{
  "paper": "A4",
  "question_pages": [
    1,
    3,
    5
  ],
  "answer_pages": [
    2,
    4,
    6
  ],
  "activities": [
    {
      "id": "times-tables-2-5-10",
      "title": "Times tables: 2, 5 and 10",
      "instruction": "Multiply each pair. Show a method beside a question if it helps.",
      "problems": [
        {
          "a": 2,
          "op": "multiply",
          "b": 1,
          "answer": 2
        },
        {
          "a": 5,
          "op": "multiply",
          "b": 3,
          "answer": 15
        },
        {
          "a": 10,
          "op": "multiply",
          "b": 5,
          "answer": 50
        },
        {
          "a": 2,
          "op": "multiply",
          "b": 6,
          "answer": 12
        },
        {
          "a": 5,
          "op": "multiply",
          "b": 8,
          "answer": 40
        },
        {
          "a": 10,
          "op": "multiply",
          "b": 10,
          "answer": 100
        },
        {
          "a": 2,
          "op": "multiply",
          "b": 11,
          "answer": 22
        },
        {
          "a": 5,
          "op": "multiply",
          "b": 1,
          "answer": 5
        },
        {
          "a": 10,
          "op": "multiply",
          "b": 3,
          "answer": 30
        },
        {
          "a": 2,
          "op": "multiply",
          "b": 4,
          "answer": 8
        },
        {
          "a": 5,
          "op": "multiply",
          "b": 6,
          "answer": 30
        },
        {
          "a": 10,
          "op": "multiply",
          "b": 8,
          "answer": 80
        },
        {
          "a": 2,
          "op": "multiply",
          "b": 9,
          "answer": 18
        },
        {
          "a": 5,
          "op": "multiply",
          "b": 11,
          "answer": 55
        },
        {
          "a": 10,
          "op": "multiply",
          "b": 1,
          "answer": 10
        },
        {
          "a": 2,
          "op": "multiply",
          "b": 2,
          "answer": 4
        },
        {
          "a": 5,
          "op": "multiply",
          "b": 4,
          "answer": 20
        },
        {
          "a": 10,
          "op": "multiply",
          "b": 6,
          "answer": 60
        },
        {
          "a": 2,
          "op": "multiply",
          "b": 7,
          "answer": 14
        },
        {
          "a": 5,
          "op": "multiply",
          "b": 9,
          "answer": 45
        }
      ]
    },
    {
      "id": "mixed-multiplication",
      "title": "Mixed multiplication practice",
      "instruction": "Work through these multiplication facts in any order.",
      "problems": [
        {
          "a": 2,
          "op": "multiply",
          "b": 5,
          "answer": 10
        },
        {
          "a": 7,
          "op": "multiply",
          "b": 12,
          "answer": 84
        },
        {
          "a": 12,
          "op": "multiply",
          "b": 8,
          "answer": 96
        },
        {
          "a": 6,
          "op": "multiply",
          "b": 4,
          "answer": 24
        },
        {
          "a": 11,
          "op": "multiply",
          "b": 11,
          "answer": 121
        },
        {
          "a": 5,
          "op": "multiply",
          "b": 7,
          "answer": 35
        },
        {
          "a": 10,
          "op": "multiply",
          "b": 3,
          "answer": 30
        },
        {
          "a": 4,
          "op": "multiply",
          "b": 10,
          "answer": 40
        },
        {
          "a": 9,
          "op": "multiply",
          "b": 6,
          "answer": 54
        },
        {
          "a": 3,
          "op": "multiply",
          "b": 2,
          "answer": 6
        },
        {
          "a": 8,
          "op": "multiply",
          "b": 9,
          "answer": 72
        },
        {
          "a": 2,
          "op": "multiply",
          "b": 8,
          "answer": 16
        },
        {
          "a": 7,
          "op": "multiply",
          "b": 4,
          "answer": 28
        },
        {
          "a": 12,
          "op": "multiply",
          "b": 11,
          "answer": 132
        },
        {
          "a": 6,
          "op": "multiply",
          "b": 7,
          "answer": 42
        },
        {
          "a": 11,
          "op": "multiply",
          "b": 3,
          "answer": 33
        },
        {
          "a": 5,
          "op": "multiply",
          "b": 10,
          "answer": 50
        },
        {
          "a": 10,
          "op": "multiply",
          "b": 6,
          "answer": 60
        },
        {
          "a": 4,
          "op": "multiply",
          "b": 2,
          "answer": 8
        },
        {
          "a": 9,
          "op": "multiply",
          "b": 9,
          "answer": 81
        }
      ]
    },
    {
      "id": "addition-subtraction",
      "title": "Addition and subtraction",
      "instruction": "Add or subtract. Every answer is a whole number from 0 to 100.",
      "problems": [
        {
          "a": 45,
          "op": "add",
          "b": 1,
          "answer": 46
        },
        {
          "a": 46,
          "op": "subtract",
          "b": 4,
          "answer": 42
        },
        {
          "a": 47,
          "op": "add",
          "b": 7,
          "answer": 54
        },
        {
          "a": 48,
          "op": "subtract",
          "b": 10,
          "answer": 38
        },
        {
          "a": 49,
          "op": "add",
          "b": 13,
          "answer": 62
        },
        {
          "a": 50,
          "op": "subtract",
          "b": 16,
          "answer": 34
        },
        {
          "a": 51,
          "op": "add",
          "b": 19,
          "answer": 70
        },
        {
          "a": 52,
          "op": "subtract",
          "b": 22,
          "answer": 30
        },
        {
          "a": 53,
          "op": "add",
          "b": 25,
          "answer": 78
        },
        {
          "a": 54,
          "op": "subtract",
          "b": 28,
          "answer": 26
        },
        {
          "a": 55,
          "op": "add",
          "b": 1,
          "answer": 56
        },
        {
          "a": 56,
          "op": "subtract",
          "b": 4,
          "answer": 52
        },
        {
          "a": 57,
          "op": "add",
          "b": 7,
          "answer": 64
        },
        {
          "a": 58,
          "op": "subtract",
          "b": 10,
          "answer": 48
        },
        {
          "a": 59,
          "op": "add",
          "b": 13,
          "answer": 72
        },
        {
          "a": 60,
          "op": "subtract",
          "b": 16,
          "answer": 44
        },
        {
          "a": 61,
          "op": "add",
          "b": 19,
          "answer": 80
        },
        {
          "a": 62,
          "op": "subtract",
          "b": 22,
          "answer": 40
        },
        {
          "a": 63,
          "op": "add",
          "b": 25,
          "answer": 88
        },
        {
          "a": 64,
          "op": "subtract",
          "b": 28,
          "answer": 36
        }
      ]
    }
  ]
}