Fact Family Add Sub Within 20 Fill Blanks — Set 46
Write the fact family for 10, 6, 16:
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Answer: 10 + 6 = 16; 6 + 10 = 16; 16 - 10 = 6; 16 - 6 = 10
- SubType
- fact-family
- Facts
- 10 + 6 = 16
- 6 + 10 = 16
- 16 - 10 = 6
- 16 - 6 = 10
- Difficulty
- normal
Write the fact family for 9, 11, 20:
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Answer: 9 + 11 = 20; 11 + 9 = 20; 20 - 9 = 11; 20 - 11 = 9
- SubType
- fact-family
- Facts
- 9 + 11 = 20
- 11 + 9 = 20
- 20 - 9 = 11
- 20 - 11 = 9
- Difficulty
- normal
Write the fact family for 14, 2, 16:
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Answer: 14 + 2 = 16; 2 + 14 = 16; 16 - 14 = 2; 16 - 2 = 14
- SubType
- fact-family
- Facts
- 14 + 2 = 16
- 2 + 14 = 16
- 16 - 14 = 2
- 16 - 2 = 14
- Difficulty
- normal
Write the fact family for 11, 5, 16:
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Answer: 11 + 5 = 16; 5 + 11 = 16; 16 - 11 = 5; 16 - 5 = 11
- SubType
- fact-family
- Facts
- 11 + 5 = 16
- 5 + 11 = 16
- 16 - 11 = 5
- 16 - 5 = 11
- Difficulty
- normal
Write the fact family for 19, 1, 20:
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Answer: 19 + 1 = 20; 1 + 19 = 20; 20 - 19 = 1; 20 - 1 = 19
- SubType
- fact-family
- Facts
- 19 + 1 = 20
- 1 + 19 = 20
- 20 - 19 = 1
- 20 - 1 = 19
- Difficulty
- normal
Write the fact family for 8, 1, 9:
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Answer: 8 + 1 = 9; 1 + 8 = 9; 9 - 8 = 1; 9 - 1 = 8
- SubType
- fact-family
- Facts
- 8 + 1 = 9
- 1 + 8 = 9
- 9 - 8 = 1
- 9 - 1 = 8
- Difficulty
- normal
Teaching Notes
Download this free fact family add sub within 20 fill blanks math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.
Frequently Asked Questions
How do I use this Fact Family Add Sub Within 20 Fill Blanks 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.