Percents and Decimals Objective: Learn to write percents as decimals and decimals as percents.

To write a percent as a decimal… To write the percent as a decimal you must divide the percent by 100 ( OR you can just move the decimal point two places to the left. ) For example: Write 7% as a decimal 7% = The work: You have to divide 7 ÷ 100. The trick: when dividing by 100 all you have to do is move the decimal point two places to the left. Answer: 7% = 0.07

Examples: Write each percent as a decimal. 8% 54% 85.2%

To write the decimal as a percent… The work: Multiply the decimal by 100 and add a percent sign. The trick: All you have to do is move the decimal point two places to the right and add the % sign. For example: Write 0.4 as a percent. 0.4 = 0.40 = 40 %

Examples: 0.5 0.34 3. 0.98

Homework: Write each percent as a decimal. 1. 27% 2. 70% 3. 6% 4. 18.5% 5. 150% Write each decimal as a percent. 0.08 0.17 0.78 0.145 0.95