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What other number is a part of this fact family?3,4
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What other number is a part of this fact family?3,4

User The Badak
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1 Answer

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A fact family needs to have at least 3 numbers. The first two numbers are added to give the third number. A fact family is used to show the Commutative Property of Addition. So,
3 + 4 = 4 + 3 = 7
The third number is 7
User Daniel Little
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