Rates

Rates

On Level

What is a rate?

• It is a ratio that compares two quantities of different units

• different from a unit rate

Where do you see them?

• Grocery stores

• 3.99 for 7 oranges

• Home loans

• 125 payments of $1,836

• All over basically

Poll

What must a rate include?

• Colors

• Decimals

• Units of measurement

• Variety

Multiple Choice

Fernanda spent $4.85 for 2.5 liters of milk. How do you express this transaction as rate of dollars to liters of milk?

• 2.5 liters for 2.5 liters

• 2.5 liters for $4.85 

• $4.85 for 4.85 liters

• $4.85 for 2.5 liters

Poll

Does the order of a rate matter?

• Yes, because the units of measurement are specific to certain numbers.

• Yes because math is math.

• No, order never matters for a rate.

• No, give the information in any order. Someone will figure it out hopefully.

Multiple Choice

A receipt from Franklin's visit to the auto shop included these charges:

Tires - $400

Brakes- $300

Headlights- $100

Labor for 4 hours- $300

What is the rate of dollars to hours of labor?

• $100 for headlights to $300 for brakes

• $300 to 4 hours of labor

• $300 for brakes to 4 hours of labor

• 4 hours for $300