Fact Family Mul Div Within 20 Write All — Set 31
Write the fact family for 2, 13, 15:
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Answer: 2 + 13 = 15; 13 + 2 = 15; 15 - 2 = 13; 15 - 13 = 2
- SubType
- fact-family
- Facts
- 2 + 13 = 15
- 13 + 2 = 15
- 15 - 2 = 13
- 15 - 13 = 2
- 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 15, 1, 16:
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Answer: 15 + 1 = 16; 1 + 15 = 16; 16 - 15 = 1; 16 - 1 = 15
- SubType
- fact-family
- Facts
- 15 + 1 = 16
- 1 + 15 = 16
- 16 - 15 = 1
- 16 - 1 = 15
- Difficulty
- normal
Write the fact family for 8, 4, 12:
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Answer: 8 + 4 = 12; 4 + 8 = 12; 12 - 8 = 4; 12 - 4 = 8
- SubType
- fact-family
- Facts
- 8 + 4 = 12
- 4 + 8 = 12
- 12 - 8 = 4
- 12 - 4 = 8
- Difficulty
- normal
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 3, 10, 13:
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Answer: 3 + 10 = 13; 10 + 3 = 13; 13 - 3 = 10; 13 - 10 = 3
- SubType
- fact-family
- Facts
- 3 + 10 = 13
- 10 + 3 = 13
- 13 - 3 = 10
- 13 - 10 = 3
- Difficulty
- normal
Teaching Notes
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