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