Common Factors and GCF

Find the common denominator between prime factors, factor trees, and the distributive property. Scholars learn to find the least common multiple and greatest common factor of pairs of numbers. They rotate through stations to connect...

Give the class a prime example of using prime numbers. After reviewing prime factorization of numbers with the video, pupils use their knowledge to determine greatest common factors and least common multiples in the worksheet. The...

This is an exercise in finding the greatest common factor of two whole numbers. Use in direct instruction or as part of your guided practice. Make up additional problems for home work. It also can be used as a mini-assessment or test...

Learners complete activities to practice identifying greatest common factors and least common multiples. They will use real-world problems to practice with. The lesson plan provides problems and a well-written outline to use when...

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...

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...

Here is a unique approach: youngsters use a Venn diagram to identify the greatest common factors of two numbers. This would be a good way to review the concept once they have been exposed to this topic. It includes sample problems that...

Using a word problem, the narrator helps describe how to find the greatest common factor. Not only does she explore the ways to identify the greatest common factor, she also shows how to determine when a math problem is asking for this...

Using the numbers 225 and 270, the narrator explains how to find the greatest common factor and the least common multiple. This presentation could be used in conjunction with other videos in a series exploring how to identify prime...

Beginning with a description that sets the stage, learners are asked to break down the numbers 42 and 63 to find the greatest common denominator using factor trees. As they work through the factoring process, young mathematicians are...