Here's a way for your third grader to practice finding multiples of two.

Become a GCF master with this math worksheet! Practice finding the greatest common factor of 2 or 3 numbers ranging all the way up to 100.

Grow students’ math skills with more practice finding the greatest common factor by using factor trees to find the prime factorization.

Master least common multiples (LCMs) in this essential sixth-grade worksheet!

Practice calculating the least common multiple (LCM) of two numbers with this useful worksheet!