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Module 2 Lesson 13.notebook
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November 21, 2013
11/20/13 Module 2, Lesson 13HW: Lesson 13 Problem Set #1 and 2
Do Now:
Exit Ticket For Lesson 14
Converting Between Fractions and Decimals
Using Equivalent Fractions
QUIZ Tomorrow
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Go Over Exit Ticket 14
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Problem Set Solutions
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Have you ever seen a recipe call for 2.7 cups of flour? Why or why not?
How do you think people would react if a local gas station posted the price of gasoline as dollars per gallon? Why?
Why do we need to know how to represent rational numbers in different ways?
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What do you notice about the denominators of fractions that represent each decimal place?
What are the prime factors of 10? 100? 1000?
What prime factors make up the powers of ten?
How can the prime factorization of the powers of ten be used to write fractions in decimal form?
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Integers Fluency Practice
1.) -9 + 5
2.) -9 + (-5)
3.) 9 + (-5)
4.) -60 + 23
5.) 4 - 10
6.) -4 - 10
7.) -4 - (-10)
8.) 4 - (-10)
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Integers Fluency Practice9.) -5(6)
10.) -5(-6)
11.) 5(-6)
12.) -9(-1)
13.) -819
14.) -81-9
15.) 81 -9
16.)
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Review
1.)
2.)
3.) I paid for 5 months of my gym membership and my bank account changed $-240. What was the change each month?
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CLOSING:
When asked to write a decimal value as a fraction (or mixed number), how do we determine the value of the denominator?
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What are some examples from the real world where decimals are used?
What are some examples from the real world where fractions are used?
Money, metric system, etc.
carpentry, cooking, etc.
