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

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

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

Help students build their number sense as they practice finding the least common multiple (LCM) in this helpful practice worksheet.

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.

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

Learn to determine the greatest common factor of a set of numbers in this sixth-grade worksheet!

Test your ability to find the greatest common factor (GCF) of a set of numbers with this worksheet!

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

Test your multiplication and division skills with this least common multiple (LCM) worksheet!

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

Students build their number sense as they practice finding the least common multiple of whole numbers in this two-page math worksheet.

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

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

What treasure will you find at the end of these rainbows? Factor pairs, of course!

Give your learners practice finding the greatest common factor (GCF) and the least common multiple (LCM) with this fun code-breaking worksheet!

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

Students continue to hone their understanding of how to find the least common multiple in this math practice worksheet! 

From multi-digit subtraction to identifying prime numbers, assess each student’s mastery of a variety of fourth-grade math skills.

Use this number theory worksheet to practice finding the greatest common factor of two numbers by finding the prime factorization!