Workbook Detail
Missing Operator Add Sub Medium — Set 66
This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.
{
"outputTargets": {
"screen": true,
"print": true,
"pdf": true,
"answerKey": true
},
"_meta": {
"nodeId": "node-1-misop-add-sub-medium",
"pageNumber": 66,
"generatedAt": "2026-03-16T15:21:34.155Z",
"generatorVersion": "v7.2.1-wp-g2",
"seed": "99bd43e38fd5c45b",
"seedInput": "1|node-1-misop-add-sub-medium|66|1.0.0|",
"schemaVersion": "2.0.0",
"mathTemplateId": null,
"archetype": "form-exercise",
"siteId": 1
},
"semantics": {
"solvability": {
"isDeterministic": true,
"solutionCount": 1
},
"difficulty": {
"declaredLevel": "medium",
"computedScore": 55,
"metrics": {
"problemCount": 19,
"operation": "missing-operator",
"digits": 2,
"regrouping": false
}
},
"diversity": {
"structuralHash": "168e9de888825e093dcc98f5ca85271b",
"contentFingerprint": "d26066a4e404dd92"
},
"interaction": {
"checkable": true,
"revealable": true,
"randomizable": true,
"hintable": false,
"progressable": true,
"inputType": [
"text-input"
]
}
},
"version": "2.0",
"generatorId": "arithmetic-generator-v7.2.1",
"operation": "missing-operator",
"subject": "arithmetic",
"difficulty": "medium",
"config": {
"operations": [
"+",
"-"
],
"maxNumber": 50,
"operationPair": "add-sub",
"difficulty": "medium"
},
"problems": [
{
"id": 1,
"type": "missing-operator",
"subType": "÷",
"operand1": 32,
"operand2": 8,
"result": 4,
"question": "32 ○ 8 = 4, what is ○?",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 2,
"type": "missing-operator",
"subType": "÷",
"operand1": 96,
"operand2": 8,
"result": 12,
"question": "96 __ 8 = 12",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 3,
"type": "missing-operator",
"subType": "×",
"operand1": 9,
"operand2": 7,
"result": 63,
"question": "9 ○ 7 = 63, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 4,
"type": "missing-operator",
"subType": "-",
"operand1": 44,
"operand2": 15,
"result": 29,
"question": "44 __ 15 = 29",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 5,
"type": "missing-operator",
"subType": "+",
"operand1": 23,
"operand2": 14,
"result": 37,
"question": "23 ○ 14 = 37, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 6,
"type": "missing-operator",
"subType": "÷",
"operand1": 35,
"operand2": 5,
"result": 7,
"question": "35 __ 5 = 7",
"answer": "÷",
"correctAnswer": "÷",
"difficulty": "medium"
},
{
"id": 7,
"type": "missing-operator",
"subType": "-",
"operand1": 46,
"operand2": 38,
"result": 8,
"question": "46 __ 38 = 8",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 8,
"type": "missing-operator",
"subType": "+",
"operand1": 36,
"operand2": 23,
"result": 59,
"question": "36 ○ 23 = 59, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 9,
"type": "missing-operator",
"subType": "×",
"operand1": 4,
"operand2": 12,
"result": 48,
"question": "4 __ 12 = 48",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 10,
"type": "missing-operator",
"subType": "×",
"operand1": 3,
"operand2": 9,
"result": 27,
"question": "3 ○ 9 = 27, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 11,
"type": "missing-operator",
"subType": "+",
"operand1": 13,
"operand2": 44,
"result": 57,
"question": "13 ○ 44 = 57, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 12,
"type": "missing-operator",
"subType": "-",
"operand1": 85,
"operand2": 38,
"result": 47,
"question": "85 ○ 38 = 47, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 13,
"type": "missing-operator",
"subType": "×",
"operand1": 2,
"operand2": 7,
"result": 14,
"question": "2 ○ 7 = 14, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 14,
"type": "missing-operator",
"subType": "-",
"operand1": 69,
"operand2": 29,
"result": 40,
"question": "69 ○ 29 = 40, what is ○?",
"answer": "-",
"correctAnswer": "-",
"difficulty": "medium"
},
{
"id": 15,
"type": "missing-operator",
"subType": "+",
"operand1": 39,
"operand2": 1,
"result": 40,
"question": "39 ○ 1 = 40, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 17,
"type": "missing-operator",
"subType": "×",
"operand1": 7,
"operand2": 4,
"result": 28,
"question": "7 ○ 4 = 28, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 18,
"type": "missing-operator",
"subType": "+",
"operand1": 1,
"operand2": 32,
"result": 33,
"question": "1 ○ 32 = 33, what is ○?",
"answer": "+",
"correctAnswer": "+",
"difficulty": "medium"
},
{
"id": 19,
"type": "missing-operator",
"subType": "×",
"operand1": 7,
"operand2": 5,
"result": 35,
"question": "7 ○ 5 = 35, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
},
{
"id": 20,
"type": "missing-operator",
"subType": "×",
"operand1": 5,
"operand2": 3,
"result": 15,
"question": "5 ○ 3 = 15, what is ○?",
"answer": "×",
"correctAnswer": "×",
"difficulty": "medium"
}
],
"layout": {
"columns": 2,
"problemsPerPage": 20
},
"_archetype": "form-exercise",
"_generatorId": "arithmetic-generator-v7.2.1"
}Teaching Notes
- 32 ○ 8 = 4, what is ○?
- 96 __ 8 = 12
- 9 ○ 7 = 63, what is ○?
- 44 __ 15 = 29
- 23 ○ 14 = 37, what is ○?
- 35 __ 5 = 7
- 46 __ 38 = 8
- 36 ○ 23 = 59, what is ○?
- 4 __ 12 = 48
- 3 ○ 9 = 27, what is ○?
- 13 ○ 44 = 57, what is ○?
- 85 ○ 38 = 47, what is ○?
- 2 ○ 7 = 14, what is ○?
- 69 ○ 29 = 40, what is ○?
- 39 ○ 1 = 40, what is ○?
- 7 ○ 4 = 28, what is ○?
- 1 ○ 32 = 33, what is ○?
- 7 ○ 5 = 35, what is ○?
- 5 ○ 3 = 15, what is ○?
Practice missing operator add sub with free medium printable worksheets. Uniquely generated — reinforce key math skills.
Frequently Asked Questions
How do I use this Missing Operator Add Sub Medium Practice?
Print the worksheet and use it for independent practice, homework, or assessment. The included answer key allows for quick grading.
Is there an answer key?
Yes — the answer key is included and can be printed separately.