Workbook Detail
Addition Special Types Missing Addend — Set 100
72 + 21 = ___
Show answer
Answer: 93
- Operand1
- 72
- Operand2
- 21
- Operator
- +
11 + 85 = ___
Show answer
Answer: 96
- Operand1
- 11
- Operand2
- 85
- Operator
- +
10 + 51 = ___
Show answer
Answer: 61
- Operand1
- 10
- Operand2
- 51
- Operator
- +
63 + 23 = ___
Show answer
Answer: 86
- Operand1
- 63
- Operand2
- 23
- Operator
- +
19 + 20 = ___
Show answer
Answer: 39
- Operand1
- 19
- Operand2
- 20
- Operator
- +
34 + 12 = ___
Show answer
Answer: 46
- Operand1
- 34
- Operand2
- 12
- Operator
- +
42 + 47 = ___
Show answer
Answer: 89
- Operand1
- 42
- Operand2
- 47
- Operator
- +
50 + 46 = ___
Show answer
Answer: 96
- Operand1
- 50
- Operand2
- 46
- Operator
- +
31 + 27 = ___
Show answer
Answer: 58
- Operand1
- 31
- Operand2
- 27
- Operator
- +
17 + 10 = ___
Show answer
Answer: 27
- Operand1
- 17
- Operand2
- 10
- Operator
- +
13 + 11 = ___
Show answer
Answer: 24
- Operand1
- 13
- Operand2
- 11
- Operator
- +
17 + 10 = ___
Show answer
Answer: 27
- Operand1
- 17
- Operand2
- 10
- Operator
- +
11 + 54 = ___
Show answer
Answer: 65
- Operand1
- 11
- Operand2
- 54
- Operator
- +
40 + 13 = ___
Show answer
Answer: 53
- Operand1
- 40
- Operand2
- 13
- Operator
- +
41 + 40 = ___
Show answer
Answer: 81
- Operand1
- 41
- Operand2
- 40
- Operator
- +
68 + 31 = ___
Show answer
Answer: 99
- Operand1
- 68
- Operand2
- 31
- Operator
- +
34 + 40 = ___
Show answer
Answer: 74
- Operand1
- 34
- Operand2
- 40
- Operator
- +
19 + 10 = ___
Show answer
Answer: 29
- Operand1
- 19
- Operand2
- 10
- Operator
- +
32 + 16 = ___
Show answer
Answer: 48
- Operand1
- 32
- Operand2
- 16
- Operator
- +
14 + 83 = ___
Show answer
Answer: 97
- Operand1
- 14
- Operand2
- 83
- 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.