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By creating a list of factors for two numbers, it is easier to see the greatest common factor. Each question in an interactive resource asks pupils to identify the greatest common factor for the numbers 24 and 36 in several different ways, including in a list and in fractions.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Use as a way to introduce list organization for finding GCF; the link provides ways to elaborate on the topic
- Assign to Google Classroom to keep track of progress
Classroom Considerations
- Assumes learners can find the greatest common factor of two numbers and simplify a fraction based on the GCF
- Ensure all users have access to a free CK-12 account
Pros
- The list format allows pupils to organize factors in any order they wish, which allows for better visualization of the greatest common factor
- Includes multiple choice and short-answer word problems
Cons
- None