Fact Family Add Sub Within 20 Write All — Set 23
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 10, 5, 15:
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Answer: 10 + 5 = 15; 5 + 10 = 15; 15 - 10 = 5; 15 - 5 = 10
- SubType
- fact-family
- Facts
- 10 + 5 = 15
- 5 + 10 = 15
- 15 - 10 = 5
- 15 - 5 = 10
- Difficulty
- normal
Write the fact family for 7, 10, 17:
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Answer: 7 + 10 = 17; 10 + 7 = 17; 17 - 7 = 10; 17 - 10 = 7
- SubType
- fact-family
- Facts
- 7 + 10 = 17
- 10 + 7 = 17
- 17 - 7 = 10
- 17 - 10 = 7
- Difficulty
- normal
Write the fact family for 2, 3, 5:
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Answer: 2 + 3 = 5; 3 + 2 = 5; 5 - 2 = 3; 5 - 3 = 2
- SubType
- fact-family
- Facts
- 2 + 3 = 5
- 3 + 2 = 5
- 5 - 2 = 3
- 5 - 3 = 2
- Difficulty
- normal
Write the fact family for 8, 12, 20:
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Answer: 8 + 12 = 20; 12 + 8 = 20; 20 - 8 = 12; 20 - 12 = 8
- SubType
- fact-family
- Facts
- 8 + 12 = 20
- 12 + 8 = 20
- 20 - 8 = 12
- 20 - 12 = 8
- Difficulty
- normal
Write the fact family for 14, 6, 20:
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Answer: 14 + 6 = 20; 6 + 14 = 20; 20 - 14 = 6; 20 - 6 = 14
- SubType
- fact-family
- Facts
- 14 + 6 = 20
- 6 + 14 = 20
- 20 - 14 = 6
- 20 - 6 = 14
- 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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