Bus #3 needs to get to some houses! Help your child practice his number sense by looking for multiples of three.

Get this bus to the multiples of four, and practice number sense with your child. He'll have fun putting skip counting skills and multiplication into practice.

Think about the importance of determining the factors of a product.

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

Find factor pairs of two-digit numbers with this fourth-grade math worksheet!

Boost your learner's understanding of number theory with this sixth-grade math worksheet all about prime factorization!

Master determining the greatest common factor (GCF) of a set of numbers with this inviting worksheet!