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

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

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

Calculate and color least common multiples in this sixth-grade worksheet!

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

Identify the greatest common factor of two numbers with this colorful sixth-grade worksheet!

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

Use the concept of area to help find the greatest common factor in this sixth-grade worksheet!

Students build their number sense by finding the multiples of whole numbers in this fourth-grade math worksheet!

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

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

Use your multiplication skills to find factors of 60 and better understand time.

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

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

Aim for multiples of six on this worksheet with a carnival toss theme. To keep track, write the numbers at the bottom of the page.

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!

Finding the greatest common factor is great fun in this color by numbers worksheet!

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.

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

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