Workbook Detail
Number Sense Patterns Missing Operator — Set 99
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"type": "missing-operator",
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"operand1": 12,
"operand2": 4,
"result": 3,
"question": "12 __ 4 = 3",
"answer": "÷",
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"type": "missing-operator",
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"operand1": 3,
"operand2": 6,
"result": 9,
"question": "3 __ 6 = 9",
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{
"id": 6,
"type": "missing-operator",
"subType": "÷",
"operand1": 24,
"operand2": 3,
"result": 8,
"question": "24 __ 3 = 8",
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"id": 7,
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"result": 3,
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"id": 8,
"type": "missing-operator",
"subType": "×",
"operand1": 7,
"operand2": 3,
"result": 21,
"question": "7 ○ 3 = 21, what is ○?",
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"type": "missing-operator",
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"operand1": 11,
"operand2": 3,
"result": 8,
"question": "11 __ 3 = 8",
"answer": "-",
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{
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"type": "missing-operator",
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"operand1": 10,
"operand2": 7,
"result": 70,
"question": "10 __ 7 = 70",
"answer": "×",
"correctAnswer": "×",
"difficulty": "normal"
},
{
"id": 11,
"type": "missing-operator",
"subType": "÷",
"operand1": 18,
"operand2": 3,
"result": 6,
"question": "18 ○ 3 = 6, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
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},
{
"id": 12,
"type": "missing-operator",
"subType": "÷",
"operand1": 40,
"operand2": 4,
"result": 10,
"question": "40 ○ 4 = 10, what is ○?",
"answer": "÷",
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},
{
"id": 13,
"type": "missing-operator",
"subType": "+",
"operand1": 10,
"operand2": 5,
"result": 15,
"question": "10 __ 5 = 15",
"answer": "+",
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{
"id": 14,
"type": "missing-operator",
"subType": "÷",
"operand1": 12,
"operand2": 2,
"result": 6,
"question": "12 ○ 2 = 6, what is ○?",
"answer": "÷",
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"id": 15,
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"subType": "+",
"operand1": 9,
"operand2": 5,
"result": 14,
"question": "9 __ 5 = 14",
"answer": "+",
"correctAnswer": "+",
"difficulty": "normal"
},
{
"id": 16,
"type": "missing-operator",
"subType": "÷",
"operand1": 28,
"operand2": 4,
"result": 7,
"question": "28 ○ 4 = 7, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "normal"
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"id": 17,
"type": "missing-operator",
"subType": "-",
"operand1": 15,
"operand2": 5,
"result": 10,
"question": "15 ○ 5 = 10, what is ○?",
"answer": "-",
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"id": 18,
"type": "missing-operator",
"subType": "-",
"operand1": 14,
"operand2": 9,
"result": 5,
"question": "14 ○ 9 = 5, what is ○?",
"answer": "-",
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"id": 19,
"type": "missing-operator",
"subType": "+",
"operand1": 10,
"operand2": 6,
"result": 16,
"question": "10 ○ 6 = 16, what is ○?",
"answer": "+",
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"id": 20,
"type": "missing-operator",
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"operand1": 3,
"operand2": 6,
"result": 18,
"question": "3 __ 6 = 18",
"answer": "×",
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