Workbook Detail
Addition Special Types Missing Addend — Set 87
36 + 63 = ___
Show answer
Answer: 99
- Operand1
- 36
- Operand2
- 63
- Operator
- +
22 + 22 = ___
Show answer
Answer: 44
- Operand1
- 22
- Operand2
- 22
- Operator
- +
40 + 25 = ___
Show answer
Answer: 65
- Operand1
- 40
- Operand2
- 25
- Operator
- +
16 + 82 = ___
Show answer
Answer: 98
- Operand1
- 16
- Operand2
- 82
- Operator
- +
11 + 12 = ___
Show answer
Answer: 23
- Operand1
- 11
- Operand2
- 12
- Operator
- +
27 + 42 = ___
Show answer
Answer: 69
- Operand1
- 27
- Operand2
- 42
- Operator
- +
31 + 66 = ___
Show answer
Answer: 97
- Operand1
- 31
- Operand2
- 66
- Operator
- +
51 + 15 = ___
Show answer
Answer: 66
- Operand1
- 51
- Operand2
- 15
- Operator
- +
40 + 28 = ___
Show answer
Answer: 68
- Operand1
- 40
- Operand2
- 28
- Operator
- +
11 + 27 = ___
Show answer
Answer: 38
- Operand1
- 11
- Operand2
- 27
- Operator
- +
11 + 74 = ___
Show answer
Answer: 85
- Operand1
- 11
- Operand2
- 74
- Operator
- +
21 + 47 = ___
Show answer
Answer: 68
- Operand1
- 21
- Operand2
- 47
- Operator
- +
21 + 33 = ___
Show answer
Answer: 54
- Operand1
- 21
- Operand2
- 33
- Operator
- +
18 + 81 = ___
Show answer
Answer: 99
- Operand1
- 18
- Operand2
- 81
- Operator
- +
52 + 22 = ___
Show answer
Answer: 74
- Operand1
- 52
- Operand2
- 22
- Operator
- +
14 + 42 = ___
Show answer
Answer: 56
- Operand1
- 14
- Operand2
- 42
- Operator
- +
10 + 61 = ___
Show answer
Answer: 71
- Operand1
- 10
- Operand2
- 61
- Operator
- +
17 + 31 = ___
Show answer
Answer: 48
- Operand1
- 17
- Operand2
- 31
- Operator
- +
22 + 63 = ___
Show answer
Answer: 85
- Operand1
- 22
- Operand2
- 63
- Operator
- +
40 + 24 = ___
Show answer
Answer: 64
- Operand1
- 40
- Operand2
- 24
- 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.