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Greatest Common Factor
Sixth graders create a Venn-diagram to display the greatest common factor between two numbers. They work in pairs to find the greatest common factor of two numbers. They complete Venn Diagrams of two numbers and three numbers.
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Find GCF by Listing Factor Pairs
Make some treat bags for the class by finding out how many treats go in each bag with the greatest common factor. The video goes step by step to find out the total amount of bags they can use. The method lists all factor pairs, not just...
5 mins 5th - 7th Math CCSS: Designed
Study Jams! Greatest Common Factor
When one method isn't enough to teach GCF, try two! This interactive webpage introduces factors and the prime factor tree to find the greatest common factor of two numbers. After the lesson, have learners click to try the two examples...
5th - 8th Math CCSS: Adaptable
How Do You Find the Greatest Common Factor If There are No Common Factors?
Use prime factorization to find the greatest common factor of three given values. Okay. But what if there doesn't seem to be any integer that is common in all three given values? Well, then, the greatest common factor must be 1. Not sure...
3 mins 6th - 9th Math