percents , decimals, and fractions

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#21 Percents, Decimals, and Fractions

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Percents , Decimals, and Fractions. #21. Example 1: Writing Decimals as Percents Write the decimal as a percent. Method 1: Use place value. 0.7. Example 2 : Writing Decimals as Percents Write the decimal as a percent. Method 2: Multiply by 100. 0.4118. Example 3 - PowerPoint PPT Presentation

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Page 1: Percents , Decimals, and Fractions

#21

Percents, Decimals, and Fractions

Page 2: Percents , Decimals, and Fractions

Example 1: Writing Decimals as PercentsWrite the decimal as a percent.Method 1: Use place value.0.7

Page 3: Percents , Decimals, and Fractions

Example 2: Writing Decimals as PercentsWrite the decimal as a percent.Method 2: Multiply by 100.0.4118

Page 4: Percents , Decimals, and Fractions

Example 3Write the decimal as a percent.0.023

Page 5: Percents , Decimals, and Fractions

Example 4Write the decimal as a percent.0.018

Page 6: Percents , Decimals, and Fractions

Example 5Write the decimal as a percent.0.957

Page 7: Percents , Decimals, and Fractions

When the denominator is a factor of 100, it is often easier to use method 1. When the denominator is not a factor of 100, it is usually easier to use method 2.

Helpful Hint

Page 8: Percents , Decimals, and Fractions

Example 6: Writing Fractions as Percents

925

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Write the fraction as a percent.Method 1: Write an equivalent fraction with a denominator of 100.

Page 9: Percents , Decimals, and Fractions

Example 7: Writing Fractions as Percents

320

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Method 2: Use division to write the fraction as a decimal.

Page 10: Percents , Decimals, and Fractions

Example 8Write the fraction as a percent.

750

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Page 11: Percents , Decimals, and Fractions

Example 9Write the fraction as a percent.

1150 __

Page 12: Percents , Decimals, and Fractions

Example 10: Real-World ApplicationOne year, of people with home officeswere self-employed. What percent of people with home offices were self employed?

725

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Page 13: Percents , Decimals, and Fractions

Example 11During the soccer season, of Evan’s teammates scored a goal. What percent of Evan’s teammates scored a goal?

920 __

Page 14: Percents , Decimals, and Fractions

Example 12Jo spends of her time at the gym doing stretches to warm up. What percent of Jo’s time at the gym does she spend stretching?

15

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Page 15: Percents , Decimals, and Fractions

Example 13George wants of the calories he eats to come from protein. What percent of George’s calories should come from protein?

25

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Page 16: Percents , Decimals, and Fractions

The number line below shows common equivalent fractions, decimals, and percents.

F.Y.I.