Unit Rate with Tables, Graphs, and Words

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you find the unit rate from a ratio?

Back

To find the unit rate from a ratio, divide the first quantity by the second quantity. For example, if the ratio is 8:2, the unit rate is 8 ÷ 2 = 4.

Front

What does it mean if the output is 3 times the input?

Back

It means that for every 1 unit of input, the output will be 3 units. For example, if the input is 2, the output will be 6.

Front

How do you calculate the cost per ounce of a cereal box?

Back

To calculate the cost per ounce, divide the total cost of the box by the number of ounces. For example, if a 10-ounce box costs $2.79, the cost per ounce is $2.79 ÷ 10 = $0.279.

Front

If Lisa can bake 3 cakes in 2 hours, how long does it take to bake 1 cake?

Back

It takes Lisa 40 minutes to bake 1 cake.

Front

What is the unit rate of a 10-ounce box of cereal that costs $2.79?

Back

The unit rate is 28 cents per ounce.

Front

How do you convert hours to minutes?

Back

To convert hours to minutes, multiply the number of hours by 60. For example, 1 hour = 60 minutes.

Front

If Tom can read 60 pages in 4 hours, how long does it take him to read 1 page?

Back

It takes Tom approximately 0.0667 hours to read 1 page.

Front

What is the relationship between input and output in a ratio table?

Back

The relationship shows how one quantity changes in relation to another. For example, if the output is 8 times the input, as the input increases, the output increases by a factor of 8.

Front

How do you determine which product is a better buy?

Back

Compare the unit rates of each product. The product with the lower unit rate is the better buy.