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Grade-1
Subtraction Fact Family
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Find the related subtraction fact family for :
9 - 8 = 1
10 - 1 = 9
9 - 1 = 8
11 - 1 = 10
Explanation
Remember, in subtraction fact families we use the same numbers and difference. To find the related subtraction fact, swap the number after the minus sign (subtrahend) with the number after the equal sign (difference).
9 – 8 = 1 and 9 - 1 = 8 are subtraction fact families.
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