Interpret Proportional Relationships

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 quantity is constant.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

Front

How do you find the unit rate from a proportional relationship?

Back

To find the unit rate, divide the first quantity by the second quantity.

Front

If Hannah reads 5/8 page in 2/3 minute, how many pages can she read in one minute?

Back

15/16 pages per minute.

Front

What does it mean if a graph represents a proportional relationship?

Back

It means that the graph is a straight line that passes through the origin (0,0).

Front

How do you determine if a relationship is proportional from a table of values?

Back

Check if the ratios of corresponding values are constant.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If $3.60 buys 3 pounds of apples, what is the cost per pound?

Back

$1.20 per pound.

Front

What is the simplified form of the fraction 14/35?

Back

2/5.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio of one quantity to another in a proportional relationship.