Understanding Ratios
Write a ratio to compare 3 red apples to 5 green apples.
What is 3:5?
You travel 10 miles in 2 hours. How many miles per hour is that?
What is 5 miles per hour?
Which is a rate: 3 apples : 5 apples or 60 miles : 2 hours?
What is 60 miles : 2 hours?
Which is faster: 10 miles in 2 hours or 15 miles in 3 hours?
What is the same rate (5 mph)?
A pack of 12 markers costs $4. What is the cost per marker?
What is $0.33 per marker?
Which ratio is equivalent to 2:3?
4:5 or 4:6 or 6:8
What is 4:6?
A pack of 6 notebooks costs $9. What is the cost per notebook?
What is $1.50 per notebook?
A car travels 120 miles in 3 hours. Write this as a rate.
What is 120 miles per 3 hours?
Tank A drains 20 gallons in 4 minutes. Tank B drains 18 gallons in 3 minutes. Which drains faster?
What is Tank B?
A recipe uses 2 cups of flour for 3 batches. How much flour per batch?
What is ⅔ cup?
There are 8 boys and 12 girls in a class. Write the ratio of boys to girls in simplest form.
What is 2:3?
A runner jogs 3 miles in 0.5 hours. What is the unit rate?
What is 6 miles per hour?
A movie ticket costs $12 for 2 hours. What is the rate?
What is $12 per 2 hours?
Which is the better buy: $6 for 3 notebooks or $10 for 5 notebooks?
What is the same price per notebook?
A student types 180 words in 3 minutes. What is the typing rate?
What is 60 words per minute?
A recipe uses 6 cups of water for every 4 cups of rice. Write the ratio of water to rice in simplest form.
What is 3:2?
You buy 8 pounds of apples for $12. What is the cost per pound?
What is $1.50 per pound?
A babysitter earns $45 for 5 hours. Write the rate and unit rate.
What is $45 per 5 hours; $9 per hour?
A bike travels 24 miles in 2 hours. A scooter travels 30 miles in 3 hours. Which is faster?
What is the bike?
You earn $72 for 6 hours. How much per hour?
What is $12 per hour?
Are 10:15 and 2:3 equivalent ratios? Explain.
What is yes, both simplify to 2:3?
A faucet fills 15 gallons in 3 minutes. What is the unit rate?
What is 5 gallons per minute?
What is the difference between a ratio and a rate?
What is a rate compares different units?
Why are unit rates helpful when comparing situations?
What is they compare per 1 unit?
A car uses 9 gallons to travel 270 miles. How many miles per gallon?
What is 30 mpg?