unit rates. october 22, 2013 how do i solve problems involving unit rates?

Unit Rates

October 22, 2013

How do I solve problems

involving Unit Rates?

Unit Rates

The word “Unit”

means 1

Unit RatesExamples of Unit Rates:

**Miles PER hour

**Words PER minute

**Dollars PER hour

**Miles PER gallon

Unit Rates

What does it mean you hear someone say…

“That car was going 65 miles per hour”

Unit Rates

What does it mean you hear someone say…

“She can type 38 words per minute

on the computer”

Unit Rates

To find a “UNIT RATE” you need to find…1 or per hour

1 or per minute1 or per second1 or per gallon

Unit Rates

Jason drove his car186 miles in 3 hours. How many

miles did Jason drive per hour?

**Set it up like a RATIO

Unit Rates

8 pounds of hamburger meat costs $6.00? How

much does the meat cost per pound?

**Set it up like a RATIO

Unit Rates

Tabitha made $223.80 after working 30 hours. How

much money does Tabitha math per hour?

**Set it up like a RATIO

Unit Rates

Lisa’s puppy gained 6 pounds in 5 months. What

is her puppy’s rate of weight gain?

**Set it up like a RATIO

Unit Rates

Tara read 9 pages in her book in 15 minutes. How many pages did Tara read

per minute?**Set it up like a RATIO

Unit Rates

Jennifer drove 208.8 miles using 9 gallons of gas. How many miles per gallon does

her car get?**Set it up like a RATIO

Unit Rates

Who runs at a faster rate?Daniel Kelsey

Daniel ran 21.6 miles in 3 hours.

Kelsey ran 27.2 miles in 4 hours.

Unit RatesWho makes more money per

hour?Matthew Louise

Matthew made $51.00 after working 6 hours.

Louise made $75.15 after working 9 hours.

Unit RatesWhich car gets the most miles per gallon?

Car A Car B

Car A drove 140.4 miles using 9 gallons of gas.

Car B drove 236.8 miles using 16 gallons of gas.

Unit Rates“Ticket Out”

1.Brady drove 342 miles in 6 hours. How many miles did Brady drive per hour?

2.Chelsea worked for 22 hours and earned $181.50. How much does Chelsea earn per hour?