Fact Family Mixed Within 20 Write All — Set 45
Write the fact family for 14, 5, 19:
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Answer: 14 + 5 = 19; 5 + 14 = 19; 19 - 14 = 5; 19 - 5 = 14
- SubType
- fact-family
- Facts
- 14 + 5 = 19
- 5 + 14 = 19
- 19 - 14 = 5
- 19 - 5 = 14
- Difficulty
- normal
Write the fact family for 9, 11, 20:
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Answer: 9 + 11 = 20; 11 + 9 = 20; 20 - 9 = 11; 20 - 11 = 9
- SubType
- fact-family
- Facts
- 9 + 11 = 20
- 11 + 9 = 20
- 20 - 9 = 11
- 20 - 11 = 9
- Difficulty
- normal
Write the fact family for 11, 1, 12:
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Answer: 11 + 1 = 12; 1 + 11 = 12; 12 - 11 = 1; 12 - 1 = 11
- SubType
- fact-family
- Facts
- 11 + 1 = 12
- 1 + 11 = 12
- 12 - 11 = 1
- 12 - 1 = 11
- Difficulty
- normal
Write the fact family for 9, 2, 11:
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Answer: 9 + 2 = 11; 2 + 9 = 11; 11 - 9 = 2; 11 - 2 = 9
- SubType
- fact-family
- Facts
- 9 + 2 = 11
- 2 + 9 = 11
- 11 - 9 = 2
- 11 - 2 = 9
- Difficulty
- normal
Write the fact family for 5, 8, 13:
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Answer: 5 + 8 = 13; 8 + 5 = 13; 13 - 5 = 8; 13 - 8 = 5
- SubType
- fact-family
- Facts
- 5 + 8 = 13
- 8 + 5 = 13
- 13 - 5 = 8
- 13 - 8 = 5
- Difficulty
- normal
Write the fact family for 9, 8, 17:
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Answer: 9 + 8 = 17; 8 + 9 = 17; 17 - 9 = 8; 17 - 8 = 9
- SubType
- fact-family
- Facts
- 9 + 8 = 17
- 8 + 9 = 17
- 17 - 9 = 8
- 17 - 8 = 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.