Rates and Ratios

Simplify the ratio of
35 : 14

• 5 : 2
• 2 : 5
• 3 : 1
• 35: 14

88 students for 4 classes
How many students per class?

• 22 students per class
• 22 classes per student
• 25 students per class
• 25 classes per student

What is the ratio of red apples to green apples

• 7 apples to 3 green
• 4 red apples to 7 apples
• 4 red apples to 3 green apples
• 3 green apples to 4 red apples

Which is NOT equivalent to 3:5?

• 15:25
• 9:15
• 21:28
• 30:50

Which one is a real life example of a RATIO?

• 12 noodles
• 4 meatballs : 1 cup of sauce
• 1 jar of sauce
• 15 desserts

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

A car travels 50 miles in 40 minutes.
How many miles does the car travel per minute?

• 10 miles
• 1.25 miles
• 0.8 miles
• 90 miles

190 people fit in 3 buses.
How many buses would you need to carry 570 people?

• 570 buses
• 9 buses
• about 63 buses
• about 6 buses

For which example below is the unit rate 7.5 miles per hour?

• 90 miles in 12 hours
• 75 miles in 5 hours
• 7.5 miles for 7.5 hours
• 90 hours for 12 miles

Jeff hikes 1/2 mile every 15 minutes. How far does he hike in 1 hour?

• 4 miles

• 2 miles

• 1 mile

• 3 miles