1. Lesson 7.4 Fractions, Decimals and Percents
Essential Question: How do you convert between fractions, decimals and percents?

2. What percent did you earn on the quiz?
Before we start…
On your last math quiz, you scored a 42 out of 50.
What percent did you earn on the quiz?

3. How do I convert … a percent to a decimal? Divide by 100
a decimal to a percent?
Multiply by 100

4. Write the percent as a decimal.
65%
250%
0.3%

5. Write the decimal as a percent.
0.95
2.7
0.004

6. How do I convert… a percent to a fraction? Put the percent over 100
Reduce
a fraction to a percent?
Create an equivalent fraction with a denominator of 100

7. Write the percent as a fraction.
25%
325%
0.2%

8. Write the fraction as a percent.

9. What is a circle graph? Represents data as parts of a circle
Each item is one part
Adds up to 1 or 100

10. Survey The circle graph below shows the results of a survey of how 500 students prefer to spend their time.
What percent of students prefer to spend time with friends?
What percent of students prefer to spend with family?

11. The circle graph shows the results of a survey on the colors of homes in a neighborhood. Each fraction in the graph represents part of the total number of homes.
What home color is the most popular? What percent of the homes were yellow? What percent of the homes were either white or grey? What percent of the homes were not brown?

12. Sleep Habits A survey of dog owners found the following portions represent the three most popular sleeping places for dogs: on owner’s bed, 0.19 in a dog house, and 16.8% on the floor. Order these numbers from least to greatest.

13. Products for Newborns A survey asked fathers to name the five most indispensible products to fathers with a newborn. The results are as follows: said infant carrier/car seat, said pacifier, 0.7 said stroller, said baby monitor, and 79% said disposable diapers. Order the numbers from least to greatest.

14. How do you convert between fractions, decimals and percents?

15. Ticket Out the Door
Write 35% as a fraction.