Fact family worksheets for addition and subtraction involve using 3 numbers and determining 2 facts for subtraction and 2 facts for addition. An example of a fact family is:
Using these 3 numbers: 5, 2, 7
5 + 2 = 7
2 + 5 = 7
7 - 5 = 2
7 - 2 = 5
Using 3 numbers, you are able to see the relationship between addition and subtraction and how they relate to each other. Free fact family worksheets for grade 1 math.
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