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# 006011 5 2.nbt.7-divide_decimals_by_using_fair_-slides

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### 006011 5 2.nbt.7-divide_decimals_by_using_fair_-slides

1. 1. How do you divide2.4 ÷ 0.6?
2. 2. In this lesson you will learn howto divide decimals by using a fair share model.
3. 3. Let’s Review Let’s Review Hundreds Tens Ones Ones Hundreds Ones Tens 3 single units = 3 1 2 31 group of 100 = 2 groups100 of ten = 20
4. 4. Let’s ReviewLet’s Review Whole Unit (Ones) Hundredths Tenths
5. 5. Let’s ReviewLet’s Review 1.23 1 Whole 2 Tenths 3 Hundredths Hundredths Tenths Ones 1 2 3
6. 6. Let’s Common Mistake A Review Forgetting to take the decimal into consideration when dividing. 12 ÷ 0.6 ≠ 2
7. 7. Core LessonLet’s Review Smart Estimate 2.4 ÷ 0.6 0.6 is close to 0.52.4 is close to 2.5 2.4 ÷ 0.6 ≈ 2.5 ÷ 0.5 = 5 Smart estimate: around 5
8. 8. Core Lesson Let’s Review 2.4 ÷ 0.6 = 4 This is a reasonableanswer since it is close to my smart estimate
9. 9. Core Lesson Let’s ReviewJustin has 3.2 pounds of candy to share. He is putting them in bagswhich each hold 0.5 lb. How many bags will he fill? Will there be any left over? 3.2 ÷ 0.5 ≈ 3.2 is close to 3 3 ÷ 0.5 = 6 Smart estimate: Around 6
10. 10. Core Lesson Let’s Review 3.2 ÷ 0.5 = 6 with 2 left This is a reasonableanswer since it is close to my smart estimate
11. 11. In this lesson you have learnedhow to divide decimals by using fair sharing.
12. 12. Guided PracticeLet’s Review 3.3 ÷ 1.1
13. 13. Let’s Review Activities ExtensionDraw a chart showing the quotients for theseproblems. Then explain the patterns you see inthe quotients.1.2 ÷ 6; 1.2 ÷ 0.6; 1.2 ÷ 0.06
14. 14. Let’s Review Activities ExtensionExplain how these two problems arerelated.24 divided by 62.4 divided by 0.06
15. 15. Which drawing shows a fair share Quick Quiz Let’s Review method of dividing 2.8 by .7?A CB