Teach your students to use factor rainbows to find the greatest common factor of two given numbers.

Children practice identifying factors with the help of a factor tree in this multiplication worksheet.

Give your students practice finding the least common multiple (LCM) with this fun code-breaking worksheet!

Give your students practice finding the greatest common factor (GCF) with this fun code-breaking worksheet!

Find the greatest common factor (GCF) using the prime factorization method with this sixth-grade practice worksheet!