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Prime and Composite Numbers**

Prime Factorization

Worksheet

Prime Factorization

This prime factorization worksheet is perfect for fourth grade mathematicians. Try this prime factorization worksheet to introduce your child to the concept.

4th grade

Math

Worksheet

Which Numbers Are Prime?

Worksheet

Which Numbers Are Prime?

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

4th grade

Math

Worksheet

Math Mixed Review Part 1: Flying Through Fourth Grade

Worksheet

Math Mixed Review Part 1: Flying Through Fourth Grade

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

4th grade

Math

Worksheet

Finding Factors

Worksheet

Finding Factors

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

4th grade

Math

Worksheet

Practice with Prime Numbers

Worksheet

Practice with Prime Numbers

Help your child get to know his prime numbers with this challenging practice sheet. He'll test his ability to identify a prime number.

4th grade

Math

Worksheet

Fill in the Factor Tree

Worksheet

Fill in the Factor Tree

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

4th grade

Math

Worksheet

Finding Prime Numbers

Worksheet

Finding Prime Numbers

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.

4th grade

Math

Worksheet

Prime Number Practice

Worksheet

Prime Number Practice

Give your child prime number practice with this simple worksheet.

4th grade

Math

Worksheet

Prime Numbers vs Composite Numbers

Worksheet

Prime Numbers vs Composite Numbers

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

4th grade

Math

Worksheet

Prime Factorization Explained

Worksheet

Prime Factorization Explained

Learn to break numbers down to their smallest possible pieces: prime numbers.

5th grade

Math

Worksheet

It's a Maze of Hexagons!

Worksheet

It's a Maze of Hexagons!

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

4th grade

Math

Worksheet

Prime Number Card Code

Worksheet

Prime Number Card Code

To solve this math worksheet your kid will need to follow the instructions and use his knowledge of prime numbers.

4th grade

Math

Worksheet

Prime Number Turtles

Worksheet

Prime Number Turtles

Learn all about prime numbers with some turtle friends.

5th grade

Math

Worksheet

Vocabulary Cards: Conversations About Prime and Composite Numbers

Worksheet

Vocabulary Cards: Conversations About Prime and Composite Numbers

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

4th grade

Math

Worksheet

More Amaz-ing Hexagons!

Worksheet

More Amaz-ing Hexagons!

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.

4th grade

Math

Worksheet

Math takes practice and memorization, which is why prime and composite number worksheets offer both. For 4th and 5th graders, understanding prime numbers and how they work is crucial to later math. Prime and composite number worksheets use stimulating concepts to get your child thinking. Learn prime numbers with turtles, complete the hexagon maze, and solve the prime number card code with these educational worksheets.