Fact Family Add Sub Within 20 Write All — Set 81
Write the fact family for 14, 1, 15:
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Answer: 14 + 1 = 15; 1 + 14 = 15; 15 - 14 = 1; 15 - 1 = 14
- SubType
- fact-family
- Facts
- 14 + 1 = 15
- 1 + 14 = 15
- 15 - 14 = 1
- 15 - 1 = 14
- Difficulty
- normal
Write the fact family for 3, 1, 4:
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Answer: 3 + 1 = 4; 1 + 3 = 4; 4 - 3 = 1; 4 - 1 = 3
- SubType
- fact-family
- Facts
- 3 + 1 = 4
- 1 + 3 = 4
- 4 - 3 = 1
- 4 - 1 = 3
- Difficulty
- normal
Write the fact family for 10, 4, 14:
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Answer: 10 + 4 = 14; 4 + 10 = 14; 14 - 10 = 4; 14 - 4 = 10
- SubType
- fact-family
- Facts
- 10 + 4 = 14
- 4 + 10 = 14
- 14 - 10 = 4
- 14 - 4 = 10
- Difficulty
- normal
Write the fact family for 11, 8, 19:
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Answer: 11 + 8 = 19; 8 + 11 = 19; 19 - 11 = 8; 19 - 8 = 11
- SubType
- fact-family
- Facts
- 11 + 8 = 19
- 8 + 11 = 19
- 19 - 11 = 8
- 19 - 8 = 11
- Difficulty
- normal
Write the fact family for 10, 8, 18:
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Answer: 10 + 8 = 18; 8 + 10 = 18; 18 - 10 = 8; 18 - 8 = 10
- SubType
- fact-family
- Facts
- 10 + 8 = 18
- 8 + 10 = 18
- 18 - 10 = 8
- 18 - 8 = 10
- Difficulty
- normal
Write the fact family for 5, 13, 18:
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Answer: 5 + 13 = 18; 13 + 5 = 18; 18 - 5 = 13; 18 - 13 = 5
- SubType
- fact-family
- Facts
- 5 + 13 = 18
- 13 + 5 = 18
- 18 - 5 = 13
- 18 - 13 = 5
- Difficulty
- normal
Teaching Notes
Download this free fact family add sub within 20 write all 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 Write All Math Worksheet worksheet?
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