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a number that multiplies a variable


a mathematical phrase with an equal sign


a mathematical phrase without an equal sign

at most

less than or equal to

at least

greater than or equal to

commutative property

can add or multiply in any order and still get the same answer

associative property

you add or multiply in the same order but change the ( )


a letter that represents a number

addition property of zero

8+0=0 when a # is added to 0 the sum is always the other # added to 0

addition property of -1

any number times -1 is the same number but the opposite (+-)

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