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

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

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

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

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!

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!

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

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

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

This multi-part worksheet helps students practice identifying the differences between regular and irregular hexagons while also reviewing their knowledge of composite and prime numbers.

Students practice identifying prime numbers, regular polygons, and irregular polygons!

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

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

With this worksheet, your child will be learning about factors, and they'll be getting multiplication practice as they go.

Does your child know the difference between a prime number and a composite number? Help them learn the difference with this simple worksheet.

What is a prime number? A number is prime when it is only divisible by 1 and itself. Help your little mathematician recognize prime numbers.

Students practice solving a variety of equations, then determine if the answer is a prime number.

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

Give students practice identifying prime numbers with this fun this maze activity!

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

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

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!

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

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

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!

This worksheet gives students practice identifying multiples of a number.