hard Set 12 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-addition-three-digit",
        "pageNumber": 12,
        "generatedAt": "2026-03-16T15:21:25.908Z",
        "generatorVersion": "v7.2.1-wp-g2",
        "seed": "52e2b8bcb9c3c520",
        "seedInput": "1|node-1-addition-three-digit|12|1.0.0|",
        "schemaVersion": "2.0.0",
        "mathTemplateId": null,
        "archetype": "form-exercise",
        "siteId": 1
    },
    "semantics": {
        "solvability": {
            "isDeterministic": true,
            "solutionCount": 1
        },
        "difficulty": {
            "declaredLevel": "hard",
            "computedScore": 68,
            "metrics": {
                "problemCount": 19,
                "operation": "addition",
                "digits": 3,
                "regrouping": false
            }
        },
        "diversity": {
            "structuralHash": "168e9de888825e093dcc98f5ca85271b",
            "contentFingerprint": "52dab075d3b13748"
        },
        "interaction": {
            "checkable": true,
            "revealable": true,
            "randomizable": true,
            "hintable": false,
            "progressable": true,
            "inputType": [
                "text-input"
            ]
        }
    },
    "version": "2.0",
    "generatorId": "arithmetic-generator-v7.2.1",
    "operation": "addition",
    "subject": "arithmetic",
    "difficulty": "hard",
    "config": {
        "maxNumber": 999,
        "minNumber": 100,
        "digits": 3,
        "regrouping": false,
        "operation": "addition"
    },
    "problems": [
        {
            "id": 1,
            "operand1": 411,
            "operand2": 216,
            "operator": "+",
            "question": "411 + 216 = ___",
            "answer": 627
        },
        {
            "id": 2,
            "operand1": 207,
            "operand2": 440,
            "operator": "+",
            "question": "207 + 440 = ___",
            "answer": 647
        },
        {
            "id": 3,
            "operand1": 113,
            "operand2": 653,
            "operator": "+",
            "question": "113 + 653 = ___",
            "answer": 766
        },
        {
            "id": 4,
            "operand1": 815,
            "operand2": 122,
            "operator": "+",
            "question": "815 + 122 = ___",
            "answer": 937
        },
        {
            "id": 5,
            "operand1": 478,
            "operand2": 310,
            "operator": "+",
            "question": "478 + 310 = ___",
            "answer": 788
        },
        {
            "id": 6,
            "operand1": 104,
            "operand2": 495,
            "operator": "+",
            "question": "104 + 495 = ___",
            "answer": 599
        },
        {
            "id": 7,
            "operand1": 632,
            "operand2": 206,
            "operator": "+",
            "question": "632 + 206 = ___",
            "answer": 838
        },
        {
            "id": 8,
            "operand1": 820,
            "operand2": 110,
            "operator": "+",
            "question": "820 + 110 = ___",
            "answer": 930
        },
        {
            "id": 9,
            "operand1": 357,
            "operand2": 122,
            "operator": "+",
            "question": "357 + 122 = ___",
            "answer": 479
        },
        {
            "id": 10,
            "operand1": 346,
            "operand2": 213,
            "operator": "+",
            "question": "346 + 213 = ___",
            "answer": 559
        },
        {
            "id": 11,
            "operand1": 240,
            "operand2": 552,
            "operator": "+",
            "question": "240 + 552 = ___",
            "answer": 792
        },
        {
            "id": 12,
            "operand1": 344,
            "operand2": 334,
            "operator": "+",
            "question": "344 + 334 = ___",
            "answer": 678
        },
        {
            "id": 13,
            "operand1": 103,
            "operand2": 193,
            "operator": "+",
            "question": "103 + 193 = ___",
            "answer": 296
        },
        {
            "id": 14,
            "operand1": 130,
            "operand2": 203,
            "operator": "+",
            "question": "130 + 203 = ___",
            "answer": 333
        },
        {
            "id": 15,
            "operand1": 413,
            "operand2": 421,
            "operator": "+",
            "question": "413 + 421 = ___",
            "answer": 834
        },
        {
            "id": 16,
            "operand1": 536,
            "operand2": 100,
            "operator": "+",
            "question": "536 + 100 = ___",
            "answer": 636
        },
        {
            "id": 17,
            "operand1": 230,
            "operand2": 240,
            "operator": "+",
            "question": "230 + 240 = ___",
            "answer": 470
        },
        {
            "id": 18,
            "operand1": 254,
            "operand2": 103,
            "operator": "+",
            "question": "254 + 103 = ___",
            "answer": 357
        },
        {
            "id": 19,
            "operand1": 402,
            "operand2": 195,
            "operator": "+",
            "question": "402 + 195 = ___",
            "answer": 597
        }
    ],
    "layout": {
        "columns": 2,
        "problemsPerPage": 20
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}