Fact Family Mixed Within 20 Write All — Set 34
Write the fact family for 13, 7, 20:
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Answer: 13 + 7 = 20; 7 + 13 = 20; 20 - 13 = 7; 20 - 7 = 13
- SubType
- fact-family
- Facts
- 13 + 7 = 20
- 7 + 13 = 20
- 20 - 13 = 7
- 20 - 7 = 13
- Difficulty
- normal
Write the fact family for 4, 1, 5:
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Answer: 4 + 1 = 5; 1 + 4 = 5; 5 - 4 = 1; 5 - 1 = 4
- SubType
- fact-family
- Facts
- 4 + 1 = 5
- 1 + 4 = 5
- 5 - 4 = 1
- 5 - 1 = 4
- Difficulty
- normal
Write the fact family for 4, 9, 13:
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Answer: 4 + 9 = 13; 9 + 4 = 13; 13 - 4 = 9; 13 - 9 = 4
- SubType
- fact-family
- Facts
- 4 + 9 = 13
- 9 + 4 = 13
- 13 - 4 = 9
- 13 - 9 = 4
- Difficulty
- normal
Write the fact family for 8, 11, 19:
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Answer: 8 + 11 = 19; 11 + 8 = 19; 19 - 8 = 11; 19 - 11 = 8
- SubType
- fact-family
- Facts
- 8 + 11 = 19
- 11 + 8 = 19
- 19 - 8 = 11
- 19 - 11 = 8
- Difficulty
- normal
Write the fact family for 3, 5, 8:
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Answer: 3 + 5 = 8; 5 + 3 = 8; 8 - 3 = 5; 8 - 5 = 3
- SubType
- fact-family
- Facts
- 3 + 5 = 8
- 5 + 3 = 8
- 8 - 3 = 5
- 8 - 5 = 3
- Difficulty
- normal
Write the fact family for 6, 12, 18:
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Answer: 6 + 12 = 18; 12 + 6 = 18; 18 - 6 = 12; 18 - 12 = 6
- SubType
- fact-family
- Facts
- 6 + 12 = 18
- 12 + 6 = 18
- 18 - 6 = 12
- 18 - 12 = 6
- Difficulty
- normal
Teaching Notes
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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.