Fact Family Mixed Within 20 Write All — Set 66
Write the fact family for 10, 8, 18:
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Answer: 10 + 8 = 18; 8 + 10 = 18; 18 - 10 = 8; 18 - 8 = 10
- SubType
- fact-family
- Facts
- 10 + 8 = 18
- 8 + 10 = 18
- 18 - 10 = 8
- 18 - 8 = 10
- Difficulty
- normal
Write the fact family for 7, 4, 11:
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Answer: 7 + 4 = 11; 4 + 7 = 11; 11 - 7 = 4; 11 - 4 = 7
- SubType
- fact-family
- Facts
- 7 + 4 = 11
- 4 + 7 = 11
- 11 - 7 = 4
- 11 - 4 = 7
- 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 5, 14, 19:
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Answer: 5 + 14 = 19; 14 + 5 = 19; 19 - 5 = 14; 19 - 14 = 5
- SubType
- fact-family
- Facts
- 5 + 14 = 19
- 14 + 5 = 19
- 19 - 5 = 14
- 19 - 14 = 5
- 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
Write the fact family for 13, 6, 19:
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Answer: 13 + 6 = 19; 6 + 13 = 19; 19 - 13 = 6; 19 - 6 = 13
- SubType
- fact-family
- Facts
- 13 + 6 = 19
- 6 + 13 = 19
- 19 - 13 = 6
- 19 - 6 = 13
- 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.