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Unformatted text preview: Inverse Operation  An opposite operation that undoes another. 4 x 8 = 32 32 / 4 = 8 Multiplication/Division Fact Families are found by: ◗ Starting with a simple multiplication fact. ( 3 x 9 = 27 ) ◗ Changing the multiplicands around. ( 9 x 3 = 27 ) ◗ Writing the Inverse operations for both. ( 27 / 3 = 9 & 27 / 9 = 3 ) What are the 4 members of the Fact Family of 3 x 7 = 21? ◗ 3 x 7 = 21 ◗ 7 x 3 = 21 ◗ 21 / 3 = 7 ◗ 21 / 7 = 3 What are the 4 members of the Fact Family of 6 x 4 = 24? ◗ 6 x 4 = 24 ◗ 4 x 6 = 24 ◗ 24 / 6 = 4 ◗ 24 / 4 = 6 What are the 4 members of the Fact Family of 7 x 8 = 56? ◗ 7 x 8 = 56 ◗ 8 x 7 = 56 ◗ 56 / 7 = 8 ◗ 56 / 8 = 7 What are the 4 members of the Fact Family of 9 x 7 = 63? ◗ 9 x 7 = 63 ◗ 7 x 9 = 63 ◗ 63 / 9 = 7 ◗ 63 / 7 = 9 What are the 4 members of the Fact Family of 6 x 7 = 42? ◗ 6 x 7 = 42 ◗ 7 x 6 = 42 ◗ 42 /6 = 7 ◗ 42 / 7 = 6...
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 Fall '11
 BrotherRaymond
 Addition, Multiplication, Harshad number, fact family, Monica Yuskaitis

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