Workbook Detail
Addition Special Types Missing Addend — Set 45
67 + 21 = ___
Show answer
Answer: 88
- Operand1
- 67
- Operand2
- 21
- Operator
- +
60 + 10 = ___
Show answer
Answer: 70
- Operand1
- 60
- Operand2
- 10
- Operator
- +
34 + 43 = ___
Show answer
Answer: 77
- Operand1
- 34
- Operand2
- 43
- Operator
- +
21 + 17 = ___
Show answer
Answer: 38
- Operand1
- 21
- Operand2
- 17
- Operator
- +
39 + 60 = ___
Show answer
Answer: 99
- Operand1
- 39
- Operand2
- 60
- Operator
- +
76 + 23 = ___
Show answer
Answer: 99
- Operand1
- 76
- Operand2
- 23
- Operator
- +
41 + 47 = ___
Show answer
Answer: 88
- Operand1
- 41
- Operand2
- 47
- Operator
- +
37 + 41 = ___
Show answer
Answer: 78
- Operand1
- 37
- Operand2
- 41
- Operator
- +
55 + 11 = ___
Show answer
Answer: 66
- Operand1
- 55
- Operand2
- 11
- Operator
- +
53 + 44 = ___
Show answer
Answer: 97
- Operand1
- 53
- Operand2
- 44
- Operator
- +
30 + 51 = ___
Show answer
Answer: 81
- Operand1
- 30
- Operand2
- 51
- Operator
- +
13 + 72 = ___
Show answer
Answer: 85
- Operand1
- 13
- Operand2
- 72
- Operator
- +
51 + 35 = ___
Show answer
Answer: 86
- Operand1
- 51
- Operand2
- 35
- Operator
- +
16 + 51 = ___
Show answer
Answer: 67
- Operand1
- 16
- Operand2
- 51
- Operator
- +
30 + 25 = ___
Show answer
Answer: 55
- Operand1
- 30
- Operand2
- 25
- Operator
- +
74 + 12 = ___
Show answer
Answer: 86
- Operand1
- 74
- Operand2
- 12
- Operator
- +
88 + 10 = ___
Show answer
Answer: 98
- Operand1
- 88
- Operand2
- 10
- Operator
- +
12 + 20 = ___
Show answer
Answer: 32
- Operand1
- 12
- Operand2
- 20
- Operator
- +
50 + 41 = ___
Show answer
Answer: 91
- Operand1
- 50
- Operand2
- 41
- Operator
- +
53 + 24 = ___
Show answer
Answer: 77
- Operand1
- 53
- Operand2
- 24
- 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.