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MJ3

MJ3. 2.3.1 - Greatest Common Factor (Pg. 610). Bellwork. Please take out your assignment from yesterday and leave it on your desk so that I can check it. Simplify 5 ∙ 6 6 7 5  1 8 6 2 3/5 + 7 3/5 3 – 2 5 3. Before we begin….

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MJ3

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  1. MJ3 2.3.1 - Greatest Common Factor (Pg. 610)

  2. Bellwork • Please take out your assignment from yesterday and leave it on your desk so that I can check it. • Simplify • 5 ∙ 6 6 7 • 5  1 8 6 • 2 3/5 + 7 3/5 • 3 – 2 5 3

  3. Before we begin… • Please take out your notebook and get ready to work…. • Yesterday we reviewed adding, subtracting, multiplying & dividing fractions • Today we will look at the greatest common factor of two or more numbers….this strategy can be helpful when simplifying fractions…

  4. Objective • Students will find the Greatest Common Factor (GCF) of two or more numbers

  5. Greatest Common Factor • The greatest of the factors common to two or more numbers is called the Greatest Common Factor (GCF) • There are 2 methods to find the GCF • List the factors for each number • Use a factor tree

  6. Listing the Factors • Demonstrate on Board how to list the factors of 36 and 60

  7. Creating a Factor Tree • Demonstrate on board how to create a factor tree for 36 and 60

  8. Your Turn • In the notes section of your notebook use either method to find the GCF of 54, 81, and 90

  9. Assignment • Text p. 610 # 1 - 18

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