medium Set 80 Form Exercise

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

{
    "_meta": {
        "nodeId": "node-1-leaf-pyramid-multiplication-3layer-medium",
        "pageNumber": 80,
        "generatedAt": "2026-03-16T15:21:50.800Z",
        "generatorVersion": "v7.2.1-wp-g2",
        "seed": "52fe3a675ba0dc89",
        "seedInput": "1|node-1-leaf-pyramid-multiplication-3layer-medium|80|1.0.0|",
        "schemaVersion": "2.0.0",
        "mathTemplateId": null,
        "archetype": "guided-solver",
        "siteId": 1
    },
    "semantics": {
        "solvability": {
            "isDeterministic": true,
            "solutionCount": 1
        },
        "difficulty": {
            "declaredLevel": "medium",
            "computedScore": 18,
            "metrics": {
                "problemCount": 4,
                "operation": "pyramid",
                "digits": 2,
                "regrouping": false
            }
        },
        "diversity": {
            "structuralHash": "b561ffddb4091138e540d36399321e87",
            "contentFingerprint": "ce6bd718dbcf5c99"
        },
        "interaction": {
            "checkable": true,
            "revealable": true,
            "randomizable": true,
            "hintable": false,
            "progressable": true,
            "inputType": [
                "text-input"
            ]
        }
    },
    "version": "2.0",
    "generatorId": "arithmetic-generator-v7.2.1",
    "operation": "pyramid",
    "subject": "arithmetic",
    "difficulty": "medium",
    "config": {
        "difficulty": "medium",
        "maxNumber": 10
    },
    "problems": [
        {
            "type": "number-pyramid",
            "subType": "number-pyramid",
            "difficulty": "medium",
            "question": "Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [26, _] → [_, 11, 6] → [7, _, 3, _]",
            "answer": "Row4[4]=3, Row3[1]=15, Row2[2]=17, Row4[2]=8",
            "levels": [
                [
                    43
                ],
                [
                    26,
                    17
                ],
                [
                    15,
                    11,
                    6
                ],
                [
                    7,
                    8,
                    3,
                    3
                ]
            ],
            "base": [
                7,
                8,
                3,
                3
            ],
            "topValue": 43,
            "hiddenCells": [
                {
                    "r": 3,
                    "c": 3,
                    "v": 3
                },
                {
                    "r": 2,
                    "c": 0,
                    "v": 15
                },
                {
                    "r": 1,
                    "c": 1,
                    "v": 17
                },
                {
                    "r": 3,
                    "c": 1,
                    "v": 8
                }
            ]
        },
        {
            "type": "number-pyramid",
            "subType": "number-pyramid",
            "difficulty": "medium",
            "question": "Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [23, _] → [8, _, 20] → [_, _, 10, 10]",
            "answer": "Row4[2]=5, Row3[2]=15, Row4[1]=3, Row2[2]=35",
            "levels": [
                [
                    58
                ],
                [
                    23,
                    35
                ],
                [
                    8,
                    15,
                    20
                ],
                [
                    3,
                    5,
                    10,
                    10
                ]
            ],
            "base": [
                3,
                5,
                10,
                10
            ],
            "topValue": 58,
            "hiddenCells": [
                {
                    "r": 3,
                    "c": 1,
                    "v": 5
                },
                {
                    "r": 2,
                    "c": 1,
                    "v": 15
                },
                {
                    "r": 3,
                    "c": 0,
                    "v": 3
                },
                {
                    "r": 1,
                    "c": 1,
                    "v": 35
                }
            ]
        },
        {
            "type": "number-pyramid",
            "subType": "number-pyramid",
            "difficulty": "medium",
            "question": "Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [22, 29] → [_, 11, _] → [_, 2, 9, _]",
            "answer": "Row4[4]=9, Row3[1]=11, Row3[3]=18, Row4[1]=9",
            "levels": [
                [
                    51
                ],
                [
                    22,
                    29
                ],
                [
                    11,
                    11,
                    18
                ],
                [
                    9,
                    2,
                    9,
                    9
                ]
            ],
            "base": [
                9,
                2,
                9,
                9
            ],
            "topValue": 51,
            "hiddenCells": [
                {
                    "r": 3,
                    "c": 3,
                    "v": 9
                },
                {
                    "r": 2,
                    "c": 0,
                    "v": 11
                },
                {
                    "r": 2,
                    "c": 2,
                    "v": 18
                },
                {
                    "r": 3,
                    "c": 0,
                    "v": 9
                }
            ]
        },
        {
            "type": "number-pyramid",
            "subType": "number-pyramid",
            "difficulty": "medium",
            "question": "Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [7, _] → [_, 4, _] → [1, 2, 2, _]",
            "answer": "Row3[3]=5, Row2[2]=9, Row4[4]=3, Row3[1]=3",
            "levels": [
                [
                    16
                ],
                [
                    7,
                    9
                ],
                [
                    3,
                    4,
                    5
                ],
                [
                    1,
                    2,
                    2,
                    3
                ]
            ],
            "base": [
                1,
                2,
                2,
                3
            ],
            "topValue": 16,
            "hiddenCells": [
                {
                    "r": 2,
                    "c": 2,
                    "v": 5
                },
                {
                    "r": 1,
                    "c": 1,
                    "v": 9
                },
                {
                    "r": 3,
                    "c": 3,
                    "v": 3
                },
                {
                    "r": 2,
                    "c": 0,
                    "v": 3
                }
            ]
        }
    ],
    "layout": {
        "columns": 2,
        "problemsPerPage": 20
    },
    "_archetype": "guided-solver",
    "_generatorId": "arithmetic-generator-v7.2.1"
}