Fact Family Mixed Within 20 Write All — Set 21
Write the fact family for 2, 11, 13:
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Answer: 2 + 11 = 13; 11 + 2 = 13; 13 - 2 = 11; 13 - 11 = 2
- SubType
- fact-family
- Facts
- 2 + 11 = 13
- 11 + 2 = 13
- 13 - 2 = 11
- 13 - 11 = 2
- Difficulty
- normal
Write the fact family for 2, 9, 11:
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Answer: 2 + 9 = 11; 9 + 2 = 11; 11 - 2 = 9; 11 - 9 = 2
- SubType
- fact-family
- Facts
- 2 + 9 = 11
- 9 + 2 = 11
- 11 - 2 = 9
- 11 - 9 = 2
- Difficulty
- normal
Write the fact family for 1, 5, 6:
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Answer: 1 + 5 = 6; 5 + 1 = 6; 6 - 1 = 5; 6 - 5 = 1
- SubType
- fact-family
- Facts
- 1 + 5 = 6
- 5 + 1 = 6
- 6 - 1 = 5
- 6 - 5 = 1
- Difficulty
- normal
Write the fact family for 12, 8, 20:
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Answer: 12 + 8 = 20; 8 + 12 = 20; 20 - 12 = 8; 20 - 8 = 12
- SubType
- fact-family
- Facts
- 12 + 8 = 20
- 8 + 12 = 20
- 20 - 12 = 8
- 20 - 8 = 12
- Difficulty
- normal
Write the fact family for 10, 7, 17:
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Answer: 10 + 7 = 17; 7 + 10 = 17; 17 - 10 = 7; 17 - 7 = 10
- SubType
- fact-family
- Facts
- 10 + 7 = 17
- 7 + 10 = 17
- 17 - 10 = 7
- 17 - 7 = 10
- Difficulty
- normal
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
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.