Workbook Detail
Missing Operator Add Sub Easy — Set 74
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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": 7,
"operand2": 5,
"result": 35,
"question": "7 __ 5 = 35",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 2,
"type": "missing-operator",
"subType": "+",
"operand1": 36,
"operand2": 29,
"result": 65,
"question": "36 ○ 29 = 65, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 3,
"type": "missing-operator",
"subType": "×",
"operand1": 12,
"operand2": 3,
"result": 36,
"question": "12 __ 3 = 36",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 4,
"type": "missing-operator",
"subType": "-",
"operand1": 61,
"operand2": 43,
"result": 18,
"question": "61 ○ 43 = 18, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 5,
"type": "missing-operator",
"subType": "+",
"operand1": 29,
"operand2": 37,
"result": 66,
"question": "29 __ 37 = 66",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 6,
"type": "missing-operator",
"subType": "×",
"operand1": 4,
"operand2": 5,
"result": 20,
"question": "4 __ 5 = 20",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 7,
"type": "missing-operator",
"subType": "×",
"operand1": 9,
"operand2": 7,
"result": 63,
"question": "9 __ 7 = 63",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 8,
"type": "missing-operator",
"subType": "×",
"operand1": 4,
"operand2": 11,
"result": 44,
"question": "4 ○ 11 = 44, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 9,
"type": "missing-operator",
"subType": "×",
"operand1": 3,
"operand2": 12,
"result": 36,
"question": "3 ○ 12 = 36, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 10,
"type": "missing-operator",
"subType": "×",
"operand1": 6,
"operand2": 12,
"result": 72,
"question": "6 ○ 12 = 72, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 11,
"type": "missing-operator",
"subType": "+",
"operand1": 14,
"operand2": 43,
"result": 57,
"question": "14 ○ 43 = 57, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 12,
"type": "missing-operator",
"subType": "+",
"operand1": 48,
"operand2": 45,
"result": 93,
"question": "48 __ 45 = 93",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 13,
"type": "missing-operator",
"subType": "-",
"operand1": 55,
"operand2": 7,
"result": 48,
"question": "55 ○ 7 = 48, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 14,
"type": "missing-operator",
"subType": "-",
"operand1": 81,
"operand2": 40,
"result": 41,
"question": "81 __ 40 = 41",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 15,
"type": "missing-operator",
"subType": "-",
"operand1": 37,
"operand2": 3,
"result": 34,
"question": "37 __ 3 = 34",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 16,
"type": "missing-operator",
"subType": "-",
"operand1": 80,
"operand2": 45,
"result": 35,
"question": "80 __ 45 = 35",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 17,
"type": "missing-operator",
"subType": "+",
"operand1": 42,
"operand2": 44,
"result": 86,
"question": "42 __ 44 = 86",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 18,
"type": "missing-operator",
"subType": "+",
"operand1": 6,
"operand2": 2,
"result": 8,
"question": "6 ○ 2 = 8, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 19,
"type": "missing-operator",
"subType": "-",
"operand1": 57,
"operand2": 9,
"result": 48,
"question": "57 ○ 9 = 48, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 20,
"type": "missing-operator",
"subType": "+",
"operand1": 8,
"operand2": 24,
"result": 32,
"question": "8 __ 24 = 32",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
}
],
"layout": {
"columns": 2,
"problemsPerPage": 20
}
},
"_archetype": "form-exercise",
"_generatorId": "arithmetic-generator-v7.2.1"
}Teaching Notes
- 7 __ 5 = 35
- 36 ○ 29 = 65, what is ○?
- 12 __ 3 = 36
- 61 ○ 43 = 18, what is ○?
- 29 __ 37 = 66
- 4 __ 5 = 20
- 9 __ 7 = 63
- 4 ○ 11 = 44, what is ○?
- 3 ○ 12 = 36, what is ○?
- 6 ○ 12 = 72, what is ○?
- 14 ○ 43 = 57, what is ○?
- 48 __ 45 = 93
- 55 ○ 7 = 48, what is ○?
- 81 __ 40 = 41
- 37 __ 3 = 34
- 80 __ 45 = 35
- 42 __ 44 = 86
- 6 ○ 2 = 8, what is ○?
- 57 ○ 9 = 48, what is ○?
- 8 __ 24 = 32
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