Fact Families

Fact Families - Inverse Operation - An opposite operation...

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Fact Families By Monica Yuskaitis
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Definitions Addend - Any number being added. 6 + 5 = 11 Inverse Operation - An opposite operation that undoes another. 5 + 4 = 9 9 - 5 = 4
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Addition/Subtraction Fact Families are found by: Starting with a simple addition fact. ( 2 + 5 = 7 ) Changing the addends around. ( 5 + 2 = 7 ) Writing the Inverse operations for both. ( 7 - 2 = 5 & 7 - 5 = 2 )
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What are the 4 members of the Fact Family of 3 + 4 = 7? 3 + 4 = 7 4 + 3 = 7 7 - 3 = 4 7 - 4 = 3
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What are the 4 members of the Fact Family of 8 + 1 = 9? 8 + 1 = 9 1 + 8 = 9 9 - 8 = 1 9 - 1 = 8
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What are the 4 members of the Fact Family of 11 + 5 = 16? 11 + 5 = 16 5 + 11 = 16 16 - 11 = 5 16 - 5 = 11
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What are the 4 members of the Fact Family of 9 + 7 = 16? 9 + 7 = 16 7 + 9 = 16 16 - 9 = 7 16 - 7 = 9
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What are the 4 members of the Fact Family of 12 + 7 = 19? 12 + 7 = 19 7 + 12 = 19 19 - 12 = 7 19 - 7 = 12
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Definitions Multiplicand - The numbers being multiplied. 4 x 8 = 32
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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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This note was uploaded on 11/22/2011 for the course EL ED 361 taught by Professor Brotherraymond during the Fall '11 term at BYU.

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Fact Families - Inverse Operation - An opposite operation...

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