Fact Family Mul Div Within 20 Write All — Set 78
Write the fact family for 17, 3, 20:
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Answer: 17 + 3 = 20; 3 + 17 = 20; 20 - 17 = 3; 20 - 3 = 17
- SubType
- fact-family
- Facts
- 17 + 3 = 20
- 3 + 17 = 20
- 20 - 17 = 3
- 20 - 3 = 17
- Difficulty
- normal
Write the fact family for 3, 16, 19:
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Answer: 3 + 16 = 19; 16 + 3 = 19; 19 - 3 = 16; 19 - 16 = 3
- SubType
- fact-family
- Facts
- 3 + 16 = 19
- 16 + 3 = 19
- 19 - 3 = 16
- 19 - 16 = 3
- Difficulty
- normal
Write the fact family for 1, 12, 13:
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Answer: 1 + 12 = 13; 12 + 1 = 13; 13 - 1 = 12; 13 - 12 = 1
- SubType
- fact-family
- Facts
- 1 + 12 = 13
- 12 + 1 = 13
- 13 - 1 = 12
- 13 - 12 = 1
- Difficulty
- normal
Write the fact family for 8, 10, 18:
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Answer: 8 + 10 = 18; 10 + 8 = 18; 18 - 8 = 10; 18 - 10 = 8
- SubType
- fact-family
- Facts
- 8 + 10 = 18
- 10 + 8 = 18
- 18 - 8 = 10
- 18 - 10 = 8
- 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 4, 15, 19:
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Answer: 4 + 15 = 19; 15 + 4 = 19; 19 - 4 = 15; 19 - 15 = 4
- SubType
- fact-family
- Facts
- 4 + 15 = 19
- 15 + 4 = 19
- 19 - 4 = 15
- 19 - 15 = 4
- Difficulty
- normal
Teaching Notes
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Frequently Asked Questions
How do I use this Fact Family Mul Div 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.
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Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.