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.

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

Use these vocabulary cards with the EL Support Lesson: Conversations About Prime and Composite Numbers.

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

Practice with prime and composite numbers in this colorful fourth-grade worksheet!

Practice calculating the least common multiple (LCM) of two numbers with this useful worksheet!

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

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

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

Test your knowledge of rational and irrational numbers with this enriching worksheet!

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

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

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

Track down the tricky hidden number in this eighth-grade worksheet!

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.

Get more practice determining factors of prime and composite numbers with this helpful math 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.

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

Uncover the hidden number with this investigative worksheet on prime and composite numbers!

In this eighth-grade math worksheet, students will approximate square roots of non-perfect squares by finding the two whole numbers that the square root falls between.

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

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

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

Showcase your knowledge of rational and irrational numbers with this eighth-grade worksheet!

Master determining the greatest common factor (GCF) of a set of numbers with this inviting worksheet!

Let’s practice sorting rational and irrational numbers with this engaging worksheet!