Ratios Rates and Proportions

Tommy has a bag of LEGOS.  There are 6 yellow, 3 red, and 8 blue LEGOS.  What is the ratio in simplest form of red to yellow LEGOS?

• 1/2

• 6/3

• 2/1

• 3/6

Ella has 5 balloons. Taylor has 7 balloons. Write the ratio of Ella's balloons to Taylor's balloons.

• 7:5

• 5:7

• 3:5

• 5:3

What is a Ratio?

• Is a comparison of two quantities 

• To multiply two fractions 

• A number over another number

• Two decimals that can be multiplied

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

What is a rate for this graph?

• 20 minutes per 6 miles

• 60 minutes per 12 miles

• 80 minutes per 24 miles

• 100 minutes per 24 miles

A table shows the relationship between the number of hours worked and the amount earned at a job. If the table shows that 4 hours of work earns $36, what is the unit rate of pay per hour?

• $9/hour

• $10/hour

• $8/hour

• $12/hour

If the ratio of boys to girls in a class is 3:4, how many boys are there if there are 20 girls?

• 15

• 25

• 10

• 30

A sports team won 8 out of 10 games played. What is the ratio of games won to games lost?

• 4:5

• 8:2

• 4:1

• 2:1

• 4

• 6

• 8

• 10

A car travels 150 miles in 3 hours. What is the unit rate in miles per hour?

• 50 miles/hour

• 45 miles/hour

• 100 miles/hour

• 60 miles/hour