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Lesson 6-4 Pages 281-285
Fractions, Decimals, and
PercentsLesson Check 6-3
What you will learn!1. How to express percents as fractions and vice versa.
2. How to express percents as decimals and vice versa.
PercentPercent
What you really need to know!
A percent is a ratio that compares a number to 100.
Example 1a:
Express each percent as a fraction in simplest form.
5
3
100
60%60
Example 1b:
Express each percent as a fraction in simplest form.
25
11
100
104%104
Example 1c:
Express each percent as a fraction in simplest form.
1000
3003.01003.0%3.0
Example 1d:
Express each percent as a fraction in simplest form.
1004
156
10041
56%
4
156
1004
156
10041
56%
4
156
16
9
4
1
4
9
100
1
4
225
%95100
95
1
100
20
19
Example 2a:
Express each fraction as a percent.
%9595.0201920
19
%160100
160
1
100
5
8
Example 2b:
Express each fraction as a percent.
%1606.1585
8
Example 3:
Express each percent as a decimal.
6.0%60
Example 3b:
Express each percent as a decimal.
02.0%2
Example 3c:
Express each percent as a decimal.
58.6%658
Example 3d:
Express each percent as a decimal.
004.0%04
Example 4a:
Express each decimal as a percent.
%4004
Example 4b:
Express each decimal as a percent.
%5005
Example 4c:
Express each decimal as a percent.
%08.000008
Example 4d:
Express each decimal as a percent.
%73073
Example 5:
Express the fraction as a percent. Round to the nearest tenth percent, if necessary.
%5.628
5
Example 5b:
Express the fraction as a percent. Round to the nearest tenth percent, if necessary.
%3.333
1
Example 5c:
Express the fraction as a percent. Round to the nearest tenth percent, if necessary.
%9.01000
9
Example 5d:
Express the fraction as a percent. Round to the nearest tenth percent, if necessary.
%3.16414
23
Example 6:
A baker says that 25% of his customers buy only bread and 2/5 of his customers buy only cookies. Which group is larger?
%404.05
2
The cookie group is larger!
Page 283
Guided Practice
#’s 3-15
Pages 281-283 with someone at home and
study examples!
Read:
Homework: Pages 284-285
#’s 16-50 even
#’s 54-71
Lesson Check 6-4
Page
737
Lesson 6-4
Lesson Check 6-4
