Fact Family Add Sub Within 20 Write All — Set 22
Write the fact family for 16, 3, 19:
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Answer: 16 + 3 = 19; 3 + 16 = 19; 19 - 16 = 3; 19 - 3 = 16
- SubType
- fact-family
- Facts
- 16 + 3 = 19
- 3 + 16 = 19
- 19 - 16 = 3
- 19 - 3 = 16
- Difficulty
- normal
Write the fact family for 12, 4, 16:
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Answer: 12 + 4 = 16; 4 + 12 = 16; 16 - 12 = 4; 16 - 4 = 12
- SubType
- fact-family
- Facts
- 12 + 4 = 16
- 4 + 12 = 16
- 16 - 12 = 4
- 16 - 4 = 12
- Difficulty
- normal
Write the fact family for 11, 9, 20:
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Answer: 11 + 9 = 20; 9 + 11 = 20; 20 - 11 = 9; 20 - 9 = 11
- SubType
- fact-family
- Facts
- 11 + 9 = 20
- 9 + 11 = 20
- 20 - 11 = 9
- 20 - 9 = 11
- Difficulty
- normal
Write the fact family for 11, 1, 12:
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Answer: 11 + 1 = 12; 1 + 11 = 12; 12 - 11 = 1; 12 - 1 = 11
- SubType
- fact-family
- Facts
- 11 + 1 = 12
- 1 + 11 = 12
- 12 - 11 = 1
- 12 - 1 = 11
- Difficulty
- normal
Write the fact family for 18, 2, 20:
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Answer: 18 + 2 = 20; 2 + 18 = 20; 20 - 18 = 2; 20 - 2 = 18
- SubType
- fact-family
- Facts
- 18 + 2 = 20
- 2 + 18 = 20
- 20 - 18 = 2
- 20 - 2 = 18
- Difficulty
- normal
Write the fact family for 1, 14, 15:
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Answer: 1 + 14 = 15; 14 + 1 = 15; 15 - 1 = 14; 15 - 14 = 1
- SubType
- fact-family
- Facts
- 1 + 14 = 15
- 14 + 1 = 15
- 15 - 1 = 14
- 15 - 14 = 1
- 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.
Is there an answer key?
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