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Learn to write decimals and fractions as percents.

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6-2 Fractions, Decimals, and Percents Learn to write decimals and fractions as percents. Course 2 – PowerPoint PPT presentation

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Title: Learn to write decimals and fractions as percents.


1
Learn to write decimals and fractions as
percents.
2
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
3
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
4
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.
5
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.
6
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.
7
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
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