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# Fractions, Decimals, And Percents

## on Mar 24, 2010

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Fractions, Decimals and Percents. Chapter 6, Section 4

Fractions, Decimals and Percents. Chapter 6, Section 4

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## Fractions, Decimals, And PercentsPresentation Transcript

• Chapter 6, Section 4: Fractions, Decimals, and Percents
• Write each faction as a decimal.
• 5/8
• 9/20
• ¾
• 5/6
• 2/3
• 8/11
• 0.625
• 0.45
• 0.75
• 0.833333
• 0.66666
• 0.72727272727272
• Percent
• A PERCENT is a Ratio that Compares a number to 100.
• Therefore, you can write a percent as a fraction with a denominator of 100.
• If you can write it as a fraction, it means you can write it as a ratio, decimal, and percent as well.
• Write as a fraction or mixed number in Simplest Form.
• 5%
• 58%
• 144%
• 72%
1 st : Write as the % over 100 (#/100) 2 nd : Simplify. Check answers with Ms. D-H.
• Percent  Decimal
• Write the Percent as a Fraction, with a denominator of 100, then Divide.
• Remember Top Number goes in the House.
• Bottom Number goes outside of the House.
• Try This: Percent  Decimal
• 9.7 %
• 1 st : Don’t let the decimal percent phase you.
• 2 nd : Put 9.7 over 100 to make a fraction.
• 3 rd : Divide 9.7 by 100.
• Try These, Percent  Decimal
• 16%
• 62.5%
• 120%
• About 45% of the people in the United States have type O blood. Express this percent as a decimal and as a fraction in simplest form.
• Decimal  Percent
• 1 st : Rewrite Decimal as a Fraction, with a denominator of 100.
• 2 nd : Write the fraction as a percent.
• OR
• Move the decimal point two places to the right and add a percent sign!
• Try These: Use the First Method, Check your Answer with the Second Method: Decimal  Percent
• 0.333
• 0.023
• 1.75
• Fraction  Percent
• 1 st : Divide the numerator by the denominator.
• 2 nd : Turn the Decimal quotient into a percent (using either of the previous two methods).
• Try This:
• Five out of sixteen families in the Argentina own Penguins. What percent of families own Penguins?
• 1 st : Write as a fraction.
• 2 nd : Divide the numerator by the denominator.
• 3 rd : Write as a percent.
• Try This One Too:
• Three out of eleven families in Argentina own Tarantulas. To the nearest percent, what percent of families own Tarantulas?
27%
• Assignment #21
• Practice 6-4
• www.phschool.com, code: awe-0604