Workbook Detail
Missing Operator Add Sub Medium — Set 94
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": 11,
"operand2": 10,
"result": 110,
"question": "11 ○ 10 = 110, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 2,
"type": "missing-operator",
"subType": "-",
"operand1": 67,
"operand2": 22,
"result": 45,
"question": "67 ○ 22 = 45, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 3,
"type": "missing-operator",
"subType": "+",
"operand1": 36,
"operand2": 3,
"result": 39,
"question": "36 __ 3 = 39",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 4,
"type": "missing-operator",
"subType": "-",
"operand1": 23,
"operand2": 9,
"result": 14,
"question": "23 ○ 9 = 14, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 5,
"type": "missing-operator",
"subType": "+",
"operand1": 27,
"operand2": 32,
"result": 59,
"question": "27 ○ 32 = 59, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 6,
"type": "missing-operator",
"subType": "-",
"operand1": 60,
"operand2": 48,
"result": 12,
"question": "60 __ 48 = 12",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 7,
"type": "missing-operator",
"subType": "-",
"operand1": 28,
"operand2": 1,
"result": 27,
"question": "28 ○ 1 = 27, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 8,
"type": "missing-operator",
"subType": "+",
"operand1": 22,
"operand2": 19,
"result": 41,
"question": "22 __ 19 = 41",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 9,
"type": "missing-operator",
"subType": "+",
"operand1": 45,
"operand2": 46,
"result": 91,
"question": "45 ○ 46 = 91, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 10,
"type": "missing-operator",
"subType": "-",
"operand1": 43,
"operand2": 26,
"result": 17,
"question": "43 ○ 26 = 17, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 11,
"type": "missing-operator",
"subType": "+",
"operand1": 38,
"operand2": 30,
"result": 68,
"question": "38 __ 30 = 68",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 12,
"type": "missing-operator",
"subType": "-",
"operand1": 41,
"operand2": 28,
"result": 13,
"question": "41 __ 28 = 13",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 13,
"type": "missing-operator",
"subType": "+",
"operand1": 45,
"operand2": 11,
"result": 56,
"question": "45 __ 11 = 56",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 14,
"type": "missing-operator",
"subType": "-",
"operand1": 19,
"operand2": 3,
"result": 16,
"question": "19 __ 3 = 16",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 15,
"type": "missing-operator",
"subType": "÷",
"operand1": 60,
"operand2": 5,
"result": 12,
"question": "60 ○ 5 = 12, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 16,
"type": "missing-operator",
"subType": "+",
"operand1": 14,
"operand2": 7,
"result": 21,
"question": "14 __ 7 = 21",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 17,
"type": "missing-operator",
"subType": "÷",
"operand1": 72,
"operand2": 6,
"result": 12,
"question": "72 __ 6 = 12",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 18,
"type": "missing-operator",
"subType": "-",
"operand1": 47,
"operand2": 25,
"result": 22,
"question": "47 __ 25 = 22",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 19,
"type": "missing-operator",
"subType": "×",
"operand1": 12,
"operand2": 4,
"result": 48,
"question": "12 __ 4 = 48",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 20,
"type": "missing-operator",
"subType": "÷",
"operand1": 80,
"operand2": 10,
"result": 8,
"question": "80 __ 10 = 8",
"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
- 11 ○ 10 = 110, what is ○?
- 67 ○ 22 = 45, what is ○?
- 36 __ 3 = 39
- 23 ○ 9 = 14, what is ○?
- 27 ○ 32 = 59, what is ○?
- 60 __ 48 = 12
- 28 ○ 1 = 27, what is ○?
- 22 __ 19 = 41
- 45 ○ 46 = 91, what is ○?
- 43 ○ 26 = 17, what is ○?
- 38 __ 30 = 68
- 41 __ 28 = 13
- 45 __ 11 = 56
- 19 __ 3 = 16
- 60 ○ 5 = 12, what is ○?
- 14 __ 7 = 21
- 72 __ 6 = 12
- 47 __ 25 = 22
- 12 __ 4 = 48
- 80 __ 10 = 8
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