Unit Rates - Cobb Learning

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Transcript Unit Rates - Cobb Learning

Ratio Warm-Up Page 41
Find the following ratios THREE WAYS:
1) Pizza to coke
2) Pizza to total
3) Cupcakes AND coke bottles to pizza
4) Total to cupcakes
5) Cupcakes to all other food
6) Coke to total
7) Soda to cupcakes AND pizza
8) Coke to Pizza
Unit Rates PAGE 42
Notes:
Ex. 2
Ex. 4
Ex. 1
Ex. 3
Ex. 5
Vocabulary
• A rate is a ratio that compares two
quantities measured in different
units.
• The unit rate is the rate for one unit
of a given quantity. Unit rates have a
denominator of 1.
Example #1
Rate:
150 heartbeats
2 minutes
Find Unit Rate (Divide to get it):
150 ÷ 2 = 75 heartbeats per minute.
Example #2
Amy can read 88 pages in 4 hours. What is the
unit rate? (How many pages can she read per
hour?)
88 pages
4 hours
22 pages / hour
1) What was the rate that was given
in the question?
2) What is the UNIT RATE?
Example #3
Marlo divided 40.8 gallons of paint
among 8 containers. How much paint
is in each container?
Rate:
Unit Rate:
Comparing Unit Prices
Example #4
The Reyes family bought four tickets
for $252. What was the price per
ticket?
Example #5
Juice is sold in two different sizes. A 28-fluid
ounce bottle costs $2.24.
$2.24
28 fl.oz.
0.08
$.08 per fl.oz.
Practice Time
1) Number a sheet of Paper 1-12
2) SKIP A FEW LINES IN BETWEEN EACH NUMBER—
you will need to show your work.
3) Put your name on it.
a) You will walk around the room and answer the Questions
that are on index cards.
b) When you get to a number show the work under the
question on your paper 
c) Some numbers repeat to make sure that not more than 2
people at time is at a number. If you have already done
question 1 and see it again around the room….DO NOT DO
IT AGAIN 