7th Grade Lesson Review 9.28.10

On today we reviewed and practiced Prime Factorization and Greatest Common Factor together and seperately, along with reviewing the test on today.  Below you will find a few examples on how to find the GCF using the listing method and Prime factorization to find the GCF.

The following allows you to practice both factoring and finding the GCF and LCM using a venn diagram with the factor tree.
http://nlvm.usu.edu/en/nav/frames_asid_202_g_3_t_1.html?from=category_g_3_t_1.html

GCF practice
http://www.aaastudy.com/g57g_gx1.htm#section2

LCM practice
http://www.aaastudy.com/fra66ix2.htm#section2