Module 1

Front

Compares one part of a group to another part of the same group.

Back

Part-to-Part Ratio

Front

Compares one part of a group to the whole group.

Back

Part-to-Whole Ratio

Front

A comparison between two quantities, in which for every a units of one quantity, there are b units of another quantity.

Back

Ratio

Front

Ratios that express the same ratio relationship between the quantities.

Back

Equivalent Ratios

Front

To clear an equation of fractions by multiplying the numerator of each side by the denominator of the other side and equating the two products obtained.

Back

Cross Multiply

Front

A symbol (letter) for a value we don’t know yet.

Back

Variable

Front

A number that stands on its own.

Back

Constant

Front

A number used to multiply a variable.

Back

Coefficient

Front

A special kind of ratio in which the units are different.

Back

Rate

Front

The cost per unit of an item.

Back

Unit Price