Maria walks 12 miles in 3 hours. How many miles does she walk per hour?

• 36

• 4

• 5

• 32

A skydiver falls 144 feet in 3 seconds. How far does the skydiver fall per second?

• 43

• 12

• 48

• 144

You score 84 points in 6 games. How much do you score per game?

• 14

• 13

• 12

• 11

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

Maria walks 12 miles in 3 hours. How many miles does she walk per hour?

• 36

• 4

• 5

• 32

Mr. Wright has 7 boys and 9 girls. What is the ratio of girls to boys?

• 7 to 9
• 9 to 7

Which rate is equivalent to $9 per hour?

• $27 in 3 hours
• $28 in 4 hours
• $33 in 3 hours

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

Which of the following expresses a ratio?

• 2/3
• two-thirds
• 0.667
• 2.3