Workbook Detail
Addition Special Types Missing Addend — Set 28
42 + 45 = ___
Show answer
Answer: 87
- Operand1
- 42
- Operand2
- 45
- Operator
- +
19 + 30 = ___
Show answer
Answer: 49
- Operand1
- 19
- Operand2
- 30
- Operator
- +
38 + 10 = ___
Show answer
Answer: 48
- Operand1
- 38
- Operand2
- 10
- Operator
- +
13 + 63 = ___
Show answer
Answer: 76
- Operand1
- 13
- Operand2
- 63
- Operator
- +
33 + 53 = ___
Show answer
Answer: 86
- Operand1
- 33
- Operand2
- 53
- Operator
- +
31 + 62 = ___
Show answer
Answer: 93
- Operand1
- 31
- Operand2
- 62
- Operator
- +
41 + 14 = ___
Show answer
Answer: 55
- Operand1
- 41
- Operand2
- 14
- Operator
- +
74 + 15 = ___
Show answer
Answer: 89
- Operand1
- 74
- Operand2
- 15
- Operator
- +
41 + 30 = ___
Show answer
Answer: 71
- Operand1
- 41
- Operand2
- 30
- Operator
- +
52 + 15 = ___
Show answer
Answer: 67
- Operand1
- 52
- Operand2
- 15
- Operator
- +
26 + 23 = ___
Show answer
Answer: 49
- Operand1
- 26
- Operand2
- 23
- Operator
- +
50 + 17 = ___
Show answer
Answer: 67
- Operand1
- 50
- Operand2
- 17
- Operator
- +
63 + 35 = ___
Show answer
Answer: 98
- Operand1
- 63
- Operand2
- 35
- Operator
- +
22 + 16 = ___
Show answer
Answer: 38
- Operand1
- 22
- Operand2
- 16
- Operator
- +
12 + 21 = ___
Show answer
Answer: 33
- Operand1
- 12
- Operand2
- 21
- Operator
- +
57 + 41 = ___
Show answer
Answer: 98
- Operand1
- 57
- Operand2
- 41
- Operator
- +
67 + 32 = ___
Show answer
Answer: 99
- Operand1
- 67
- Operand2
- 32
- Operator
- +
35 + 63 = ___
Show answer
Answer: 98
- Operand1
- 35
- Operand2
- 63
- Operator
- +
40 + 12 = ___
Show answer
Answer: 52
- Operand1
- 40
- Operand2
- 12
- Operator
- +
21 + 33 = ___
Show answer
Answer: 54
- Operand1
- 21
- Operand2
- 33
- 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.