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# Tutorial1

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• 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.
• ### Tutorial1

1. 1. Percentage Basics & Introduction- By Kari Knisely
2. 2. What you will learn… Where percents came from What percents are What percents look like Where percents come from Why we use percents
4. 4. What is a Percent? Per cent Per 100 ÷ 100 %= parts per 100
5. 5. What does a percent look like?
6. 6. What does a percent look like? 40 Test Questions = 100% = 1.0
7. 7. What does a percent look like? 40 Test Questions = 100% = 1.0 50% 50% 20 ?s 20 ?s 0.50 0.50
8. 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. 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. 10. Is more than 100% possible? 200%
11. 11. Is more than 100% possible? 175% 75%
12. 12. Common Percentage Types
13. 13. Common Percentage Types Calculate
14. 14. Common Percentage Types Calculate
15. 15. Common Percentage Types
16. 16. Common Percentage TypesCalculate
17. 17. Common Percentage TypesCalculate
18. 18. Common Percentage Types
19. 19. Common Percentage Types Original \$24.99 Discount - 7.50 Sale Price \$17.49 FL Tax Rate 6% = ?Calculate
20. 20. Common Percentage Types Original \$24.99 Discount - 7.50 Sale Price \$17.49 FL Tax Rate 6% = ?Calculate
21. 21. Why do we use percents?Brad’s Math Test Kim’s Science Test45 questions correct 52 questions correctIF 50 questions total IF 60 questions total
22. 22. Why do we use percents? Brad’s Math Test 45 questions correct IF 50 questions total
23. 23. Why do we use percents? Kim’s Science Test 52 questions correct IF 60 questions total
24. 24. Why do we use percents?
25. 25. Why do we use percents?Brad’s Math Test Kim’s Science Test45 questions correct 52 questions correctIF 50 questions total IF 60 questions total = 90% = 87%
26. 26. Why do we use percents?Brad’s Math Test Kim’s Science Test16 questions correct 16 questions correct
27. 27. Why do we use percents?Brad’s Math Test Kim’s Science Test16 questions correct 16 questions correctIF 20 questions total IF 24 questions total
28. 28. Why do we use percents? Brad’s Math Test 16 questions correct IF 20 questions total
29. 29. Why do we use percents? Kim’s Science Test 16 questions correct IF 24 questions total
30. 30. Why do we use percents?
31. 31. Why do we use percents?Brad’s Math Test Kim’s Science Test16 questions correct 16 questions correctIF 20 questions total IF 24 questions total ≈ 80% ≈ 65%
32. 32. What you have learned… Where percents came from What percents are What percents look like Where percents come from Why we use percents