Number Bonds Addition Within 20 Fill Both — Set 4
Exercise 1
Show answer
Answer: Array, Array, Array, Array, Array
- Operation
- addition
- Target
- 10
- Mode
- fill_both
- ValidPairs
- [1,9]
- [2,8]
- [3,7]
- [4,6]
- [5,5]
Exercise 2
Show answer
Answer: Array, Array
- Operation
- addition
- Target
- 5
- Mode
- fill_both
- ValidPairs
- [1,4]
- [2,3]
Exercise 3
Show answer
Answer: Array, Array, Array, Array, Array
- Operation
- addition
- Target
- 11
- Mode
- fill_both
- ValidPairs
- [1,10]
- [2,9]
- [3,8]
- [4,7]
- [5,6]
Exercise 4
Show answer
Answer: Array, Array, Array, Array, Array, Array, Array
- Operation
- addition
- Target
- 15
- Mode
- fill_both
- ValidPairs
- [1,14]
- [2,13]
- [3,12]
- [4,11]
- [5,10]
- [6,9]
- [7,8]
Exercise 5
Show answer
Answer: Array, Array, Array, Array, Array, Array, Array
- Operation
- addition
- Target
- 15
- Mode
- fill_both
- ValidPairs
- [1,14]
- [2,13]
- [3,12]
- [4,11]
- [5,10]
- [6,9]
- [7,8]
Exercise 6
Show answer
Answer: Array, Array, Array, Array
- Operation
- addition
- Target
- 9
- Mode
- fill_both
- ValidPairs
- [1,8]
- [2,7]
- [3,6]
- [4,5]
Exercise 7
Show answer
Answer: Array, Array, Array, Array, Array, Array
- Operation
- addition
- Target
- 12
- Mode
- fill_both
- ValidPairs
- [1,11]
- [2,10]
- [3,9]
- [4,8]
- [5,7]
- [6,6]
Exercise 8
Show answer
Answer: Array, Array, Array, Array, Array, Array, Array
- Operation
- addition
- Target
- 15
- Mode
- fill_both
- ValidPairs
- [1,14]
- [2,13]
- [3,12]
- [4,11]
- [5,10]
- [6,9]
- [7,8]
Teaching Notes
Download this free number bonds addition within 20 fill both math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.
Frequently Asked Questions
How do I use this Number Bonds Addition Within 20 Fill Both 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.