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Module 1 Lesson 12 Ratios of Fractions and Unit Rates.notebook
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December 20, 2016
Homework:1.) Page 58 Problem Set #1, 1, 22.) Module 1 Exam Thursday 12/22
12/20/16
Aim: Ratios of Fractions and Their Unit Rates
Module 1, Lesson 12
DO NOW:
Complete Opening Exercise 1 on Page 55
Module 1 Lesson 12 Ratios of Fractions and Unit Rates.notebook
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Problem Set 11 solutions 52
Module 1 Lesson 12 Ratios of Fractions and Unit Rates.notebook
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Problem Set 11 solutions 53
Module 1 Lesson 12 Ratios of Fractions and Unit Rates.notebook
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Problem Set 11 solutions 53
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Opening Exercises 55
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Complex Fractions
abcd
= ab
cd
Can be re-written as the division of the two fractions.
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55
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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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56
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Closing
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