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PPT – Learn to write decimals and fractions as percents. PowerPoint presentation | free to download - id: 7cf6ff-YWU1Z

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Learn to write decimals and fractions as

percents.

Additional Example 1 Writing Decimals as Percents

Write 0.7 as a percent.

Method 1 Use pencil and paper.

Write the decimal as a fraction with a

denominator of 100.

0.7

Write the numerator with a percent sign.

70

Check It Out Example 1

Write 0.3 as a percent.

Method 1 Use pencil and paper.

Write the decimal as a fraction with a

denominator of 100.

0.3

Write the numerator with a percent sign.

30

Additional Example 2 Writing Fractions as

Decimals

5 8

Write as a percent.

Method 1 Use pencil and paper.

5 8

5 8

Use division to write the fraction as a decimal.

.625

62.5

Write the decimal as a percent.

Check It Out Example 2

3 5

Write as a percent.

Method 1 Use pencil and paper.

3 5

3 5

Use division to write the fraction as a decimal.

0.60

60

Write the decimal as a percent.

Additional Example 3 Choosing a Method of

Computation

Choose the most useful method of computation.

Then solve.

If 27 out of 50 people have the newspaper

delivered to their home, what percent of these

people have the newspaper delivered to their home?

Think 27 50 divides evenly.

27 out of 50

Using pencil and paper is the best method.

0.54

Write the decimal as a percent.

54

54 of the people have the newspaper delivered to

their home.

Insert Lesson Title Here

Lesson Quiz

1. Write 0.65 as a percent.

65

6 10

60

2. Write as a percent.

Choose the most useful method of computation.

Then solve.

3. If 36 out of 80 people surveyed have been on

a boat, what percent of these people have been

on a boat?

Calculator 45