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Scooby Snack Attack. 4. 2. +. ___. 6. 4. 2. 6. +. =. 5. 2. 3. 2 + 3 = 5. 3 + 2 = 5. 5 - 2 = 3. 5 - 3 = 2. 10. 2. 8. 2 + 8 = 10. 8 + 2 = 10. 10 - 2 = 8. 10 - 8 = 2. Is it a fact family ?. A fact family has four equations. Two are addition. Two are subtraction.
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4 2 + ___ 6 4 2 6 + =
5 2 3 2 + 3 = 5 3 + 2 = 5 5 - 2 = 3 5 - 3 = 2
10 2 8 2 + 8 = 10 8 + 2 = 10 10 - 2 = 8 10 - 8 = 2
A fact family has four equations. Two are addition. Two are subtraction.
Only three numbers can make up each equation. Each equation must be true.
8 1 7 1 + 7 = 8 YES 7 + 1 = 8 8 - 1 = 7 8 - 7 = 1
10 4 6 NO 4 + 6 = 10 6 + 4 = 10 10 - 1 = 9 10 - 9 = 1
7 2 5 NO 2 + 5 = 7 5 + 2 = 7 5 - 2 = 7 5 - 7 = 2
7 0 7 0 + 7 = 7 YES 7 + 0 = 7 7 - 0 = 7 7 - 7 = 0
9 2 7 NO 9 + 7 = 2 2 + 7 = 9 2 - 9 = 7 7 - 9 = 2
Help Scooby make fact families with the snacks on his plate.
10 3 7 3 + 7 = 10 7 + 3 = 10 10 - 3 = 7 10 - 7 = 3
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