Workbook Detail
Addition Special Types Missing Addend — Set 20
46 + 23 = ___
Show answer
Answer: 69
- Operand1
- 46
- Operand2
- 23
- Operator
- +
33 + 53 = ___
Show answer
Answer: 86
- Operand1
- 33
- Operand2
- 53
- Operator
- +
33 + 45 = ___
Show answer
Answer: 78
- Operand1
- 33
- Operand2
- 45
- Operator
- +
70 + 11 = ___
Show answer
Answer: 81
- Operand1
- 70
- Operand2
- 11
- Operator
- +
54 + 31 = ___
Show answer
Answer: 85
- Operand1
- 54
- Operand2
- 31
- Operator
- +
41 + 52 = ___
Show answer
Answer: 93
- Operand1
- 41
- Operand2
- 52
- Operator
- +
51 + 22 = ___
Show answer
Answer: 73
- Operand1
- 51
- Operand2
- 22
- Operator
- +
40 + 25 = ___
Show answer
Answer: 65
- Operand1
- 40
- Operand2
- 25
- Operator
- +
11 + 84 = ___
Show answer
Answer: 95
- Operand1
- 11
- Operand2
- 84
- Operator
- +
54 + 40 = ___
Show answer
Answer: 94
- Operand1
- 54
- Operand2
- 40
- Operator
- +
43 + 20 = ___
Show answer
Answer: 63
- Operand1
- 43
- Operand2
- 20
- Operator
- +
65 + 31 = ___
Show answer
Answer: 96
- Operand1
- 65
- Operand2
- 31
- Operator
- +
72 + 27 = ___
Show answer
Answer: 99
- Operand1
- 72
- Operand2
- 27
- Operator
- +
15 + 81 = ___
Show answer
Answer: 96
- Operand1
- 15
- Operand2
- 81
- Operator
- +
25 + 24 = ___
Show answer
Answer: 49
- Operand1
- 25
- Operand2
- 24
- Operator
- +
20 + 78 = ___
Show answer
Answer: 98
- Operand1
- 20
- Operand2
- 78
- Operator
- +
10 + 40 = ___
Show answer
Answer: 50
- Operand1
- 10
- Operand2
- 40
- Operator
- +
32 + 63 = ___
Show answer
Answer: 95
- Operand1
- 32
- Operand2
- 63
- Operator
- +
33 + 62 = ___
Show answer
Answer: 95
- Operand1
- 33
- Operand2
- 62
- Operator
- +
41 + 26 = ___
Show answer
Answer: 67
- Operand1
- 41
- Operand2
- 26
- 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.