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Lesson 7-5 Pages 312-315 Fractions, Decimals, and Percents.

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Presentation on theme: "Lesson 7-5 Pages 312-315 Fractions, Decimals, and Percents."— Presentation transcript:

1 Lesson 7-5 Pages 312-315 Fractions, Decimals, and Percents

2 What you will learn! How to write percents as fractions, and vice versa. (Introduced in Chapter 5)

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4 What you really need to know! In lesson 5-5, you wrote percents like 32% as fractions by writing fractions with denominators of 100 and then simplifying. You can use the same method to write percents like 16.8% and 8 1/3 % as fractions.

5 What you really need to know! 1.Divide by 100 to remove a % sign. 2.Multiply by 100 to attach a % sign.

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7 Example 1: In a recent poll, 41.8% of the people surveyed said they gained nutrition knowledge from family and friends. What fraction is this? Write in simplest form.

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10 Example 2: Write 12 ½ % as a fraction in simplest form.

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12 Example 3: In one shipment of fruit to a grocery store, 5 out of 8 bananas were still green. Find this amount as a percent.

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15 Example 4: Write 5/12 as a percent. Round to the nearest hundredth.

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17 Example 5: Write 9/20 as a percent.

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20 Example 5: Write 3/7 as a percent. Round to the nearest hundredth.

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22 Page 314 Guided Practice #’s 4-12

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24 Pages 312-314 with someone at home and study examples! Read:

25 Homework: Page 314-315 #’s 13-39 #’s 41-51 Lesson Check 7-5

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28 Page 581 Lesson 7-5

29 Lesson Check 7-5


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