Percents, Fractions, and Decimals 12/7

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Percents, Fractions, and Decimals 12/7

• Percent

A ratio that compares a number to 100
54/100 54 36/100 36 4/25 16/100 16
Examples
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• Percents can also be converted into fractions.

Percents as Fractions
Place the percent over 100
Reduce the fraction into simplest form.
Example
88
88 100
4
4
22 25
3
You try

• Write each fraction as a percent
• 67/100
• ¾
• 32/50
• Write each percent as a fraction
• 92
• 48
• 326

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4
Since percents can be written as fractions, they
can also be converted to decimals
Percents as decimals

• The fastest way to convert a percent to a decimal
  is to move the decimal 2 hops left.

Examples
37
37.
0.37
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Decimals as Percents
Decimals can also be converted to percents

• The fastest way to convert a decimal to a percent
  is to move the decimal 2 hops right.

Examples
3.45
345
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You try

• Convert each percent into a decimal
• 25
• 457
• 0.4
• Convert each decimal into a percent
• 0.89
• 0.056
• 9.97