1. Write 55% as a fraction in simplest form.
(over Lesson 4-6)
Write 55% as a fraction in simplest form.
Write 12½ % as a fraction. A B C D
Which ration does not have the same value as the other three?
5/20 5% ¼ 50 out of 200
Five Minute Check 1

2. Splash Screen

3. Write percents as decimals and decimals as percents.
To write percents as decimals:
Take the decimal point in the percent and move it two place values to the left.
To write decimals as percents:
Take the decimal point in the decimal and move it back two place values to the right.
Main Idea/Vocabulary

4. Write Percents as Decimals
Write 47.8% as a decimal.
Write the percent as a fraction.
Multiply by 10 to remove the decimal in the numerator.
Simplify.
Write the fraction as a decimal.
Answer: 47.8% = 0.478
Example 1

5. Write 83.2% as a decimal. A. 0.0832 B. 0.832 C. 8.32 D. 83.2 A B C D
Example 1

6. Remove the % symbol and divide by 100.
POPULATION According to the Administration on Aging, about of the population of the United States is 19 years of age or younger. Write as a decimal.
Remove the % symbol and divide by 100.
Add leading zero.
Answer:
Example 2

7. AMUSEMENT PARKS A popular amusement park reports that of its visitors will return at least three times during the year. Write as a decimal. A B
C. 0.17
D. 1 A B C D
Example 2

8. Write Decimals as Percents
Write 0.33 as a percent.
0.33 = 0.33 Multiply by 100.
= 33% Add the %.
Answer: = 33%
Example 3

9. Write 0.7 as a percent.
A. 0.7%
B. 7%
C. 70%
D. 700% A B C D
Example 3

10. = 5% Add the % symbol and drop the leading zeros.
POPULATION In 1790, about 0.05 of the population of the United States lived in an urban setting. Write 0.05 as a percent.
0.05 = 0.05 Multiply by 100.
= 5% Add the % symbol and drop the leading zeros.
Answer: = 5%
Example 4

11. POPULATION In 2000, the population of Illinois had increased by 0
POPULATION In 2000, the population of Illinois had increased by from Write as a percent.
A %
B. 0.86%
C. 8.6%
D. 86% A B C D
Example 4

12. Interactive Lab: PercentsCS

13. Today’s Homework
Worksheet
SHOW ALL YOUR WORK!!!!
Main Idea/Vocabulary

14. End of the Lesson
End of the Lesson