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Fractions, Decimals, And Percents
 

Fractions, Decimals, And Percents

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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 Percents Fractions, Decimals, And Percents Presentation 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.
      • 4 th : your answer is 0.097
    • Try These, Percent  Decimal
      • 16%
      • 62.5%
      • 120%
      Check answers with Ms. D-H.
    • Word Problem Alert
      • 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.
      Check answers with Ms. D-H.
    • 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
      Check answers with Ms. D-H.
    • 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