Workbook Detail
Addition Special Types Missing Addend — Set 33
38 + 40 = ___
Show answer
Answer: 78
- Operand1
- 38
- Operand2
- 40
- Operator
- +
45 + 10 = ___
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Answer: 55
- Operand1
- 45
- Operand2
- 10
- Operator
- +
15 + 53 = ___
Show answer
Answer: 68
- Operand1
- 15
- Operand2
- 53
- Operator
- +
54 + 14 = ___
Show answer
Answer: 68
- Operand1
- 54
- Operand2
- 14
- Operator
- +
81 + 13 = ___
Show answer
Answer: 94
- Operand1
- 81
- Operand2
- 13
- Operator
- +
32 + 35 = ___
Show answer
Answer: 67
- Operand1
- 32
- Operand2
- 35
- Operator
- +
33 + 12 = ___
Show answer
Answer: 45
- Operand1
- 33
- Operand2
- 12
- Operator
- +
50 + 10 = ___
Show answer
Answer: 60
- Operand1
- 50
- Operand2
- 10
- Operator
- +
38 + 30 = ___
Show answer
Answer: 68
- Operand1
- 38
- Operand2
- 30
- Operator
- +
42 + 25 = ___
Show answer
Answer: 67
- Operand1
- 42
- Operand2
- 25
- Operator
- +
21 + 31 = ___
Show answer
Answer: 52
- Operand1
- 21
- Operand2
- 31
- Operator
- +
26 + 20 = ___
Show answer
Answer: 46
- Operand1
- 26
- Operand2
- 20
- Operator
- +
16 + 42 = ___
Show answer
Answer: 58
- Operand1
- 16
- Operand2
- 42
- Operator
- +
35 + 13 = ___
Show answer
Answer: 48
- Operand1
- 35
- Operand2
- 13
- Operator
- +
60 + 30 = ___
Show answer
Answer: 90
- Operand1
- 60
- Operand2
- 30
- Operator
- +
36 + 11 = ___
Show answer
Answer: 47
- Operand1
- 36
- Operand2
- 11
- Operator
- +
38 + 41 = ___
Show answer
Answer: 79
- Operand1
- 38
- Operand2
- 41
- Operator
- +
11 + 80 = ___
Show answer
Answer: 91
- Operand1
- 11
- Operand2
- 80
- Operator
- +
56 + 32 = ___
Show answer
Answer: 88
- Operand1
- 56
- Operand2
- 32
- Operator
- +
23 + 63 = ___
Show answer
Answer: 86
- Operand1
- 23
- Operand2
- 63
- 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.