Fractions, Decimals, And Percents
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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 Presentation Transcript

  • 1. 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
  • 2. 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.
  • 3. 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.
  • 4. 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.
  • 5. 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
  • 6. Try These, Percent  Decimal
    • 16%
    • 62.5%
    • 120%
    Check answers with Ms. D-H.
  • 7. 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.
  • 8. 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!
  • 9. 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.
  • 10. 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).
  • 11. 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.
  • 12. Try This One Too:
    • Three out of eleven families in Argentina own Tarantulas. To the nearest percent, what percent of families own Tarantulas?
    27%
  • 13. Assignment #21
    • Practice 6-4
    • www.phschool.com, code: awe-0604