7th Grade Milestone Review - Comparing Unit Rates

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 you buy 3 apples for $6, the unit rate is $2 per apple.

Front

How do you calculate the unit price of an item?

Back

To calculate the unit price, divide the total price by the total quantity. For example, if a box of cereal costs $3.68 for 17 oz, the unit price is $3.68 ÷ 17 oz = $0.216 per oz.

Front

What is the unit price of Cheerios if it costs $3.68 for 17 oz?

Back

The unit price of Cheerios is $0.216 per oz.

Front

What is the unit price of Apple Jacks if it costs $2.89 for 13 oz?

Back

The unit price of Apple Jacks is $0.222 per oz.

Front

Which is the better deal: Cheerios or Apple Jacks?

Back

Cheerios is the better deal because it has a lower unit price of $0.216 per oz compared to Apple Jacks' $0.222 per oz.

Front

How do you compare unit rates?

Back

To compare unit rates, calculate the unit rate for each option and then compare the values. The option with the lower unit rate is the better deal.

Front

What is the unit rate of gas at Shell Station if it costs $70 for 21 gallons?

Back

The unit rate of gas at Shell Station is $3.33 per gallon.

Front

What is the unit rate of gas at Wawa if it costs $51 for 15 gallons?

Back

The unit rate of gas at Wawa is $3.40 per gallon.

Front

Which is the better deal for gas: Shell or Wawa?

Back

Shell is the better deal because it has a lower unit rate of $3.33 per gallon compared to Wawa's $3.40 per gallon.

Front

How do you find the speed of an object in feet per second?

Back

To find the speed in feet per second, divide the distance traveled in feet by the time taken in seconds. For example, if a cheetah runs 60 feet in 4 seconds, its speed is 60 ft ÷ 4 sec = 15 ft/sec.