# Study guide for 7th grade math

Factor
numbers that are multiplied together

Product
anwer to a multiplication problem

fraction
part of a whole

dividend
the number being divided

mixed number
a number written as a while number and a fraction

divisor
the number by which a dividend is divided

inproper fraction
fraction where numerator is larger than the denominator; top part of a fraction and shows the number of parts

equivalent fraction
fractions that look different but are equal to each other

estimate
an approximate number, not an exact number

multiplicand
the number that is multiplied to another

multiplier
the number by which another number is multiplied

denominator
bottom paart of a fraction and shows total pieces

reciprocal
a number related to another in such a way that when multiplied together their product is 1

number sentence
an equation using numbers and symbols

sales tax
tax amount usually calculated by applying a percentage rate to the price of a sale

discount
reduction to a basic price of goods or services

net pay
total amount earned

gross pay
total amount earned minus debt

representation
use of signs that stand for or take the place of a number

varible
a symbol that represents a quantity in an algebraic expression

expression
math sentence with numbers, variables, and at least 1 operation

symbolic model
math sentence using numbers and variables

pictorial model
math sentence using pictures to represent numbers and variables