Fact Family Add Sub Within 20 Write All — Set 42
Write the fact family for 1, 16, 17:
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Answer: 1 + 16 = 17; 16 + 1 = 17; 17 - 1 = 16; 17 - 16 = 1
- SubType
- fact-family
- Facts
- 1 + 16 = 17
- 16 + 1 = 17
- 17 - 1 = 16
- 17 - 16 = 1
- Difficulty
- normal
Write the fact family for 14, 1, 15:
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Answer: 14 + 1 = 15; 1 + 14 = 15; 15 - 14 = 1; 15 - 1 = 14
- SubType
- fact-family
- Facts
- 14 + 1 = 15
- 1 + 14 = 15
- 15 - 14 = 1
- 15 - 1 = 14
- Difficulty
- normal
Write the fact family for 11, 2, 13:
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Answer: 11 + 2 = 13; 2 + 11 = 13; 13 - 11 = 2; 13 - 2 = 11
- SubType
- fact-family
- Facts
- 11 + 2 = 13
- 2 + 11 = 13
- 13 - 11 = 2
- 13 - 2 = 11
- Difficulty
- normal
Write the fact family for 1, 8, 9:
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Answer: 1 + 8 = 9; 8 + 1 = 9; 9 - 1 = 8; 9 - 8 = 1
- SubType
- fact-family
- Facts
- 1 + 8 = 9
- 8 + 1 = 9
- 9 - 1 = 8
- 9 - 8 = 1
- Difficulty
- normal
Write the fact family for 7, 11, 18:
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Answer: 7 + 11 = 18; 11 + 7 = 18; 18 - 7 = 11; 18 - 11 = 7
- SubType
- fact-family
- Facts
- 7 + 11 = 18
- 11 + 7 = 18
- 18 - 7 = 11
- 18 - 11 = 7
- Difficulty
- normal
Write the fact family for 7, 9, 16:
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Answer: 7 + 9 = 16; 9 + 7 = 16; 16 - 7 = 9; 16 - 9 = 7
- SubType
- fact-family
- Facts
- 7 + 9 = 16
- 9 + 7 = 16
- 16 - 7 = 9
- 16 - 9 = 7
- Difficulty
- normal
Teaching Notes
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Frequently Asked Questions
How do I use this Fact Family Add Sub Within 20 Write All Math Worksheet worksheet?
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