Workbook Detail
Missing Operator Add Sub Easy — Set 76
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": 36,
"operand2": 12,
"result": 48,
"question": "36 __ 12 = 48",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 2,
"type": "missing-operator",
"subType": "-",
"operand1": 66,
"operand2": 20,
"result": 46,
"question": "66 ○ 20 = 46, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 3,
"type": "missing-operator",
"subType": "-",
"operand1": 19,
"operand2": 8,
"result": 11,
"question": "19 ○ 8 = 11, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 4,
"type": "missing-operator",
"subType": "×",
"operand1": 10,
"operand2": 7,
"result": 70,
"question": "10 __ 7 = 70",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 5,
"type": "missing-operator",
"subType": "+",
"operand1": 44,
"operand2": 19,
"result": 63,
"question": "44 __ 19 = 63",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 6,
"type": "missing-operator",
"subType": "+",
"operand1": 30,
"operand2": 13,
"result": 43,
"question": "30 ○ 13 = 43, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 7,
"type": "missing-operator",
"subType": "+",
"operand1": 12,
"operand2": 9,
"result": 21,
"question": "12 ○ 9 = 21, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 8,
"type": "missing-operator",
"subType": "-",
"operand1": 46,
"operand2": 7,
"result": 39,
"question": "46 __ 7 = 39",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 9,
"type": "missing-operator",
"subType": "+",
"operand1": 49,
"operand2": 34,
"result": 83,
"question": "49 ○ 34 = 83, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 10,
"type": "missing-operator",
"subType": "+",
"operand1": 49,
"operand2": 9,
"result": 58,
"question": "49 __ 9 = 58",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 11,
"type": "missing-operator",
"subType": "-",
"operand1": 92,
"operand2": 46,
"result": 46,
"question": "92 __ 46 = 46",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 12,
"type": "missing-operator",
"subType": "-",
"operand1": 87,
"operand2": 39,
"result": 48,
"question": "87 ○ 39 = 48, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 13,
"type": "missing-operator",
"subType": "+",
"operand1": 22,
"operand2": 23,
"result": 45,
"question": "22 ○ 23 = 45, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 14,
"type": "missing-operator",
"subType": "-",
"operand1": 12,
"operand2": 8,
"result": 4,
"question": "12 ○ 8 = 4, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 15,
"type": "missing-operator",
"subType": "×",
"operand1": 7,
"operand2": 3,
"result": 21,
"question": "7 __ 3 = 21",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 16,
"type": "missing-operator",
"subType": "+",
"operand1": 39,
"operand2": 27,
"result": 66,
"question": "39 ○ 27 = 66, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 17,
"type": "missing-operator",
"subType": "+",
"operand1": 38,
"operand2": 19,
"result": 57,
"question": "38 ○ 19 = 57, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "easy"
},
{
"id": 18,
"type": "missing-operator",
"subType": "-",
"operand1": 49,
"operand2": 28,
"result": 21,
"question": "49 ○ 28 = 21, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
},
{
"id": 19,
"type": "missing-operator",
"subType": "×",
"operand1": 9,
"operand2": 6,
"result": 54,
"question": "9 ○ 6 = 54, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "easy"
},
{
"id": 20,
"type": "missing-operator",
"subType": "-",
"operand1": 30,
"operand2": 14,
"result": 16,
"question": "30 ○ 14 = 16, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "easy"
}
],
"layout": {
"columns": 2,
"problemsPerPage": 20
}
},
"_archetype": "form-exercise",
"_generatorId": "arithmetic-generator-v7.2.1"
}Teaching Notes
- 36 __ 12 = 48
- 66 ○ 20 = 46, what is ○?
- 19 ○ 8 = 11, what is ○?
- 10 __ 7 = 70
- 44 __ 19 = 63
- 30 ○ 13 = 43, what is ○?
- 12 ○ 9 = 21, what is ○?
- 46 __ 7 = 39
- 49 ○ 34 = 83, what is ○?
- 49 __ 9 = 58
- 92 __ 46 = 46
- 87 ○ 39 = 48, what is ○?
- 22 ○ 23 = 45, what is ○?
- 12 ○ 8 = 4, what is ○?
- 7 __ 3 = 21
- 39 ○ 27 = 66, what is ○?
- 38 ○ 19 = 57, what is ○?
- 49 ○ 28 = 21, what is ○?
- 9 ○ 6 = 54, what is ○?
- 30 ○ 14 = 16, what is ○?
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