Fact Family Mixed Within 20 Write All — Set 64
Write the fact family for 1, 7, 8:
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Answer: 1 + 7 = 8; 7 + 1 = 8; 8 - 1 = 7; 8 - 7 = 1
- SubType
- fact-family
- Facts
- 1 + 7 = 8
- 7 + 1 = 8
- 8 - 1 = 7
- 8 - 7 = 1
- 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 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 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 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 4, 3, 7:
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Answer: 4 + 3 = 7; 3 + 4 = 7; 7 - 4 = 3; 7 - 3 = 4
- SubType
- fact-family
- Facts
- 4 + 3 = 7
- 3 + 4 = 7
- 7 - 4 = 3
- 7 - 3 = 4
- 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.