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

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

Give your learners practice finding the greatest common factor (GCF) and 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 math worksheet! 

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

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

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.

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!

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

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

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

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

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

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

Teach your students to use factor rainbows to find the greatest common factor of two given numbers.

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

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

This worksheet gives students practice identifying multiples of a number.

Students will match a product to its factor tree and list of prime factors in this interactive activity.

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

Use these vocabulary cards with the EL Support Lesson: Multiples and Skip Counting.

Use this glossary with the EL Support Lesson: Multiples and Skip Counting.

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

Does your child recognize multiples of five? Here's a multiples game that will help her master her multiplication skills.

Here's a fun way for your second grader to build a foundation multiplication know-how and challenge skip-counting skills. She'll also find multiples of six.

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.

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

Use this glossary with the EL Support Lesson: The Factor Tree Strategy.

Use this glossary with the EL Support Lesson: Factor Friend or Foe?