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

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

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

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

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

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

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

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

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

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! 

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

Figure out factors with the help of this fun worksheet!

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

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

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

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

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

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

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

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

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