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

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

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

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

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

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! 

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.

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

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

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

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

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

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

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

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

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

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.

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

Use these vocabulary cards with the EL Support Lesson: Factor Friend or Foe?

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

Use these vocabulary cards with the EL Support Lesson: The Factor Tree Strategy.

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

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

This worksheet gives students practice identifying multiples of a number.

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

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