Fact Family Add Sub Within 20 Write All — Set 47
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 3, 9, 12:
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Answer: 3 + 9 = 12; 9 + 3 = 12; 12 - 3 = 9; 12 - 9 = 3
- SubType
- fact-family
- Facts
- 3 + 9 = 12
- 9 + 3 = 12
- 12 - 3 = 9
- 12 - 9 = 3
- Difficulty
- normal
Write the fact family for 1, 9, 10:
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Answer: 1 + 9 = 10; 9 + 1 = 10; 10 - 1 = 9; 10 - 9 = 1
- SubType
- fact-family
- Facts
- 1 + 9 = 10
- 9 + 1 = 10
- 10 - 1 = 9
- 10 - 9 = 1
- Difficulty
- normal
Write the fact family for 8, 8, 16:
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Answer: 8 + 8 = 16; 8 + 8 = 16; 16 - 8 = 8; 16 - 8 = 8
- SubType
- fact-family
- Facts
- 8 + 8 = 16
- 8 + 8 = 16
- 16 - 8 = 8
- 16 - 8 = 8
- Difficulty
- normal
Write the fact family for 8, 3, 11:
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Answer: 8 + 3 = 11; 3 + 8 = 11; 11 - 8 = 3; 11 - 3 = 8
- SubType
- fact-family
- Facts
- 8 + 3 = 11
- 3 + 8 = 11
- 11 - 8 = 3
- 11 - 3 = 8
- Difficulty
- normal
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
Teaching Notes
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