the symbols used to show which operation or operations in an expression should be done first

a part of a number sentence having numbers and operation signs but not an equal sign

a letter or symbol that stands for a number or numbers

a number sentence which shows that two quantities are equal

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Math Vocabulary

Chapter 3

Question	Answer
parentheses	the symbols used to show which operation or operations in an expression should be done first
expression	a part of a number sentence having numbers and operation signs but not an equal sign
variable	a letter or symbol that stands for a number or numbers
equation	a number sentence which shows that two quantities are equal
perimeter	the distance around a figure