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

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

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 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.

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

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

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

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

Take a deep dive into prime and composite numbers to 20 with this exploratory worksheet!

Become the prime expert of prime numbers with this engaging maze!

Learn to identify prime and composite numbers in this guided worksheet!

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

Learners practice determining factors of prime and composite numbers with this fourth-grade math worksheet!

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

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

Learn to differentiate between prime and composite numbers with this fun worksheet!

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

It’s time to find the prime numbers in this investigative math worksheet!

Practice identifying prime and composite numbers with this focused worksheet!

Practice identifying factors with this beach-themed worksheet for fourth graders!

List factor pairs with this bright fourth-grade math worksheet!

Reveal a secret number by identifying prime numbers in this fourth-grade worksheet!

It’s time to find the prime numbers in this investigative worksheet!

Figure out factors with the help of this fun worksheet!