Workbook Detail
Missing Operator Add Sub Easy — Set 14
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": "easy",
"config": {
"operations": [
"+",
"-"
],
"maxNumber": 50,
"operationPair": "add-sub",
"difficulty": "easy"
},
"problems": [
{
"id": 1,
"type": "missing-operator",
"subType": "×",
"operand1": 10,
"operand2": 5,
"result": 50,
"question": "10 ○ 5 = 50, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 2,
"type": "missing-operator",
"subType": "×",
"operand1": 7,
"operand2": 8,
"result": 56,
"question": "7 __ 8 = 56",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 3,
"type": "missing-operator",
"subType": "-",
"operand1": 38,
"operand2": 24,
"result": 14,
"question": "38 __ 24 = 14",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 4,
"type": "missing-operator",
"subType": "×",
"operand1": 2,
"operand2": 2,
"result": 4,
"question": "2 ○ 2 = 4, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 5,
"type": "missing-operator",
"subType": "+",
"operand1": 38,
"operand2": 23,
"result": 61,
"question": "38 __ 23 = 61",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 6,
"type": "missing-operator",
"subType": "×",
"operand1": 7,
"operand2": 4,
"result": 28,
"question": "7 ○ 4 = 28, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 7,
"type": "missing-operator",
"subType": "×",
"operand1": 12,
"operand2": 10,
"result": 120,
"question": "12 ○ 10 = 120, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 8,
"type": "missing-operator",
"subType": "×",
"operand1": 10,
"operand2": 3,
"result": 30,
"question": "10 __ 3 = 30",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 9,
"type": "missing-operator",
"subType": "-",
"operand1": 37,
"operand2": 30,
"result": 7,
"question": "37 __ 30 = 7",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 10,
"type": "missing-operator",
"subType": "-",
"operand1": 97,
"operand2": 48,
"result": 49,
"question": "97 __ 48 = 49",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 11,
"type": "missing-operator",
"subType": "+",
"operand1": 32,
"operand2": 30,
"result": 62,
"question": "32 __ 30 = 62",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 12,
"type": "missing-operator",
"subType": "+",
"operand1": 24,
"operand2": 29,
"result": 53,
"question": "24 __ 29 = 53",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 13,
"type": "missing-operator",
"subType": "+",
"operand1": 38,
"operand2": 21,
"result": 59,
"question": "38 ○ 21 = 59, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 14,
"type": "missing-operator",
"subType": "×",
"operand1": 5,
"operand2": 10,
"result": 50,
"question": "5 __ 10 = 50",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 15,
"type": "missing-operator",
"subType": "-",
"operand1": 52,
"operand2": 18,
"result": 34,
"question": "52 ○ 18 = 34, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 16,
"type": "missing-operator",
"subType": "×",
"operand1": 12,
"operand2": 9,
"result": 108,
"question": "12 __ 9 = 108",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 17,
"type": "missing-operator",
"subType": "-",
"operand1": 47,
"operand2": 36,
"result": 11,
"question": "47 __ 36 = 11",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 18,
"type": "missing-operator",
"subType": "+",
"operand1": 24,
"operand2": 37,
"result": 61,
"question": "24 __ 37 = 61",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 19,
"type": "missing-operator",
"subType": "-",
"operand1": 45,
"operand2": 27,
"result": 18,
"question": "45 ○ 27 = 18, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 20,
"type": "missing-operator",
"subType": "×",
"operand1": 8,
"operand2": 8,
"result": 64,
"question": "8 __ 8 = 64",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
}
],
"layout": {
"columns": 2,
"problemsPerPage": 20
}
},
"_archetype": "form-exercise",
"_generatorId": "arithmetic-generator-v7.2.1"
}Teaching Notes
- 10 ○ 5 = 50, what is ○?
- 7 __ 8 = 56
- 38 __ 24 = 14
- 2 ○ 2 = 4, what is ○?
- 38 __ 23 = 61
- 7 ○ 4 = 28, what is ○?
- 12 ○ 10 = 120, what is ○?
- 10 __ 3 = 30
- 37 __ 30 = 7
- 97 __ 48 = 49
- 32 __ 30 = 62
- 24 __ 29 = 53
- 38 ○ 21 = 59, what is ○?
- 5 __ 10 = 50
- 52 ○ 18 = 34, what is ○?
- 12 __ 9 = 108
- 47 __ 36 = 11
- 24 __ 37 = 61
- 45 ○ 27 = 18, what is ○?
- 8 __ 8 = 64
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