Fact Family Add Sub Within 20 Write All — Set 72
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 6, 1, 7:
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Answer: 6 + 1 = 7; 1 + 6 = 7; 7 - 6 = 1; 7 - 1 = 6
- SubType
- fact-family
- Facts
- 6 + 1 = 7
- 1 + 6 = 7
- 7 - 6 = 1
- 7 - 1 = 6
- Difficulty
- normal
Write the fact family for 13, 5, 18:
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Answer: 13 + 5 = 18; 5 + 13 = 18; 18 - 13 = 5; 18 - 5 = 13
- SubType
- fact-family
- Facts
- 13 + 5 = 18
- 5 + 13 = 18
- 18 - 13 = 5
- 18 - 5 = 13
- Difficulty
- normal
Write the fact family for 2, 17, 19:
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Answer: 2 + 17 = 19; 17 + 2 = 19; 19 - 2 = 17; 19 - 17 = 2
- SubType
- fact-family
- Facts
- 2 + 17 = 19
- 17 + 2 = 19
- 19 - 2 = 17
- 19 - 17 = 2
- Difficulty
- normal
Write the fact family for 1, 15, 16:
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Answer: 1 + 15 = 16; 15 + 1 = 16; 16 - 1 = 15; 16 - 15 = 1
- SubType
- fact-family
- Facts
- 1 + 15 = 16
- 15 + 1 = 16
- 16 - 1 = 15
- 16 - 15 = 1
- Difficulty
- normal
Write the fact family for 11, 4, 15:
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Answer: 11 + 4 = 15; 4 + 11 = 15; 15 - 11 = 4; 15 - 4 = 11
- SubType
- fact-family
- Facts
- 11 + 4 = 15
- 4 + 11 = 15
- 15 - 11 = 4
- 15 - 4 = 11
- 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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