Workbook Detail
Missing Operator Add Sub Medium — Set 72
This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.
{
"contentData": {
"operation": "missing-operator",
"subject": "arithmetic",
"difficulty": "medium",
"config": {
"operations": [
"+",
"-"
],
"maxNumber": 50,
"operationPair": "add-sub",
"difficulty": "medium"
},
"problems": [
{
"id": 1,
"type": "missing-operator",
"subType": "×",
"operand1": 9,
"operand2": 4,
"result": 36,
"question": "9 __ 4 = 36",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 2,
"type": "missing-operator",
"subType": "×",
"operand1": 7,
"operand2": 3,
"result": 21,
"question": "7 __ 3 = 21",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 3,
"type": "missing-operator",
"subType": "÷",
"operand1": 72,
"operand2": 12,
"result": 6,
"question": "72 __ 12 = 6",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 4,
"type": "missing-operator",
"subType": "÷",
"operand1": 48,
"operand2": 6,
"result": 8,
"question": "48 ○ 6 = 8, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 5,
"type": "missing-operator",
"subType": "×",
"operand1": 5,
"operand2": 5,
"result": 25,
"question": "5 __ 5 = 25",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 6,
"type": "missing-operator",
"subType": "-",
"operand1": 30,
"operand2": 2,
"result": 28,
"question": "30 __ 2 = 28",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 7,
"type": "missing-operator",
"subType": "×",
"operand1": 8,
"operand2": 8,
"result": 64,
"question": "8 __ 8 = 64",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 8,
"type": "missing-operator",
"subType": "×",
"operand1": 3,
"operand2": 9,
"result": 27,
"question": "3 __ 9 = 27",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 9,
"type": "missing-operator",
"subType": "+",
"operand1": 27,
"operand2": 38,
"result": 65,
"question": "27 ○ 38 = 65, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 10,
"type": "missing-operator",
"subType": "×",
"operand1": 11,
"operand2": 6,
"result": 66,
"question": "11 ○ 6 = 66, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 11,
"type": "missing-operator",
"subType": "+",
"operand1": 23,
"operand2": 29,
"result": 52,
"question": "23 __ 29 = 52",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 12,
"type": "missing-operator",
"subType": "×",
"operand1": 8,
"operand2": 4,
"result": 32,
"question": "8 ○ 4 = 32, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 13,
"type": "missing-operator",
"subType": "+",
"operand1": 8,
"operand2": 48,
"result": 56,
"question": "8 ○ 48 = 56, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 14,
"type": "missing-operator",
"subType": "-",
"operand1": 66,
"operand2": 16,
"result": 50,
"question": "66 ○ 16 = 50, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 15,
"type": "missing-operator",
"subType": "×",
"operand1": 8,
"operand2": 12,
"result": 96,
"question": "8 ○ 12 = 96, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 16,
"type": "missing-operator",
"subType": "-",
"operand1": 57,
"operand2": 27,
"result": 30,
"question": "57 __ 27 = 30",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 17,
"type": "missing-operator",
"subType": "÷",
"operand1": 64,
"operand2": 8,
"result": 8,
"question": "64 __ 8 = 8",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 18,
"type": "missing-operator",
"subType": "÷",
"operand1": 66,
"operand2": 6,
"result": 11,
"question": "66 __ 6 = 11",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 19,
"type": "missing-operator",
"subType": "×",
"operand1": 5,
"operand2": 12,
"result": 60,
"question": "5 ○ 12 = 60, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 20,
"type": "missing-operator",
"subType": "-",
"operand1": 93,
"operand2": 43,
"result": 50,
"question": "93 __ 43 = 50",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
}
],
"layout": {
"columns": 2,
"problemsPerPage": 20
}
},
"outputTargets": {
"screen": true,
"print": true,
"pdf": true,
"answerKey": true
},
"_archetype": "form-exercise",
"_generatorId": "arithmetic-generator-v7.2.1"
}Teaching Notes
- 9 __ 4 = 36
- 7 __ 3 = 21
- 72 __ 12 = 6
- 48 ○ 6 = 8, what is ○?
- 5 __ 5 = 25
- 30 __ 2 = 28
- 8 __ 8 = 64
- 3 __ 9 = 27
- 27 ○ 38 = 65, what is ○?
- 11 ○ 6 = 66, what is ○?
- 23 __ 29 = 52
- 8 ○ 4 = 32, what is ○?
- 8 ○ 48 = 56, what is ○?
- 66 ○ 16 = 50, what is ○?
- 8 ○ 12 = 96, what is ○?
- 57 __ 27 = 30
- 64 __ 8 = 8
- 66 __ 6 = 11
- 5 ○ 12 = 60, what is ○?
- 93 __ 43 = 50
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