F-3: Greatest Common Factor

Guided Practice:

Find the Greatest Common Factor (GCF) of the following pair of numbers:

1.  GCF (20, 80)

Screen Shot 2014-06-11 at 3.37.14 PM

 

 

2.  GCF (17, 40)

Screen Shot 2014-06-11 at 3.37.14 PM

 

 

3.  GCF (44, 45)

Screen Shot 2014-06-11 at 3.37.14 PM

 

 

4.  GCF (36, 48)

Screen Shot 2014-06-11 at 3.37.14 PMScreen Shot 2014-06-11 at 3.37.14 PM

 

 

5.  GCF (480, 640)

Screen Shot 2014-06-11 at 3.37.14 PMScreen Shot 2014-06-11 at 3.37.14 PM

 

 

Practice Problems:

Screen Shot 2014-06-16 at 8.19.16 AM

 

ANSWER KEY

1 thought on “F-3: Greatest Common Factor”

  1. Pingback: For Teachers: Please Don’t Teach Exponent Rules | Pre-Algebra

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