Number Chain Mixed Medium — Set 76

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

{
    "contentData": {
        "operation": "number-chain",
        "subject": "arithmetic",
        "difficulty": "medium",
        "config": {
            "difficulty": "medium",
            "maxNumber": 10
        },
        "problems": [
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 1,
                "steps": [
                    {
                        "op": "+",
                        "operand": 4
                    },
                    {
                        "op": "+",
                        "operand": 8
                    },
                    {
                        "op": "-",
                        "operand": 12
                    },
                    {
                        "op": "-",
                        "operand": 1
                    }
                ],
                "answer": 0,
                "question": "Number Chain: 1 → +4 → +8 → -12 → -1 → ?",
                "difficulty": "medium"
            },
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 6,
                "steps": [
                    {
                        "op": "x",
                        "operand": 2
                    },
                    {
                        "op": "x",
                        "operand": 3
                    },
                    {
                        "op": "-",
                        "operand": 7
                    },
                    {
                        "op": "-",
                        "operand": 24
                    }
                ],
                "answer": 5,
                "question": "Number Chain: 6 → x2 → x3 → -7 → -24 → ?",
                "difficulty": "medium"
            },
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 10,
                "steps": [
                    {
                        "op": "+",
                        "operand": 1
                    },
                    {
                        "op": "x",
                        "operand": 4
                    },
                    {
                        "op": "+",
                        "operand": 5
                    },
                    {
                        "op": "-",
                        "operand": 2
                    }
                ],
                "answer": 47,
                "question": "Number Chain: 10 → +1 → x4 → +5 → -2 → ?",
                "difficulty": "medium"
            },
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 3,
                "steps": [
                    {
                        "op": "-",
                        "operand": 2
                    },
                    {
                        "op": "+",
                        "operand": 5
                    },
                    {
                        "op": "-",
                        "operand": 1
                    },
                    {
                        "op": "x",
                        "operand": 5
                    }
                ],
                "answer": 25,
                "question": "Number Chain: 3 → -2 → +5 → -1 → x5 → ?",
                "difficulty": "medium"
            },
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 2,
                "steps": [
                    {
                        "op": "-",
                        "operand": 1
                    },
                    {
                        "op": "x",
                        "operand": 5
                    },
                    {
                        "op": "-",
                        "operand": 4
                    },
                    {
                        "op": "x",
                        "operand": 2
                    }
                ],
                "answer": 2,
                "question": "Number Chain: 2 → -1 → x5 → -4 → x2 → ?",
                "difficulty": "medium"
            },
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 6,
                "steps": [
                    {
                        "op": "-",
                        "operand": 5
                    },
                    {
                        "op": "+",
                        "operand": 7
                    },
                    {
                        "op": "+",
                        "operand": 8
                    },
                    {
                        "op": "+",
                        "operand": 3
                    }
                ],
                "answer": 19,
                "question": "Number Chain: 6 → -5 → +7 → +8 → +3 → ?",
                "difficulty": "medium"
            },
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 9,
                "steps": [
                    {
                        "op": "x",
                        "operand": 4
                    },
                    {
                        "op": "+",
                        "operand": 2
                    },
                    {
                        "op": "x",
                        "operand": 4
                    },
                    {
                        "op": "x",
                        "operand": 3
                    }
                ],
                "answer": 456,
                "question": "Number Chain: 9 → x4 → +2 → x4 → x3 → ?",
                "difficulty": "medium"
            },
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 5,
                "steps": [
                    {
                        "op": "+",
                        "operand": 6
                    },
                    {
                        "op": "x",
                        "operand": 5
                    },
                    {
                        "op": "+",
                        "operand": 2
                    },
                    {
                        "op": "+",
                        "operand": 8
                    }
                ],
                "answer": 65,
                "question": "Number Chain: 5 → +6 → x5 → +2 → +8 → ?",
                "difficulty": "medium"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
}