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!

Use this glossary with the EL Support Lesson: Doubling Multiples for Division.

In this 2nd grade worksheet, children solve two-digit subtraction problems (some requiring borrowing), then circle the answers that are multiples of 5.

Use these vocabulary cards with the EL Support Lesson: Doubling Multiples for Division.

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

Step up to the challenge with this carnival duck toss, with a mathematical twist! Your student will "knock down" all ducks with multiples of 10.

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.

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

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

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

Test your knowledge of least common multiples with this inviting maze!

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

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! 

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

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

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

Figure out factors with the help of this fun worksheet!

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.

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

Climb toward GCF success in this helpful sixth-grade worksheet!

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