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

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

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

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!

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!

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

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

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

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

List factor pairs with this bright fourth-grade math 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!

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

Introduce your child to factor trees with this simple algebra worksheet.

Give your child prime number practice with this simple worksheet.

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

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

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

Figure out factors with the help of this fun worksheet!

Practice identifying prime and composite numbers with this focused worksheet!

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

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

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

This worksheet gives students practice identifying multiples of a number.

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