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Tutorial1
- 1. Percentage Basics & Introduction - By Kari Knisely
- 2. What you will learn… Where percents came from What percents are What percents look like Where percents come from Why we use percents
- 3. Where did percents come from? Merriam-Webster – click here for more information Encyclopedia/Merriam-Webster – click here for more information Merriam-Webster Dictionary. Retrieved on March, 24 2012 from http://www.merriam- webster.com/dictionary/percent
- 4. What is a Percent? Per cent Per 100 ÷ 100 %= parts per 100
- 5. What does a percent look like?
- 6. What does a percent look like? 40 Test Questions = 100% = 1.0
- 7. What does a percent look like? 40 Test Questions = 100% = 1.0 50% 50% 20 ?s 20 ?s 0.50 0.50
- 8. What does a percent look like? 40 Test Questions = 100% = 1.0 25% 25% 10 ?s 10 ?s 0.25 0.25 25% 25% 10 ?s 10 ?s 0.25 0.25
- 9. What does a percent look like? 40 Test Questions = 100% = 1.0 12.5% 12.5% 5 ?s 5 ?s 12.5% 0.125 0.125 12.5% 5 ?s 5 ?s 0.125 0.125 12.5% 12.5% 5 ?s 5 ?s 0.125 12.5% 12.5% 0.125 5 ?s 5 ?s 0.125 0.125
- 10. Is more than 100% possible? 200%
- 11. Is more than 100% possible? 175% 75%
- 13. Common Percentage Types Calculate
- 14. Common Percentage Types Calculate
- 19. Common Percentage Types Original $24.99 Discount - 7.50 Sale Price $17.49 FL Tax Rate 6% = ? Calculate
- 20. Common Percentage Types Original $24.99 Discount - 7.50 Sale Price $17.49 FL Tax Rate 6% = ? Calculate
- 21. Why do we use percents? Brad’s Math Test Kim’s Science Test 45 questions correct 52 questions correct IF 50 questions total IF 60 questions total
- 22. Why do we use percents? Brad’s Math Test 45 questions correct IF 50 questions total
- 23. Why do we use percents? Kim’s Science Test 52 questions correct IF 60 questions total
- 24. Why do we use percents?
- 25. Why do we use percents? Brad’s Math Test Kim’s Science Test 45 questions correct 52 questions correct IF 50 questions total IF 60 questions total = 90% = 87%
- 26. Why do we use percents? Brad’s Math Test Kim’s Science Test 16 questions correct 16 questions correct
- 27. Why do we use percents? Brad’s Math Test Kim’s Science Test 16 questions correct 16 questions correct IF 20 questions total IF 24 questions total
- 28. Why do we use percents? Brad’s Math Test 16 questions correct IF 20 questions total
- 29. Why do we use percents? Kim’s Science Test 16 questions correct IF 24 questions total
- 30. Why do we use percents?
- 31. Why do we use percents? Brad’s Math Test Kim’s Science Test 16 questions correct 16 questions correct IF 20 questions total IF 24 questions total ≈ 80% ≈ 65%
- 32. What you have learned… Where percents came from What percents are What percents look like Where percents come from Why we use percents
- 33. Works Cited All images retrieved from Google images
- 34. Why do we use percents? 16 ?s If 20 total ?s 0 ?s 5 ?s 10 ?s 15 ?s 20 ?s 0% 25% 50% 75% 100% ≈ 80% 16 ?s If 24 total ?s o ?s 6 ?s 12 ?s 18 ?s 24 ?s 0% 25% 50% 75% 100% ≈ 65%
- 35. Why do we use percents? 45 ?s If 50 total ?s 0 ?s 12.5 ?s 25 ?s 37.5 ?s 50 ?s 0% 25% 50% 75% 100% ≈ 90% 52 ?s If 60 total ?s o ?s 15 ?s 30 ?s 45 ?s 60 ?s 0% 25% 50% 75% 100% ≈ 87%
Notas del editor
- Can we assume Kim did better than Brad because she got more questions right even though there were different amounts of questions on the tests? ? 100 is an easy number to work with. If we compare the two test scores out of parts per 100 then we can compare them evenly.
- Can we assume Kim did better than Brad because she got more questions right even though there were different amounts of questions on the tests? ? 100 is an easy number to work with. If we compare the two test scores out of parts per 100 then we can compare them evenly.
- Can we assume Kim did better than Brad because she got more questions right even though there were different amounts of questions on the tests? ? 100 is an easy number to work with. If we compare the two test scores out of parts per 100 then we can compare them evenly.
- Can we assume Kim did better than Brad because she got more questions right even though there were different amounts of questions on the tests? ? 100 is an easy number to work with. If we compare the two test scores out of parts per 100 then we can compare them evenly.
- Can we assume Kim did better than Brad because she got more questions right even though there were different amounts of questions on the tests? ? 100 is an easy number to work with. If we compare the two test scores out of parts per 100 then we can compare them evenly.