Fact Family Add Sub Within 20 Write All — Set 67
Write the fact family for 1, 12, 13:
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Answer: 1 + 12 = 13; 12 + 1 = 13; 13 - 1 = 12; 13 - 12 = 1
- SubType
- fact-family
- Facts
- 1 + 12 = 13
- 12 + 1 = 13
- 13 - 1 = 12
- 13 - 12 = 1
- Difficulty
- normal
Write the fact family for 16, 1, 17:
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Answer: 16 + 1 = 17; 1 + 16 = 17; 17 - 16 = 1; 17 - 1 = 16
- SubType
- fact-family
- Facts
- 16 + 1 = 17
- 1 + 16 = 17
- 17 - 16 = 1
- 17 - 1 = 16
- Difficulty
- normal
Write the fact family for 13, 6, 19:
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Answer: 13 + 6 = 19; 6 + 13 = 19; 19 - 13 = 6; 19 - 6 = 13
- SubType
- fact-family
- Facts
- 13 + 6 = 19
- 6 + 13 = 19
- 19 - 13 = 6
- 19 - 6 = 13
- Difficulty
- normal
Write the fact family for 12, 2, 14:
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Answer: 12 + 2 = 14; 2 + 12 = 14; 14 - 12 = 2; 14 - 2 = 12
- SubType
- fact-family
- Facts
- 12 + 2 = 14
- 2 + 12 = 14
- 14 - 12 = 2
- 14 - 2 = 12
- Difficulty
- normal
Write the fact family for 12, 6, 18:
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Answer: 12 + 6 = 18; 6 + 12 = 18; 18 - 12 = 6; 18 - 6 = 12
- SubType
- fact-family
- Facts
- 12 + 6 = 18
- 6 + 12 = 18
- 18 - 12 = 6
- 18 - 6 = 12
- Difficulty
- normal
Write the fact family for 2, 9, 11:
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Answer: 2 + 9 = 11; 9 + 2 = 11; 11 - 2 = 9; 11 - 9 = 2
- SubType
- fact-family
- Facts
- 2 + 9 = 11
- 9 + 2 = 11
- 11 - 2 = 9
- 11 - 9 = 2
- 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?
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.
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Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.