Workbook Detail
Addition Special Types Missing Addend — Set 31
44 + 20 = ___
Show answer
Answer: 64
- Operand1
- 44
- Operand2
- 20
- Operator
- +
30 + 45 = ___
Show answer
Answer: 75
- Operand1
- 30
- Operand2
- 45
- Operator
- +
43 + 23 = ___
Show answer
Answer: 66
- Operand1
- 43
- Operand2
- 23
- Operator
- +
33 + 31 = ___
Show answer
Answer: 64
- Operand1
- 33
- Operand2
- 31
- Operator
- +
33 + 54 = ___
Show answer
Answer: 87
- Operand1
- 33
- Operand2
- 54
- Operator
- +
21 + 71 = ___
Show answer
Answer: 92
- Operand1
- 21
- Operand2
- 71
- Operator
- +
40 + 19 = ___
Show answer
Answer: 59
- Operand1
- 40
- Operand2
- 19
- Operator
- +
40 + 53 = ___
Show answer
Answer: 93
- Operand1
- 40
- Operand2
- 53
- Operator
- +
52 + 42 = ___
Show answer
Answer: 94
- Operand1
- 52
- Operand2
- 42
- Operator
- +
26 + 51 = ___
Show answer
Answer: 77
- Operand1
- 26
- Operand2
- 51
- Operator
- +
42 + 14 = ___
Show answer
Answer: 56
- Operand1
- 42
- Operand2
- 14
- Operator
- +
40 + 59 = ___
Show answer
Answer: 99
- Operand1
- 40
- Operand2
- 59
- Operator
- +
36 + 22 = ___
Show answer
Answer: 58
- Operand1
- 36
- Operand2
- 22
- Operator
- +
12 + 61 = ___
Show answer
Answer: 73
- Operand1
- 12
- Operand2
- 61
- Operator
- +
55 + 41 = ___
Show answer
Answer: 96
- Operand1
- 55
- Operand2
- 41
- Operator
- +
20 + 68 = ___
Show answer
Answer: 88
- Operand1
- 20
- Operand2
- 68
- Operator
- +
48 + 21 = ___
Show answer
Answer: 69
- Operand1
- 48
- Operand2
- 21
- Operator
- +
21 + 28 = ___
Show answer
Answer: 49
- Operand1
- 21
- Operand2
- 28
- Operator
- +
43 + 36 = ___
Show answer
Answer: 79
- Operand1
- 43
- Operand2
- 36
- Operator
- +
30 + 31 = ___
Show answer
Answer: 61
- Operand1
- 30
- Operand2
- 31
- 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.