEARBEARBEL4qLMviuAObLagb0BN324IgCMJzxCaBT4FJNyQcICEaQ4IgCIIgCILwVXOsW9yuPeurEARBEIT/sUt+sD3rixAEQRAEQRC... | 2 |
math | grade-3 | lines-line-segments-and-rays | false | true | What is this? | "iVBORw0KGgoAAAANSUhEUgAAAG4AAABuCAYAAADGWyb7AAAFX0lEQVR4nO3c3U9TdxzH8U9pLQ+lnBbmQ9hm0CAGGFCmiTr34AMs250mu9rN5n9gsqtlNy7ZLnazsNvtYrvZLryZ7mbLWpXsSU00PcLQKAqIhogKPYe2SGlPu4uWH+Wh0vHQ9ouf11XTHw8nvHN+v9PzO8GWSqVSIHHKin0AtDoMJxTDCcVwQjGcUAwnFMMJxXBCMZxQDCcUwwnFcEIxnFAMJxTDCcVwQjGcUAwnFMMJxXBCMZxQDCcUwwnFcEIxnFAMJxTDCcVwQjG... | [
"line segment",
"line",
"ray"
] | null | 2 |
math | kindergarten | one-more-with-pictures-up-to-5 | true | true | Count the ladybugs in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABPM0lEQVR4nO3dd3Rcxdn48e+9u5K276r3Zqu6ynK3MaYZMDVgWgiE8Cak/FJIIOVNgTQSwhtCAulAAiR0MAHTjcEY927LtmSrWL23bdrVrnbv/P5YW7aQ5FBc1jCfc3JOfOvsHT/cxzNzZxQhhECSJEmSJEmSpONCPdUFkCRJkiRJkqRPEplgS5IkSZIkSdJxJBNsSZIkSZIkSTqOZIItSZIkSZIkSceRTLAlSZIkSZIk6TiSCbYkSZIkSZIkHUcywZYkSZIkSZKk40g... | null | [
"iVBORw0KGgoAAAANSUhEUgAABIYAAAB+CAYAAABRYRpnAACVfUlEQVR4nOydd3hcxdm373N2JW0v6l2yrObeO2DTMR2bHiCQ+qaQBEh9A4QkkISEFEh5EwIhJPSO6WCwwb3bstV779u1K2l3z/n+WFnFkky1vf6Y+7q4jE6dndnfnt88Z+YZCVARCAQCgUAgEAgEnwmqqtIxCDV+8IYhJNy2QCAQCKIIrQRmDRQYICUWJERgSCAQCAQCgUAg+MzoGFDZ6TnRpRAIBAKB4MNZYgHtiS6EQCAQCAQCgUDw/xPV/si/abFQZIy8lRU... | 2 |
math | algebra-1 | identify-linear-quadratic-and-exponential-functions-from-graphs | false | true | What type of function does this graph show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAETCAYAAAAMFHHvAAAaUklEQVR4nO3dX2ycd5kv8Gfyp3ZsmoaCnUDpOj6nJFbqto6Stsm2iijSrgh0QGXFFsFyQaWuhFSkpZdcICRo1a7gihYWLqryV0ARCoqrVltpUy3SOinMqTlNcly6e+wQliY2p9gpYzv//J6LMONx7CQznnc8npnP56bvjJ+ZPFFHmW9++b2/J5MkSRIAAEAq1tS7AQAAaCYCNgAApEjABgCAFAnYAACQIgGbJc3Ozsbs7Gy92wAAaDgCNksaHh6O4eHhercBANBwBGy... | [
"exponential",
"quadratic",
"linear"
] | null | 0 |
science | grade-3 | identify-properties-of-an-object | false | true | Which property matches this object? Select the better answer. | "iVBORw0KGgoAAAANSUhEUgAAAKwAAADQCAYAAACa0YpiAAAvFElEQVR4nO2deZQkR33nP5GZVVlHV5/V93RPj0aa0QhdzAiEQRizAvFWEjLCfmuvDTyvQLvPgHc5BLy3oPXKxmuvnr3Iy7GsWbOsLQPPB2tzY8HYSIssQEIYXSONZtQzPTN9X1XddWVmxP4Rmd3VPX0f05Xd+XkvX1ZnZWVHZH3rl7/4xS8ihFJKAZRKJQYHB8nlcriuS0TETmNZFvX19XR2dpJIJAAQSilVLBY5deoU+/fvJ5FIEIvFdrioERHgOA6lUon+/n6uuOI... | [
"bumpy",
"smooth"
] | null | 1 |
math | grade-5 | reflection-rotation-and-translation | false | true | How has this figure been transformed? It has been... | "iVBORw0KGgoAAAANSUhEUgAAAPoAAABkCAYAAACvgC0OAAAHW0lEQVR4nO3dTUwUZxwG8Gf5WtbCdiF4gGliEGJZo5Em7pIexMGipWkDxKSJJDURD23UUy/2Yps1SBNNemgT9QiEJnoyC4fGGAsB0jSymm4icbEBWhsHDxCkUAvLh9ODgVjZZWf2Y3Zm3ueXcJC8+39flnl8l9mXP47Dhw+rsiwjHYaGhqCqKlgv+XqDg4NpqZVtsiyb+nkWrV6eLMsIBAJpKXjx4kWoqsp6KdSzC15X5qqXk5ZKRGRqDDqRABh0IgEw6EQCYNCJBMC... | [
"reflected",
"translated",
"rotated"
] | null | 2 |
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. | "iVBORw0KGgoAAAANSUhEUgAAArwAAACtCAYAAABSr6xUAAAuqklEQVR4nO3dd3xUVdoH8N+UzEwmjVRIIQkQQpcuRQTBhijC6lLsvaLrK/ZX3Xffdd0VxYKs3RULFkQREVlXERTwpZPQpAUCIb33KZny/pElqxiSmcm9c+698/t+Pnw0yZ25zyTnnue55557rs7r9XpBRERERKRRetEBEBERERHJiQUv/cbMmTOh0+l+9S8xMRHnn38+NmzY4Nd77du3DzqdDps2bfI7DrfbjSeeeAJ6vR4vvfSS368nIlILJfS7brcbL7zwAgYNGoS... | [
"The magnitude of the magnetic force is smaller in Pair 1.",
"The magnitude of the magnetic force is smaller in Pair 2.",
"The magnitude of the magnetic force is the same in both pairs."
] | null | 1 |
math | pre-k | one-more-with-pictures-up-to-5 | true | true | Count the donuts in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABYPElEQVR4nO39Z5RkV3bY+f7PNeF9RHpf6co7oAquYBqNRju2VTs1paGnhiIp8o1I6YlcEkm9NZLIkTQzTUqaWaJ3YtOofYONdvAe5X1lZqW34X3cuPee9yGyTCKrgAK6CkAD57dWm8qM687JD/vu2GcfIaWUKIqiKIqiKIpyU2hv9Q0oiqIoiqIoyjuJCrAVRVEURVEU5SZSAbaiKIqiKIqi3EQqwFYURVEURVGUm0gF2IqiKIqiKIpyE6kAW1EURVEURVFuIhVgK4q... | null | [
"iVBORw0KGgoAAAANSUhEUgAABIYAAAB+CAYAAABRYRpnAACyO0lEQVR4nOz9Z4Bd13nYe//XbmefXqdjCoBBJwob2Ks6VW2ruCWOYydxYjvxje3rlBvbyb2vE6e+V05cEjtxj20Vy5ZESRTVKLGTIFGINoMyvZ3ez27rfjgDDIYDkCBFEJS5fh8EgbPP2fvsddZgrWc/61kCkCiKoiiKoiiK8oaQUrLowGQTaj54arStKIqivIUYAuI6bItAnwUCFRhSFEVRFEVRlDfMYkfyTPV6X4WiKIqivLrbEmBc74tQFEVRFEVRlL9JJpr... | 2 |
math | grade-1 | cubes-and-rectangular-prisms | true | false | Which shape is a rectangular prism? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAW9klEQVR4nO2d63cbx3nGn9nFXgACBG8gKVG8iheJtmzakmun9rHj2GnSnOMmdY/r3BxHTpO4p9/6z9RJGiuOE9uJXMdJetLknKgncuVYViiJsiJKvJOiRPEKisRtF8Bi+mFxIwiZwAIgdhfz+yAS4O5gtHh29p15Z54hlFK6HAWmw0BAA+IUDIbpcBDAwwMDLqBNBMiySumF7WpXi8EonEfrAcdUWH9xQASG6nRVMxhmI6ABEyHgThSYDAPcdlz/AxMtw8x4eF2... | 0 |
math | algebra-1 | linear-functions-over-unit-intervals | false | true | How does h(x) change over the interval from x=2 to x=3? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABt8klEQVR4nO3de3RT550v/K8syXcb+QK2MdiEEC6+ck8gOMBAuCaZQNoh7dtLZqWdSU/va8509cz09D3TycnJOtO0q5kkk9MznVxm9V2dZoWkE4ghEEigpsFgbINlAo4BX5Ft2bKs+5a09/uHLGMHGyR7P96S/f2sxdq2rP31j72lrZ+2Hz1bpyiKAiIiIiIiUkWC1gUQEREREc0kbLCJiIiIiFTEBpuIiIiISEVssIlojL179+Ktt94a92effPIJHnjgAfj9/nF//vb... | [
"h(x) increases by 3",
"h(x) decreases by 3",
"h(x) increases by 200%",
"h(x) increases by a factor of 3"
] | null | 0 |
math | grade-5 | range-find-the-missing-number | false | true | Andy has the following data: If the range is 16, which number could w be? | "iVBORw0KGgoAAAANSUhEUgAAAVwAAAAkCAYAAADFEII0AAAIEUlEQVR4nO3deVCU9x3H8fdeLAuLuiDhEEQBwURjqjJqUh21RhNjnEnHejRjmjpNnSTT9Jg49m4cm8lM4kynptM/bCe1WpsmdqoxjYmE1ngLSqyoKJ5AgixyyH3swT79Y3EFSeSBfZ7lGfN9/cfv2eX5zJff832efY7FpCiKAuAPQJcXAgooCCGECIcJMJsgOgqs5p4xRVGULh94/MOaTQgh7ll2K0TbwOwPSLMVQgg9efzBswhmj2+4owghxL3P4wNzd2C4YwghxL2... | [
"29",
"23"
] | null | 0 |
math | grade-8 | identify-functions-graphs | false | true | Look at this graph: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAETCAYAAADH+ejgAAAYqElEQVR4nO3df3DT9f0H8Ocn/ZEfbZP0Fy2gKIK0/pgkQrWdgoydSqsVEb0T94fzB+fYMW+od1M3cOpQbofiTRGZN4bOO3TzR8VhOzZlMlgiUhuQ8U05HJTpUX6UJiFN0rRNvn+E5pPQ1PbdftJPkj4fdz2aNPn0TfLJs5/3+/N+f15SOBwOg4hIgEbtBhBR+mFwEJEwBgcRCWNwEJEwBgclFAgEEAgE1G4GpSgGByXkcDjgcDjUbgalKAYHJWSz2WC32wf9+SuvvIL... | [
"yes",
"no"
] | null | 1 |
math | grade-8 | mean-median-mode-and-range-find-the-missing-number | false | true | Kyle has the following data: If the median is 15, which number could p be? | "iVBORw0KGgoAAAANSUhEUgAAAQUAAAAkCAYAAACAES+2AAAItklEQVR4nO3de3BU1R3A8e++sptkN2FDyJM8yIOXEGKIIFMVEEIx6kA7Rakjvkac2lGrA2W0DtaplCntjB2LtbVUeYi0VAuKHYWiQkEl1IgJBAiQkATI5kGem002+7z9Y5OQJWRY8N69qZ7Pf3v28fvl7tnfOXvOWdBIkiQBeP3Q6wa/BBKCIHwXaACtBkwRoNf2tUmSJPV6wOVVNTdBEFRm1IPJAFqvXxQEQRACdcDrB63Lo3YqgiCMFC4PaH1+tdMQBGGk8PlBKxY... | [
"19",
"12"
] | null | 0 |
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? | "iVBORw0KGgoAAAANSUhEUgAAAQQAAACgCAYAAADq8hJGAAAaaUlEQVR4nO3deXRU93338fe9s4800miXEBgDAgQCs4h9scGhduw4Jkld26VP7JwsT/u0OWkbP23S7Umbc9rT9MmTp2nq05MmTxLbSRwviU0MNoYaYwNmE2IHsS8SQkLbbJr1zr3PHyNdI48AyUiakfR9ncPx8d30u/Ob+cy93/u7cxXDMAyEEAJQM90AIUT2kEAQQpgkEIQQJgkEIYRJAkEIYZJAEEKYJBCEECYJBCGESQJBCGGSQBBCmCQQhBAmCQQhhEkCQQhhkkA... | null | [
"iVBORw0KGgoAAAANSUhEUgAAAiAAAAC4CAYAAADaI1cbAAAmVElEQVR4nO3deXhc9X3v8feZfUYaLdZi2bIBYxvLG3jFNmAwhEBDAGeH0Ab6NCHtvcmTNkubpPfpTZP79D5tb7o3t0+b3CYkadMkkECAAHYwBgPe903G+y5ZuzSSZj/3j1mwLNnIMDrnzOjzeh4/gjNnznxHvzNffc853/MbAzAREQFM06QlDkcGoC8FSWUHESkQjwFhN8wMwUQfGKgAEZGslpjJll67oxCRUresAjx2ByEiznF4IPNzkg9mlWWOVkRECqEvBYf... | 0 |
math | grade-3 | parallel-perpendicular-and-intersecting-lines | false | true | Are these lines parallel? | "iVBORw0KGgoAAAANSUhEUgAAAHAAAABlCAYAAACV+2djAAAJJUlEQVR4nO2df1CT9x3H30EBwSsijo6RsMNrJ+mpO+pWS+LcDedN65yzPYm7Wav8CAiCVK3TarXU7qwMtCqC8vtadau4dWtrlc4K7XYlbF4dHWAjaydHGnQgPxKbEIHkuz8c2ZMQQR6S58n3eZ7XPxwEyOfudc/3yfN+Pp/vIyOEEEhQSwDfBUhMDkkg5UgCvUyPwYCGczWwmkycvN9UTt5FwFhNJrQ16nDtLx+j8e0/wPb1HajWaKBO0nDy/pJAFlzXNaCtUXfvq67... | [
"no",
"yes"
] | null | 1 |
science | grade-4 | predict-heat-flow | true | false | Two solid blocks are heated to the temperatures shown. The blocks are placed so they touch. Which diagram shows the direction heat will flow? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAC4CAYAAAAxDlOsAAAYJ0lEQVR4nO3de3QU93338ffsfVerXQldAWEjEBchA+FmhA01+NbGiW9NncduYnKSNmmfNL24dZO4T9M2aZ+Tx3mS9Mlp2nNiO4kdYufYSWOD7Rhkc7EBgwAJgbAkQICEJCSh++5qtfd5/lhpQUgY2VrN7Erf1zk+ZmdnZ7/Dsp+d+e7vt6Ooqqp2hKDRD94oRFSEECIpTApkGmGRAwosoHQEVfWIR++yhBDT3XoXmM764zdmW2BJRjyNhBAiGbxROD0I7SE44we... | 1 |
math | grade-5 | points-lines-line-segments-rays-and-angles | false | true | What is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB7CAYAAABOxPdsAAAJo0lEQVR4nO3dTWxc133G4XfoJP4K6dhy6g+yLYIEAcgCbYGi5ixqdFPOwt5yISKLFGhRtghaMYCNZlEbqQR0Y6Mgu6tQyChcQBsiq3hDZ9WmwNBAimw6AhqnBqqRndZyVQ0lK1ZqThY0R/wYUpR4Z+bO8HkAQdI9I96z/Ongf+9U2u12OwAAQCHGBr0BAAAYJQIbAAAKJLABAKBAXQP7+lsb/d4HAACMhMrehxyvv7WRq9+7nrSTsYmxPDE3nsdeHB/U/gAAYKjsC+w... | [
"a line segment",
"a line",
"a point",
"a ray"
] | null | 1 |
math | grade-4 | identify-rhombuses | false | true | Is this quadrilateral a rhombus? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEICAYAAABlBYO3AAArLklEQVR4nO3de5ScdZ3n8c/vqfutr4mQxASEQLwbDUa5E0iYIzsojrPHwcvZ4wU4wzKOHv/gzDEeXRHdA47OH3vOnvFsFHeXWVkIRB2UYZarES+gCU7AiWA0ARJy6XR1d93rqee3f1R3VSVdSUjSz/NUd71f52h+3V3Vz7ehi3yeb32f32OstVYAAAAA5oQTdgEAAADAQkLABgAAAOYQARsAAACYQwRsAAAAYA4RsAEAAIA5RMAGAAAA5hABGwAAAJhD0bALAHqNO+5... | [
"yes",
"no"
] | null | 1 |
math | calculus | identify-graphs-of-continuous-functions | false | true | Is the function f(x) continuous? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AABuvklEQVR4nO3de3hU530v+u9cNaO7kEASAgljDLYwAoPBlg0BxyQmxnEDiUPS5uI0zdOdnWtPm5M0T072bkq9c5o62el2Urd7u7ZT58SJGzuJwTLGARssjAEZBBI3IYMuCF1GGo3msmbdzx+jkRHXkVivZmbp+3keP2PNrPnqp0Gz5rdevetdDtM0TRARERERkSWc6S6AiIiIiMhO2GATEREREVmIDTYRERERkYXYYBNNI7t27cK8efOwcePGdJdCRERkWw6e5Eg0fax... | [
"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. | "iVBORw0KGgoAAAANSUhEUgAAAg4AAABSCAYAAAA8aFycAAAOqklEQVR4nO3de1BVdb/H8fdmIxf1EVC05FEfQmBUcI6Xbl66aCiSdrNMe/LY+BDplHQ5OSf/IMcz2kxW85hnpiOjDokRenAqLyHnqaE0S8tkjmBqXMRLCuEZgf2kslH23uePxj0Rhmtv996LDZ/XDDPsxVq/9V3w+333l99aey2Ly+VyISIiImJAiNkBiIiISPBQ4dDDHD58GIvF0u4rLCyMESNGsGzZMi5evOhRe0888QRpaWlexXLkyBFGjBhBdHS0V9uLiO90ldx... | [
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is weaker in Pair 2.",
"The magnetic force is weaker in Pair 1."
] | null | 2 |
math | grade-8 | identify-trends-with-scatter-plots | false | true | Does this scatter plot show a positive trend, a negative trend, or no trend? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAeqklEQVR4nO3df3TV9X0/8Ff4EfkRYoiEFBM6NFogp2hYKAH9Htpa2WQ29dfp7Jk91TqZ1TPtVrfV/Tgda6VjPevcpNLW9bTa6uY5Q0+draWHTivOA7Hcmc2WxNUfKIkQkpJIADH8yPcPv6byxSDmvnNvbvJ4nOM53M87yesZ9Zw8+eR935+i/v7+/gAAAJIYl+8AAAAwmijYAACQkIINAAAJKdgAAJCQgg0AAAkp2AAAkJCCDQAACeWsYB88eDAOHjyYq3EAAJAXOSv... | [
"positive trend",
"no trend",
"negative trend"
] | null | 1 |
math | grade-2 | equal-sides | true | false | Which shape has 5 equal sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAIS0lEQVR4nO3db2hV9x3H8fdNTJyxvZPdbXGKVkjcJKtrYnES9kwfFkWID2YdYw42/2AnlZZRy6BhomyuKxZxdcNO1lG3B4UxLOxBG58YFS3JLBoWTUtjWRZpErerveTfvWcPrjemrdF77znn9/udcz6vRwa59/wk7/y+yc25P1Oe53nDkzCQg9t5mPYQ8W1eCh6thZUN0FgPqeEJz7uYtb0sibN1aZh3PVf84Bv18K2FxQpF/Lqdh/5P4T+TcC0HNdnp4l8oMgn... | 2 |
math | kindergarten | select-three-dimensional-shapes | true | false | Which shape is a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAZK0lEQVR4nO2dW3Cb5ZmAH1tnS7EkO5FE7Nhu0ljsbLDbTTYxFyEc2nQGSHYvyF4USq843HRnYMrdTpl2etdO6SUUbraBXizcrFNgOJMws3FSA5WTnUV2k1qOCJISWZJlnSV7L379P5KtJDofv2eGMTr+X6zHr97v/U59m5ubm740/C0O0RxkNxEI2g51H+xQwf4BsGuhz5fa3Ly41upmCQTlc2QQ1Etx6cZdWnAaJasFgnYjmgN3DL5Jw2Ic+tey0gNCWkE7s0M... | 0 |
math | precalculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed lines are vertical asymptotes. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AACUtklEQVR4nOz9eXhc5Zkn/H9rV2mXJVmSZUleMZaxDQYbBAhMQwIBQsfQNJCt02933k4mW6eXNyQT8pt0nGW6O8mkh2Tons4EsgxJCGsMxpDY2MYLNgJkW7axLduSbFlLSaVSLafO/vujVCXL1lLLOVVHqu/nunIRl6pu3X5cdeo+z3nOc9t0XddBRERERESGsOc6ASIiIiKiuYQFNhERERGRgVhgExEREREZiAU2UR7Zvn07Fi1ahHvuuSfXqRAREc1ZNt7kSJQ/7rj... | [
"$\\lim _{x \\rightarrow-3} f(x)=-\\infty$",
"$\\lim _{x \\rightarrow-3^{-}} f(x)=\\infty$"
] | null | 1 |
math | algebra-1 | perimeter-and-area-changes-in-scale | false | true | Look at this circle: If the radius is quadrupled, then which of the following statements about its area will be true? | "iVBORw0KGgoAAAANSUhEUgAAACQAAAAUCAYAAADlep81AAABpElEQVR4nGP88fj/f4ZBBJgG2gHoYNRBhMCogwgBqjvo3Yd3DOqWCgwcsowMN+/cQJHbtmcLA4csI8PiVQtw6mehpmP+/fvHkJAbzfDuwzus8l4uPgw/HuMvZZgYGBgYLDyNGJRNZRhCkwMY7P0tURTIG0kwcMgyouDABB+shrVNaGJ49eYlQ15KIVb5Q8cPMHDIMjKs27oGzg5LCWRQNpVhUDKRZjh66ggDy9dvXxkuX7/E8PfvX4anL54yRAXFoBjy8NwLvD6Cgd0... | [
"The new area will be 64 times the old area.",
"The new area will be\n1\n4\nof the old area.",
"The new area will be 16 times the old area.",
"The new area will be 4 times the old area."
] | null | 2 |
math | grade-8 | identify-trapezoids | false | true | Is this polygon a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAB2CAYAAADyWuSyAAAO90lEQVR4nO3deXjNd6LH8c85DhOEpgiN1HqnmOFahzuNiqW229i5quVSY+nMWJ/q1Wmr29Xpc/XWTGWYPiaozKhgCDVBXUPT2Ivai7bU3pBIYwkRJ+d3/+CcSKWSI8v3LO/X83jI90n8Pp60z/N5jq/PsVmWZQkAAABAibCbDgAAAAAEEgo2AAAAUIIo2AAAAEAJomADAAAAJYiCLUnZ2dL27aZTAAAAIABQsCUpLk7q0kVq25aiDQAAgGKhYEu3y3VYmLR7t9SzJ0U... | [
"yes",
"no"
] | null | 0 |
math | grade-6 | mean-median-mode-and-range-find-the-missing-number | false | true | Chad has the following data: If the mean is 7, which number could n be? | "iVBORw0KGgoAAAANSUhEUgAAAIEAAAAkCAYAAACucVkNAAAEb0lEQVR4nO2cW0wcZRiGnzmwgd1KKSynWgtdsNKVQDRK00IPpFhrayNcGPXGNtzURFPFxJsmJrYaNDHG0AtjNfFGPPVw0ZYmtTWVKihtWkNV2BUIYlsDy0Kgy2mBnRkvaCEELv+ZVfd/7ua7+N7/nbz755t/NqNYlmUBzJomEzED07KwkPxfUQBVUfDoGkmqOlezLMuajBlMGUZ8VydxnBRNw61r6LOmKQOQoEwZBrqqoMoAJDZRw0CNmXICSGRipoUqI5DYWIAa70V... | [
"7",
"3"
] | null | 0 |
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