Workbook Detail
Missing Operator Add Sub Easy — Set 96
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{
"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": 25,
"operand2": 31,
"result": 56,
"question": "25 ○ 31 = 56, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 2,
"type": "missing-operator",
"subType": "×",
"operand1": 11,
"operand2": 5,
"result": 55,
"question": "11 __ 5 = 55",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 3,
"type": "missing-operator",
"subType": "+",
"operand1": 14,
"operand2": 13,
"result": 27,
"question": "14 __ 13 = 27",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 4,
"type": "missing-operator",
"subType": "×",
"operand1": 5,
"operand2": 2,
"result": 10,
"question": "5 ○ 2 = 10, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 5,
"type": "missing-operator",
"subType": "+",
"operand1": 33,
"operand2": 7,
"result": 40,
"question": "33 ○ 7 = 40, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 6,
"type": "missing-operator",
"subType": "-",
"operand1": 33,
"operand2": 5,
"result": 28,
"question": "33 __ 5 = 28",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 7,
"type": "missing-operator",
"subType": "×",
"operand1": 5,
"operand2": 11,
"result": 55,
"question": "5 __ 11 = 55",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 8,
"type": "missing-operator",
"subType": "+",
"operand1": 17,
"operand2": 30,
"result": 47,
"question": "17 __ 30 = 47",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 9,
"type": "missing-operator",
"subType": "-",
"operand1": 52,
"operand2": 13,
"result": 39,
"question": "52 ○ 13 = 39, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 10,
"type": "missing-operator",
"subType": "+",
"operand1": 49,
"operand2": 5,
"result": 54,
"question": "49 __ 5 = 54",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 11,
"type": "missing-operator",
"subType": "-",
"operand1": 27,
"operand2": 22,
"result": 5,
"question": "27 ○ 22 = 5, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 12,
"type": "missing-operator",
"subType": "-",
"operand1": 90,
"operand2": 44,
"result": 46,
"question": "90 ○ 44 = 46, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 13,
"type": "missing-operator",
"subType": "×",
"operand1": 7,
"operand2": 11,
"result": 77,
"question": "7 ○ 11 = 77, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 14,
"type": "missing-operator",
"subType": "+",
"operand1": 27,
"operand2": 10,
"result": 37,
"question": "27 __ 10 = 37",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 15,
"type": "missing-operator",
"subType": "+",
"operand1": 30,
"operand2": 3,
"result": 33,
"question": "30 ○ 3 = 33, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 16,
"type": "missing-operator",
"subType": "-",
"operand1": 52,
"operand2": 12,
"result": 40,
"question": "52 ○ 12 = 40, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 17,
"type": "missing-operator",
"subType": "×",
"operand1": 11,
"operand2": 9,
"result": 99,
"question": "11 ○ 9 = 99, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 18,
"type": "missing-operator",
"subType": "+",
"operand1": 3,
"operand2": 13,
"result": 16,
"question": "3 __ 13 = 16",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 19,
"type": "missing-operator",
"subType": "-",
"operand1": 48,
"operand2": 35,
"result": 13,
"question": "48 __ 35 = 13",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 20,
"type": "missing-operator",
"subType": "-",
"operand1": 77,
"operand2": 37,
"result": 40,
"question": "77 ○ 37 = 40, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
}
],
"layout": {
"columns": 2,
"problemsPerPage": 20
}
},
"_archetype": "form-exercise",
"_generatorId": "arithmetic-generator-v7.2.1"
}Teaching Notes
- 25 ○ 31 = 56, what is ○?
- 11 __ 5 = 55
- 14 __ 13 = 27
- 5 ○ 2 = 10, what is ○?
- 33 ○ 7 = 40, what is ○?
- 33 __ 5 = 28
- 5 __ 11 = 55
- 17 __ 30 = 47
- 52 ○ 13 = 39, what is ○?
- 49 __ 5 = 54
- 27 ○ 22 = 5, what is ○?
- 90 ○ 44 = 46, what is ○?
- 7 ○ 11 = 77, what is ○?
- 27 __ 10 = 37
- 30 ○ 3 = 33, what is ○?
- 52 ○ 12 = 40, what is ○?
- 11 ○ 9 = 99, what is ○?
- 3 __ 13 = 16
- 48 __ 35 = 13
- 77 ○ 37 = 40, what is ○?
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