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Module 1 Lesson 11.notebook
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September 24, 2014
Homework:None
Sept. 24th
Aim: Ratios of Fractions and Their Unit Rates
Module 1, Lesson 11
DO NOW: Exam 1 Friday 10/3
Exit Ticket for Lesson 10
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Problem Set 10 solutions S.42
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Problem Set 10 solutions S.42
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Problem Set 10 solutions S.43
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Problem Set 10 solutions S.44
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Opening Exercises S.45
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Complex Fractions
abcd
= ab
cd
Can be re-written as the division of the two fractions.
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S.45
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What fraction of an hour is
10 minutes?
15 minutes?
20 minutes?
30 minutes?
45 minutes?
12
3
4567
8
9
10
1211
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Method 1 (using equations):
That Izzy and Julia ran at a constant rate.
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Method 2 (drawing a picture):
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Method 3 (double number line):
*How do you find the value of a 5 minute time increment? What are you really finding?
*Why were 5 minute time increments chosen?
*What if the times had been 24 and 32, or 18 and 22?
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S.46
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S.46
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S.47
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Closing
