Reviewing Percents WHAT ARE PERCENTS Percent comes from

"Percent" comes from the Latin Per Centum. The Latin word Centum means 100, for

• The number of something per (or out of) 100 • So, 40%

$• How would you write 77% as a fraction? 77/100 • What about$

There are only two steps. 1. Drop the percent sign 2. Then move the

Let’s try some examples 5% • Drop the percent sign 115% • Drop the

15. 7% One more…. What was the first step? 15. 7 Now for the

CONVERTING DECIMALS TO PERCENTS To turn a decimal into a percent you just reverse

. 98 22. 76 • Move the decimal two places to the right. 98.

$Converting fractions to percents$

• First you have to convert it into a decimal. • Just divide

Fraction Decimal Percent 1/2 0. 63 10% 1/4 0. 15 12% 100% 3/4 Remember

Fraction Decimal 1/2 0. 50 Percent 0. 63 10% 1/4 0. 15 12% 100%

Fraction Decimal Percent 1/2 0. 50 50% 0. 63 10% 1/4 0. 15 12%

Fraction Decimal Percent 1/2 0. 50 50% 0. 63 63% 10% 1/4 0. 15

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 10% 1/4 0.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 10% 1/4

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 0. 10

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Reviewing Percents

WHAT ARE PERCENTS?

"Percent" comes from the Latin Per Centum. The Latin word Centum means 100, for example a Century is 100 years.

• The number of something per (or out of) 100 • So, 40% is…. • 40 out of 100 or… • 40/100 • Now you’ve written a percent as a fraction. So percent means……

$• How would you write 77% as a fraction? 77/100 • What about$

• How would you write 77% as a fraction? 77/100 • What about 60% ? 60/100 • This would reduce to 3/5 Let’s try some more….

CONVERTING PERCENTS TO DECIMALS

There are only two steps. 1. Drop the percent sign 2. Then move the decimal two places to the left How do you write them as a decimal?

Let’s try some examples 5% • Drop the percent sign 115% • Drop the percent sign 5. 115. • Move the decimal two places to the left . 05 1. 15

15. 7% One more…. What was the first step? 15. 7 Now for the second step… . 157 Excellent!!

CONVERTING DECIMALS TO PERCENTS To turn a decimal into a percent you just reverse the steps. Move the decimal two places to the RIGHT and add the % sign.

. 98 22. 76 • Move the decimal two places to the right. 98. 2276. • Add the percent sign 98% • Add the percent sign 2276% Let’s convert some decimals to percent

$Converting fractions to percents$

Converting fractions to percents

• First you have to convert it into a decimal. • Just divide the top number (numerator) by the bottom number (denominator). • Ex. 11/25 = 11 divided by 25 • The answer is. 44 • Then convert the decimal to a percent. 44% How do you turn a fraction into a percent?

Fraction Decimal Percent 1/2 0. 63 10% 1/4 0. 15 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal 1/2 0. 50 Percent 0. 63 10% 1/4 0. 15 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 0. 63 10% 1/4 0. 15 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 0. 63 63% 10% 1/4 0. 15 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 10% 1/4 0. 15 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 10% 1/4 0. 15 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 0. 10 10% 1/4 0. 15 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 0. 10 10% 1/4 0. 25 0. 15 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 0. 10 10% 1/4 0. 25 25% 0. 15 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 0. 10 10% 1/4 0. 25 25% 0. 15 15% 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 0. 10 10% 1/4 0. 25 25% 3/20 0. 15 15% 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 0. 10 10% 1/4 0. 25 25% 3/20 0. 15 15% 3/25 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 0. 10 10% 1/4 0. 25 25% 3/20 0. 15 15% 3/25 0. 12% 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 0. 10 10% 1/4 0. 25 25% 3/20 0. 15 15% 3/25 0. 12% 1 3/4 Remember to reduce the fraction to its simplest form. 100%

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 0. 10 10% 1/4 0. 25 25% 3/20 0. 15 15% 3/25 0. 12% 1 1 100% 3/4 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 0. 10 10% 1/4 0. 25 25% 3/20 0. 15 15% 3/25 0. 12% 1 1 100% 3/4 0. 75 Remember to reduce the fraction to its simplest form.

Fraction Decimal Percent 1/2 0. 50 50% 63/100 0. 63 63% 1/10 0. 10 10% 1/4 0. 25 25% 3/20 0. 15 15% 3/25 0. 12% 1 1 100% 3/4 0. 75 75% Remember to reduce the fraction to its simplest form.