easy 4×4 Set 35 Form Exercise

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

{
    "outputTargets": {
        "screen": true,
        "print": true,
        "pdf": true,
        "answerKey": true
    },
    "_meta": {
        "nodeId": "node-1-leaf-magic-square-4x4-easy",
        "pageNumber": 35,
        "generatedAt": "2026-03-16T15:22:00.895Z",
        "generatorVersion": "v7.2.1-wp-g2",
        "seed": "549260e82ade5028",
        "seedInput": "1|node-1-leaf-magic-square-4x4-easy|35|1.0.0|",
        "schemaVersion": "2.0.0",
        "mathTemplateId": null,
        "archetype": "form-exercise",
        "siteId": 1
    },
    "semantics": {
        "solvability": {
            "isDeterministic": true,
            "solutionCount": 1
        },
        "difficulty": {
            "declaredLevel": "easy",
            "computedScore": 18,
            "metrics": {
                "problemCount": 4,
                "operation": "magic-square",
                "digits": 2,
                "regrouping": false
            }
        },
        "diversity": {
            "structuralHash": "b561ffddb4091138e540d36399321e87",
            "contentFingerprint": "bbeebcac05061e5b"
        },
        "interaction": {
            "checkable": true,
            "revealable": true,
            "randomizable": true,
            "hintable": false,
            "progressable": true,
            "inputType": [
                "text-input"
            ]
        }
    },
    "version": "2.0",
    "generatorId": "arithmetic-generator-v7.2.1",
    "operation": "magic-square",
    "subject": "arithmetic",
    "difficulty": "easy",
    "gridSize": 4,
    "config": {
        "gridSize": 4,
        "difficulty": "easy",
        "maxNumber": 10
    },
    "problems": [
        {
            "type": "magic-square",
            "subType": "magic-square",
            "difficulty": "easy",
            "question": "Complete the magic square. Each row, column, and diagonal must sum to 42. Grid: [15 10 _ | 16 14 12 | _ _ _]",
            "answer": "15 10 17 | 16 14 12 | 11 18 13",
            "grid": [
                [
                    15,
                    10,
                    null
                ],
                [
                    16,
                    14,
                    12
                ],
                [
                    null,
                    null,
                    null
                ]
            ],
            "solvedGrid": [
                [
                    15,
                    10,
                    17
                ],
                [
                    16,
                    14,
                    12
                ],
                [
                    11,
                    18,
                    13
                ]
            ],
            "magicConstant": 42
        },
        {
            "type": "magic-square",
            "subType": "magic-square",
            "difficulty": "easy",
            "question": "Complete the magic square. Each row, column, and diagonal must sum to 42. Grid: [15 16 11 | _ _ 18 | _ 12 _]",
            "answer": "15 16 11 | 10 14 18 | 17 12 13",
            "grid": [
                [
                    15,
                    16,
                    11
                ],
                [
                    null,
                    null,
                    18
                ],
                [
                    null,
                    12,
                    null
                ]
            ],
            "solvedGrid": [
                [
                    15,
                    16,
                    11
                ],
                [
                    10,
                    14,
                    18
                ],
                [
                    17,
                    12,
                    13
                ]
            ],
            "magicConstant": 42
        },
        {
            "type": "magic-square",
            "subType": "magic-square",
            "difficulty": "easy",
            "question": "Complete the magic square. Each row, column, and diagonal must sum to 33. Grid: [10 _ _ | 9 _ 13 | 14 7 _]",
            "answer": "10 15 8 | 9 11 13 | 14 7 12",
            "grid": [
                [
                    10,
                    null,
                    null
                ],
                [
                    9,
                    null,
                    13
                ],
                [
                    14,
                    7,
                    null
                ]
            ],
            "solvedGrid": [
                [
                    10,
                    15,
                    8
                ],
                [
                    9,
                    11,
                    13
                ],
                [
                    14,
                    7,
                    12
                ]
            ],
            "magicConstant": 33
        },
        {
            "type": "magic-square",
            "subType": "magic-square",
            "difficulty": "easy",
            "question": "Complete the magic square. Each row, column, and diagonal must sum to 33. Grid: [_ _ 14 | _ _ 7 | 8 13 12]",
            "answer": "10 9 14 | 15 11 7 | 8 13 12",
            "grid": [
                [
                    null,
                    null,
                    14
                ],
                [
                    null,
                    null,
                    7
                ],
                [
                    8,
                    13,
                    12
                ]
            ],
            "solvedGrid": [
                [
                    10,
                    9,
                    14
                ],
                [
                    15,
                    11,
                    7
                ],
                [
                    8,
                    13,
                    12
                ]
            ],
            "magicConstant": 33
        }
    ],
    "layout": {
        "columns": 2,
        "problemsPerPage": 20
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}