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3rd - 5th Grade Number Theory Resources

Learn about the world&#39;s most famous irrational number with this helpful handout.

What Is Pi?

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

Math Mixed Review Part 1: Flying Through Fourth Grade

Have your fourth graders work through multiplication problems by learning about factors and why they are important for problem solving.

Find the Factors of Prime and Composite Numbers

Use this number theory worksheet to practice finding the greatest common factor of two numbers by finding the prime factorization!&nbsp;

Find the Greatest Common Factor By Prime Factorization #1

<p>Graph the frequency of each digit in the first 100 digits of pi in this data and graphing worksheet!</p>

Graph the Frequency: The First 100 Digits of Pi

These math exercises will help your child practice finding coordinates, solving integer problems and factoring numbers to boost his or her algebra skills.

Algebra Adventures

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

Find the Factors

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

It's a Maze of Hexagons!

Students build their number sense as they practice finding the least common multiple of whole numbers in this math worksheet!&nbsp;

Least Common Multiple: Part 1

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

Find the Greatest Common Factor By Prime Factorization #2

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

Find the Greatest Common Factor By Prime Factorization #3

Players navigate rivers and streets while demonstrating their knowledge of factors and multiples.

Jumpy: Find the Multiples

Help students build their number sense as they practice finding the least common multiple (LCM) in this helpful practice worksheet.

Least Common Multiple: Part 3

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

Which Numbers Are Prime?

Children practice identifying factors with the help of a factor tree in this multiplication worksheet.

Factor Tree

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

Find the Multiples

Celebrate Pi Day by memorizing the first 100 digits of pi with this helpful resource!

The First 100 Digits of Pi

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

Finding Factors

Integrate the standard algorithm with place value ideas in this worksheet about division.

Division: Listing Multiples

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

Prime Numbers vs Composite Numbers

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

Least Common Multiple: Part 2

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

Identifying Prime Numbers Maze

Give your learners a fun opportunity to celebrate Pi Day with this unique coloring worksheet!

Color the First 100 Digits of Pi

Use this handout to provide students with a fun math-centered challenge in honor of Pi Day!

The First 1,000 Digits of Pi

Understanding how our ten number system works enables students to see interesting and useful patterns and relationships in these math activities. These patterns allow students to develop more efficient mental math strategies when multiplying by multiples of 10 or 100. Students will also review rounding and apply this skill to larger numbers - up to 100,000’s place.

Number Sense 3

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.

Finding Prime Numbers

Players use their knowledge of factors and multiples to help their dinosaur win this math battle.

Dino Crunch: Finding Multiples

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

Matching Factor Tree Cards

Hone mental math skills and boost knowledge of factors and multiples in this skateboarding adventure.

Dino Skateboarding: Find the Factors

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.

More Amaz-ing Hexagons!

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