Finding common factors is just common sense. Individuals watch a short video to learn how to find the greatest common factor of two numbers. The method the video uses is to list out all the factors of each number, circle the common factors, then identify the greatest one.

Concepts

factors, common factors, greatest common factor

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Additional Tags

math

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Instructional Ideas

• Use the worksheet as homework
  

Classroom Considerations

• The intended audience of the resource is learners studying for the General Certificate of Secondary Education (GCSE)
  
• Video uses the phrase highest common factor rather than greatest common factor
  

Pros

• Includes an answer key for the practice questions
  
• Provides a worksheet of additional textbook exercises
  

Cons

• None

Common Core

6.NS.B.4