Fact Family Mixed Within 20 Write All — Set 85
Write the fact family for 6, 2, 8:
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Answer: 6 + 2 = 8; 2 + 6 = 8; 8 - 6 = 2; 8 - 2 = 6
- SubType
- fact-family
- Facts
- 6 + 2 = 8
- 2 + 6 = 8
- 8 - 6 = 2
- 8 - 2 = 6
- Difficulty
- normal
Write the fact family for 2, 1, 3:
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Answer: 2 + 1 = 3; 1 + 2 = 3; 3 - 2 = 1; 3 - 1 = 2
- SubType
- fact-family
- Facts
- 2 + 1 = 3
- 1 + 2 = 3
- 3 - 2 = 1
- 3 - 1 = 2
- Difficulty
- normal
Write the fact family for 8, 4, 12:
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Answer: 8 + 4 = 12; 4 + 8 = 12; 12 - 8 = 4; 12 - 4 = 8
- SubType
- fact-family
- Facts
- 8 + 4 = 12
- 4 + 8 = 12
- 12 - 8 = 4
- 12 - 4 = 8
- Difficulty
- normal
Write the fact family for 18, 1, 19:
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Answer: 18 + 1 = 19; 1 + 18 = 19; 19 - 18 = 1; 19 - 1 = 18
- SubType
- fact-family
- Facts
- 18 + 1 = 19
- 1 + 18 = 19
- 19 - 18 = 1
- 19 - 1 = 18
- Difficulty
- normal
Write the fact family for 15, 5, 20:
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Answer: 15 + 5 = 20; 5 + 15 = 20; 20 - 15 = 5; 20 - 5 = 15
- SubType
- fact-family
- Facts
- 15 + 5 = 20
- 5 + 15 = 20
- 20 - 15 = 5
- 20 - 5 = 15
- Difficulty
- normal
Write the fact family for 6, 11, 17:
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Answer: 6 + 11 = 17; 11 + 6 = 17; 17 - 6 = 11; 17 - 11 = 6
- SubType
- fact-family
- Facts
- 6 + 11 = 17
- 11 + 6 = 17
- 17 - 6 = 11
- 17 - 11 = 6
- 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.