Rate, Ratios and Unit Rates

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Kelly has 10 apps on her iPad.
5 are school apps, 2 are music apps, and 3 are games.
What is the ratio of school apps to game apps?

• 5 to 2

• 3 to 5

• 5 to 10

• 5 to 3

Simplify the ratio of
35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears.  What is the ratio of pears to ALL fruit?

• 5:4

• 5:11

• 2:5

• 6:5

Felicia wants to enlarge a photo that is 4 inches wide and 6 inches tall. The enlarged photo keeps the same ratio. How tall is the enlarged photo if it is 12 inches wide?

• 10 inches

• 16 inches

• 18 inches

• 48 inches

If a cyclist travels 90 miles in 3 hours, what is the average speed of the cyclist in miles per hour?

• 30 miles/hour

• 25 miles/hour

• 20 miles/hour

• 35 miles/hour

Find each unit rate. Round your answer to the nearest hundredth:​ (a)  

11 chickens lay 77 eggs _________eggs per chicken

• 7

• 22

• 30

• 10

Jared rides his bicycle 6 miles in 3/5 of an hour. At this rate, how many miles could he ride in 3 hours?

• 18 miles

• 30 miles

• 12 miles

• 36 miles

Find each unit rate. Round your answer to the nearest hundredth:​ (a)   11 chickens lay 77 eggs _________eggs per chicken

• 7

• 22

• 30

• 10

The Healey family drove 192 miles in
4.5 hours. How many miles could they drive at this rate in 3 hours?

• 64 mi

• 77 mi

• 128 mi

• 184 mi