7Th Grade Math Vocab

Front 1

Terminating Decimal:

Back 1

A decimal that stops

Front 2

Repeating Decimal:

Back 2

A decimal that keeps on going forever

Front 3

Opposite:

Back 3

Two numbers that are the same distance from 0 on a number line but in the opposite directions.

Front 4

Inverse Operation:

Back 4

Operations that undo each other, to get the variable alone.

Front 5

Absolute Value:

Back 5

The distance from that number to 0 on the number line

Front 6

Simplify:

Back 6

To reduce to lowest terms

Front 7

Evaluate:

Back 7

To find the answer of the problem

Front 8

Substitute:

Back 8

A number or variable acting or serving in the place of another.

Front 9

Coordinate:

Back 9

The location of a point on a grid

Front 10

Origin:

Back 10

Is the point of intersection of the x- and y-axes in a coordinate

Front 11

Proportion:

Back 11

Is an equation stating that two ratios are equal

Front 12

Conversion:

Back 12

a change in the form of a measurement, different units, without a change in size or amount

Front 13

Integers:

Back 13

are the set of positive whole numbers

Front 14

Rational Numbers:

Back 14

is a number that can be written as a quotient of two integers, where the divisor is not 0

Front 15

Base:

Back 15

Is the number of different digits or combination of digits and letters that a system of counting uses to represent numbers

Front 16

Power:

Back 16

Is the product of multiplying the number by itself and it is represented by a base number and an exponent

Front 17

Algebraic Expression:

Back 17

is a mathematical phrase that used variables, numbers, and operation symbols

Front 18

Coefficient:

Back 18

is a numerical factor of a term with a variable

Front 19

Like Terms:

Back 19

terms that have the same variable factors

Front 20

Variable:

Back 20

is a letter that stands for a number

Front 21

Inequality:

Back 21

is a mathematical sentence that contains one of the signs

Front 22

Ratio:

Back 22

is a comparison between two different things

Front 23

Equivalent Ratios:

Back 23

two ratios that name the same number are equivalent ratios

Front 24

Rate:

Back 24

is a special ratio in which the two terms are in different units

Front 25

Unit Rate:

Back 25

the rate for one unit of a given quantity

Front 26

Unit Cost:

Back 26

a unit rate that gives the cost per unit is a unit cost

Front 27

Cross Product:

Back 27

for ratios thecross products are found by multiplying the denominator of one ratio by the numerator of the other ratio.