Fact Family Mixed Within 20 Write All — Set 47
Write the fact family for 7, 8, 15:
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Answer: 7 + 8 = 15; 8 + 7 = 15; 15 - 7 = 8; 15 - 8 = 7
- SubType
- fact-family
- Facts
- 7 + 8 = 15
- 8 + 7 = 15
- 15 - 7 = 8
- 15 - 8 = 7
- Difficulty
- normal
Write the fact family for 5, 6, 11:
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Answer: 5 + 6 = 11; 6 + 5 = 11; 11 - 5 = 6; 11 - 6 = 5
- SubType
- fact-family
- Facts
- 5 + 6 = 11
- 6 + 5 = 11
- 11 - 5 = 6
- 11 - 6 = 5
- Difficulty
- normal
Write the fact family for 5, 15, 20:
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Answer: 5 + 15 = 20; 15 + 5 = 20; 20 - 5 = 15; 20 - 15 = 5
- SubType
- fact-family
- Facts
- 5 + 15 = 20
- 15 + 5 = 20
- 20 - 5 = 15
- 20 - 15 = 5
- Difficulty
- normal
Write the fact family for 17, 1, 18:
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Answer: 17 + 1 = 18; 1 + 17 = 18; 18 - 17 = 1; 18 - 1 = 17
- SubType
- fact-family
- Facts
- 17 + 1 = 18
- 1 + 17 = 18
- 18 - 17 = 1
- 18 - 1 = 17
- Difficulty
- normal
Write the fact family for 7, 2, 9:
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Answer: 7 + 2 = 9; 2 + 7 = 9; 9 - 7 = 2; 9 - 2 = 7
- SubType
- fact-family
- Facts
- 7 + 2 = 9
- 2 + 7 = 9
- 9 - 7 = 2
- 9 - 2 = 7
- Difficulty
- normal
Write the fact family for 15, 1, 16:
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Answer: 15 + 1 = 16; 1 + 15 = 16; 16 - 15 = 1; 16 - 1 = 15
- SubType
- fact-family
- Facts
- 15 + 1 = 16
- 1 + 15 = 16
- 16 - 15 = 1
- 16 - 1 = 15
- 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.