Expressions Vocabulary

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Coefficient

Back

Number in front of the variable

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Constant

Back

Number that stands alone (example: 8)

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Variable

Back

A letter that represents an unknown number

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Commutative Property

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3 + 4 = 4 + 3

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5 x 1 = 5

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Identity Property

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(5 + x) + 9 = (9 + x) + 5

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Associative Property

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Distributive Property

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a(b + c) = ab + ac

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Term

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A single mathematical expression, which can be a number, a variable, or the product of numbers and variables