Workbook Detail
Addition Special Types Missing Addend — Set 18
83 + 15 = ___
Show answer
Answer: 98
- Operand1
- 83
- Operand2
- 15
- Operator
- +
39 + 60 = ___
Show answer
Answer: 99
- Operand1
- 39
- Operand2
- 60
- Operator
- +
13 + 11 = ___
Show answer
Answer: 24
- Operand1
- 13
- Operand2
- 11
- Operator
- +
50 + 19 = ___
Show answer
Answer: 69
- Operand1
- 50
- Operand2
- 19
- Operator
- +
60 + 21 = ___
Show answer
Answer: 81
- Operand1
- 60
- Operand2
- 21
- Operator
- +
13 + 44 = ___
Show answer
Answer: 57
- Operand1
- 13
- Operand2
- 44
- Operator
- +
12 + 15 = ___
Show answer
Answer: 27
- Operand1
- 12
- Operand2
- 15
- Operator
- +
20 + 27 = ___
Show answer
Answer: 47
- Operand1
- 20
- Operand2
- 27
- Operator
- +
13 + 13 = ___
Show answer
Answer: 26
- Operand1
- 13
- Operand2
- 13
- Operator
- +
30 + 67 = ___
Show answer
Answer: 97
- Operand1
- 30
- Operand2
- 67
- Operator
- +
23 + 45 = ___
Show answer
Answer: 68
- Operand1
- 23
- Operand2
- 45
- Operator
- +
21 + 36 = ___
Show answer
Answer: 57
- Operand1
- 21
- Operand2
- 36
- Operator
- +
52 + 45 = ___
Show answer
Answer: 97
- Operand1
- 52
- Operand2
- 45
- Operator
- +
31 + 68 = ___
Show answer
Answer: 99
- Operand1
- 31
- Operand2
- 68
- Operator
- +
86 + 12 = ___
Show answer
Answer: 98
- Operand1
- 86
- Operand2
- 12
- Operator
- +
26 + 70 = ___
Show answer
Answer: 96
- Operand1
- 26
- Operand2
- 70
- Operator
- +
53 + 12 = ___
Show answer
Answer: 65
- Operand1
- 53
- Operand2
- 12
- Operator
- +
24 + 73 = ___
Show answer
Answer: 97
- Operand1
- 24
- Operand2
- 73
- Operator
- +
20 + 38 = ___
Show answer
Answer: 58
- Operand1
- 20
- Operand2
- 38
- Operator
- +
21 + 10 = ___
Show answer
Answer: 31
- Operand1
- 21
- Operand2
- 10
- 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.