percents , decimals, and fractions
DESCRIPTION
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 PresentationTRANSCRIPT
#21
Percents, Decimals, and Fractions
Example 1: Writing Decimals as PercentsWrite the decimal as a percent.Method 1: Use place value.0.7
Example 2: Writing Decimals as PercentsWrite the decimal as a percent.Method 2: Multiply by 100.0.4118
Example 3Write the decimal as a percent.0.023
Example 4Write the decimal as a percent.0.018
Example 5Write the decimal as a percent.0.957
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
Example 6: Writing Fractions as Percents
925
__
Write the fraction as a percent.Method 1: Write an equivalent fraction with a denominator of 100.
Example 7: Writing Fractions as Percents
320
__
Method 2: Use division to write the fraction as a decimal.
Example 8Write the fraction as a percent.
750
__
Example 9Write the fraction as a percent.
1150 __
Example 10: Real-World ApplicationOne year, of people with home officeswere self-employed. What percent of people with home offices were self employed?
725
__
Example 11During the soccer season, of Evan’s teammates scored a goal. What percent of Evan’s teammates scored a goal?
920 __
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
__
Example 13George wants of the calories he eats to come from protein. What percent of George’s calories should come from protein?
25
__
The number line below shows common equivalent fractions, decimals, and percents.
F.Y.I.