Study guide for 7th grade math

reciprocal

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

mixed number

a number written as a while number and a fraction

varible

a symbol that represents a quantity in an algebraic expression

estimate

an approximate number, not an exact number

number sentence

an equation using numbers and symbols

Product

anwer to a multiplication problem

denominator

bottom paart of a fraction and shows total pieces

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

symbolic model

math sentence using numbers and variables

pictorial model

math sentence using pictures to represent numbers and variables

expression

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

Factor

numbers that are multiplied together

fraction

part of a whole

discount

reduction to a basic price of goods or services

sales tax

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

dividend

the number being divided

divisor

the number by which a dividend is divided

multiplier

the number by which another number is multiplied

multiplicand

the number that is multiplied to another

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