Fact Family Mixed Within 20 Write All — Set 55
Write the fact family for 19, 1, 20:
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Answer: 19 + 1 = 20; 1 + 19 = 20; 20 - 19 = 1; 20 - 1 = 19
- SubType
- fact-family
- Facts
- 19 + 1 = 20
- 1 + 19 = 20
- 20 - 19 = 1
- 20 - 1 = 19
- Difficulty
- normal
Write the fact family for 7, 13, 20:
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Answer: 7 + 13 = 20; 13 + 7 = 20; 20 - 7 = 13; 20 - 13 = 7
- SubType
- fact-family
- Facts
- 7 + 13 = 20
- 13 + 7 = 20
- 20 - 7 = 13
- 20 - 13 = 7
- Difficulty
- normal
Write the fact family for 4, 16, 20:
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Answer: 4 + 16 = 20; 16 + 4 = 20; 20 - 4 = 16; 20 - 16 = 4
- SubType
- fact-family
- Facts
- 4 + 16 = 20
- 16 + 4 = 20
- 20 - 4 = 16
- 20 - 16 = 4
- Difficulty
- normal
Write the fact family for 16, 1, 17:
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Answer: 16 + 1 = 17; 1 + 16 = 17; 17 - 16 = 1; 17 - 1 = 16
- SubType
- fact-family
- Facts
- 16 + 1 = 17
- 1 + 16 = 17
- 17 - 16 = 1
- 17 - 1 = 16
- Difficulty
- normal
Write the fact family for 7, 5, 12:
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Answer: 7 + 5 = 12; 5 + 7 = 12; 12 - 7 = 5; 12 - 5 = 7
- SubType
- fact-family
- Facts
- 7 + 5 = 12
- 5 + 7 = 12
- 12 - 7 = 5
- 12 - 5 = 7
- Difficulty
- normal
Write the fact family for 3, 9, 12:
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Answer: 3 + 9 = 12; 9 + 3 = 12; 12 - 3 = 9; 12 - 9 = 3
- SubType
- fact-family
- Facts
- 3 + 9 = 12
- 9 + 3 = 12
- 12 - 3 = 9
- 12 - 9 = 3
- 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.