Instructional Video2:26
Visual Learning Systems

The Nature of Waves: Types of Waves

9th - 12th
Upon viewing the The Nature of Waves video series, students will be able to do the following: Define waves as traveling disturbances that carry energy through matter or space. Explain that waves do not actually move matter. Instead,...
Instructional Video6:03
Math Playground

How Do You Find GCF and LCM?

4th - 5th Standards
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...
Instructional Video5:55
Curated OER

How Do You Find the Greatest Common Factor of Two Numbers by Listing Their Factors?

5th - 8th
Greatest common factor, least common multiple, prime factorization, multiples, factors, oh my! The instructor in this video shows how to make different lists of factors to find the greatest common factor. So take a peak and see how to...
Instructional Video4:18
Curated OER

How Do You Find the Least Common Multiple by Multiplying Common Factors?

8th - 11th
Don't get Least Common Multiple mixed up with Greatest Common Factor, it's easy to do. Use the prime factor tree to find the prime factorization of each of the terms given. This is where it gets tricky figuring out the LCM, so watch this...
Instructional Video
Math Playground

Math Playground: How Do You Find the Gcf and Lcm?

5th - 8th Standards
This video illustrates how to find the greatest common factor (GCF) and the least common multiple (LCM) of two numbers.