Ratios and Unit Rate

Front

What is a ratio?

Back

A ratio is a mathematical way to compare two or more quantities, showing the relative size of one quantity to another.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity by the total number of units. For example, if you have 36 cookies for $4, the unit rate is 36 cookies ÷ 4 dollars = 9 cookies per dollar.

Front

What is the unit rate of 44 stamps on 4 sheets?

Back

11 stamps per sheet.

Front

If a store sees 120 customers in 8 hours, what is the unit rate in customers per hour?

Back

15 customers per hour.

Front

True or False: A ratio can only compare two quantities.

Back

False. A ratio can compare two or more quantities.

Front

What is the ratio of red circles to blue stars if there are 3 red circles and 4 blue stars?

Back

3:4 or 3 to 4.

Front

What does it mean if a unit rate is expressed as 'cookies per dollar'?

Back

It means the number of cookies you can buy for each dollar spent.

Front

If you have a ratio of 7 to 4, how can you express it as a fraction?

Back

7/4.

Front

What is the unit rate of 60 miles driven in 3 hours?

Back

20 miles per hour.

Front

How do you express a ratio of 5 apples to 10 oranges?

Back

It can be expressed as 5:10 or simplified to 1:2.