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Edi Ns 1 2 Interpret Percents As Part Of A Hundred
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Edi Ns 1 2 Interpret Percents As Part Of A Hundred

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  • 1. Today we will interpret percent as a part of a hundred. interpret – figure out; understand percent – per one hundred (100) Concept
  • 2. When you take a test your score is shown as a percent. For example, lets say you take a math test that has 100 questions on it. If you score 70 correct, your percentage would be 70 %. APK
  • 3. Percent means per hundred. It is another way of saying, “out of one hundred.” Percent CD
  • 4. Definition
    • “ Cent” is a Latin root word which means 100.
    • Many words have come from the root cent such as:
      • century
      • centimeter
      • centipede
      • cent
    CD
  • 5. One hundred
    • 100
    CD
  • 6. CD
  • 7. 100 pennies = $1.00 CD
  • 8. Money and Percents
    • $ .50 is ½ of a dollar
    • 50% means ½
    50 ¢ 50 ¢ = $1.00 + CD
  • 9. Understanding Relationships 50% .50 = = = Decimal Fraction Fraction Simplified Percent CD 50 100 1 2
  • 10. 100 books! I have read 95 books out of my 100-book- collection. 95 % CD
  • 11. 20 out of 100 = 20% or CD 10 10
  • 12. 40 out of 100 = 40% Or CD 10 10
  • 13. 50 out of 100 = 50% or CD 10 10
  • 14. 10 out of 100 units are shaded blue. CD = 10 % 10 100
  • 15. 30 out of 100 units are shaded blue. CD = 30 % 30 100
  • 16. 80 out of 100 units are shaded blue. CD = 90 % 90 100
  • 17. Why is understanding percent important?
    • You will know the relationship between any number and 100 as a percent .
    • You will know how a percent translates into fractions .
    • What are other reasons why it is important to know how to understand
    IMP
  • 18. What is the Percentage ? If 24 out of 100 units are shaded blue. GP = __ % _24_ 100
  • 19. What is the Percentage ? If 32 out of 100 units are shaded blue. GP = __ % _32_ 100
  • 20. What is the Percentage ? If 16 out of 100 units are shaded blue. GP = __ % _16_ 100
  • 21. what is 55 % of 100? GP
  • 22. what is 55 % of 100?
    • 55
    GP
  • 23. what is 75 % of 100? GP
  • 24. what is 75 % of 100?
    • 75
    GP
  • 25. what is 45 % of 100? GP
  • 26. what is 45 % of 100?
    • 45
    GP
  • 27. what is 100 % of 100? 100 100 = 1 x 100 GP
  • 28. what is 100 % of 100?
    • 100
    100 100 = 1 x 100 GP
  • 29. How we are going to interpret percent as a part of a hundred.
    • Look at the diagram representing 100
    • Count the shaded boxes inside the 100’s chart
    • Write the answer in fraction form and percentage
    There are 10 boxes shaded! = 10%
  • 30. How we are going to interpret percent as a part of a hundred.
    • Look at the diagram representing 100
    • Count the shaded boxes inside the 100’s chart
    • Write the answer in fraction form and percentage
    There are 31 boxes shaded! = 31%
  • 31. How we are going to interpret percent as a part of a hundred.
    • Look at the diagram representing 100
    • Count the shaded boxes inside the 100’s chart
    • Write the answer in fraction form and percentage
    There are 51 boxes shaded! = 51%
  • 32. How we are going to interpret percent as a part of a hundred.
    • Look at the diagram representing 100
    • Count the shaded boxes inside the 100’s chart
    • Write the answer in fraction form and percentage
    There are 50 boxes shaded! = 50%
  • 33. Let’s review what we learned about how to interpret percent as a part of a hundred
    • What does percent mean?
    • How do you write
    • as a percentage?
    • How do you write 80% as a fraction?
    “ out of a hundred” 10%