Rate Graphs & Unit Rate

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 calculate the unit rate?

Back

To calculate the unit rate, divide the total amount of one quantity by the total amount of the other quantity.

Front

If Ellie made $45 for 6 hours of babysitting, how much does she make per hour?

Back

$7.50 per hour.

Front

What is the formula to find the cost per item?

Back

Cost per item = Total cost / Number of items.

Front

If the cost of 4 golf balls is $10, what is the cost of 1 golf ball?

Back

$2.50 per golf ball.

Front

What is the price per gallon if I paid $15.00 for 6 gallons of gasoline?

Back

$2.50 per gallon.

Front

What does the term 'rate of change' refer to?

Back

The rate of change describes how a quantity changes in relation to another quantity.

Front

If a graph shows a straight line, what does it indicate about the relationship between the two quantities?

Back

A straight line indicates a constant rate of change between the two quantities.

Front

What is the relationship between unit rates and proportions?

Back

Unit rates can be used to create proportions, which are equations that show two ratios are equal.

Front

How can you represent a situation with a graph?

Back

You can represent a situation with a graph by plotting the quantities on the x and y axes to show their relationship.