Workbook Detail
Addition Within 20 Medium — Set 60
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-leaf-addition-within-20-medium",
"pageNumber": 60,
"generatedAt": "2026-03-16T15:21:35.229Z",
"generatorVersion": "v7.2.1-wp-g2",
"seed": "e29d0c24910a7c98",
"seedInput": "1|node-1-leaf-addition-within-20-medium|60|1.0.0|",
"schemaVersion": "2.0.0",
"mathTemplateId": null,
"archetype": "form-exercise",
"siteId": 1
},
"semantics": {
"solvability": {
"isDeterministic": true,
"solutionCount": 1
},
"difficulty": {
"declaredLevel": "medium",
"computedScore": 53,
"metrics": {
"problemCount": 20,
"operation": "addition",
"digits": 2,
"regrouping": false
}
},
"diversity": {
"structuralHash": "079b8b6eb5f463b0b665b01f69b624f0",
"contentFingerprint": "e47d96845d4324f0"
},
"interaction": {
"checkable": true,
"revealable": true,
"randomizable": true,
"hintable": false,
"progressable": true,
"inputType": [
"text-input"
]
}
},
"version": "2.0",
"generatorId": "arithmetic-generator-v7.2.1",
"operation": "addition",
"subject": "arithmetic",
"difficulty": "medium",
"config": {
"maxNumber": 20,
"regrouping": false,
"operation": "addition",
"maxSum": 20,
"difficulty": "medium"
},
"problems": [
{
"id": 1,
"operand1": 6,
"operand2": 11,
"operator": "+",
"question": "6 + 11 = ___",
"answer": 17
},
{
"id": 2,
"operand1": 4,
"operand2": 1,
"operator": "+",
"question": "4 + 1 = ___",
"answer": 5,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 4,
"role": "groupA"
},
{
"count": 1,
"role": "groupB"
}
]
}
},
{
"id": 3,
"operand1": 8,
"operand2": 10,
"operator": "+",
"question": "8 + 10 = ___",
"answer": 18,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 8,
"role": "groupA"
},
{
"count": 10,
"role": "groupB"
}
]
}
},
{
"id": 4,
"operand1": 2,
"operand2": 6,
"operator": "+",
"question": "2 + 6 = ___",
"answer": 8,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 2,
"role": "groupA"
},
{
"count": 6,
"role": "groupB"
}
]
}
},
{
"id": 5,
"operand1": 4,
"operand2": 3,
"operator": "+",
"question": "4 + 3 = ___",
"answer": 7,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 4,
"role": "groupA"
},
{
"count": 3,
"role": "groupB"
}
]
}
},
{
"id": 6,
"operand1": 3,
"operand2": 10,
"operator": "+",
"question": "3 + 10 = ___",
"answer": 13,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 3,
"role": "groupA"
},
{
"count": 10,
"role": "groupB"
}
]
}
},
{
"id": 7,
"operand1": 2,
"operand2": 4,
"operator": "+",
"question": "2 + 4 = ___",
"answer": 6,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 2,
"role": "groupA"
},
{
"count": 4,
"role": "groupB"
}
]
}
},
{
"id": 8,
"operand1": 2,
"operand2": 5,
"operator": "+",
"question": "2 + 5 = ___",
"answer": 7,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 2,
"role": "groupA"
},
{
"count": 5,
"role": "groupB"
}
]
}
},
{
"id": 9,
"operand1": 3,
"operand2": 5,
"operator": "+",
"question": "3 + 5 = ___",
"answer": 8,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 3,
"role": "groupA"
},
{
"count": 5,
"role": "groupB"
}
]
}
},
{
"id": 10,
"operand1": 10,
"operand2": 3,
"operator": "+",
"question": "10 + 3 = ___",
"answer": 13,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 10,
"role": "groupA"
},
{
"count": 3,
"role": "groupB"
}
]
}
},
{
"id": 11,
"operand1": 10,
"operand2": 1,
"operator": "+",
"question": "10 + 1 = ___",
"answer": 11,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 10,
"role": "groupA"
},
{
"count": 1,
"role": "groupB"
}
]
}
},
{
"id": 12,
"operand1": 7,
"operand2": 12,
"operator": "+",
"question": "7 + 12 = ___",
"answer": 19
},
{
"id": 13,
"operand1": 1,
"operand2": 5,
"operator": "+",
"question": "1 + 5 = ___",
"answer": 6,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 1,
"role": "groupA"
},
{
"count": 5,
"role": "groupB"
}
]
}
},
{
"id": 14,
"operand1": 3,
"operand2": 14,
"operator": "+",
"question": "3 + 14 = ___",
"answer": 17
},
{
"id": 15,
"operand1": 5,
"operand2": 13,
"operator": "+",
"question": "5 + 13 = ___",
"answer": 18
},
{
"id": 16,
"operand1": 4,
"operand2": 15,
"operator": "+",
"question": "4 + 15 = ___",
"answer": 19
},
{
"id": 17,
"operand1": 7,
"operand2": 1,
"operator": "+",
"question": "7 + 1 = ___",
"answer": 8,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 7,
"role": "groupA"
},
{
"count": 1,
"role": "groupB"
}
]
}
},
{
"id": 18,
"operand1": 3,
"operand2": 10,
"operator": "+",
"question": "3 + 10 = ___",
"answer": 13,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 3,
"role": "groupA"
},
{
"count": 10,
"role": "groupB"
}
]
}
},
{
"id": 19,
"operand1": 8,
"operand2": 1,
"operator": "+",
"question": "8 + 1 = ___",
"answer": 9,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 8,
"role": "groupA"
},
{
"count": 1,
"role": "groupB"
}
]
}
},
{
"id": 20,
"operand1": 1,
"operand2": 8,
"operator": "+",
"question": "1 + 8 = ___",
"answer": 9,
"visualIntent": {
"layout": "picture-equation",
"operation": "add",
"items": [
{
"count": 1,
"role": "groupA"
},
{
"count": 8,
"role": "groupB"
}
]
}
}
],
"layout": {
"columns": 2,
"problemsPerPage": 20
},
"_archetype": "form-exercise",
"_generatorId": "arithmetic-generator-v7.2.1"
}Teaching Notes
6
+11
4
+1
8
+10
2
+6
4
+3
3
+10
2
+4
2
+5
3
+5
10
+3
10
+1
7
+12
1
+5
3
+14
5
+13
4
+15
7
+1
3
+10
8
+1
1
+8
Practice addition within 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Addition Within 20 Medium Worksheets worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.