Workbook Detail
Missing Operator Add Sub Medium — Set 95
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": 58,
"operand2": 35,
"result": 23,
"question": "58 __ 35 = 23",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 2,
"type": "missing-operator",
"subType": "×",
"operand1": 10,
"operand2": 11,
"result": 110,
"question": "10 __ 11 = 110",
"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": 78,
"operand2": 31,
"result": 47,
"question": "78 ○ 31 = 47, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 5,
"type": "missing-operator",
"subType": "-",
"operand1": 28,
"operand2": 21,
"result": 7,
"question": "28 ○ 21 = 7, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 6,
"type": "missing-operator",
"subType": "×",
"operand1": 11,
"operand2": 7,
"result": 77,
"question": "11 ○ 7 = 77, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 7,
"type": "missing-operator",
"subType": "+",
"operand1": 26,
"operand2": 13,
"result": 39,
"question": "26 __ 13 = 39",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 8,
"type": "missing-operator",
"subType": "+",
"operand1": 11,
"operand2": 20,
"result": 31,
"question": "11 __ 20 = 31",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 9,
"type": "missing-operator",
"subType": "÷",
"operand1": 48,
"operand2": 4,
"result": 12,
"question": "48 ○ 4 = 12, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 10,
"type": "missing-operator",
"subType": "÷",
"operand1": 27,
"operand2": 3,
"result": 9,
"question": "27 __ 3 = 9",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 11,
"type": "missing-operator",
"subType": "÷",
"operand1": 44,
"operand2": 11,
"result": 4,
"question": "44 ○ 11 = 4, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 12,
"type": "missing-operator",
"subType": "+",
"operand1": 7,
"operand2": 17,
"result": 24,
"question": "7 __ 17 = 24",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 13,
"type": "missing-operator",
"subType": "×",
"operand1": 4,
"operand2": 4,
"result": 16,
"question": "4 ○ 4 = 16, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 14,
"type": "missing-operator",
"subType": "÷",
"operand1": 24,
"operand2": 12,
"result": 2,
"question": "24 ○ 12 = 2, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 15,
"type": "missing-operator",
"subType": "-",
"operand1": 46,
"operand2": 24,
"result": 22,
"question": "46 __ 24 = 22",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 16,
"type": "missing-operator",
"subType": "-",
"operand1": 56,
"operand2": 22,
"result": 34,
"question": "56 ○ 22 = 34, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 17,
"type": "missing-operator",
"subType": "-",
"operand1": 56,
"operand2": 25,
"result": 31,
"question": "56 ○ 25 = 31, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 18,
"type": "missing-operator",
"subType": "÷",
"operand1": 36,
"operand2": 4,
"result": 9,
"question": "36 __ 4 = 9",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 19,
"type": "missing-operator",
"subType": "÷",
"operand1": 63,
"operand2": 9,
"result": 7,
"question": "63 ○ 9 = 7, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 20,
"type": "missing-operator",
"subType": "×",
"operand1": 7,
"operand2": 12,
"result": 84,
"question": "7 __ 12 = 84",
"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
- 58 __ 35 = 23
- 10 __ 11 = 110
- 27 ○ 9 = 3, what is ○?
- 78 ○ 31 = 47, what is ○?
- 28 ○ 21 = 7, what is ○?
- 11 ○ 7 = 77, what is ○?
- 26 __ 13 = 39
- 11 __ 20 = 31
- 48 ○ 4 = 12, what is ○?
- 27 __ 3 = 9
- 44 ○ 11 = 4, what is ○?
- 7 __ 17 = 24
- 4 ○ 4 = 16, what is ○?
- 24 ○ 12 = 2, what is ○?
- 46 __ 24 = 22
- 56 ○ 22 = 34, what is ○?
- 56 ○ 25 = 31, what is ○?
- 36 __ 4 = 9
- 63 ○ 9 = 7, what is ○?
- 7 __ 12 = 84
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