Created by:
Math & Movement
Estimated Activity Time:
Standard:
Number System
Concept(s):
Greatest Common Factor
Activity Instructions
Place two products on the edges of the mat (e.g. 24, 18). Have students place the prime factors of 24 beneath it in the factors squares. (Break down larger factors as needed.) Then ask if any of those factors are also factors of 18. If they are leave them on the mat, if not take them off. Have students multiply all the factors that are left on the mat to get the Greatest Common Factor.