# What you really need to know!

```Lesson 7-2 Pages 292-295
Rates
Lesson Check 7-1
What you will learn!
How to determine unit
rates.
Rate
Unit rate
What you really need to know!
A ratio that compares
two quantities with
different units is
called a rate.
What you really need to know!
When a rate is
simplified so that it
has a denominator of
1 unit, it is called a
unit rate.
What you really need to know!
A Unit Rate is found
by dividing by the
denominator!
Example 1:
Julia read 52 pages in 2
hours. What is the
average number of pages
52 pages 26 pages

2 hours
1hour
Example 2:
Write 440 miles in 8
hours as a unit rate
in miles per hour.
440 miles 55 miles

8 hours
1hour
Example 3:
Find the unit price per can if
it costs \$3 for 6 cans of soda.
Round to the nearest
hundredth if necessary.
\$3
\$.50

6cans 1can
Example 4:
The costs of
different sizes
of orange juice
are shown in
the table.
Which
container costs
the least per
ounce?
Amount Total Cost
16 oz \$1.28
32 oz \$1.92
64 oz \$2.56
96 oz \$4.80
Amount
Total Cost
16 oz
32 oz
64 oz
96 oz
\$1.28
\$1.92
\$2.56
\$4.80
\$1.28 \$0.08

16oz
1oz
\$1.92 \$0.06

32oz
1oz
\$2.56 \$0.04

64oz
1oz
64 oz
\$4.80 \$0.05

96oz
1oz
Page 294
Guided Practice
#’s 4-9
Pages 292-293
with someone at
home and study
examples!
Homework: Page 294-295
#’s 10-23 all
#’s 30-40
Lesson Check 7-2
Page
580
Lesson 7-2
Lesson Check 7-2
```