Workbook Detail
Addition Special Types Missing Addend — Set 57
21 + 51 = ___
Show answer
Answer: 72
- Operand1
- 21
- Operand2
- 51
- Operator
- +
14 + 23 = ___
Show answer
Answer: 37
- Operand1
- 14
- Operand2
- 23
- Operator
- +
21 + 32 = ___
Show answer
Answer: 53
- Operand1
- 21
- Operand2
- 32
- Operator
- +
52 + 41 = ___
Show answer
Answer: 93
- Operand1
- 52
- Operand2
- 41
- Operator
- +
25 + 14 = ___
Show answer
Answer: 39
- Operand1
- 25
- Operand2
- 14
- Operator
- +
43 + 14 = ___
Show answer
Answer: 57
- Operand1
- 43
- Operand2
- 14
- Operator
- +
41 + 36 = ___
Show answer
Answer: 77
- Operand1
- 41
- Operand2
- 36
- Operator
- +
34 + 65 = ___
Show answer
Answer: 99
- Operand1
- 34
- Operand2
- 65
- Operator
- +
47 + 50 = ___
Show answer
Answer: 97
- Operand1
- 47
- Operand2
- 50
- Operator
- +
38 + 61 = ___
Show answer
Answer: 99
- Operand1
- 38
- Operand2
- 61
- Operator
- +
21 + 47 = ___
Show answer
Answer: 68
- Operand1
- 21
- Operand2
- 47
- Operator
- +
29 + 10 = ___
Show answer
Answer: 39
- Operand1
- 29
- Operand2
- 10
- Operator
- +
36 + 50 = ___
Show answer
Answer: 86
- Operand1
- 36
- Operand2
- 50
- Operator
- +
45 + 54 = ___
Show answer
Answer: 99
- Operand1
- 45
- Operand2
- 54
- Operator
- +
50 + 49 = ___
Show answer
Answer: 99
- Operand1
- 50
- Operand2
- 49
- Operator
- +
55 + 33 = ___
Show answer
Answer: 88
- Operand1
- 55
- Operand2
- 33
- Operator
- +
52 + 16 = ___
Show answer
Answer: 68
- Operand1
- 52
- Operand2
- 16
- Operator
- +
37 + 51 = ___
Show answer
Answer: 88
- Operand1
- 37
- Operand2
- 51
- Operator
- +
33 + 24 = ___
Show answer
Answer: 57
- Operand1
- 33
- Operand2
- 24
- Operator
- +
41 + 48 = ___
Show answer
Answer: 89
- Operand1
- 41
- Operand2
- 48
- 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.