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

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### Transcript

• 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%