1. Fractions, Decimals and Percents

2. What is a percent???
Percent : A ratio of a number to The symbol % is used to indicate that a number is a percent .
Example : 40% is the ratio 40 to 100, or 40
100
Percents can be written as fractions or decimals

3. Writing Percents as Fractions
Write 35% as a fraction in simplest form.
35% = 35
100
= 7 20
Write the percent as a fraction with a denominator of 100
Simplify

4. Writing Percents as Fractions
Write 88% as a fraction
88% = 88
100
= 22 25
Write the percent as a fraction with a denominator of 100
Simplify

5. Your Turn…
Write 2% as a fraction

6. Your Turn
Write 45% as a fraction

7. Writing Percents as Decimals
Write 43% as a decimal.
43% = 43
100
= 0.43
43% = = 0.43
Write the percent as a fraction with a denominator of 100.
Write the fraction as a decimal
All you have to do is move the decimal to the LEFT 2 times!

8. Writing Percents as Decimals
Write 105% as a decimal.
105% = 105
100
= 1.05
105% = = 1.05
Write the percent as a fraction with a denominator of 100.
Write the fraction as a decimal
All you have to do is move the decimal to the LEFT 2 times!

9. Your Turn…
Write 16% as a decimal

10. Your Turn…
Write 104% as a decimal

11. Writing Decimals as Percents
Write 0.07 as a percent.
= 7
100
= 7%
0.07 = = 7%
Write the decimal as a fraction
Write the fraction as a percent
All you have to do is move the decimal to the RIGHT 2 times!

12. Writing Decimals as Percents
Write as a percent. =
1000
= 3.8%
= = 3.8%
Write the decimal as a fraction
Write the fraction as a percent
All you have to do is move the decimal to the RIGHT 2 times!

13. Your Turn
Write 0.57 as a percent

14. Your Turn
Write 0.2 as a percent

15. Writing Fractions as Percents
Write 4 as a percent 5
4 = 4 • 20
• 20
= 80
100
= 80%
Write an equivalent fraction with a denominator of 100.
Write the fraction as a percent

16. Writing Fractions as Percents
Write 3 as a percent 8
3 = 3 ÷ 8 =
= 37.5%
Use division to write the fraction
Write the decimal as a percent

17. Your Turn…
Write 3 as a fraction 10

18. Your Turn…
Write 11 as a fraction 40