Workbook Detail
Addition Special Types Missing Addend — Set 1
Exercise 1
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Answer: 115
- Operand1
- 96
- Operand2
- 19
- Operator
- +
Exercise 2
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Answer: 132
- Operand1
- 65
- Operand2
- 67
- Operator
- +
Exercise 3
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Answer: 122
- Operand1
- 81
- Operand2
- 41
- Operator
- +
Exercise 4
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Answer: 112
- Operand1
- 14
- Operand2
- 98
- Operator
- +
Exercise 5
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Answer: 120
- Operand1
- 63
- Operand2
- 57
- Operator
- +
Exercise 6
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Answer: 102
- Operand1
- 60
- Operand2
- 42
- Operator
- +
Exercise 7
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Answer: 71
- Operand1
- 56
- Operand2
- 15
- Operator
- +
Exercise 8
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Answer: 94
- Operand1
- 38
- Operand2
- 56
- Operator
- +
Exercise 9
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Answer: 126
- Operand1
- 30
- Operand2
- 96
- Operator
- +
Exercise 10
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Answer: 149
- Operand1
- 68
- Operand2
- 81
- Operator
- +
Exercise 11
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Answer: 122
- Operand1
- 83
- Operand2
- 39
- Operator
- +
Exercise 12
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Answer: 74
- Operand1
- 19
- Operand2
- 55
- Operator
- +
Exercise 13
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Answer: 135
- Operand1
- 93
- Operand2
- 42
- Operator
- +
Exercise 14
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Answer: 136
- Operand1
- 64
- Operand2
- 72
- Operator
- +
Exercise 15
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Answer: 151
- Operand1
- 67
- Operand2
- 84
- Operator
- +
Exercise 16
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Answer: 181
- Operand1
- 87
- Operand2
- 94
- Operator
- +
Exercise 17
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Answer: 105
- Operand1
- 68
- Operand2
- 37
- Operator
- +
Exercise 18
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Answer: 105
- Operand1
- 81
- Operand2
- 24
- Operator
- +
Exercise 19
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Answer: 106
- Operand1
- 78
- Operand2
- 28
- Operator
- +
Exercise 20
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Answer: 165
- Operand1
- 73
- Operand2
- 92
- Operator
- +
Teaching Notes
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.