hard Set 70 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-word-problems-subtraction-1step-hard",
        "pageNumber": 70,
        "generatedAt": "2026-03-16T15:21:58.205Z",
        "generatorVersion": "v7.2.1-wp-g2",
        "seed": "72ad749e9b94a080",
        "seedInput": "1|node-1-leaf-word-problems-subtraction-1step-hard|70|1.0.0|",
        "schemaVersion": "2.0.0",
        "mathTemplateId": null,
        "archetype": "form-exercise",
        "siteId": 1
    },
    "semantics": {
        "solvability": {
            "isDeterministic": true,
            "solutionCount": 1
        },
        "difficulty": {
            "declaredLevel": "hard",
            "computedScore": 50,
            "metrics": {
                "problemCount": 20,
                "operation": "word-problems",
                "digits": 2,
                "regrouping": false
            }
        },
        "diversity": {
            "structuralHash": "079b8b6eb5f463b0b665b01f69b624f0",
            "contentFingerprint": "3798e2a4b10cbbdf"
        },
        "interaction": {
            "checkable": true,
            "revealable": true,
            "randomizable": true,
            "hintable": false,
            "progressable": true,
            "inputType": [
                "text-input"
            ]
        }
    },
    "version": "2.0",
    "generatorId": "arithmetic-generator-v7.2.1",
    "operation": "word-problems",
    "subject": "arithmetic",
    "difficulty": "hard",
    "config": {
        "difficulty": "hard",
        "operation": "subtraction",
        "maxNumber": 10
    },
    "problems": [
        {
            "id": 1,
            "type": "word-problems",
            "subType": "addition",
            "question": "Liam has 7 marbles and gets 10 more. How many marbles does Liam have now?",
            "answer": 17,
            "correctAnswer": "17",
            "difficulty": "hard"
        },
        {
            "id": 2,
            "type": "word-problems",
            "subType": "multiplication",
            "question": "Ava has 9 bags with 8 cookies in each bag. How many cookies does Ava have in all?",
            "answer": 72,
            "correctAnswer": "72",
            "difficulty": "hard"
        },
        {
            "id": 3,
            "type": "word-problems",
            "subType": "subtraction",
            "question": "Lisa had 10 cards and sold 6 of them. How many cards does Lisa have remaining?",
            "answer": 4,
            "correctAnswer": "4",
            "difficulty": "hard"
        },
        {
            "id": 4,
            "type": "word-problems",
            "subType": "addition",
            "question": "Jake put 8 oranges in a basket and added 9 more. How many oranges are in the basket in total?",
            "answer": 17,
            "correctAnswer": "17",
            "difficulty": "hard"
        },
        {
            "id": 5,
            "type": "word-problems",
            "subType": "multiplication",
            "question": "Lisa bought 5 boxes. Each box has 3 apples. How many apples does Lisa have in total?",
            "answer": 15,
            "correctAnswer": "15",
            "difficulty": "hard"
        },
        {
            "id": 6,
            "type": "word-problems",
            "subType": "subtraction",
            "question": "Sam had 9 cards and gave away 6. How many cards does Sam have left?",
            "answer": 3,
            "correctAnswer": "3",
            "difficulty": "hard"
        },
        {
            "id": 7,
            "type": "word-problems",
            "subType": "subtraction",
            "question": "Sofia had 8 grapes and gave away 6. How many grapes does Sofia have left?",
            "answer": 2,
            "correctAnswer": "2",
            "difficulty": "hard"
        },
        {
            "id": 8,
            "type": "word-problems",
            "subType": "subtraction",
            "question": "Jake had 6 toys and gave away 5. How many toys does Jake have left?",
            "answer": 1,
            "correctAnswer": "1",
            "difficulty": "hard"
        },
        {
            "id": 9,
            "type": "word-problems",
            "subType": "subtraction",
            "question": "Noah bought 8 grapes but lost 7 of them. How many grapes does Noah have now?",
            "answer": 1,
            "correctAnswer": "1",
            "difficulty": "hard"
        },
        {
            "id": 10,
            "type": "word-problems",
            "subType": "subtraction",
            "question": "Sofia had 6 grapes and gave away 5. How many grapes does Sofia have left?",
            "answer": 1,
            "correctAnswer": "1",
            "difficulty": "hard"
        },
        {
            "id": 11,
            "type": "word-problems",
            "subType": "subtraction",
            "question": "Ava bought 9 books but lost 6 of them. How many books does Ava have now?",
            "answer": 3,
            "correctAnswer": "3",
            "difficulty": "hard"
        },
        {
            "id": 12,
            "type": "word-problems",
            "subType": "subtraction",
            "question": "Mia bought 10 cookies but lost 5 of them. How many cookies does Mia have now?",
            "answer": 5,
            "correctAnswer": "5",
            "difficulty": "hard"
        },
        {
            "id": 13,
            "type": "word-problems",
            "subType": "addition",
            "question": "Liam had 7 stickers. A friend gave Liam 7 more stickers. How many stickers does Liam have in all?",
            "answer": 14,
            "correctAnswer": "14",
            "difficulty": "hard"
        },
        {
            "id": 14,
            "type": "word-problems",
            "subType": "addition",
            "question": "Noah has 10 stickers and gets 6 more. How many stickers does Noah have now?",
            "answer": 16,
            "correctAnswer": "16",
            "difficulty": "hard"
        },
        {
            "id": 15,
            "type": "word-problems",
            "subType": "subtraction",
            "question": "Ava bought 10 apples but lost 9 of them. How many apples does Ava have now?",
            "answer": 1,
            "correctAnswer": "1",
            "difficulty": "hard"
        },
        {
            "id": 16,
            "type": "word-problems",
            "subType": "multiplication",
            "question": "Jake has 3 bags with 4 oranges in each bag. How many oranges does Jake have in all?",
            "answer": 12,
            "correctAnswer": "12",
            "difficulty": "hard"
        },
        {
            "id": 17,
            "type": "word-problems",
            "subType": "addition",
            "question": "Liam has 9 apples and gets 5 more. How many apples does Liam have now?",
            "answer": 14,
            "correctAnswer": "14",
            "difficulty": "hard"
        },
        {
            "id": 18,
            "type": "word-problems",
            "subType": "multiplication",
            "question": "Carlos bought 7 boxes. Each box has 10 pencils. How many pencils does Carlos have in total?",
            "answer": 70,
            "correctAnswer": "70",
            "difficulty": "hard"
        },
        {
            "id": 19,
            "type": "word-problems",
            "subType": "addition",
            "question": "Noah had 7 marbles. A friend gave Noah 7 more marbles. How many marbles does Noah have in all?",
            "answer": 14,
            "correctAnswer": "14",
            "difficulty": "hard"
        },
        {
            "id": 20,
            "type": "word-problems",
            "subType": "addition",
            "question": "Ava had 7 stickers. A friend gave Ava 9 more stickers. How many stickers does Ava have in all?",
            "answer": 16,
            "correctAnswer": "16",
            "difficulty": "hard"
        }
    ],
    "layout": {
        "columns": 2,
        "problemsPerPage": 20
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}