Grade 7 MidTerm Exam Vocabulary Review

have the same value for all the values of the variables

the set of whole numbers and their opposites

the distance a number is from zero on a number line

 two or more terms that have the same variable raised to the same power

a value that does not change and stands alone

a value or values of a variable that make an equation true

the number that is multiplied by the variable in an algebraic expression; comes before the variable

two numbers who have a greatest common factor of one

simplify an expression by performing all possible operations including combining like terms

to replace a variable with a number in an algebraic expression

the opposite of a number

two fractions that when multiplied together give you a product of one

any number that can be written as a fraction where the denominator is not zero

a number that is multiplied by another number to get a product

the parts of an expression or equation that are added or subtracted

 operations that “undo” each other

a letter used to represent an unknown number or quantity in an expression or equation

an expression that contains number(s), variable(s), and operations

a mathematical sentence that shows that two expressions are equivalent

two numbers that are an equal distance from zero on a number line but on opposite sides of the number line