Math Vocabulary #2

Front

Circumference

Back

the perimeter of a circle

Front

Area

Back

the space inside of a 2D shape

Front

Constant of proportionality

Back

k=y/x

Front

Unit rate

Back

ratio of two different units with a denominator of one

Front

Proportion

Back

two fractions set equal to each other

Front

Perimeter

Back

the total distance around a 2D shape

Front

Volume

Back

the amount of space inside a 3D shape

Front

Ratio

Back

a comparison of two quantities by division

Front

Fraction

Back

a part of a whole expressed as a numerator over a denominator

Front

Decimal

Back

a number that includes a decimal point to represent a fraction