Workbook Detail
Addition Special Types Missing Addend — Set 71
This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.
{
"contentData": {
"operation": "addition",
"subject": "arithmetic",
"difficulty": "medium",
"config": {
"maxNumber": 50,
"minNumber": 0,
"digits": 2,
"regrouping": false,
"operation": "addition",
"missingOperand": true
},
"problems": [
{
"id": 1,
"operand1": 30,
"operand2": 44,
"operator": "+",
"question": "30 + 44 = ___",
"answer": 74
},
{
"id": 2,
"operand1": 21,
"operand2": 77,
"operator": "+",
"question": "21 + 77 = ___",
"answer": 98
},
{
"id": 3,
"operand1": 44,
"operand2": 42,
"operator": "+",
"question": "44 + 42 = ___",
"answer": 86
},
{
"id": 4,
"operand1": 23,
"operand2": 64,
"operator": "+",
"question": "23 + 64 = ___",
"answer": 87
},
{
"id": 5,
"operand1": 40,
"operand2": 49,
"operator": "+",
"question": "40 + 49 = ___",
"answer": 89
},
{
"id": 6,
"operand1": 19,
"operand2": 30,
"operator": "+",
"question": "19 + 30 = ___",
"answer": 49
},
{
"id": 7,
"operand1": 73,
"operand2": 26,
"operator": "+",
"question": "73 + 26 = ___",
"answer": 99
},
{
"id": 8,
"operand1": 40,
"operand2": 21,
"operator": "+",
"question": "40 + 21 = ___",
"answer": 61
},
{
"id": 9,
"operand1": 17,
"operand2": 11,
"operator": "+",
"question": "17 + 11 = ___",
"answer": 28
},
{
"id": 10,
"operand1": 23,
"operand2": 25,
"operator": "+",
"question": "23 + 25 = ___",
"answer": 48
},
{
"id": 11,
"operand1": 61,
"operand2": 23,
"operator": "+",
"question": "61 + 23 = ___",
"answer": 84
},
{
"id": 12,
"operand1": 30,
"operand2": 27,
"operator": "+",
"question": "30 + 27 = ___",
"answer": 57
},
{
"id": 13,
"operand1": 25,
"operand2": 22,
"operator": "+",
"question": "25 + 22 = ___",
"answer": 47
},
{
"id": 14,
"operand1": 33,
"operand2": 32,
"operator": "+",
"question": "33 + 32 = ___",
"answer": 65
},
{
"id": 15,
"operand1": 12,
"operand2": 15,
"operator": "+",
"question": "12 + 15 = ___",
"answer": 27
},
{
"id": 16,
"operand1": 56,
"operand2": 11,
"operator": "+",
"question": "56 + 11 = ___",
"answer": 67
},
{
"id": 17,
"operand1": 23,
"operand2": 75,
"operator": "+",
"question": "23 + 75 = ___",
"answer": 98
},
{
"id": 18,
"operand1": 57,
"operand2": 21,
"operator": "+",
"question": "57 + 21 = ___",
"answer": 78
},
{
"id": 19,
"operand1": 67,
"operand2": 22,
"operator": "+",
"question": "67 + 22 = ___",
"answer": 89
},
{
"id": 20,
"operand1": 31,
"operand2": 11,
"operator": "+",
"question": "31 + 11 = ___",
"answer": 42
}
],
"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
30
+44
21
+77
44
+42
23
+64
40
+49
19
+30
73
+26
40
+21
17
+11
23
+25
61
+23
30
+27
25
+22
33
+32
12
+15
56
+11
23
+75
57
+21
67
+22
31
+11
Download this free addition missing addends to 20 math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.
Features
- Printable PDF format
- Answer key included
- Multiple difficulty levels
- Classroom and home friendly
How to Use These Worksheets
- Select a missing addends to 20 set.
- Print or use on-screen.
- Check answers and practice again.
Tips
- Start with easier sets and move up gradually.
- Practice in short sessions (10–15 minutes).
- Review mistakes and redo similar problems.
Frequently Asked Questions
How do I use this Addition Missing Addends To 20 Math Worksheet 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.