Fact Family Add Sub Within 20 Write All — Set 51
Write the fact family for 10, 1, 11:
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Answer: 10 + 1 = 11; 1 + 10 = 11; 11 - 10 = 1; 11 - 1 = 10
- SubType
- fact-family
- Facts
- 10 + 1 = 11
- 1 + 10 = 11
- 11 - 10 = 1
- 11 - 1 = 10
- Difficulty
- normal
Write the fact family for 13, 5, 18:
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Answer: 13 + 5 = 18; 5 + 13 = 18; 18 - 13 = 5; 18 - 5 = 13
- SubType
- fact-family
- Facts
- 13 + 5 = 18
- 5 + 13 = 18
- 18 - 13 = 5
- 18 - 5 = 13
- Difficulty
- normal
Write the fact family for 8, 9, 17:
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Answer: 8 + 9 = 17; 9 + 8 = 17; 17 - 8 = 9; 17 - 9 = 8
- SubType
- fact-family
- Facts
- 8 + 9 = 17
- 9 + 8 = 17
- 17 - 8 = 9
- 17 - 9 = 8
- Difficulty
- normal
Write the fact family for 8, 2, 10:
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Answer: 8 + 2 = 10; 2 + 8 = 10; 10 - 8 = 2; 10 - 2 = 8
- SubType
- fact-family
- Facts
- 8 + 2 = 10
- 2 + 8 = 10
- 10 - 8 = 2
- 10 - 2 = 8
- Difficulty
- normal
Write the fact family for 8, 7, 15:
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Answer: 8 + 7 = 15; 7 + 8 = 15; 15 - 8 = 7; 15 - 7 = 8
- SubType
- fact-family
- Facts
- 8 + 7 = 15
- 7 + 8 = 15
- 15 - 8 = 7
- 15 - 7 = 8
- Difficulty
- normal
Write the fact family for 18, 2, 20:
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Answer: 18 + 2 = 20; 2 + 18 = 20; 20 - 18 = 2; 20 - 2 = 18
- SubType
- fact-family
- Facts
- 18 + 2 = 20
- 2 + 18 = 20
- 20 - 18 = 2
- 20 - 2 = 18
- Difficulty
- normal
Teaching Notes
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How do I use this Fact Family Add Sub Within 20 Write All Math Worksheet worksheet?
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