B Set 20 Unknown

This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.

{
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        "operation": "pyramid",
        "subject": "arithmetic",
        "difficulty": "starter",
        "config": {
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            {
                "type": "number-pyramid",
                "subType": "number-pyramid",
                "difficulty": "starter",
                "question": "Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [11, _] → [_, 6, 9]",
                "answer": "Row3[1]=5, Row2[2]=15",
                "levels": [
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            {
                "type": "number-pyramid",
                "subType": "number-pyramid",
                "difficulty": "starter",
                "question": "Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 11] → [10, _, 2]",
                "answer": "Row2[1]=19, Row3[2]=9",
                "levels": [
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            {
                "type": "number-pyramid",
                "subType": "number-pyramid",
                "difficulty": "starter",
                "question": "Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 9] → [7, _, 6]",
                "answer": "Row3[2]=3, Row2[1]=10",
                "levels": [
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                        9
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                        3,
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            {
                "type": "number-pyramid",
                "subType": "number-pyramid",
                "difficulty": "starter",
                "question": "Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 14] → [_, 9, 5]",
                "answer": "Row3[1]=5, Row1[1]=28",
                "levels": [
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                        14
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    "_archetype": "guided-solver",
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