Workbook Detail
Addition Special Types Missing Addend — Set 3
Exercise 1
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Answer: 109
- Operand1
- 46
- Operand2
- 63
- Operator
- +
Exercise 2
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Answer: 34
- Operand1
- 17
- Operand2
- 17
- Operator
- +
Exercise 3
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Answer: 90
- Operand1
- 63
- Operand2
- 27
- Operator
- +
Exercise 4
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Answer: 159
- Operand1
- 90
- Operand2
- 69
- Operator
- +
Exercise 5
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Answer: 167
- Operand1
- 86
- Operand2
- 81
- Operator
- +
Exercise 6
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Answer: 126
- Operand1
- 88
- Operand2
- 38
- Operator
- +
Exercise 7
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Answer: 90
- Operand1
- 39
- Operand2
- 51
- Operator
- +
Exercise 8
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Answer: 129
- Operand1
- 95
- Operand2
- 34
- Operator
- +
Exercise 9
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Answer: 116
- Operand1
- 72
- Operand2
- 44
- Operator
- +
Exercise 10
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Answer: 147
- Operand1
- 72
- Operand2
- 75
- Operator
- +
Exercise 11
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Answer: 164
- Operand1
- 89
- Operand2
- 75
- Operator
- +
Exercise 12
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Answer: 123
- Operand1
- 46
- Operand2
- 77
- Operator
- +
Exercise 13
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Answer: 108
- Operand1
- 88
- Operand2
- 20
- Operator
- +
Exercise 14
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Answer: 161
- Operand1
- 95
- Operand2
- 66
- Operator
- +
Exercise 15
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Answer: 108
- Operand1
- 24
- Operand2
- 84
- Operator
- +
Exercise 16
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Answer: 174
- Operand1
- 97
- Operand2
- 77
- Operator
- +
Exercise 17
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Answer: 80
- Operand1
- 46
- Operand2
- 34
- Operator
- +
Exercise 18
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Answer: 104
- Operand1
- 20
- Operand2
- 84
- Operator
- +
Exercise 19
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Answer: 126
- Operand1
- 85
- Operand2
- 41
- Operator
- +
Exercise 20
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Answer: 80
- Operand1
- 31
- Operand2
- 49
- 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.