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MJ3. Ch 2.3.2 – Simplifying Fractions (pg. 611). Bellwork. Please take out your assignment from yesterday and leave it on your desk so that I can check it. Find the GCF 6, 18, 40 17, 34. Before we begin…. Please take out your notebook and get ready to work…

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MJ3

Ch 2.3.2 – Simplifying Fractions (pg. 611)

bellwork
Bellwork
  • Please take out your assignment from yesterday and leave it on your desk so that I can check it.
  • Find the GCF
  • 6, 18, 40
  • 17, 34
before we begin
Before we begin…
  • Please take out your notebook and get ready to work…
  • Yesterday we reviewed how to get the GCF of two or more numbers
  • Today we will use what we learned about the GCF to simplify fractions….
objective
Objective
  • Students will simplify fractions using the GCF
simplifying fractions
Simplifying Fractions
  • When a rational number is represented by a fraction it is often expressed in simplest form
  • A fraction is in its simplest form when the GCF of the numerator and denominator is 1
  • There are 2 methods to simplify fractions using the GCF
    • Divide by the GCF
    • Prime factorization of the numerator and denominator
dividing by gcf
Dividing by GCF
  • Demonstrate on board using 30/45
using prime factorization
Using Prime Factorization
  • Demonstrate on board using 30/45
comments
Comments
  • These are 2 of several strategies that you can use to simplify fractions…
  • Personally, I do not use either of these methods as I know my multiplication tables…You will make your life easier if you know your multiplication tables by rote memory…
  • Ultimately, you are required to know how to simplify fractions…you may use whichever method you are most comfortable with…
your turn
Your Turn
  • In the notes section of your notebook simplify the following using either of the methods we discussed today…
  • 15/30
  • 8/48
  • 12/36
assignment
Assignment
  • Text p. 611 # 1 - 38
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