Activity
University of Regina (Canada)

University of Regina: Math Central: Greatest Common Divisor and Least Common Multiple

For Students 9th - 10th
Learn about the greatest common divisor, the least common multiple, and the Euclidean Algorithm. This resource gives a description of each of these concepts, accompanied by several examples.
Interactive
Other

Greatest Common Factor Calculator

For Students 9th - 10th Standards
Free online calculator provides help with finding the greatest common factor.