Proportional - Rates

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Front

How do you determine if two rates are proportional?

Back

Two rates are proportional if they can be expressed as equivalent fractions.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

What does it mean for ratios to be equivalent?

Back

Ratios are equivalent if they represent the same relationship between quantities.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How can you check if two ratios form a proportion?

Back

You can check if two ratios form a proportion by cross-multiplying and seeing if the products are equal.

Front

What is the cross-multiplication method?

Back

The cross-multiplication method involves multiplying the numerator of one ratio by the denominator of the other ratio and vice versa.

Front

What is an example of a proportional relationship in real life?

Back

An example of a proportional relationship is the speed of a car, where distance and time are related proportionally.

Front

What is the formula for finding a unit rate?

Back

The formula for finding a unit rate is: Unit Rate = Total Quantity / Number of Units.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit.