Workbook Detail
Addition Special Types Missing Addend — Set 78
15 + 20 = ___
Show answer
Answer: 35
- Operand1
- 15
- Operand2
- 20
- Operator
- +
38 + 20 = ___
Show answer
Answer: 58
- Operand1
- 38
- Operand2
- 20
- Operator
- +
32 + 46 = ___
Show answer
Answer: 78
- Operand1
- 32
- Operand2
- 46
- Operator
- +
33 + 24 = ___
Show answer
Answer: 57
- Operand1
- 33
- Operand2
- 24
- Operator
- +
48 + 30 = ___
Show answer
Answer: 78
- Operand1
- 48
- Operand2
- 30
- Operator
- +
70 + 28 = ___
Show answer
Answer: 98
- Operand1
- 70
- Operand2
- 28
- Operator
- +
47 + 22 = ___
Show answer
Answer: 69
- Operand1
- 47
- Operand2
- 22
- Operator
- +
53 + 25 = ___
Show answer
Answer: 78
- Operand1
- 53
- Operand2
- 25
- Operator
- +
62 + 31 = ___
Show answer
Answer: 93
- Operand1
- 62
- Operand2
- 31
- Operator
- +
42 + 36 = ___
Show answer
Answer: 78
- Operand1
- 42
- Operand2
- 36
- Operator
- +
47 + 10 = ___
Show answer
Answer: 57
- Operand1
- 47
- Operand2
- 10
- Operator
- +
53 + 22 = ___
Show answer
Answer: 75
- Operand1
- 53
- Operand2
- 22
- Operator
- +
55 + 14 = ___
Show answer
Answer: 69
- Operand1
- 55
- Operand2
- 14
- Operator
- +
70 + 20 = ___
Show answer
Answer: 90
- Operand1
- 70
- Operand2
- 20
- Operator
- +
12 + 73 = ___
Show answer
Answer: 85
- Operand1
- 12
- Operand2
- 73
- Operator
- +
62 + 16 = ___
Show answer
Answer: 78
- Operand1
- 62
- Operand2
- 16
- Operator
- +
51 + 21 = ___
Show answer
Answer: 72
- Operand1
- 51
- Operand2
- 21
- Operator
- +
30 + 60 = ___
Show answer
Answer: 90
- Operand1
- 30
- Operand2
- 60
- Operator
- +
52 + 27 = ___
Show answer
Answer: 79
- Operand1
- 52
- Operand2
- 27
- Operator
- +
24 + 33 = ___
Show answer
Answer: 57
- Operand1
- 24
- 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.