subject stringclasses 4
values | grade stringclasses 15
values | skill stringclasses 445
values | pic_choice bool 2
classes | pic_prob bool 2
classes | problem stringlengths 0 1.12k | problem_pic unknown | choices listlengths 2 4 ⌀ | choices_pic listlengths 2 4 ⌀ | answer_idx int64 0 3 |
|---|---|---|---|---|---|---|---|---|---|
math | algebra-1 | write-compound-inequalities-from-graphs | false | true | What compound inequality describes this graph? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAANnElEQVR4nO3dfVBU5R4H8O/yssiishAoEIoxKkZqV1Be4uXKNBZFqAuRMDHGtSntxaypBqdpuuWgk7fSQmuI8YVexnFkQK8GRHcoFqVheRERTJCaEKyJQEEC3D0s7v2D2IkA2YWVs2f9fv7RfYCZ7292n93fnvOc58gMBoMBNuTIkSOQyWRISUkRO8qUsA7rwjqsC+uwLqzDuthKHURS5iB2AEtra2sTO4JFsA7rwjqsC+uwLqzDuthKHURSZnKDPTAwgJqaGmg0Gsy... | [
"$x<-6$ or $x \\geq-1$",
"$x<-6$ or $x>-1$",
"$-6<x \\leq-1$",
"$-6<x<-1$"
] | null | 3 |
math | pre-k | represent-numbers-up-to-10 | true | false | Which group has 3 rectangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAARwAAAEcCAYAAAAV9AvgAAAExUlEQVR4nO3YMW4UBxSA4bf22lqtgTJRDpDkCFyAw1BwIA7j0hU3IKQPaTFeAVlrUqyQQr/619p8XzWjkZ5e9etpVsuyLB+/zfy5m7l/nNkvA3AU69XM88uZX7czP1/PrD5+XZZ3n069FnDuXr6YWX/YHV5+uZ75/eZQI4BjuH+cef8w89e3mT92Mxef9ocPYgMc2/PLQ1tmZj4/zlw8/ucDwLF9b8s/y8zFaVcB/k8EB8gIDpARHCAjOEBGcICM4AAZwQEyggN... | 0 |
math | grade-4 | interpret-stem-and-leaf-plots | false | true | The advertising agency counted the number of billboards in each city in the state. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD+CAYAAAAAuXIHAAApXElEQVR4nO3deVRV9d7H8c85gAxhTogTCCqKXOdyuuL0OORsWik++ZgTWikOiQOo16HrCu1qmVOZ1zE1DVMrzSFLHNPU1By6zgMlKg4omITAfv5wcW6kpuXhbI68X2ux1vF3zj77s+mfD7++Zx+LYRiGAAAAANiF1ewAAAAAwJOEgg0AAADYEQUbAAAAsCPrjBkzZLFYsv24uLioVKlSat26tbZu3ZrtgMDAQFksFq1evVqStGDBAlksFlWvXv1PvSY3iYqKksViUZc... | [
"3",
"1",
"0",
"2"
] | null | 0 |
math | algebra-1 | identify-functions-vertical-line-test | false | true | Look at this graph: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAETCAYAAADH+ejgAAAdBklEQVR4nO3dbWzT94EH8K8DiR07xC7FTrj2CL6jEBFzhAvEQVV7hOmkZSStGFo8re1JjVppvYNXnHpTJcJYVtRW7b1paLc30G1UWqKmh0QQlSbV3WVSHmiEN+wsdOvFptIS7BTsPDh2HMf3wvhv/+ME4vjh77/9/UjTbMf8/EtKvvyef4pIJBIBEVEKSqSuABHJD4ODiFLG4CCilDE4iChlDA5aVSAQQCAQkLoalKcYHLQqm80Gm80mdTUoTzE4aFWDg4MYGhpa8+v... | [
"no",
"yes"
] | null | 1 |
science | grade-5 | compare-magnitudes-of-magnetic-forces | false | true | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different shapes. | "iVBORw0KGgoAAAANSUhEUgAAAmYAAACXCAYAAAC/fZcfAAAZ4ElEQVR4nO3deXhTBb7/8U/SNk3ZSpFCN2jBglXoDAJV2aHAAFqlBRlU8OdlEBFHnN84XO8s/mZwBu8zjF6E8Trg4A/EcUTWIqtXBRFUWhaVvcVCZSsWSmmhpUnbJPePXnLBsnRJmpP2/XqePg8JJyffQw+f55OccxKTy+VyCQAAAD5n9vUAAAAAqEIxg0d88803MplM1/xYLBYlJCTo17/+tUpKSmq1vocffljDhg2r0yz79+9XQkKCWrduXafHA2i6jJJlhw4d0kM... | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1."
] | null | 1 |
math | precalculus | determine-one-sided-continuity-using-graphs | false | true | Is f(x) continuous from the left at x=4? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABvtElEQVR4nO39e3yU9Z03/r+uOZ+STE4kIZAgImgwQcNBQaJYrFppbcFarN8e7Nd2a+8e3O692+232+3v3tb17u72cNdat3W3d7XdQ2+562EFA6IgYFAiEQIJCDFCDoQcJpnM8ZrrMNf1+yMmEg6SwPVhMuT1fDx46EzmeuWd65q55n195jPXJZmmaYKIiIiIiCxhy3QBRERERESXEzbYREREREQWYoNNRERERGQhNthENM62bdswZ84crFmzBgDwiU98As8999xZH6t... | [
"no",
"yes"
] | null | 0 |
math | kindergarten | count-scattered-shapes-up-to-10 | false | true | How many stars are there? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAGKCAYAAAB5IDW0AABHEElEQVR4nO3d+XNc933m+6dXdKOB3kAA3ERRlGDApEmRokRSFCVuIkVSpEiRkrXE0UrbGrmm7v1T5k7dqplM1b03dasmKWfGceKJk9wkjhxLju3MOHFCEkADDYD7TpAECXSj1/sD1BI3AI3uc/os/X79ZhJsfGU0up/+fp/zOZ5yuVwWAAAAAFfwWr0AAAAAAMYh4AMAAAAuQsAHAAAAXISADwAAALgIAR8AAABwEQI+AAAA4CIEfAAAAMBFCPgAAACAixDwAQAAABc... | [
"5",
"9",
"4",
"10"
] | null | 1 |
math | algebra-1 | identify-linear-functions-from-tables | false | true | The table shows a function. Is the function linear or nonlinear? | "iVBORw0KGgoAAAANSUhEUgAAAFQAAABeCAYAAAC98DOnAAAHY0lEQVR4nO2ca0iT/RvHv3cHXaW2mi8cnTYSnVgNpaNhYZCtB0dZPENGVCAMTwgF2onKIopJUCbYXIcXvnDSk0OREnshlEUT35R2YEoHMTZxmXNqba6558WD4y/2T+/b6y6N3wf2Yr97XNe1D797h/u+uHDvQVNwLjBX6pwHBilMKDFMKDFMKDFMKDFMKDFMKDGiCf369SuMRiNSU1OhUqmwa9cumEwmjI2NiZVSMIFAAFevXoVSqcTdu3dnFGsBUU2TKCoqQmtrK4q... | [
"nonlinear",
"linear"
] | null | 1 |
math | grade-6 | classify-triangles | false | true | Is this triangle isosceles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADOCAYAAAAEw3WqAAAck0lEQVR4nO3db3RU9b3v8c/kj05TItEo8TbeRfhTVE674qpnYGGKJAoaEBpSD+FYEAShIKBSFWhEK1IrWihVkUZ6S6JNYzxMYzItp8HTcDF1YW41y8JdwCUkKY5GViAQDRPjhCQz94FOTqlIJslM9uw979czYGbv77JPPuvX33y+Nr/f7xcAAACAkIgxegAAAADASgjYJtPe3q7Zs2fryiuvVHt7u9HjAAAA4J/EGT0AgtfS0qLs7Gy99957kqSzZ89q2LBhBk8FAAC... | [
"no",
"yes"
] | null | 0 |
science | grade-7 | identify-rocks-and-minerals | false | true | Gabbro has the following properties:
coarse-grained texture
not made by living things
no fixed crystal structure
naturally occurring
not a pure substance
solid Is gabbro a mineral or a rock? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAACzAklEQVR4nOz9Z4xl55nnCf7O9d67iLjhbXqfJJNeIiWVbNmu3qpFLVA7Vdtbjd2Z/bD7YYDGFBr7oRuDRc1itrsxmEYPuqu6pHISKTqJTlImmZlkZqQL7+N67/2555y7H86NI3G6R9ptiiIlxQMIimRmRt6IuM953+f5O2EwGAw4ruM6rv9s6T7tF3Bcx/VZruMGOa7j+il13CDHdVw/pY4b5LiO66fUcYMc13H9lDpukOM6rp9Sxw1yXMf1U+q4QY7ruH5KHTfIcR3... | [
"mineral",
"rock"
] | null | 1 |
math | grade-5 | identify-parallelograms | false | true | Is this quadrilateral a parallelogram? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC3CAYAAAAo7imjAAAY+0lEQVR4nO3de5RV1YHn8e+tKgoErAioKCqNGtSImAQMCd2NLtLBFxgRjKIkphVnfIJ2Qh6js3SSGV06w2ojENDVQRM7KkFBVPAR02GUdJxGATsViEqiBBVBeZgSy6Io6s4fB9z3SsAq6ty77637/fy1966qc34uYfnz1L77ZLLZbBZJkiRJqaiKHUCSJEnqTCzYkiRJUoos2JIkSVKKLNiSJElSiizYkiRJUoos2JIkSVKKLNiSJElSiizYpern/xWWzIydQpIkSe2... | [
"yes",
"no"
] | null | 1 |
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/t0lAAAgGklEQVR4nO3da3Bd5X0u8L98lY1sZDlm+xrLMdSST6jlyhcZzyF20/GxQxQuQ8KtkwDFJWRaaENTaIckTjCpadNS4nBthktCEk7rMhAScOAUh1JiCVAxh8RyGsAyvkkELNmSjeLbPh8Ian1subb20l7a0u83w4z3eiX/H8GH/bD07ncVZbPZbAAAAIkYlHYAAADoTxRsAABIkIINAAAJUrABACBBCjYAACRIwQYAgAQp2AAAkKC8FezOzs7o7OzM1zgAAEhF3gr2hg0... | [
"negative trend",
"no trend",
"positive trend"
] | null | 1 |
engineer | grade-7 | identify-laboratory-tools | true | false | Select the test tube. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPoAAAD6CAYAAACI7Fo9AABcpklEQVR4nO29ebQk2VXe++19TkRm3vnW1HP13JpnBEY8MG3gCQlkqdWtMhISy8IPZBAGzLKxeTzea4xttOy18LL8EBJ+WCAkdavoEhYYjGVwIxAgkNCAJCT1pB6qqmu+dcfMiDjn7PfHiZMxZOStW9XDvVk3vrXy5hSZNzIifvHtvc8QQKtWrVq1atWqVatWrVq1atWqVatWrVq1atWqVatWrVq1atWqVatWrVq1atWqVatWrVq1atWqVatWrVq1atWqVatWrVq... | 1 |
math | grade-8 | multiply-polynomials-using-algebra-tiles | true | false | Which area model represents the expression (3x+2)(3x+1)? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVUAAAE4CAYAAADrZmCqAAAWKUlEQVR4nO3dW2yc9Z3G8Wdm7MT2OD4Em9iTpEnskIRAoiRuBBGkB6ghQUBVoVYKQqpyh8QGUNUbSull2a1UlWqFliJRiUJBHFcNlXBi0ZRk2Sa0thNIAs7BxDYZO/YQZ5yxXR9mZi9ce22XuPHMz3mZ//v93Lh+U8/vp6ejx//X43oC6XQ63T0inRmULielsbQAAFcpLyAtCkk3FElLFkiB7uF0+sN+r9cCgNx3S4mUd3pw/JPqBdLa8HjjAgCuzuWk1DogdY1... | 0 |
math | pre-k | ordinal-numbers-up-to-fifth | false | true | The first picture is a crab. Which picture is third? first | "iVBORw0KGgoAAAANSUhEUgAAAaUAAABdCAYAAAAFZHluAAAbHElEQVR4nO2df1RU5brHv3vPDAIyIIi/gCwN5EeGph2gs9K4KSw9SZrQLbFWUqforHVDWmmt09HEk+dHxukKtVZgFp6zTmoFnnPSsjtol7K1LrT0SuYdVLSrpwEsjSugoDPM3vePzQwzMD/2zOw9s2fm+azVSvZ+935fnvXyPPt93ud9HobneR4EQRAEoQDYQA+AIAiCICyQUSIIgiAUg2xG6aqJx6z/6Mddnw/gqok8hARBEIR7vDJKf+8xYevpGy6NTcuVYVwY5ND... | [
"crab",
"bucket",
"boat"
] | null | 2 |
math | grade-4 | classify-triangles | false | true | What kind of triangle is this? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAeBklEQVR4nO3deVxWdd7G8etmEW5EyV1JItdYAlMwXCInGVowNcdt3LfHUp9Ky40p1FxT0QpHRq1GW8cm0yltohKJTHIpKjQtC5Oi3EUElP0+zx9OvnqaFoUDB24+7/8Q7nMu6Z+rr9/zOzbDMAwBAAAAMIWL1QEAAAAAZ0LBBgAAAExEwQYAAABMRMEGAAAATETBBgAAAExEwQYAAABMRMEGAAAATETBBgAAAExEwQYAAABMRMEGAAAATETBBgAAAExkWsFeunSp2rd... | [
"obtuse",
"right",
"acute"
] | null | 2 |
math | grade-1 | cubes-and-rectangular-prisms | true | false | Which shape is a cube? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK4AAACuCAYAAACvDDbuAAAX10lEQVR4nO2dTWwb153Af2+GFCnqw5Iox7Ys+aOOFDSA7SIF1g4WjRsD6cGB00PcW5JTgyzQ3QRtekrby6a7uTRoku4C26Z7WDunTX1YB/Ypa8cusHZ7SCMVSDaSF7Yj2bIjUaIsiRTFmff28DgjUqJl8fvr/S4Uh+TME+fH//zfx7wnlFLq7ipcT8CiC47CYKg7AgK6bBiOwI42EHdTSv35fq2LZTBsnSPdEJhI6Ce72uCxDm21wVBvLLrw5TJMr8J4Aqz7jn7... | 1 |
science | grade-7 | 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 sizes and shapes. | "iVBORw0KGgoAAAANSUhEUgAAAaYAAACqCAYAAADmxOvMAAAlwElEQVR4nO3deXxTVd748U+SJk1l6wa0FZGWFgplkbVgedgXC47KoiL29ygggzPIPG4z4lBH/TH+AB9mQAfFheERrDDzQ0cFGdQBBAUHsChFAdkKZWkBgbbSlWZ5/ggtLSRtkt6bm6Tf9+uVF6/c5J5zbl8J35xzv+ccnd1utyOEEEL4Cb3WDRBCCCFqk8DkQ3v37kWn09V5mEwmkpOTmTNnDiUlJR6VN2nSJEaOHOlVW77//nuSk5MJDw/36nwhhFBLiNYNaIrmzZv... | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 1."
] | null | 2 |
math | grade-2 | match-analog-and-digital-clocks | true | true | Look at the analog clock: Which digital clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEJCAYAAACuWVASAABb+klEQVR4nO3de1yUZfo/8A+IAzKMBwYYh1IHVNBkOmEB5gGltC3BSiulX3tSamt3k93tiLu11WrH3YXa+rar7raHwEorwba0UFATLOng4AHUYTQbHGQ8DYMwovz+YGfiMId7TgyHz/v18hUzcz/Pc6czL665n+u+rqD29vZ2EBERERGRTwQHegJERERERAMJA2wiIiIiIh9igE1ERERE5EMMsImIiIiIfIgBNhERERGRD4UEegIUeOctF9Hc2gZzS1vHf1s7/hsyJBj... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5oAAAEJCAYAAAD1mFhPAABlk0lEQVR4nO3de1zUVf4/8BeIAzIMKsNFKHVABS8z3bAE84JS2pZgpXmhX3tJqa29SG1X3K3VVrsX1NZ3d9WtvaGWVoJtaaGghVjSbUYN1GG8NDjIqDgMwgDy+4OdCWQun7kP8Ho+Hj6cyznn8xZmat5zznmfoM7Ozk4QEREREZFHBAUF+TsEIr8L9ncARERERERE1L8w0SQiIiIiIiKPYqJJREREREREHsVEk4iIiIiIiDyKiSYRERERERF5VIi/AyD/u2jqQHN... | 1 |
math | pre-k | one-more-with-pictures-up-to-10 | true | true | Count the triangles in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABGCAYAAAD2IOMfAAAE00lEQVR4nO3dTY5VVRiG0YOhY8s5OAwbjseJwJCKMBAYB9pAe9dGRYXtU1A/+/zdu1ZSCRWSnZOn9YW3wavL5XJZAACAKX7Y+wMAAOCaOLABAGAiBzYAAEzkwAYAgIkc2AAAMJEDGwAAJnJgAwDARA5sAACYyIENAAATnffA/vDu/oev6dJ0abo0XZouTZemCzfs9d4f8Cx//r4sd2/v//zzL8vy40/7fs9R6NJ0abo0XZouTZemCzfunP+CffdmWf764/7n7s3eX3M... | null | [
"iVBORw0KGgoAAAANSUhEUgAABNoAAABeCAYAAAD15XmXAAAJzElEQVR4nO3d365cZRnA4W9LIYqCJ0bjqUa9BBJNvAPvwwtBLkhCCbfAOSSI52LkAAtUQJrxYCx/Fr8N7WbNrPXNPE/STJsmKyu/5MvsvP3e9GaMcRgAAMAqDofDeO+zMf7+cIwPH43xuZ+2AeBi3bsZ44VnxvjN82P84rkxboZBGwAArOa9Tw/jzQdbvwUAcG4vvTjGva1fAgAALsm7D4+fv3xujN/9+Piv3ADAZfrw0RjvfDzGPz4b428Px/jB1i8EAACX5MH... | 1 |
math | grade-3 | open-and-closed-shapes | false | true | Is this shape open or closed? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAGtUlEQVR4nO3dUWhddwHH8V9SGTLa0TCYbLA97SFGRFjFLVAqCHsQaRPbqexlDxXbaemqs2KgsWnjhMpKp5kbtY97Gc7Wthtjgi+uVuOQCiLUPOzFFjZaKAktLUlZEx/KtDqXpueee885934+jwn35P/448/J/fYtLS0tBQAAKEV/1QcAAIBuYmADAECJDGwAAChRVwzskf3j+fL4WNXHAACA5g/sXYd/kdf/PJ3fnvlLvnv4paqPAwBAj2v0wH7t1O8zdfJ4BlavzsD... | [
"open",
"closed"
] | null | 0 |
math | grade-2 | interpret-tally-charts | false | true | Abby sold cookies at a bake sale. This tally chart shows how many of each type of cookie she sold. Did Abby sell fewer heart cookies or snowman cookies? | "iVBORw0KGgoAAAANSUhEUgAAAYwAAADWCAYAAADCW7VvAABdtklEQVR4nO2deXxU1d3/3/fOPtkXEkiAhH3fEVBEwA0VKoqKW1Vc+mirtdpWu/i4YH9VS2372FqxtirVumsVRaxYEVBAUDYJO4GEQPZtktnnLr8/bjLJkG2yAAmc9+uVV2buPffcc2eS+7nnux1Jf6GXjkAgEAgEbSCf6gEIBAKBoGcgBEMgEAgEUSEEQyAQCARRIQRDIBAIBFEhBEMgEAgEUSEEQyAQCARRIQRDIBAIBFEhBEPQI3DZMjh64zH2XXMYly3jVA9HIDg... | [
"snowman ",
"heart "
] | null | 1 |
science | grade-3 | identify-plants-and-animals | true | false | Select the animal. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADeCAYAAABL7FARAADFZklEQVR4nOz9WYwtW5rfh/3WENMec84zD/ecO9dczRqa3U2q2SJFUiYgCrBMGRZsyIABA4YtG3ryi1/8YBh+MGD4wbAFEzYpm5QIU7JIkWaz2c1iV3VNXXWr7jyc+Zw8Oe55x7AGP6yIPeTJc6uI6wcZ6AUkMnPviBUrIr71rf/3/4YlfjT0/vU2dBV/1v6s/TeyjS18OIVnJWxq+K2N8Ln8M8H9s/bf9NZV8Ho7/D2xy8/lnwnun7X/f2iNnFZ++Zm+6MD/5f/... | 0 |
math | grade-8 | compare-linear-functions-tables-graphs-and-equations | false | true | Function A and Function B are linear functions. Which statement is true? | "iVBORw0KGgoAAAANSUhEUgAAARAAAACZCAYAAADnwmWxAAAaOklEQVR4nO3deVRV9f7/8eeRSUAGBVQcUoESB5SSQktFw9mlhnBMKpTs2s+b3WuuZWVZ6e1aiplimth0zUq7OaSWF4f1VSRbBWblVGA3JVPREAQFBOEcPr8/vJw8yXDOFthA78dariV7Ou8D+7zYn8/efD4GpZRCCCE0aKF3AUKIpksCRAihmQSIEEIzmwLE19cXg8FQ7b/Dhw/Xc5m2e//99zEYDISGhjb4a6emplq+J3fddVeDv/6fwfHjx2s8F729vfUu0Up8fDw... | [
"The y-intercept of Function A is greater than the y-intercept of Function B.",
"The y-intercept of Function A is less than the y-intercept of Function B."
] | null | 0 |
math | grade-2 | fractions-of-a-group | false | true | What fraction of the shapes are circles? | "iVBORw0KGgoAAAANSUhEUgAAASgAAADeCAYAAACOu52pAAAidElEQVR4nO2dXWwcZZrvf13VZVe37W47OHHiJA4SNgwSTuCG6KxE4OIMCPbAxeHABRi0u5pEmpWyXMwc6VzAxRGMZi7YGzJXJBcjICvtwBWzA0KARAxalJmRFpugAWzO4Hw4X0783d12ffS5KHc7Tuz47XZX11vdz0+KhNzuquf58/hfVW+9z/smisViEUEQBA0xog5AEARhI8SgBEHQFjEoQRC0JRl1ACW88WEAivlZABKpLABm/6HIYtIR0UkN0UkN3XWqu0H550d... | [
"1/4",
"9/12",
"7/12",
"8/9"
] | null | 1 |
math | grade-8 | perimeter-and-area-changes-in-scale | false | true | Look at this square: If the side lengths are doubled, then which of the following statements about its perimeter will be true? | "iVBORw0KGgoAAAANSUhEUgAAACQAAAAOCAYAAABHN77IAAABSElEQVR4nO2VoarCYBiGn8mCOoNMb0CLmgzCDMOkeAGLRvOaeAUWk8HkXQgGMTmwGexadgkrwyK49zThCEdkHM4M52nf/78f/wPfD58hSXwQuawFnskBbLdbXNelUChQr9dZLpfZGUlSs9nUbDZTHMc6HA6yLEv7/V5ZgCStVqtvh71eT4vF4semSqWiyWSiVqulcrms8Xis9Xotx3FUKpXU7/cVRVGqPM+PXa9X2bat3W73Umg0GikMQ4VhqGq1qm63q+PxqCiK5Lq... | [
"The ratio of the new perimeter to the old perimeter will be 1:2.",
"The ratio of the new perimeter to the old perimeter will be 4:1.",
"The ratio of the new perimeter to the old perimeter will be 2:1.",
"The ratio of the new perimeter to the old perimeter will be 3:1."
] | null | 2 |
math | grade-3 | open-and-closed-shapes | false | true | Is this shape open or closed? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAACdElEQVR4nO3asUkEQQCG0V25dg48MLvAC8yuExuwBQuwFWNBsADBfsbIwHT9YGB9L5/lD78dZh1jjAUAAEjczB4AAAB7IrABACAksAEAICSwAQAgJLABACAksAEAICSwAQAgJLABACAksAEAICSwAQAgJLABACAksAEAICSwAQAgdNh68P7pcXn/+iy37MbleFrenl9mzwAAYIJ1jDE2Hbye6y27Ml4/Zk8AAGCCzTfYP4Tkb348AAD+N2+wAQAgJLABACAksAEAICS... | [
"open",
"closed"
] | null | 1 |
math | pre-k | count-on-ten-frames-up-to-5 | false | true | How many hearts are on the frame? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACQCAYAAAAyRxwtAAAHt0lEQVR4nO3dMWhc9x3A8d+7d6CCgmTsYhW3yKYGeyiWwYZuTuvFU5NuXVyPmdJ0abeSKWRKO6Wd3Exxp3ZzN4Oh2WrjwYIOKbTYJi22IUaCGCp8714HRYmFZCnv9Ls7Sf/PZ1N897/fb/vy8u5ddfvxizYAiMsL/WmPAMAh0Jv2AAAAcJgIbAAASCSwAQAg0ZYbDi8eracxx9Tce9Zs+tv+9i+J/ZvdXwQAHbmCDQAAiQQ2AAAkEtgAAJBIYAMAQCKBDQAAiQQ2AAA... | [
"3",
"1",
"5",
"2"
] | null | 3 |
math | grade-5 | is-it-a-polygon | false | true | Is this a polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEqCAYAAAAvYSeKAAAl8klEQVR4nO3dT2zTd57/8ZfrJF/j/HFoO05mJUIuBh+IkoMRlohEJCoVDYei9jBdLu2cZvY0c5vjam87t+5p5nfa6aU7HBaVAxVIjRSkIBnhg5E5GHwxrrRrvG3xlyTmaxvXv4P9/eKQAE5i+/u1/XxIFdQD8WcKVl5++/1+f3yNRqMhAAAAAF3xntsHAAAAAIYJARsAAADoIgI2AAAA0EUEbAAAAKCLCNgAAABAFxGwAQAAgC4iYAMAAABdRMAGAAAAumjM7QPAe4q... | [
"yes",
"no"
] | null | 1 |
math | grade-5 | regular-and-irregular-polygons | false | true | Is this shape a regular polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD5CAYAAAAdvEK/AAAn6klEQVR4nO3deXSV5b328WsPyd6ZZyAJYwhzIIBjRSFo61i16qlwrMdirYqeage1tq/H+lpf29PBua0DUnHW2lKnZbUKBsSpKDITpgAhE2Qgc/bOnt4/MgAWISR773vv5Pv5R9fzkOe5WEuWF/f6PfdtCQQCAQEAAAAICqvpAAAAAMBAQsEGAAAAgoiCDQAAAAQRBRsAAAAIIgo2AAAAEEQUbAAAACCIKNgAAABAEFGwAQAAgCCymw6A4Gv21OuDyle0suqv6vC5NCV... | [
"yes",
"no"
] | null | 0 |
math | pre-k | one-more-with-pictures-up-to-10 | true | true | Count the dots in this group. Which group has one more than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFACAYAAACGDgu2AAAY7klEQVR4nO3dbailZb0/8N99r4d50nnWaYRpPI5p4owdIaIOdcLQ/9/p4UQEvYiMIF+FEITSEcRzKCHyxUnqXVFwgqNEFlKikFAY9CYDR86gjuM4qWgzNdPoHmePe6+H+/9i5F87Z+417rnWuvZa9+cD8264ru/6jsN819r33hZVVVUBAAAkUeYOAAAAs8TABgCAhAxsAABIyMAGAICEDGwAAEjIwAYAgIQMbAAASMjABgCAhAxsAABIyMAGAICEDGwAAEjIwAYAgIQ... | null | [
"iVBORw0KGgoAAAANSUhEUgAABDAAAAFYCAYAAAClCwyGAAAwaUlEQVR4nO3db4wc9Z3n8c+vqrtnPP474zGDjcwQDBgTnOA9MAkim+DgDeZPstlEnHaPRCsFVsqGyyOzCzpEVoFVFO9qSQKPTgFFd4qTjWC1FxwI8YMIVlh3hvjPxjEGewwGxczAGJsZe2a6u6p+92AyBGO7Z6anur/V1e+XNGoJjX71qW8VLddnqqudJC8AAAAAqfDea7AiHRqTRmMp4l/bAFCXgpMWhtKlXVJfSXKiwAAAAABSM1j22jlinQIA8uXaRVLBOgQ... | 1 |
math | grade-3 | read-a-thermometer | false | true | What is the temperature? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAEOCAYAAACzXGCqAAAVwklEQVR4nO3dwXHbaLcm4Je3em/oBjCG/wSangQETgKmIiAZgVsRkIpAcgJDcnXvTnQCV2TVzHYIJzBCRyD8CYxnoRZ/y227WzIstprPU8USAZLA6V69PnXwfb2PHz9+DAAA0Il/23cBAADwdyJgAwBAhwRsAADokIANAAAdErABAKBDAjYAAHRIwAYAgA4J2AAA0KGfftSF67rOarXKZrNJXddp2/Z33ynLMv1+P8fHxxkOhynL8keVAwAAT6LX5U6ObdtmsVjk3bt... | [
"20°C",
"15°C",
"25°C",
"30°C"
] | null | 3 |
math | kindergarten | fewer-and-more-compare-in-a-mixed-group | false | true | Are there fewer squares or triangles? | "iVBORw0KGgoAAAANSUhEUgAAAQ4AAAA2CAYAAAA273fRAAAEUUlEQVR4nO3dMU9TURgG4A9CoykhYIBqLChNXISY6NAgccGlibv8AWZnZ38Cg67uJvgDHB0YnBgITCYSTUik4KWlJLQprUNziRCBnnPP6fnOm/eZGOw9900+P6++VxjqdrtdISIyMBz6BogoPlwcRGSMi4OIjHFxEJExLg4iMjZi8ovffnklu0c7vu7lWvOF5/Lu5acgZ5MuqHMYUy6jJ45Gq2Z8Q67sN34FO5t0QZ3DmHIZPXEsl1ZkfXtNJiempPTgkdFBtn78/C6... | [
" squares",
" triangles"
] | null | 0 |
math | algebra-1 | domain-and-range-of-exponential-functions-graphs | false | true | What is the domain of this exponential function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABoKElEQVR4nO39e3RU933v/79GM6O7hIQEEshIgLGxwQgbG9vcYhyI7YbECaQ5dtImdr9pU6e5Ne1Jf1ldTU6b5Z9P1kmTfJM6+eakTWOn7feXEzfEqXFkB8fYEGGDkUEgGWMsgy6A7re575nZ+/eHGAWBMBLsj0Zino+1vLBGe156a++Zvd/z0Wfv7XEcxxEAAAAAV2SluwAAAADgakKDDQAAALiIBhsAAABwEQ02gDGqqqq0d+/e0a9PnDihOXPmqLW1NY1VAQAwc9B... | [
"$\\{x \\mid x \\geq-4\\}$",
"all real numbers",
"$\\{x \\mid x \\leq-4\\}$",
"$\\{x \\mid x>-4\\}$"
] | null | 1 |
math | grade-7 | model-and-solve-equations-using-algebra-tiles | true | false | Which set of algebra tiles represents the equation – x–1= – 5? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAPYAAAB6CAYAAACMYK5rAAAIdElEQVR4nO3dXWxUaR0G8OecMx9sp19uobQsbbYYQVoVBLHbKrILC17VqK3xI4s3mkhiULML8WZNU4zBgK5euDfGuGq8YUO7CSvRaIrbbdIJGEHMAtsFsi2NdjpttGlnpu10znm9GBhbBXamPafvOX+e30172pl53kKfOTNnpudvKKVUIgvcygCzNpBTIKKACRlAhQV8oAzYGAGMxIJSl2Z0L4uI3NJaCYRuZvIb9RFgWyzfeiIKllkbGE4D41ngnQxgzuTy32C... | 3 |
science | grade-4 | identify-minerals-using-properties | true | false | Select the one substance that is not a mineral. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAANcAAAEGCAYAAAD2aACLAAC0kElEQVR4nOz955ck+XUdiu7wkd5XZWW5rmo3jemZgeEAIEiARuZKuqJ09bTW1X1rvX+Ma+mLPkjvSiL1RHIRFBxhCDcY34221aZ8ZqU3kZHh4334xTkZ2RiQA9MXIFCBNasHPd1ZmZFxfuecffbeR3p7Esc3c0BBweV1eV1eP8c1C4FHc6DtARUV+P2y+H35MrAur8vrF7sKCnAzJ/7dCpe/L18G1uV1ef3iF8WRHy9/T/7VvJXL6/L6zb8ug+vyurxe0nUZXJf... | 2 |
science | grade-3 | natural-resources | true | false | Which of these pictures shows a natural resource? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAV4AAAElCAYAAACszooYAAEAAElEQVR4nOz9WZMkWXKlCX58FxFRVTNz94jIBShkoaq6q6v7qYfmbYjmX8/PmJehWagb1FVdQALIjM03W1RV5C48D3yviKi5BzIHNf2WEmlp5ma6iN6FL/Phw4fl//5Z9T+d4N7zl+sv11+uv1x/uf7/eD0V+LsX+OMC7wL8X9/a791fjO5frr9cf7n+cv0fc917+E8n+/m5bL93fzG6f7n+cv3l+sv1f9zVbWzS7Xfhaw/8v/2vf0eplVwLpRRKhVorZrCFyzW... | 3 |
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? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAABRgUlEQVR4nO3dd3gcxcHH8e/unaTrd+q92aqucm+AaQZMDZgWAiEkIeVN4Q2kvCmQRkJICAmQCiRAQgcTMN0YbOPebdmWbPXeyzXpdKe7nfePsyULSYTicrbn8zx5nuju9nZvl9/OeGZ2RhFCCCRJkiRJkiRJOirUE30AkiRJkiRJknQqkRVsSZIkSZIkSTqKZAVbkiRJkiRJko4iWcGWJEmSJEmSpKNIVrAlSZIkSZIk6SiSFWxJkiRJkiRJOopkBVuSJEmSJEmSjiJ... | null | [
"iVBORw0KGgoAAAANSUhEUgAABIYAAAB+CAYAAABRYRpnAACe/UlEQVR4nOyddZhc1fnHP/fOzI7LukuSzW7cXQjB3YIXirRUfi2FQksVqVKBUqSGU1yCS0gCJMQ92U2yWXe3sR2fe39/TLKbZTcBCkkmcD7P06fk6tlz5nvOfd9zzvtKgIpAIBAIBAKBQCD4UvioI8z67ggAEiogHdsCCQQCgUAwCBUVCVRYkKJFe6yLIxAIBAKBQCAQfJXY0B05yBUknEICgUAgiDek2OgkwbruiHAMCQQCgUAgEAgEXyYH1giNscosTNWRkiC... | 0 |
science | grade-5 | identify-mammals-birds-fish-reptiles-and-amphibians | true | false | Select the amphibian. | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAADMCAYAAAAF8vOBAAEAAElEQVR4nOz9d5Qcx3X+jX+qqrsnz2zO2AWwyJEAQQLMOQcxiZaVc7Yky7KCrWDJki3JVLCCgwIVrcgkUcw5kyBBIuewwOY8O3m6u6reP3pJ/4K+v8PX/Of9nePGwQHO7p6Z2e5bt577PM+9JZ6fs3Z5CjKK/73+9/p/5FXUcKAMoz40OnBmQ/R1+b+B+7/X/9OvjILlqej/Jf3fX5f/G7j/e/3/w/VynAb2v7/m/LkfdM55G54UWOMS6BDHkSghsSYEadFWg5a... | 1 |
math | grade-3 | is-it-a-polygon | false | true | Is this a polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADxCAYAAADx78DSAAAYZ0lEQVR4nO3dPXjb5tXG8ZsfEEiQMi2bkuO4Ff02i+VVWq2OjdZ4TbImW9tsTZupSd6tabZ6rbM6q52xyiqtkpf2MpXXtSzSUiiRoGCI5DuAoGVbdigJIEjg/1us0I54Ln1c183D85wn1ev1egIAAAAQiHTUBQAAAABxQsAGAAAAAkTABgAAAAJEwAYAAAACRMAGAAAAAkTABgAAAAJEwAYAAAACRMAGAAAAApSNugBMLqfqqmt3dVh9rq7t3Vdkbxy+9G/sTWfoz2e... | [
"no",
"yes"
] | null | 0 |
math | grade-8 | make-predictions-with-scatter-plots | false | true | Based on the scatter plot below, which is a better prediction for x when y = 6? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAFhCAYAAABK/t0lAAAhb0lEQVR4nO3df3CV9Z0v8E8EJQokESmwgAmtXsGwBDAtBDom1So7bc0wdemqLYg/oKaMv0an3v5RuSlu15VrqbJt16otYt0urViG9VYr1mpwXAK3sQQ1QN12E0UgjlUS0QU3eO4f3qZNIQg5T845SV6vvzjPl5zPO+No3n7zPc+Tl0qlUgEAACTihGwHAACA/kTBBgCABCnYAACQIAUbAAASpGADAECCFGwAAEiQgg0AAAnKWME+cOBAHDhwIFPjAAAgKzJWsLdu3Rp... | [
"10",
"6"
] | null | 1 |
math | kindergarten | more-or-less-likely | false | true | On which color is the spinner less likely to land? | "iVBORw0KGgoAAAANSUhEUgAAAbEAAABkCAYAAAAIVA6ZAAAQ3ElEQVR4nO3deXRTdaIH8G+30KRLbkrLorS0ZSnSUqAJ4qCCVnEZin3IU2kBgYqP0XHk+GQTB3067/hQdJ7zZs4sjqWKtChD2dxGp4jbG4QmlaVVVllaUeiSm6ZZ2rTJ+0PrA5q2aZrk5qbfzzkczml/ufebf/o9v3t/93fDXC6XC0RERDIULnUAIiIib7HEiIhItlhiREQkW5FSB/CGxWKFaBIhGkUYRREmUQQAqAUBGkGAoBEgqAXExKikDUpERH4VFswLO+rr66H... | [
"yellow",
"white"
] | null | 1 |
math | calculus | describe-linear-and-exponential-growth-and-decay | false | true | How does f(t) change over the interval from t=4 to t=6? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAABxB0lEQVR4nO39eXyU9b0/fr+u2bISEpKQQDRBRKiBJICCslUsHrVuR7BHtHdrPbf9Vm1Lax+3emyP7e+0critVj3u/dpTFZe2FkUtYKAoKBQqSIRAAoYQQhayTtbZr/X3x5CEYc3A9ck1k7ye/2gmmde8ua6Za17zyZUZyTAMA0REREREZAqb1QMQEREREQ0nLNhERERERCZiwSYiIiIiMhELNhFF2LRpEyZMmIAbb7wRAHDzzTfj/fffBwA0Nzdjw4YNeO+993DzzTd... | [
"f(t) increases by 3",
"f(t) increases by 100%",
"f(t) increases by 200%",
"f(t) increases by 2"
] | null | 3 |
math | pre-k | one-less-with-pictures-up-to-5 | true | true | Count the cars in this group. Which group has one less than the group you counted? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABmCAYAAADxjOYpAAA9uklEQVR4nO3dd5Rd1X3o8e8+5/aZW6YXTVNvqFBEs4QMBpfQYwIvxjZ2HMeOjcMLsV8SgzsxtllxXPBbeQFsikliirEAYwfTJGMDFgL1Lo2mz2ja7f2c/f64M1czKqgwI43g91lLS3PvPfe0PT/tn/bZRWmtNUIIIYQQQogJYZzqExBCCCGEEOKdRBJsIYQQQgghJpAk2EIIIYQQQkwgSbCFEEIIIYSYQJJgCyGEEEIIMYEkwRZCCCGEEGICSYIthBBCCCHEBJIEWwg... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA7sAAAB+CAYAAADlVwZsAAB110lEQVR4nO3dd5xkVZnw8d+5lXN1zmFyYhIwEmfIRkBQlDUQRF0T6mvaIGDeVVcXUNDdlbAisq6SHIKyxBkkT86xp3MOlXPde94/bnd190xPnp4ZhvP9fKCnu6pu3XtPP13nOVEAEkVRFEVRFEVRjgkpJT1Z2J2EmA55VdtWlOPCKsBngRluqLCDQCW7iqIoiqIoinLM9GQkb0VP9FkoyjvbWX6wnuiTUBRFURRFUZRTya6k+bXKDrM8Zk+ToiiTL6bDjgR0Z2F... | 2 |
math | precalculus | determine-continuity-on-an-interval-using-graphs | false | true | Is the function f(x) continuous on the open interval ( – 5,8)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACKxElEQVR4nOzdeXxU5b0/8M9s2feFJCQkEJZgWEUWWUVRUHEBXKBqXWqt9rZavdVb22v1aq3tvdXbX1u11tZWrPZ68Ra1LIGigGAiBAIEkkAIAbKSZZKZyezbOb8/wkTCmiHnyZlJPu/Xy1ebZM53vpyTOfOZJ895jkaWZRlERERERKQIrdoNEBERERENJgzYREREREQKYsAmIiIiIlIQAzYR9bJ161aMHDkSS5cuBQDceuut+Pjjj8/7WK/Xi6uvvhq7du0ayBaJiIh... | [
"yes",
"no"
] | null | 1 |
math | grade-5 | three-dimensional-figures-viewed-from-different-perspectives | true | true | If you look at this object from the top, what will you see? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADSCAYAAABw17dKAAA7o0lEQVR4nO3dbVyUddo38B9i0CaKWa0otIOSurZ4M8B9hZTrjLWsdOklo/RJY7cG+KSV7rXMYOXV7sYweLXdlDrDbuomJjP2oLSKY2nJYjIQq9AmjMGaT+AgKrOr2fBQAUrcL4Y5EyUDmWd+33eMwHnoq+P/9ziPn19PT08PiIiIiIjIIUa4uwAiIiIiIl/CBpuIiIiIyIHYYBMRERERORAbbCIiIiIiB2KD7YNMJhPmzJmDSZMmQa/Xu7scIiIiomHFj1tEfIfVaoV... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA1AAAADSCAYAAABEiyF/AABDxUlEQVR4nO3df1TUBb7/8Sdh0M0fY1YrKu2ApG5dPfzweyM2rwO13uirN1A6q3K3BTyrtbb38qO27t67CaPfdo+tOsPupjcxgX6pXcUxtfJqMpBXxVYY02v5CwdRYW+WI1AhSXz/GJmttgxlhoHh9ThnTweU+bzL/ui17/fn/Q7q6OjoQEREREREvCIoKMjfJYgPXefvAkRERERERPoKBSgREREREZEuUoASERERERHpIgUoERERERGRLhrg7wLE+xwOB7m5uTi... | 0 |
math | grade-5 | identify-trapezoids | false | true | Is this quadrilateral a trapezoid? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACPCAYAAADAx6xjAAAWLUlEQVR4nO3db3BUVZ7G8efedEInQEhCYggCIhEEHESEYDOUMjpSCKjMICW4FKNF4eDOWruoVZaAgqCA5S6Os2W5ulqWlsv6Z5AV/4CMjgoOQyAgAiOiCAMICZAQQkhISJq++yJwAo5KSG736U6+n1e/cyrp+7wI1JPO7Xscz/M8AQAAAPCFazsAAAAA0JpQsAEAAAAfUbABAAAAH1GwAQAAAB9RsAEAAAAfUbABAAAAH1GwAQAAAB8FmvJFT2/7rY6ePKxOydnRzgP... | [
"no",
"yes"
] | null | 1 |
math | grade-6 | absolute-value-and-integers-word-problems | false | true | Carlton Caverns is a popular tourist destination because of its deep, winding caves. Colton and his family like to visit Carlton Caverns, but they always argue over which cave to explore first. The elevation changes of the three most popular caves are shown on a map. Which cave has the greatest elevation change? | "iVBORw0KGgoAAAANSUhEUgAAATQAAAB/CAYAAABhaT6EAAAz1UlEQVR4nO2deVzN2f/HX92WmzYiW5buzdptU0mWlKWFtGiRPVnLGIxdtpHBT01mmCGyy97EkBYpeyZEIaK0iGyptGi7Lef3R/p8fdzKbSZDd87z8fg8uOe8z/u8z+dz7+ue7Xak8PsgAgrlI86arYfd1VVfOwwKpdFwvnYAFAqF0lRQQaNQKBIDFTQKhSIxUEGjUCgSAxU0CoUiMVBBo1AoEgMVNAqFIjFQQaNQKBIDFTQKhSIxUEGjfFGGdzbCu5kR0FLV+NqhAAD... | [
"Skylight Cove",
"Hollow Caverns",
"Spooky Cave"
] | null | 1 |
math | calculus | determine-continuity-on-an-interval-using-graphs | false | true | Is the function f(x) continuous on the open interval ( – 4,2)? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH/CAYAAABtkqoWAACD4klEQVR4nO3de3hT950n/resq+8yvoLBNgQwAYyBQMLFNGSgCQ29BNIMSWbbJNPpTLrtdNpnb31mZ/vbmc1mOzvtdNNJO2lnugndaXrJlIRJwFBCuJpwsQPGNjdj8A2wZdmSrOs5ks75/aFIscEGCc7Xkuz363nytJZ0Pvpwjs7R53z1vehUVVVBRERERESayEh2AkREREREkwkLbCIiIiIiDbHAJiIiIiLSEAtsIhrlgw8+QFVVFTZv3gwA+NznPoe33357zNcGg0G... | [
"no",
"yes"
] | null | 0 |
math | algebra-2 | factor-quadratics-using-algebra-tiles | true | false | Which area model represents the factorization $6 x^{2}+11 x+3=(2 x+3)(3 x+1) ?$ | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAR0AAAE4CAYAAABmCyf+AAAVDElEQVR4nO3da2xU953G8cdzMdjj2AYGfKV2zP1abJJQuTSliREkKa1o6AsqGqQ2WqUKIVspqzTLRupNyaum21athNpQqRVCSSBpkwAhDhWBFprijMEBGwK4uL4GhsV2bBxjzzn7wrEXEzB45sx/duZ8P2+Ij/H8/nrEeeZ/zhBOmm3bdsdV6ewV6eOINGgLABzjS5Pu8EqzMqW8dCmto9+2/9Gd6GUBcINl2ZLvzJWhLwrSpTmBoUYCAKd8HJFO90rtV6UPr0i... | 0 |
math | grade-2 | match-analog-clocks-and-times | false | true | Which clock shows 5:35? | "iVBORw0KGgoAAAANSUhEUgAAAvUAAAEJCAYAAAAU+thyAABQTklEQVR4nO3dd1gUV9sG8HtRisCuoCBSFNREBY2dYsOKvcQWe1fUqNHEEvMlmthejSbGGlvsPYImdsReUFQQG6hRBAVREYGl1/n+QFZXdpdd+sL9uy4v3TkzZ55deOThzJkzIkEQBBARERERkdbSKe4AiIiIiIgof1jUExERERFpORb1RERERERajkU9EREREZGWY1FPRERERKTlWNQTEREREWk5FvVERERERFqORT0RERERkZZjUU9EREREpOVY1BMRERERaTkW9UR... | [
"Created with Snap",
"Created with Snap"
] | null | 1 |
math | grade-6 | understanding-percents-strip-models | true | false | Which model shows 40%? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAVAAAABLCAYAAAAmjt81AAACJklEQVR4nO3XsU5TYRjH4fe0pQOCLkbjBag7Czu7iau3wAVxC65Gdy6AgR1xt0YnCk2oNJ/DSRMTlYQ/ai0+z9KenHzJ+y2/vKdrrbXJvOrDrGq6qLpqBcBPjLqq7WHV082qx+OqbnLZ2tHZqscCWC+796tGp7P+4cm46vm9vq4A/Gi6qDq5qPo4r3o/qxqcXfUvxBPgetvDvpVVVeeLqsHiuxcAXG/Zyq+tarDaUQDWl4AChAQUICSgACEBBQgJKEBIQAFCo/T... | 1 |
math | grade-2 | which-picture-shows-more-up-to-5-dollars | true | false |
Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAlYAAAHCCAYAAAAtuofXAAEAAElEQVR4nOz9PWwkybbnCf5uo2dgLixgBswA7lqa1k7NYyVG7wgZT4urkS2RV6q4GlNLKoPklR5zRlhSK2qXJV1SGlKr0F6ksOgIacO19JbWSlp37M7ADFjBDTuDfSscc48gK7Nu3X71+vVLxAEyw+lubmZun8fO+Z9zfvfp//W//+P6f/s/APgd/wj8jgMd6EAHOtCBDnSgA/0a+kf+kd/BP8L/5b/7t/zbzf/2f+yxUgem6kAHOtCBDnSgAx3o19PvhHv6Hfz... | 1 |
math | grade-8 | identify-alternate-interior-and-alternate-exterior-angles | false | true | \line{SU} and \line{VX} are parallel lines. Which angles are alternate interior angles? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD2CAYAAADs6vBqAAAkhElEQVR4nO3dfXSU5Z3/8c/kgRDDQ3IggLEyQUObgiljK6mE1AQqtfUkNXDSPQoCiVvdytqAWYtKW0B7tAdbSUK3pbaeZUysaE0xu0Ypi4akDXo2EJsHgVATk0GbhbQ2oSFITMjsH/wyPyITCMzDPTP3+3UO58h9JXN9ru9fXy+uuW6L0+l0yoR6enokSbGxsYbmCFbUDwAAwL0wowMYxW63y263Gx0jaFE/AAAA9yxm3cFOTEyUxWJRe3u70VGCEvUDAABwz5Q72BU... | [
"\\angle{XWT} and \\angle{VWY}",
"\\angle{XWT} and \\angle{VWT}",
"\\angle{XWT} and \\angle{STW}",
"\\angle{XWT} and \\angle{STR}"
] | null | 2 |
math | grade-1 | square-corners | true | false | Which shape has 1 square corner? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAFE0lEQVR4nO3dP08bWRSG8dd/cAgmuyKRdkVBYQG7Xdp8CL55mqRlIXJBAdskEmAWO5jZwrFE4ZHwzL3v9YHn10XInikezfGMj+JOVVXV1Uw6v5Nu5tJDJaC1fkd615OOd6Q/B1LnalpVn69LnxZesk+/Sf2zu8U/9gfS38NFhUBbN3PpdCJdzqR/7qTu9cPiD0SGlN71Fk1J0u1c6s6f/AFIadnUz0rqlj0VvBaEBgtCgwWhwYLQYEFosCA0WBAaLAgNFoQGC0K... | 1 |
math | grade-6 | identify-equivalent-expressions-using-strip-models | false | true | This model represents the expression 4+4n+n. Which expression is equivalent to 4+4n+n? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAA+CAYAAAARUWyzAAAG9klEQVR4nO3dT2ib9x3H8Y8eW5ZkVFVWazuxQp2wpthOx1rSQg+hpUlKttCx9pDDBHNpWKGFMdjGDoPmlLHdNnrrpd4ui71BoYe2lMbJwIw2K0t8KXYiJ42dRBDbteLgzPrz+HmeHdLIdpU6LfvZPynP+3V69NMj+Bx+evyxnq9QJAiCQJIWFgKNjlZ15YqvcjkQwiGbdXT0aLz2+PjxZYtpADSSY8faa8dDQ2UVCr7FNFsrHo+ot7dFBw9GlclEbMcB0GRaJalQCDQ... | [
"9+2n",
"4+6n",
"9n",
"4+5n"
] | null | 3 |
math | algebra-1 | domain-and-range-of-absolute-value-functions-graphs | false | true | What is the range of this function? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH8CAYAAADrBti4AABkOElEQVR4nO39e3Rc5Z3n/35KVaW7bMmSLRmBZIwvwcYyGAyxsQO0CdAhITHpjElWLvSh053u3CazTuZksroz3fkxTNZ0J32SSTKZ9GQCnJW1MmECdGMjExMMduxgY2HLtgxGCFu2bOtSutZ9V9Xe5w9RwsKWXWXtR6WS3q9/QOXaH321d9Xe33rqqac8juM4AgAAAOCKglwXAAAAAMwkNNgAAACAi2iwAQAAABfRYAMYp76+Xnv37h37+cSJE5o/f746OztzWBUAAPm... | [
"$\\{y \\mid y \\geq 6\\}$",
"$\\{y \\mid y \\leq 6\\}$",
"$\\{y \\mid y \\leq 0\\}$",
"$\\{y \\mid y \\geq 0\\}$"
] | null | 3 |
science | grade-4 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAADkJUlEQVR4nOz9d5QcaXqfiT5f+PSmMss7oODRaO/NeMuhGToNvSiKPJSudiVx72p1d8/qnLt7tPfu6q60EilK5JKUSGnEoRsNzfRMj5/unvbdaHhXMOV9pc+MzHDf/SOqgAK6YBtoAN3xnBOVmeHNV5m/eOP3va+QUkqAdrvN/Pw8tVoNz/OIiLjdaJpGOp2mr68Py7Ju6bai9h9xpxG1/4gPMu9l+4+IeD8ipJTStm3OnDnDyMgIlmWh6/rt3q+ICFzXpd1uMzExwfb... | [
"sticky",
"bumpy",
"blue"
] | null | 0 |
math | grade-2 | which-bar-graph-is-correct | true | false |
Connor decided to give some clothes to charity and donated four hats, eight sweatshirts, one coat, and two pairs of shorts. He made a bar graph of the clothes. Which is his bar graph? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAfUAAAEOCAYAAACQHY7LAACKAElEQVR4nOzdeZxddX34/9fZz11m7p0tycxkJQkhJEAgYd8EBJRdFKm2otUiWq39trVSf8Wl1lYUi6W2FkXrhltdUItsEgl7WAKEJGRPJslMMvvcuetZP+f3x7kzkyBLIMmdyeTz9MHD3PV8zs3NfZ/P9n4rURRF3R5sKUMhhCBCkiRJkqTDgK5AnQbzkzDVBKXbjaKn8+PdLEmSJEmSDsSp9aBvLsc3Wk1YkIojviRJkiRJE18hhI0l2OPBpjKo+SB+QAZ0SZI... | 1 |
math | algebra-1 | identify-functions | false | true | Look at this table: Is this relation a function? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAACQCAYAAABNhSQEAAAN4UlEQVR4nO3df0zTZx4H8HcpFKFCCbSVepSxSWYEh/sF3A1zUSZNHAY9gk6nMQeo0YxbTNzcsviHkcYM3RKzi4kxt10Wf2QCCtuNiOQWLk6SAyeg6KbsBiMUWkoRhK4UCn3uD0cnit8Nqzx9vv28EpL57Uze8fG959uun+erKC8vZyCEzCgUANKq/8g7B/nFtXX/pfUIICG8AxASyKgghEigghAigQpCiAQqCCEShC7IU+YFWHzKiHBjGAAgMiUci08Y8ZR5ARQqBed... | [
"yes",
"no"
] | null | 0 |
math | grade-1 | match-analog-and-digital-clocks | true | true | Look at the digital clock: Which analog clock shows the same time? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAQKElEQVR4nO3dX4xcZ3kH4Hdm1wlmxy3hT7JB+VNpp1VoAC83VcTaqRBItnpVkSJK1SZctKDGqIpN67QXFGUNNDYCbogliNRmTZ2okW0VclFvkRMBXhJKpe5SKTTVrlEFKbOUQIJ3ldje3emFsT07xjtzZr6zZ3bnea4y8p7ve3eci995/Z33lOr1ej0AAIAkykUXAAAAm4mADQAACQnYAACQkIANAAAJCdgAAJCQgA0AAAkNFl1Ap1577bU4ceJETE1NxQsvvBDf//7... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA7gAAADgCAYAAAApDMpcAABTr0lEQVR4nO3de1ib530//rcQCGNLIBA2B9tB+ICc2BgSkjbGSZCbNE7bOMG11zZeGpNf13Zt1gZ3Xftrv2uNk9+ypttq0jTZuu67Qto4W2tqXNI2dg6W08ROU9OAsZMIH5BPAmwEAomTkNDvDyIFHZ5HZwmJ9+u6uGI99/3c9wfxkIuP7pMEgBNERERERBQVTqcTfTbg7BhgcQB2/rVNFDPpEkAhBVYvBApkgARMcImIiIiIoqZv0om3RxIdBdH889FsID3RQRA... | 1 |
math | grade-8 | similar-and-congruent-figures | false | true | Are these shapes similar? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADdCAYAAACBgQWfAAAzH0lEQVR4nO3deVxU9eLG8c+wCAKKIrimiLikXi0rzcwVdzSX3JdyV1CvbVqZiQJWLuWtfiG4pi2Wiqlp7riWpVgWBDclNUVzwRSQVZb5/cHNMncdOAw879drXjJnzjnzHJ306cz3fI/JbDabERERERERi7AxOoCIiIiISFGigi0iIiIiYkEq2CIiIiIiFqSCLSIihdawYcMICAi4Zll2djYODg5cuHDBoFQiIremgi0iIoVWdHQ09erVu2bZr7/+ipubG+7u7galEhG... | [
"no",
"yes"
] | null | 1 |
math | precalculus | find-limits-at-vertical-asymptotes-using-graphs | false | true | The graph shows f(x). The dashed line is a vertical asymptote. | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAH3CAYAAACBwSh7AABr7ElEQVR4nO39e3RU530v/r/nPqPrCAkkWSAB5mILIy4GDAYZHEhMTeIaUh87PrnYp+1qXefW1XYlzbcrK6elOfk1dbPSOonbc3Js5ziXxo0TJ2Bh4yAulowBGQSSucgC3RC6jDQzmuves2fv3x9iZEYImEHPo9Hl/VqLBZrZ854Po9l7PvuZZ+9tMgzDABERERERCWHOdAFERERERNMJG2wiIiIiIoHYYBMRERERCcQGm2gGOXDgAObPn48dO3ZkuhQiIqJpy8SDHIl... | [
"$\\lim _{x \\rightarrow-2^{+}} f(x)=\\infty$",
"$\\lim _{x \\rightarrow-2^{+}} f(x)=-\\infty$"
] | null | 0 |
math | pre-k | tally-marks-up-to-10 | false | true | Count the tally marks. What number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAGQAAABBCAYAAAAngwHRAAACCElEQVR4nO3dv07CUBTH8R/GBAYb3EQccAI3BzVuBl9AX8Awu/oCTk4+g76Am6uDuKM7ONFBopuEBSccyFWvtMVjOO1J+vssJpgmJ/mmt3+I18JkMpmAzFjKegDyJQcJO0D4mNIoBADLM5+MR8DdJdBtAx+j78+3j4CDU2B1I8Xx8qfgXUN698DtuR/ip2IAtK6AylZK4+WPv2SVgvgYwPR3N2fKI+Wb/KI+HACvXYVRCPgdpBhkNAY5fpC/Xht4DVEjX7LqzcVPQV/... | [
"7",
"1",
"3",
"10"
] | null | 1 |
math | algebra-1 | perimeter-and-area-changes-in-scale | false | true | Look at this parallelogram: If both dimensions are tripled, then which of the following statements about its perimeter will be true? | "iVBORw0KGgoAAAANSUhEUgAAABoAAAAOCAYAAAAxDQxDAAABwElEQVR4nL2UwaspYRjG3zlOUaOUTH0bNVZjRcpuVmwsWMzKSmIjkZ3kf1DT7KixsJE/wN7K1gYLSZmSUiKDZEHPXV3X4R7NOZ17n/o27/u9/Xqf7+njAID+g97/NSCRSJCiKPS2Wq2I47inI4rijwLfGWP06F6z2aR+v/+jIMKDzuczfD4fptPpYwsAoGkaZFn+UMtms6hUKgAAwzAQi8XA8zz8fj+8Xi90XccTSFVVpFKpv0IAYLfbged5DIdDAMBms4HT6YRhGLh... | [
"The new perimeter will be 2 times the old perimeter.",
"The new perimeter will be 3 times the old perimeter.",
"The new perimeter will be\n1\n2\nof the old perimeter.",
"The new perimeter will be 4 times the old perimeter."
] | null | 1 |
math | pre-k | tall-and-short | true | false |
Which watering can is shorter? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAK8AAAClCAYAAAAqCa0TAAAY7UlEQVR4nO2de3Bc1Z2gv9tvPbotycjPto1fYLUHAwYjEUzCkFhAEs9UsKjBYTOAZoHxZkiolI0ny6N2YZNdx95ENlQyhirZyeDgrUhUTUiyi5ydcYDMSN4EMxDab5tHy5ZltaS+/bjd97l/tFp+SbbVarn72uercrW7dfve33V9/uncc37nHMmyLKtHhcMpiBugWwgEJYlLAr8TFpbDVA9IPRnL2iMXOyyBYGzUB8B1KJV9M90D11dkzRYISpG4AQeScEKFgyl... | 0 |
math | grade-1 | shapes-of-everyday-objects | true | false | Which is shaped like a sphere? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAIUAAACFCAYAAAB12js8AAAMPklEQVR4nO2daWwc1R3Af7O37zN24pCEJJBAmqsCBRCCD5SqlaBIzYfSSqgFVYhSqgIilKK2ErTQSj04U6EWVaSFIkQRHxqiQgiQAwIxCcQ4BJIQJ3Fkx3Z8rL3r9e5crx/WXtvZdbJr7+zMzr6ftFrP4Xn/ZH7+z3tv3rxRhBCiR4WvYhAxQBdISgyfAlVeuLQcmgOg9CSEaB2xOyyJU7iqGnzHYsmFBQFYWZE0RlJaRAw4MgpnVDgaA8+IntwghShdqrzJ8w8... | 1 |
math | grade-2 | interpret-bar-graphs-ii | false | true | Polly went to a bird refuge and saw some seagulls, parrots, eagles, and penguins. She made a bar graph of the birds at the refuge: Did she see more penguins or eagles? | "iVBORw0KGgoAAAANSUhEUgAAAlMAAAFfCAYAAABqa0kOAACVAUlEQVR4nOzdd5hU1f3H8ffMnT7bO8vSi/SqYgMBQew9doMmthiNJUaNJj81MbFEIxY0sURS7CZgVyQK2EBFmvS2C8suy7aZnXbntvn9McsAUcqysDPK9/U8+7gzc+/M9yzuzmfOOfccWyKRSCCEEEIIIfaJPd0FCCGEEEJ8n0mYEkIIIYRoBwlTQgghhBDtIGFKCCGEEKIdJEwJIYQQQrSDhCkhhBBCiHaQMCWEEEII0Q4SpoQQQggh2kHClBBCCCFEO0iYEkIIIYR... | [
" penguins",
" eagles"
] | null | 1 |
math | grade-3 | is-it-a-polygon | false | true | Is this a polygon? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAD+CAYAAAAAuXIHAAAcBklEQVR4nO3dT2wT97rG8Wfscf4sbJJIpFIqxUjpPbBICEiHShyJRDo6dAdsyllBNpfsgE3prqzCrmVDuoNuAqtTNoTdPehKCdJFaipRp1mk9zaSjdRIdaXEwQsn8dhzF+NxHJqAk9ieP/5+NrTQKgPEmmfeeX/va9i2bQsAAABAQ0S8vgAAAAAgTAjYAAAAQAMRsAEAAIAGImADAAAADUTABgAAABqIgA0AAAA0EAEbAAAAaCACNgAAANBAptcXgKNJ5W1tWLbm18q... | [
"yes",
"no"
] | null | 1 |
science | grade-7 | compare-thermal-energy-transfers | false | true | The table shows the same data about how the temperature of each aquarium changed over 1.5hours. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAABfCAYAAACdpLOcAAAmZUlEQVR4nO3deVRTd/o/8HeCBBL2RbTaIpEqINtYBwSHKgW3MnQRF8S41XGZ6tSlo8Vubqgox9ZRx3Gq9afFtmqF2m+tjGNdKlI3LApaqYpLrTuISAg7ye8PhtgYkBsSBOL7dY7Hw73J53nuzX3Ck5vPvYiWLbihAZGZe+NNV2xaV9DSaRC1aawjImHi53dq6RToKSdu6QSIiIiIiMh02OATEREREZkRNvhERERERGaEDT4RERERkRlhg09EREREZEbY4BMRERERmRE... | [
"Thermal energy was transferred more slowly out of the uncovered aquarium.",
"Thermal energy was transferred more slowly out of the covered aquarium.",
"Thermal energy was transferred out of both aquariums at the same rate."
] | null | 2 |
math | grade-2 | interpret-bar-graphs-ii | false | true | Josh asked his classmates to vote for their favorite zoo animal. He made a bar graph of the votes: Which animal got more votes, brown bears or zebras? | "iVBORw0KGgoAAAANSUhEUgAAAgAAAAFfCAYAAAA4SHRFAACGg0lEQVR4nOzdd3Rc5Zn48e/M3OlVoy6ruVfcZGPjboMB00MJLVkgtIQSSiDJBkMI4RdKEgKEhA2EYEjIEmAXCIRimm0MxtjCsuReJVl1JE3v9feHiMALLrJlSUjP5xydM+WW576W9T73bVeVyWQyCCGEEGJQUfd1AEIIIYTofZIACCGEEIOQJABCCCHEICQJgBBCCDEISQIghBBCDEKSAAghhBCDkCQAQgghxCAkCYAQQggxCEkCIIQQQgxCkgAIIYQQg5AkAEIIIcQ... | [
" zebras",
" brown bears"
] | null | 0 |
math | grade-8 | congruent-triangles-sss-sas-and-asa | false | true | Which rule explains why these triangles are congruent? | "iVBORw0KGgoAAAANSUhEUgAAAPgAAAF5CAYAAACySufCAAAvuklEQVR4nO3deXhU5dk/8O+ZM5NlsgKBsASSSdjCGgj7liBg1baCWKuyCIjWpbXCD/UFXivWeimKa6v+XCqLKOIe0NqqBcMWAiEQkCUs2UPCTtbJbGfO+8eZmcyEJCRh5qz357q8bDODPJD55jzneZ5z3wzP8zwIIaqkk3oAhJDAoYATomLXBDw+Ph4Mw4BhGOj1evTq1QtLlixBVVWVBMMjhNwIn4BXVFSgtLQUb731FnieR01NDV5++WW88847WLBggVRjJIR0kE/... | [
"These triangles cannot be proven congruent.",
"SAS",
"ASA",
"SSS"
] | null | 0 |
engineer | grade-6 | identify-the-experimental-question | false | true | Identify the question that Savannah's experiment can best answer. The passage below describes an experiment. Read the passage and then follow the instructions below. Savannah planted 25 tomato seeds one-half inch below the soil surface in each of six pots. Savannah added an equal amount of fertilizer to three of the si... | "iVBORw0KGgoAAAANSUhEUgAAAUwAAAEICAYAAAA0p80lAAEAAElEQVR4nOz9/ZIkWZLdif1U771m7hGRmZXV1TU9Hz2YBXZJLoAFBNhdQrgUCleEL0DZ18C77JPsC/BZSKFwPzAzPd1dVZkZEe5mdq8q/1A1c8+s6sHwD6CLIrCSqIiM8PBwN7OrV/Wco0fl3/7bf+v8p+M/Hf/p+E/H/x8d/+P/+D/+Uf5uBfh/fPs/Mc8zj2+fePv2LefHB6ZpotBQV1gE3Sq6FerSYCnYxRkvBq9K/93GeDEuLy88Pz/z/PzM5XJhW1bGGJgZAOI... | [
"Do more tomato seedlings grow when they are planted in soil with fertilizer compared to soil without fertilizer?",
"Does the humidity level where tomato seeds are planted affect the number of tomato seedlings that grow?"
] | null | 0 |
math | grade-8 | congruent-triangles-sss-sas-and-asa | false | true | Which rule explains why these triangles are congruent? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAAF+CAYAAADHvFVCAAAs2ElEQVR4nO2deXST17nun0+zR8kDHgHPzGEIEGMmm5CQNEkDtEkpISnk5JzkpCttc9pzV3vbrpuetqtpz71d4ax29bS9TYC0SU5mctJwE1LAEIIMNcaEGWNbNnieJHnS/N0/tiVZNsgDkr79Se9vLS0l0mdpW9bDu9+93/28giiKIgiCuCkKqQdAEDxDAiGIIIRUIHl5eRAE4aa3H/3oR6F8K4KICEKocpDW1lbk5ubiD3/4A55++ulQvCRBSE7IIsiJEycAAHfeeWe... | [
"These triangles cannot be proven congruent.",
"SAS",
"ASA",
"SSS"
] | null | 0 |
math | grade-7 | model-and-solve-equations-using-algebra-tiles | true | false | Which set of algebra tiles represents the equation 5x+5=15? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAYIAAAB6CAYAAACyTFRJAAAJwElEQVR4nO3dbWgU+QHH8d/OJuZ083RNbn2KWBV7TbwraqsBi3ocFfrAUcraF4LYN1J8I30TX1zrIVqoxVe+8cWB7bsiygXhDluoBKqWSs4j9a4Ya6M2y50m2aRa1mw06sz0xRqJ6PV24/xndub//bzxjNn9jnPO/tjsalK+7/ujD6XrU9I9V3rsCwCQYHUpqSktrV4gLZwnpUanff/jYtSHBQCIQnezVDc0Vf7J4nnS65nySgAAkuueK10rSSMPpX9NSU7xcfk... | 0 |
math | grade-1 | subtraction-sentences-using-number-lines-up-to-10 | false | true | Which subtraction sentence does this model show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABhCAYAAADsidaRAAAWhUlEQVR4nO3de1BU590H8O9ykyBXFVRawooZMBoCXiKgTVEzGtNc1CQSzTiBpMbUNGOjfR1jkk40odU0TaITO5mYvFNjEhwVA8akjs6ogG+RiwhaZdRGXJAsWBdcstyElX3/OJ5lARF2PfCcs3w/M8zunmXW309Yznef85zn6Gw2mw1ERERERKQID9EFEBERERG5EwZsIoGarMAPVcCyo4D358DGEtEVuYZ9qIu79EFEpFVeogsgGsoyK4DX/g/oAGDV8GQt9qEu7tI... | [
"8–7=1",
"10–4=6",
"8–4=4",
"8–6=2"
] | null | 2 |
math | grade-4 | sides-and-angles-of-quadrilaterals | true | false | Which quadrilateral appears to have no right angles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAAKMUlEQVR4nO3dP4xcVxXH8d9b/wvGdgiRMBTGRQRB6QyCSBgRAUWgSgFyRIOECBIpDEoDokiVAoUCy6QBRRYSBIQtKFKBBUHij0FxCO6shBCBcYFdmEhre6U1s/Mo7rzl7nhnsd++e869930/krUzOzt3XrLn97zzfM/Zpm3b9sot6W8r0vU1adIKQCI7G2n/Dul9e6WDu6Xmymrbnl/2PixgfB4+IO18YyXcec9u6cG3h3QCSOP6mvT6Telft6S/rkhLy5PwAOE... | 0 |
math | grade-8 | 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? | "iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAjpElEQVR4nO2deZAc1Z3nP7/MOrqrurpbrW61kLABI4EOLoMuJDHCJ2YdcxhmBnuMB7MbYzC7tgHbuzExuxOO2ZiJHYd38bFrG9YzNmvY8diMsTfwjLGxxVgHuoxtQBI6MJaRkNQt9VldXVfm2z9KBU2rj8x8ryqruvMTQZgw/X75q8z3fefv/R5EREREREREREREREREREREREREREREREREREREREREREREREREREREREREREREREREREREzBEkbAfmE2o7GVpYWi7... | [
"1\n2\n of a full turn",
"1\n4\n of a full turn",
"1\n6\n of a full turn",
"1\n3\n of a full turn"
] | null | 1 |
math | grade-1 | purchases-do-you-have-enough-money | false | true |
A birthday balloon costs 29 cents. Do you have enough money to buy it? | "iVBORw0KGgoAAAANSUhEUgAAAvgAAAB3CAYAAAB2WzTHAABm9UlEQVR4nO3deXwU5f3A8c/Mntnsbu77BkIChENuD0AUUPFAVBC8xbN4VFv91Xrb2trLWtt6VWtbq9RbURRRQEFURO77CpCQkPvcZO+Z5/fHZldCEkgQBPF5v155ibOzM7PPzO5+59nv830UIYRAkiRJkiRJkqQTgnqsD0CSJEmSJEmSpCNHBviSJEmSJEmSdAI54gF+Y0CQt6CZkxa7aAzI7B9JkiRJkiRJ+j71KMB/tyLAI1u9Bw3cP6sNssets7ZJ49pV7u98gJI... | [
"no",
"yes"
] | null | 1 |
math | grade-5 | median-find-the-missing-number | false | true | Ling has the following data: If the median is 40, which number could q be? | "iVBORw0KGgoAAAANSUhEUgAAAVoAAAAkCAYAAADIDvJzAAAJU0lEQVR4nO3de3CU1RnH8e9ecr9vbkAgJCEhmwAVRCAQbqFIrIHUBp2OTHUG0TIyXqqItXVsO63oOGOxVQd0hrGodRyRQqgxlYuDECQJQsQgMZiEhBCQkA1sQrIb2MvbPwKra7gsZt/dBZ7PP8yc9+yeH0/ePfvu2bO7GkVRFACb00mv3YFTUVAQQgjxU2gArUZDhF5HkFbb36YoimKxO7A6HP5NJ4QQN5gwnY5wvQ6tzanIJCuEECqwOhzYnApaq8Pu7yxCCHHDsjr... | [
"33",
"45"
] | null | 1 |
science | grade-8 | use-scientific-names-to-classify-organisms | true | true | This organism is a Japanese honeysuckle. Its scientific name is Lonicera japonica. Select the organism in the same genus as the Japanese honeysuckle. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADMCAYAAAAGVtdxAAEAAElEQVR4nOzdd3QUVf/48feW7Cab3ntvpIcQeu+9o0iRahcbCtgVu4KFpiIoIIIgRZEmvbeQSnpCeu9ls5vt+/vDY34PVvThKV+feZ2Tc7I7s3fuvfvZmTt37twRmc1ms8FgwGQyIRAIBAKBQCAQCP5vEovFSKVSRHq93iw07gUCgUAgEAgEgv/7xGIxYqFxLxAIBAKBQCAQ/D2YTCbE/+lMCAQCgUAgEAgEgjtHaOALBAKBQCAQCAR/I0IDXyAQCAQCgUAg+BsRGvg... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA6IAAADMCAYAAABp7h4wAAEAAElEQVR4nOyddZxc1f2/n3NlbGfdsrtxd1ciEAgQXBKcIgGKFndqQAtFikuR4u4uAQLE3V3W3Xd85sr5/TGrSYDQ8m37a+fJa16buXPvueeec/buvO/HhJRSmqaJbdskSJAgQYIECRIkSJDg/08URUHTNIQQ/+6uJEjwkygJEZogQYIECRIkSJAgwf//2LaNaZr/7m4kSHBAaAkRmiBBggQJEiRIkCDBfwe2bbOqRTIoCZLVf3dvEiQAvwU7glAVg3QNpqXFtyv... | 0 |
math | kindergarten | compare-two-groups-of-coins-pennies-through-dimes | true | false |
Which is more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAaEAAACYCAYAAABNqlYTAABaWklEQVR4nO39d3id13Xg+3/fenoDDnojiEKw905RvdmyZFuxFSuOM7ZjOxnnOomduXHGmSS/SSY3T36ZJOObRI5jxyUTd1t2ZFmWqEpSEovYGwiQAIjegdPP2+8fhziWMimiLQpUsD/Po0ckJZJY59046+y9115bem7S8l6asQGQ8AAJQRAEQbg+PDwk8GBPUkV9ecZ+VdoRCUgQBEG4nqRSppHgxRkbdWHu0xWRualKI6mLRCQIgiBcH9Omx4Epi+6MiwfICyl... | 1 |
math | grade-4 | identify-parallelograms | false | true | Is this quadrilateral a parallelogram? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAADyCAYAAAB3e7J8AAAgSklEQVR4nO3deZxddWH38c8598xkSCYz2fc9E7AUUARkkYJKa33E2qp1rwqoiGu11QcLZCGAuFZr8WndqLa12lq7+AiyGKIoO7IkyFOTCUMIIYSEyR5m7j33nOePBHIzuTe5Se7c9fP+i7wyLzjJnLxe33z4nXODNE1TJEmSJFVEWOsLkCRJkpqJA1uSJEmqIAe2JEmSVEEObEmSJKmCHNiSJElSBTmwJUmSpApyYEuSJEkVVNbAftPDMafelWVZfzLc1yNJkiQ1tOB... | [
"yes",
"no"
] | null | 0 |
math | grade-7 | apply-addition-and-subtraction-rules | false | true | The number line shows an unknown number, v. Is 1–v positive or negative? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAApCAYAAAAPgl6QAAAGeUlEQVR4nO3dYUjc9x3H8c/f5E6rMck1u4BrE4yssFohDZpTg2w+GNtqCO0FKWQbmSUQiITS7kk29qQPEts864MEEsggBJRQxukQZA8W8PSJd8ao9JobbFObzKXE2LRW4+kl/vfgvGsl6pl4+f+88/2Cg/v/7//gA/978OHH9//7W7Zt2wKALNLW1ibLsnTs2DHTUeAQ7jmAbLLVdAAAeFZ37941HQEO454DyCZrLtjxeFwDAwMKhULavXt31qwifDr0mf422quhiX9... | [
"negative",
"positive"
] | null | 1 |
math | grade-3 | match-mixed-numbers-to-models | false | true | Which mixed number is shown? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAABkCAYAAAC8REciAAAR9UlEQVR4nO3dT2yb92HG8UcmLdqioD+xE8qx7EgywKS2Y0E0msmtXbSRDllWDB3sy5L0MkDZDvXBHpDYwAysi4fF3UGH+DRr62F2BgwVMAxI14OsdUncKClCQ3LkJARCxXFchq5VSqpeh5LIaAf6JSWLkkjpfcn3Jb+fW15T1Js8lwdvXv+emsXFxUUBAAAAsMSWct/ARs0mUzr+02v6i79/V7PJVLlvB3mQEQAAqEauLNizyZTODowpOf+N5hcWdXZgjALnMGQEAAC... | [
"2 3/4",
"2 2/4",
"1 3/4",
"1 3/5"
] | null | 2 |
math | grade-8 | identify-similar-triangles | false | true | Are these shapes similar? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAC+CAYAAAAP4XhrAAA7EklEQVR4nO3de3zO9f/H8ce189Fmtpnz5swcvimSQ1HohCjkMDWlkKI0oiMqCSmipIPKmYnCDzkfEyLDaMacN3PaxmbHa78/LrtYJqdtnx2e99ttN67P9b6u63nZ7Hpd7+v1eb9NmZmZmYiIiIiISK6wMTqAiIiIiEhRogJbRERERCQXqcAWEREREclFKrBFRIqAc+fOUaJECU6cOJHt+FdffUXDhg1JSUkxKJmISPFj0kmOIiJFQ+/evSlTpgwffvghAH/99RdPPfU... | [
"no",
"yes"
] | null | 0 |
math | algebra-1 | identify-linear-and-exponential-functions-from-graphs | false | true | What type of function does this graph show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAAETCAYAAAAMFHHvAAAeZ0lEQVR4nO3dX2xb93338c+hqH9mSlFxZNpLYDRTWstaAUuTbEjY86RzgQAVTCpxgGJxsaLjRS4CbMAuhEEwlDqCmUIYBHdA0zbtRZUUDRDjqasAEZAAMeC7UYlDRG0ygd7KJ/YKPBFd1yI56I8pSue5oElbluSQIqlzDvl+3cQ6+on6top9Pjn+8fcxTNM0BQAAAKAiXFYPAAAAANQSAjYAAABQQQRsAAAAoIII2AAAAEAFEbCxrdXVVa2urlo9BgAAgOMQsLGtubk... | [
"linear",
"exponential"
] | null | 0 |
math | grade-5 | types-of-angles | false | true | Look at the angle marked on this shape: Is this angle greater than, equal to, or less than a right angle? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACgCAYAAAA2PRuAAAAEmklEQVR4nO3dMWvcZQDH8efSC1SD4CQ0ax2SyQiX2S6CvgB9B12q9L0odLEvRt0CCnZLBh29QSfBhEDSnlNdhNo7vuHfSz+f9Z67+w03fDme42ar1Wo1AACAxM7UAwAA4DYR2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABAS2AAAEBLYAAAQEtgAABA... | [
"less than a right angle",
"equal to a right angle",
"greater than a right angle"
] | null | 1 |
science | grade-7 | 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. | "iVBORw0KGgoAAAANSUhEUgAAAcgAAABSCAYAAADQK0R7AAANS0lEQVR4nO3dfWxU9Z7H8fd06HRauX2yPLUgBQopt5iVJ7kI4kWItW4XKujVLKyES9g2EZQsZi8ga0jk6kXJpZXkStB0gSXALiLIQ924YW9xwSeoCCIPfZKydspF7cOl0pZ25uwfhIlsD+10mJnTGT6vhIQ5PQ/f8+3vO985Z07PsRmGYSAiIiK3iLI6ABERkd5IDTIEvvrqK2w22y3/HA4HmZmZrFixgubm5h6t76mnnmLmzJl+xfL111+TmZlJYmKiX8uLhLveUo9... | [
"The magnitude of the magnetic force is smaller in Pair 2.",
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is smaller in Pair 1."
] | null | 1 |
science | grade-8 | identify-ecosystems | true | false | Select the hot desert ecosystem. 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
dry, thin soil
many different types of organisms This ecosystem has:
warm, wet summers and cold, wet winters
soil that is rich in ... | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAp8AAACtCAYAAAD2xRSHAAEAAElEQVR4nOy9ebglV13u/1lrVdWe95lPj+l0Z+oQhghhlEkZhAsOqAh6BURAUa78FAUFQbney0V4EEUG0asSCXi5+KiAz3VCETTGAAImEIYQkk7P3WfeZ881rPX7Y1XVrqqzT6eDMkjq7aee2ruGVWutqtP7rfc7iX/tGHO0AS1FiRIlSpQoUaJEiRJfE3QjuL0PYjs0piSeJUqUKFGiRIkSJb7W6EYgjDHmG92REiVKlChRokSJEvcNONkvb/6FDyKlRAgBgDE... | 0 |
math | kindergarten | represent-numbers-up-to-20 | true | false |
Which picture shows 6 triangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAcwAAABcCAYAAADjyoVxAAAFSElEQVR4nO3dQW9UZRTH4TOFsgBREhFjwEgXasTElYqu7EZcuVL067j2m7jVhUu3xg9ggpK40EQsQwtTSuzYcl1Mpg6JN31b5vbe8/I8GzpT0s5v9c+BtDNqmqa5M424/Shiez9irwkAeOadHkWcPxXx+tmIl89EjO7sNs1Pk75fFgAM1/XnI07/+mj24JUzEW+em60pADzrtvcjbu1E/DmN+OVRxMpkb/YJYwkA/zl/araNEREP9yNW9hc+AQD8Z76N/zQRK/2... | 1 |
math | pre-k | represent-numbers-up-to-20 | true | false |
Which picture shows 20 triangles? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAjgAAACSCAYAAABIbbBXAAANtUlEQVR4nO3dwW/b5R3H8Y/dtDaNk5qqXWukSY20bvSW5jKKRAW9lWoXJOh9uU2aynUS/wvckDjCf4CEJu3CgQNiRe2UiCSW16ZNYiep43gHE7crzpolP/t5Pl/erwtLCM7zRjt8VPx7XOr3+/21Z9KPHWmzJ+31BQAAYGWqJM2ckq6elS6dkUpru/3+PzZSHwsAAKAYf5yVpu53Bl80zkh/mB6sHwAAACebPemHtrT6TPpnRypv7A3+BuMGAAC4mjk12DKStNW... | 1 |
math | pre-k | fewer-and-more-compare-by-counting | true | false | Which group has more? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAOAAAADgCAYAAAAaLWrhAAALgklEQVR4nO3dW2xU5R6G8Xd6Lj3Qdmwrp9oDG7CtLRICKBpKFO9AYogmxARvFMMhxkiM13phBEMQ8IbEhEs1GOVwBTsBIigQrdDaAgItUqXU0gM9UbBl7YsCcW92ZcZ21r9rvueXNEAIa71Ann5lyMyEPM/zrt2WLg5IvcPSkCcAMZIUkrISpX9NkgpTpNC1W553qsd6FuCehdlS0oWBkR9MSZFmZ4zUCSA2eoel8/1S623plwEpoWdo5CeID4i9rMSR1iSpb1h... | 1 |
math | kindergarten | subtraction-sentences-up-to-10-which-model-matches | true | false |
Which picture shows 6 − 4 = 2? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAagAAABKCAYAAADuScD9AAAQCElEQVR4nO3dW2xUh5kH8P85c/WYAWwHQyCJgXLfUJYQDA4JbdM0RWqbbZt0lYo8oCq7bbLVKrvK015UbdTdvqxUrdrVarfaXaIVVTZbEjVNSVLapCgigJNgIMFgzNW3scfG47mf+9mHweO5ezxzZuZ4+v+94HNmfPj+6Oj7mHMbwTRNc1wBriaAqA5oJoiIiOrOKQB+B7DRB6x0A8K4bJq9kUaXRURENGfPUsA5mEgt3O0GNremphcREVG9RXVgIA4EFOBKAhA... | 1 |
math | grade-2 | how-much-more-to-make-a-dollar | true | true | You have these coins:Which coins do you need to make a dollar? | "iVBORw0KGgoAAAANSUhEUgAAAUEAAABNCAYAAAA4u9b+AABOjElEQVR4nO29Z3xc93nn+z1nesFUYFAGvZJgAwl2UqRIkaK6bMmSLMmR7MRxvG7JJtk42dhO9t7ETm4+d1P2JpYcryw7llzUG1VJiUXsFSBIdKIDMxhM7zNnzn1xBkPSomRRoiRnPd83JMrMnPPgd/7l+T9FkGVZpkiRIkV+SxE/6QsoUqRIkU+S4iBYpEiR32qKg2CRIkV+qykOgkWKFPmtpjgIFilS5Lca9Sf54bIsk8vlEEVlLI7Foni9HgKBIBqNhkAgiFaroby... | null | [
"iVBORw0KGgoAAAANSUhEUgAAA5kAAABoCAYAAAB7cDQHAAC990lEQVR4nOy9d3Sc13nn/3nr9AZgBr2DIAH2LlKdapYsuVfZseNkYzuxEyfZbNqe3242u7GTzWaz2bPpcYu7LFldVqMoUhJJsZNgRe/AzACD6eWtvz8GhCTHSUhZlqL4/ZzDA6LNvPfizjv3uc/3+T4CYOPg4ODwM4pt28xrMFyEnAmGc0d0cHBwcHBwcLgqZAECEqzyQr0KAk6Q6eDg8DPMfMXmSPatvgoHBwcHBwcHh38f7AyC/FZfhIODg8NbyVCx+rFRhdW... | 1 |
science | grade-3 | identify-magnets-that-attract-or-repel | false | true | Two magnets are placed as shown. Hint: Magnets that attract pull together. Magnets that repel push apart. | "iVBORw0KGgoAAAANSUhEUgAAAgkAAAC6CAYAAAAko94KAAA0LUlEQVR4nO3dd3hUZfo38O/0kjYpJCEkJNQEQu9IC0gXxIoFUBTRta6u66r77rqWdVd/unZWsHcFLBQVpEk1IB1BQhISEkIS0mcmM5k+7x8hbCgpMzlnnjnP3J/r4lJj5syteXLOd54q83q9XhBB5dYVo8BYikJTGcqs1aizm2FyWGF2WGF2WnHlocdgU1hglzXAJrNCrQaGdekNjUYGtUYGjUYOfZgc0dFKGGKUiI5RQKmUsf7PIoQQ0dVUu1BX64axzoV6swd2mwd... | [
"attract",
"repel"
] | null | 1 |
math | kindergarten | count-sides | true | false | Which shape has 4 sides? | null | null | [
"iVBORw0KGgoAAAANSUhEUgAAAJoAAACaCAYAAABR/1EXAAAEzUlEQVR4nO3dv25TVwDH8Z/tJEJA+kdCRe1eOvAASF2QunbsC/QF+iIVW2akPkCr0iETUgYGpDIwNGKgqZAqIdlAaSIbO+D45nQwqEFtiLHP/d1zzv1+NhNELuEb33N/UkQnhBAGU+mPiTSqpFkQsLK1jrTZkz4/L13ekDqDVyHcGzZ9WSjZtQ+ktb3J/MWnG9IXF+YVAqsaVdLDsdSfSr9PpO5wNv8AkSGmzd68KUl6UUnd6sQHgJjeNHUUpG6zl4K2IDRYEBo... | 1 |
math | grade-3 | match-clocks-and-times | false | true | What time does the clock show? | "iVBORw0KGgoAAAANSUhEUgAAAtgAAACwCAYAAAA16xkbAAAPLklEQVR4nO3df2yc9X0H8I/zYyT4GLSii9c1bMO3UglaO620otlhWodkV/1rpKiFag2qRrcm1QapmuyPgtSkf9SWBpNKskG0iQQFNkQisU2arxJkgF3Y2kn2qKhY7dCtzXZZaYuac5pQgvdHcGJfin2P73v35O5eLynSnezvPZ8nyR/v++jzfL9dc3NzcwEAACSxKu8CAACgnQjYAACQkIANAAAJCdgAAJCQgA0AAAkJ2AAAkNCavAtYqdOnT8eRI0diYmIiXn755fj... | [
"seven twenty",
"seven o'clock",
"six ten"
] | null | 2 |
science | grade-5 | classify-fruits-and-vegetables-as-plant-parts | false | true | People use apple trees for food. We usually eat the part of this plant that contains the seeds. It grows from a pollinated flower. Which part of the apple tree do we usually eat? People use apple trees for food. We usually eat the part of this plant that contains the seeds. It grows from a pollinated flower. | "iVBORw0KGgoAAAANSUhEUgAAARoAAADKCAYAAAB6+o8hAAEAAElEQVR4nOz9Z7Qt6V3f+36rZs2c85xrzrlyXnuvtXPo3qF356QOaqklIQESYMDggw/H+OCL7YONfcA+xweDbTBBCJCEBJJasVudw85x7b1yzmnmnGvOqrovxPX1GPa4Ly3GuP69qldVr57P+D//J5Twy7/8yxr/M/8z/zP/f5Hf/d3f/bF8VwL4x7/9n9AbQJMgX9rH6myTLWzTVEooWo1AwMMPXv8eq6sruN1O1laW2Nxaw2E3k00WeOm5LxDP5LkxdxvNDrV2hUK... | [
"the stem",
"the flowers",
"the fruit"
] | null | 2 |
science | grade-3 | compare-properties-of-objects | false | true | Which property do these three objects have in common? Select the best answer. | "iVBORw0KGgoAAAANSUhEUgAAAvgAAADQCAYAAAByQhWRAACTHElEQVR4nOz9d5wc2XnfC3/PqdC5JyfkjM15yd0ll1GiSIqkRIVLWcmUryXqXidZfq8VrFey9L6SLV1ZlK5tyZRMK9kmJcuyqEBSJJcUuQybuHkXu8AuwgKYnKdTpXPuH6eqp2cwwCIMgBngfD+fQvd0V1dVF7qrf+c5v+d5hNZaA7RaLcbGxlhcXCSOYyyWq43rulSrVUZGRsjn85d1X/bzb9lo2M+/5XrmSn7+LZZrEaG11s1mk1dffZWdO3eSz+fxPO9qH5fFQhR... | [
"sticky",
"fuzzy",
"hard"
] | null | 0 |
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