Fact Family Mixed Within 20 Write All — Set 61
Write the fact family for 8, 7, 15:
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Answer: 8 + 7 = 15; 7 + 8 = 15; 15 - 8 = 7; 15 - 7 = 8
- SubType
- fact-family
- Facts
- 8 + 7 = 15
- 7 + 8 = 15
- 15 - 8 = 7
- 15 - 7 = 8
- Difficulty
- normal
Write the fact family for 14, 6, 20:
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Answer: 14 + 6 = 20; 6 + 14 = 20; 20 - 14 = 6; 20 - 6 = 14
- SubType
- fact-family
- Facts
- 14 + 6 = 20
- 6 + 14 = 20
- 20 - 14 = 6
- 20 - 6 = 14
- Difficulty
- normal
Write the fact family for 10, 9, 19:
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Answer: 10 + 9 = 19; 9 + 10 = 19; 19 - 10 = 9; 19 - 9 = 10
- SubType
- fact-family
- Facts
- 10 + 9 = 19
- 9 + 10 = 19
- 19 - 10 = 9
- 19 - 9 = 10
- Difficulty
- normal
Write the fact family for 9, 9, 18:
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Answer: 9 + 9 = 18; 9 + 9 = 18; 18 - 9 = 9; 18 - 9 = 9
- SubType
- fact-family
- Facts
- 9 + 9 = 18
- 9 + 9 = 18
- 18 - 9 = 9
- 18 - 9 = 9
- Difficulty
- normal
Write the fact family for 3, 15, 18:
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Answer: 3 + 15 = 18; 15 + 3 = 18; 18 - 3 = 15; 18 - 15 = 3
- SubType
- fact-family
- Facts
- 3 + 15 = 18
- 15 + 3 = 18
- 18 - 3 = 15
- 18 - 15 = 3
- Difficulty
- normal
Write the fact family for 9, 7, 16:
Show answer
Answer: 9 + 7 = 16; 7 + 9 = 16; 16 - 9 = 7; 16 - 7 = 9
- SubType
- fact-family
- Facts
- 9 + 7 = 16
- 7 + 9 = 16
- 16 - 9 = 7
- 16 - 7 = 9
- 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.