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4
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the product of any number and 1 is equal to the number
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5
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reciprocal
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6
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when you multiply the outer number to each number within the parentheses to simplify an expression
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7
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the sum of any number and zero is equal to the number
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8
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consists of one or more numbers and variables along with one or more arithmetic operations
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9
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symbols used to represent unspecified numbers or values
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10
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the sum of any two whole numbers is always a whole number is an example of this
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12
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the way you group three or more numbers when adding or multipliying does not change their sum or product
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13
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a rule to let you know which operation to perform first
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14
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the order in which you add or multiply numbers does not change their sum or product
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