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.
Transcript
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 informationEncyclopedia/Merriam-Webster – click here for more informationMerriam-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
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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.
Why do we use percents?Brad’s Math Test Kim’s Science Test16 questions correct 16 questions correct
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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
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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
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%
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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
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Why do we use percents? 16 ?s If 20 total ?s0 ?s 5 ?s 10 ?s 15 ?s 20 ?s0% 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%
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Why do we use percents? 45 ?s If 50 total ?s0 ?s 12.5 ?s 25 ?s 37.5 ?s 50 ?s0% 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%
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