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Envision Math 2.0: Grade 6, Volume 2

EM

Envision Math 2.0: Grade 6, Volume 2 View details

Review

Exercise 5 Page 379

To write a percent as a fraction, write the number part as a numerator over 100. To write a percent as a decimal, move the decimal point two places to the left and remove the percent symbol.

Example Fraction: 1/200
Decimal: 0.005

Practice makes perfect

Fractions, decimals, and percents are three ways to show parts of a whole. We want to write a percent as a fraction and as a decimal. Let's do these things one at a time.

Fraction

To write a percent as a fraction, we write the number part as a numerator over 100. 0.5 %=0.5/100Then, if possible, we simplify the fraction.

0.5/100

a/b=a * 2/b * 2

0.5* 2/100* 2

Multiply

1/200

We found that 0.5 % expressed as a fraction is 1200.

Decimal

To write a percent as a decimal, we ignore the percent symbol and move the decimal point two places to the left.

We found that 0.5 % expressed as a decimal is 0.005.

Subchapter links

Topic Essential Question p.377

Vocabulary Review p.377

Use Vocabulary in Writing p.377

1 Understand Percent p.378

2 Relate Fractions, Decimals, and Percents p.378

3 Represent Percents Greater Than 100 or Less Than 1 p.379

4 Estimate to Find Percent p.379

5 Find the Percent of a Number p.380

6 Find the Whole Given a Part and the Percent p.380