Workbook Detail
Addition Special Types Missing Addend — Set 26
12 + 77 = ___
Show answer
Answer: 89
- Operand1
- 12
- Operand2
- 77
- Operator
- +
12 + 47 = ___
Show answer
Answer: 59
- Operand1
- 12
- Operand2
- 47
- Operator
- +
40 + 41 = ___
Show answer
Answer: 81
- Operand1
- 40
- Operand2
- 41
- Operator
- +
52 + 42 = ___
Show answer
Answer: 94
- Operand1
- 52
- Operand2
- 42
- Operator
- +
31 + 43 = ___
Show answer
Answer: 74
- Operand1
- 31
- Operand2
- 43
- Operator
- +
27 + 21 = ___
Show answer
Answer: 48
- Operand1
- 27
- Operand2
- 21
- Operator
- +
31 + 22 = ___
Show answer
Answer: 53
- Operand1
- 31
- Operand2
- 22
- Operator
- +
72 + 11 = ___
Show answer
Answer: 83
- Operand1
- 72
- Operand2
- 11
- Operator
- +
40 + 12 = ___
Show answer
Answer: 52
- Operand1
- 40
- Operand2
- 12
- Operator
- +
13 + 61 = ___
Show answer
Answer: 74
- Operand1
- 13
- Operand2
- 61
- Operator
- +
47 + 52 = ___
Show answer
Answer: 99
- Operand1
- 47
- Operand2
- 52
- Operator
- +
19 + 70 = ___
Show answer
Answer: 89
- Operand1
- 19
- Operand2
- 70
- Operator
- +
71 + 16 = ___
Show answer
Answer: 87
- Operand1
- 71
- Operand2
- 16
- Operator
- +
61 + 36 = ___
Show answer
Answer: 97
- Operand1
- 61
- Operand2
- 36
- Operator
- +
74 + 23 = ___
Show answer
Answer: 97
- Operand1
- 74
- Operand2
- 23
- Operator
- +
13 + 84 = ___
Show answer
Answer: 97
- Operand1
- 13
- Operand2
- 84
- Operator
- +
10 + 55 = ___
Show answer
Answer: 65
- Operand1
- 10
- Operand2
- 55
- Operator
- +
50 + 49 = ___
Show answer
Answer: 99
- Operand1
- 50
- Operand2
- 49
- Operator
- +
45 + 20 = ___
Show answer
Answer: 65
- Operand1
- 45
- Operand2
- 20
- Operator
- +
82 + 12 = ___
Show answer
Answer: 94
- Operand1
- 82
- Operand2
- 12
- 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.