Fact Family Mixed Within 20 Write All — Set 37
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 4, 8, 12:
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Answer: 4 + 8 = 12; 8 + 4 = 12; 12 - 4 = 8; 12 - 8 = 4
- SubType
- fact-family
- Facts
- 4 + 8 = 12
- 8 + 4 = 12
- 12 - 4 = 8
- 12 - 8 = 4
- Difficulty
- normal
Write the fact family for 10, 6, 16:
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Answer: 10 + 6 = 16; 6 + 10 = 16; 16 - 10 = 6; 16 - 6 = 10
- SubType
- fact-family
- Facts
- 10 + 6 = 16
- 6 + 10 = 16
- 16 - 10 = 6
- 16 - 6 = 10
- Difficulty
- normal
Write the fact family for 11, 6, 17:
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Answer: 11 + 6 = 17; 6 + 11 = 17; 17 - 11 = 6; 17 - 6 = 11
- SubType
- fact-family
- Facts
- 11 + 6 = 17
- 6 + 11 = 17
- 17 - 11 = 6
- 17 - 6 = 11
- Difficulty
- normal
Write the fact family for 12, 5, 17:
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Answer: 12 + 5 = 17; 5 + 12 = 17; 17 - 12 = 5; 17 - 5 = 12
- SubType
- fact-family
- Facts
- 12 + 5 = 17
- 5 + 12 = 17
- 17 - 12 = 5
- 17 - 5 = 12
- Difficulty
- normal
Write the fact family for 16, 2, 18:
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Answer: 16 + 2 = 18; 2 + 16 = 18; 18 - 16 = 2; 18 - 2 = 16
- SubType
- fact-family
- Facts
- 16 + 2 = 18
- 2 + 16 = 18
- 18 - 16 = 2
- 18 - 2 = 16
- 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.