Workbook Detail
Missing Operator All Ops Medium — Set 13
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"operation": "missing-operator",
"subject": "arithmetic",
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"id": 1,
"type": "missing-operator",
"subType": "+",
"operand1": 6,
"operand2": 4,
"result": 10,
"question": "6 ○ 4 = 10, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 2,
"type": "missing-operator",
"subType": "÷",
"operand1": 45,
"operand2": 5,
"result": 9,
"question": "45 ○ 5 = 9, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 3,
"type": "missing-operator",
"subType": "+",
"operand1": 5,
"operand2": 8,
"result": 13,
"question": "5 ○ 8 = 13, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 4,
"type": "missing-operator",
"subType": "-",
"operand1": 8,
"operand2": 5,
"result": 3,
"question": "8 ○ 5 = 3, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 5,
"type": "missing-operator",
"subType": "+",
"operand1": 4,
"operand2": 6,
"result": 10,
"question": "4 ○ 6 = 10, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 6,
"type": "missing-operator",
"subType": "-",
"operand1": 5,
"operand2": 2,
"result": 3,
"question": "5 __ 2 = 3",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 7,
"type": "missing-operator",
"subType": "-",
"operand1": 15,
"operand2": 8,
"result": 7,
"question": "15 ○ 8 = 7, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 8,
"type": "missing-operator",
"subType": "+",
"operand1": 9,
"operand2": 10,
"result": 19,
"question": "9 ○ 10 = 19, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 9,
"type": "missing-operator",
"subType": "÷",
"operand1": 35,
"operand2": 7,
"result": 5,
"question": "35 ○ 7 = 5, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 10,
"type": "missing-operator",
"subType": "+",
"operand1": 3,
"operand2": 1,
"result": 4,
"question": "3 ○ 1 = 4, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 11,
"type": "missing-operator",
"subType": "+",
"operand1": 10,
"operand2": 4,
"result": 14,
"question": "10 __ 4 = 14",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 12,
"type": "missing-operator",
"subType": "÷",
"operand1": 40,
"operand2": 4,
"result": 10,
"question": "40 __ 4 = 10",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 13,
"type": "missing-operator",
"subType": "-",
"operand1": 13,
"operand2": 7,
"result": 6,
"question": "13 __ 7 = 6",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 14,
"type": "missing-operator",
"subType": "-",
"operand1": 6,
"operand2": 4,
"result": 2,
"question": "6 __ 4 = 2",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 15,
"type": "missing-operator",
"subType": "×",
"operand1": 10,
"operand2": 6,
"result": 60,
"question": "10 ○ 6 = 60, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 16,
"type": "missing-operator",
"subType": "-",
"operand1": 15,
"operand2": 8,
"result": 7,
"question": "15 __ 8 = 7",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 17,
"type": "missing-operator",
"subType": "+",
"operand1": 10,
"operand2": 6,
"result": 16,
"question": "10 __ 6 = 16",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 18,
"type": "missing-operator",
"subType": "×",
"operand1": 2,
"operand2": 7,
"result": 14,
"question": "2 __ 7 = 14",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 19,
"type": "missing-operator",
"subType": "-",
"operand1": 15,
"operand2": 7,
"result": 8,
"question": "15 ○ 7 = 8, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 20,
"type": "missing-operator",
"subType": "-",
"operand1": 12,
"operand2": 3,
"result": 9,
"question": "12 ○ 3 = 9, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
}
],
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"problemsPerPage": 20
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"_archetype": "form-exercise",
"_generatorId": "arithmetic-generator-v7.2.1"
}Teaching Notes
- 6 ○ 4 = 10, what is ○?
- 45 ○ 5 = 9, what is ○?
- 5 ○ 8 = 13, what is ○?
- 8 ○ 5 = 3, what is ○?
- 4 ○ 6 = 10, what is ○?
- 5 __ 2 = 3
- 15 ○ 8 = 7, what is ○?
- 9 ○ 10 = 19, what is ○?
- 35 ○ 7 = 5, what is ○?
- 3 ○ 1 = 4, what is ○?
- 10 __ 4 = 14
- 40 __ 4 = 10
- 13 __ 7 = 6
- 6 __ 4 = 2
- 10 ○ 6 = 60, what is ○?
- 15 __ 8 = 7
- 10 __ 6 = 16
- 2 __ 7 = 14
- 15 ○ 7 = 8, what is ○?
- 12 ○ 3 = 9, what is ○?
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