6-1

1. 6-1 Percents Course 2 Warm Up Problem of the Day Lesson Presentation

2. 6-1 Percents 0.375 0.6 0.4 Course 2 Warm Up Write each fraction as a decimal. 3 4 3 8 1. 2. 0.75 3 5 6 15 3. 4.

3. 6-1 Percents 4 5 , 0.8 Course 2 Problem of the Day Alex noted that 4 tulip bulbs bloomed out of every 5 bulbs that he planted. Write the part that bloomed of the total amount of bulbs planted as a fraction and a decimal.

4. 6-1 Percents Course 2 Learn to model percents and to write percents as equivalent fractions and decimals.

5. 6-1 Percents Course 2 Insert Lesson Title Here Vocabulary percent

6. 6-1 Fractions, Decimals, and Percents 6 100 Course 2 A percent is the ratio of a number to 100. The symbol % is used to indicate that a number is a percent. = 6% Reading Math The word percent means “per hundred.” So 6% means “6 out of 100.”

7. 6-1 Percents shaded 32 shaded 66 ___ _______ _______ ___ 100 total 100 total Course 2 Additional Example 1: Modeling Percents Write the percent modeled by each grid. A. B. = 32% = 66%

8. 6-1 Percents shaded 44 shaded 75 ___ _______ _______ ___ 100 total 100 total Course 2 Check It Out: Example 1 Write the percent modeled by each grid. A. B. = 44% = 75%

9. 6-1 Percents 28 100 28% = 7 25 7 25 = Course 2 Additional Example 2: Writing Percents as Fractions Write 28% as a fraction in simplest form. Write the percent as a fraction with a denominator of 100. Simplify. So 28% can be written as .

10. 6-1 Percents 90 100 90% = 9 10 9 10 = Course 2 Check It Out: Example 2 Write 90% as a fraction in simplest form. Write the percent as a fraction with a denominator of 100. Simplify. So 90% can be written as .

11. 6-1 Percents 17 100 Course 2 Additional Example 3: Writing Percents as Decimals Write 17% as a decimal. Method 1 Use pencil and paper. Write the percent as a fraction with a denominator of 100. 17% = = 0.17 Divide 17 by 100.

12. 6-1 Percents Course 2 Additional Example 3 Continued Write 17% as a decimal. Method 2 Use mental math. Move the decimal point two places to the left. = 0.17 17%

13. 6-1 Percents 24 100 Course 2 Check It Out: Example 3 Write 24% as a decimal. Method 1 Use pencil and paper. Write the percent as a fraction with a denominator of 100. 24% = = 0.24 Divide 24 by 100.

14. 6-1 Percents Course 2 Check It Out: Example 3 Continued Write 24% as a decimal. Method 2 Use mental math. Move the decimal point two places to the left. = 0.24 24%

15. 6-1 Percents Course 2 Insert Lesson Title Here Lesson Quiz 1. Write the percent modeled by the grid. 36% 2325 2. Write 92% as a fraction in simplest form. 3. Write 16.4% as a decimal. 0.164