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Do Now. Write each percent as a fraction in simplest form. (Choose 2 out of #1-3) 1.) 84% 2.) 72% 3.) 8% 4.) For 48 of the 60 minutes of a football game, Beach was winning. Write this rate as a percent. DWP #26. 21/25. 2 /25. 18/25. 80%. 11/19/2013 4-2 D Percents and Decimals.
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Do Now Write each percent as a fraction in simplest form. (Choose 2 out of #1-3) 1.) 84% 2.) 72% 3.) 8% 4.) For 48 of the 60 minutes of a football game, Beach was winning. Write this rate as a percent. DWP #26 21/25 2/25 18/25 80%
Example 1 Write 86% as a decimal. Read the fraction properly. Then use place value! = 0.86 86% = 0.86
Example 2 Write 7% as a decimal. Rewrite the percent as a fraction with a denominator of 100. = 0.07 7% = 0.07.
To write a percent as a decimal, divide by 100 and remove the % sign. Just MOVE the decimal point 2 places to the LEFT = 0.48
33% • 6.5% • 92%
To write a decimal as a percent, multiply by 100 and add the % sign. Just MOVE the decimal point 2 places to the RIGHT = 36%
Example 6 Write 0.44 as a percent. Write 44 hundredths as a fraction. = 44% Write the fraction as a percent. 0.44 = 44%.
Example 7 Write 0.031 as a percent. 3.1%
1.) Write 11% as a decimal 2.) Write 3% as a decimal 3.) Write 0.041 as a percent 4.) Over 0.5 of the aluminum cans produced are recycled. Write this as a percent. 5.) Carmelo Anthony of the NY Knicks has a TS% of 52.2%. Write this as a decimal.
Homework • Pg. 220 #1-34 Evens