This document contains notes from a math lesson on converting fractions to decimals. It includes examples of fraction to decimal conversions using prime factorizations of denominators. Students are assigned problems sets and quizzed on integers. Real world examples of decimals in money and metrics are discussed. Fractions in carpentry and cooking are also provided as examples.

1. Module 2 Lesson 13.notebook
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November 21, 2013
Module 2, Lesson 13
HW: Lesson 13 Problem
Set #1 and 2
Converting Between
Fractions and Decimals
Using Equivalent Fractions
QUIZ Tomorrow
Do Now:
Exit Ticket For Lesson 14
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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
5.) 4 - 10
2.) -9 + (-5)
6.) -4 - 10
3.) 9 + (-5)
7.) -4 - (-10)
4.) -60 + 23
8.) 4 - (-10)
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Integers Fluency Practice
9.) -5(6)
13.) -81
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10.) -5(-6)
11.) 5(-6)
14.) -81
-9
12.) -9(-1)
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?
Money, metric system, etc.
What are some examples from the real world where fractions are used?
carpentry, cooking, etc.
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