Fact Family Mixed Within 20 Write All — Set 80
Write the fact family for 7, 4, 11:
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Answer: 7 + 4 = 11; 4 + 7 = 11; 11 - 7 = 4; 11 - 4 = 7
- SubType
- fact-family
- Facts
- 7 + 4 = 11
- 4 + 7 = 11
- 11 - 7 = 4
- 11 - 4 = 7
- Difficulty
- normal
Write the fact family for 15, 3, 18:
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Answer: 15 + 3 = 18; 3 + 15 = 18; 18 - 15 = 3; 18 - 3 = 15
- SubType
- fact-family
- Facts
- 15 + 3 = 18
- 3 + 15 = 18
- 18 - 15 = 3
- 18 - 3 = 15
- Difficulty
- normal
Write the fact family for 9, 6, 15:
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Answer: 9 + 6 = 15; 6 + 9 = 15; 15 - 9 = 6; 15 - 6 = 9
- SubType
- fact-family
- Facts
- 9 + 6 = 15
- 6 + 9 = 15
- 15 - 9 = 6
- 15 - 6 = 9
- Difficulty
- normal
Write the fact family for 8, 6, 14:
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Answer: 8 + 6 = 14; 6 + 8 = 14; 14 - 8 = 6; 14 - 6 = 8
- SubType
- fact-family
- Facts
- 8 + 6 = 14
- 6 + 8 = 14
- 14 - 8 = 6
- 14 - 6 = 8
- Difficulty
- normal
Write the fact family for 3, 14, 17:
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Answer: 3 + 14 = 17; 14 + 3 = 17; 17 - 3 = 14; 17 - 14 = 3
- SubType
- fact-family
- Facts
- 3 + 14 = 17
- 14 + 3 = 17
- 17 - 3 = 14
- 17 - 14 = 3
- Difficulty
- normal
Write the fact family for 1, 18, 19:
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Answer: 1 + 18 = 19; 18 + 1 = 19; 19 - 1 = 18; 19 - 18 = 1
- SubType
- fact-family
- Facts
- 1 + 18 = 19
- 18 + 1 = 19
- 19 - 1 = 18
- 19 - 18 = 1
- Difficulty
- normal
Teaching Notes
Download this free fact family mixed 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 Mixed 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?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.