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4th - 8th Grade Number Theory Resources : Page 2

Practice approximating irrational numbers on number lines with this eighth-grade math worksheet!

Approximating Irrational Numbers on Number Lines

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

Fill in the Factor Tree

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

Dino Crunch: Finding Multiples

Help students solidify their knowledge of rational and irrational numbers by challenging them with this fun and unique maze!

Identifying Irrational Numbers Maze

Students practice comparing irrational numbers in this helpful number sense worksheet!&nbsp;

Comparing Rational and Irrational Numbers

Teach your students to use factor rainbows to find the greatest common factor of two given numbers.

Greatest Common Factor

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

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

Think about the importance of determining the factors of a product.

Factor or Not?

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

The First 1,000 Digits of Pi

Learning to identify prime numbers can be tricky. But this fun card game can make memorizing some basic prime numbers a breeze.

In Your Prime

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

What Is Pi?

Learners determine if each statement about rational and irrational numbers is true or false in this eighth-grade math worksheet!

Rational and Irrational Numbers: True or False

Practice finding rational approximations for irrational square roots in this eighth-grade math worksheet!&nbsp;

Approximations of Square Roots on Number Lines

Get practice estimating cube roots with this eighth-grade number sense worksheet!

Estimate Cube Roots

Use this one-page handout to help students solidify their understanding of&nbsp;the real number system!

Real Numbers Handout

Give students a chance to demonstrate their understanding of real numbers with unique math worksheet!

Real Numbers: Always, Sometimes, Never

Learn how to approximate cube roots with this eighth-grade math worksheet!

Approximating Cube Roots

This worksheet gives students practice identifying multiples of a number.

Which Is Not a Multiple?

Give your child prime number practice with this simple worksheet.

Prime Number Practice

<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

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!

How well do you know your rational and irrational numbers? Find out with this number sense game! 

Dino Crunch: Irrational Numbers

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

Vocabulary Cards: The Factor Tree Strategy

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

Glossary: Doubling Multiples for Division

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

Glossary: Multiples and Skip Counting

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

Color the First 100 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

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

Vocabulary Cards: Multiples and Skip Counting

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

Vocabulary Cards: Conversations About Prime and Composite Numbers

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