Fact Family Add Sub Within 20 Write All — Set 60
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
Write the fact family for 2, 16, 18:
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Answer: 2 + 16 = 18; 16 + 2 = 18; 18 - 2 = 16; 18 - 16 = 2
- SubType
- fact-family
- Facts
- 2 + 16 = 18
- 16 + 2 = 18
- 18 - 2 = 16
- 18 - 16 = 2
- Difficulty
- normal
Write the fact family for 2, 2, 4:
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Answer: 2 + 2 = 4; 2 + 2 = 4; 4 - 2 = 2; 4 - 2 = 2
- SubType
- fact-family
- Facts
- 2 + 2 = 4
- 2 + 2 = 4
- 4 - 2 = 2
- 4 - 2 = 2
- 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 8, 2, 10:
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Answer: 8 + 2 = 10; 2 + 8 = 10; 10 - 8 = 2; 10 - 2 = 8
- SubType
- fact-family
- Facts
- 8 + 2 = 10
- 2 + 8 = 10
- 10 - 8 = 2
- 10 - 2 = 8
- 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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