Workbook Detail
Missing Operator All Ops Medium — Set 73
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"subject": "arithmetic",
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"id": 1,
"type": "missing-operator",
"subType": "-",
"operand1": 7,
"operand2": 2,
"result": 5,
"question": "7 ○ 2 = 5, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
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{
"id": 2,
"type": "missing-operator",
"subType": "÷",
"operand1": 25,
"operand2": 5,
"result": 5,
"question": "25 ○ 5 = 5, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 3,
"type": "missing-operator",
"subType": "÷",
"operand1": 27,
"operand2": 9,
"result": 3,
"question": "27 ○ 9 = 3, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 4,
"type": "missing-operator",
"subType": "-",
"operand1": 6,
"operand2": 5,
"result": 1,
"question": "6 __ 5 = 1",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 5,
"type": "missing-operator",
"subType": "+",
"operand1": 10,
"operand2": 10,
"result": 20,
"question": "10 ○ 10 = 20, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 6,
"type": "missing-operator",
"subType": "÷",
"operand1": 20,
"operand2": 4,
"result": 5,
"question": "20 __ 4 = 5",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 7,
"type": "missing-operator",
"subType": "×",
"operand1": 10,
"operand2": 10,
"result": 100,
"question": "10 __ 10 = 100",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 8,
"type": "missing-operator",
"subType": "×",
"operand1": 9,
"operand2": 4,
"result": 36,
"question": "9 __ 4 = 36",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 9,
"type": "missing-operator",
"subType": "÷",
"operand1": 81,
"operand2": 9,
"result": 9,
"question": "81 ○ 9 = 9, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 10,
"type": "missing-operator",
"subType": "÷",
"operand1": 24,
"operand2": 3,
"result": 8,
"question": "24 __ 3 = 8",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 11,
"type": "missing-operator",
"subType": "÷",
"operand1": 100,
"operand2": 10,
"result": 10,
"question": "100 __ 10 = 10",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 12,
"type": "missing-operator",
"subType": "-",
"operand1": 8,
"operand2": 5,
"result": 3,
"question": "8 ○ 5 = 3, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 13,
"type": "missing-operator",
"subType": "×",
"operand1": 10,
"operand2": 4,
"result": 40,
"question": "10 __ 4 = 40",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 14,
"type": "missing-operator",
"subType": "÷",
"operand1": 40,
"operand2": 5,
"result": 8,
"question": "40 ○ 5 = 8, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 15,
"type": "missing-operator",
"subType": "×",
"operand1": 8,
"operand2": 8,
"result": 64,
"question": "8 ○ 8 = 64, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 16,
"type": "missing-operator",
"subType": "÷",
"operand1": 42,
"operand2": 7,
"result": 6,
"question": "42 __ 7 = 6",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 17,
"type": "missing-operator",
"subType": "×",
"operand1": 2,
"operand2": 8,
"result": 16,
"question": "2 __ 8 = 16",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 18,
"type": "missing-operator",
"subType": "+",
"operand1": 8,
"operand2": 3,
"result": 11,
"question": "8 __ 3 = 11",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 19,
"type": "missing-operator",
"subType": "+",
"operand1": 9,
"operand2": 5,
"result": 14,
"question": "9 ○ 5 = 14, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 20,
"type": "missing-operator",
"subType": "+",
"operand1": 1,
"operand2": 8,
"result": 9,
"question": "1 ○ 8 = 9, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
}
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"_archetype": "form-exercise",
"_generatorId": "arithmetic-generator-v7.2.1"
}Teaching Notes
- 7 ○ 2 = 5, what is ○?
- 25 ○ 5 = 5, what is ○?
- 27 ○ 9 = 3, what is ○?
- 6 __ 5 = 1
- 10 ○ 10 = 20, what is ○?
- 20 __ 4 = 5
- 10 __ 10 = 100
- 9 __ 4 = 36
- 81 ○ 9 = 9, what is ○?
- 24 __ 3 = 8
- 100 __ 10 = 10
- 8 ○ 5 = 3, what is ○?
- 10 __ 4 = 40
- 40 ○ 5 = 8, what is ○?
- 8 ○ 8 = 64, what is ○?
- 42 __ 7 = 6
- 2 __ 8 = 16
- 8 __ 3 = 11
- 9 ○ 5 = 14, what is ○?
- 1 ○ 8 = 9, what is ○?
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