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Number Theory Resources : Page 2

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Prime Numbers vs Composite Numbers
Prime Numbers vs Composite Numbers
Interactive Worksheet
Prime Numbers vs Composite Numbers large image
Prime Numbers vs Composite Numbers
Fourth Grade
Number Theory
Does your child know the difference between a prime number and a composite number? Help them learn the difference with this simple worksheet.
Interactive Worksheet
Prime Numbers vs Composite Numbers
Prime Numbers vs Composite Numbers
Interactive Worksheet
Prime Numbers vs Composite Numbers
Does your child know the difference between a prime number and a composite number? Help them learn the difference with this simple worksheet.
Fourth Grade
Number Theory
Interactive Worksheet
Factor or Not?
Factor or Not?
Worksheet
Factor or Not? large image
Factor or Not?
Fourth Grade
Multiplication
Think about the importance of determining the factors of a product.
Worksheet
Factor or Not?
Factor or Not?
Worksheet
Factor or Not?
Think about the importance of determining the factors of a product.
Fourth Grade
Multiplication
Worksheet
The First 100 Digits of Pi
The First 100 Digits of Pi
Worksheet
The First 100 Digits of Pi large image
The First 100 Digits of Pi
Seventh Grade
Number Theory
Celebrate Pi Day by memorizing the first 100 digits of pi with this helpful resource!
Worksheet
The First 100 Digits of Pi
The First 100 Digits of Pi
Worksheet
The First 100 Digits of Pi
Celebrate Pi Day by memorizing the first 100 digits of pi with this helpful resource!
Seventh Grade
Number Theory
Worksheet
Rational and Irrational Numbers: True or False
Rational and Irrational Numbers: True or False
Worksheet
Rational and Irrational Numbers: True or False large image
Rational and Irrational Numbers: True or False
Eighth Grade
Number Theory
Learners determine if each statement about rational and irrational numbers is true or false in this eighth-grade math worksheet!
Worksheet
Rational and Irrational Numbers: True or False
Rational and Irrational Numbers: True or False
Worksheet
Rational and Irrational Numbers: True or False
Learners determine if each statement about rational and irrational numbers is true or false in this eighth-grade math worksheet!
Eighth Grade
Number Theory
Worksheet
Real Numbers Handout
Real Numbers Handout
Worksheet
Real Numbers Handout large image
Real Numbers Handout
Eighth Grade
Number Theory
Use this one-page handout to help students solidify their understanding of the real number system!
Worksheet
Real Numbers Handout
Real Numbers Handout
Worksheet
Real Numbers Handout
Use this one-page handout to help students solidify their understanding of the real number system!
Eighth Grade
Number Theory
Worksheet
Comparing Rational and Irrational Numbers
Comparing Rational and Irrational Numbers
Worksheet
Comparing Rational and Irrational Numbers large image
Comparing Rational and Irrational Numbers
Eighth Grade
Number Theory
Students practice comparing irrational numbers in this helpful number sense worksheet! 
Worksheet
Comparing Rational and Irrational Numbers
Comparing Rational and Irrational Numbers
Worksheet
Comparing Rational and Irrational Numbers
Students practice comparing irrational numbers in this helpful number sense worksheet! 
Eighth Grade
Number Theory
Worksheet
Approximating Irrational Numbers on Number Lines
Approximating Irrational Numbers on Number Lines
Worksheet
Approximating Irrational Numbers on Number Lines large image
Approximating Irrational Numbers on Number Lines
Eighth Grade
Number Theory
Practice approximating irrational numbers on number lines with this eighth-grade math worksheet!
Worksheet
Approximating Irrational Numbers on Number Lines
Approximating Irrational Numbers on Number Lines
Worksheet
Approximating Irrational Numbers on Number Lines
Practice approximating irrational numbers on number lines with this eighth-grade math worksheet!
Eighth Grade
Number Theory
Worksheet
Finding Prime Numbers
Finding Prime Numbers
Worksheet
Finding Prime Numbers large image
Finding Prime Numbers
Fourth Grade
Number Theory
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.
Worksheet
Finding Prime Numbers
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.
Fourth Grade
Number Theory
Worksheet
Real Numbers: Always, Sometimes, Never
Real Numbers: Always, Sometimes, Never
Worksheet
Real Numbers: Always, Sometimes, Never large image
Real Numbers: Always, Sometimes, Never
Eighth Grade
Number Theory
Give students a chance to demonstrate their understanding of real numbers with unique math worksheet!
Worksheet
Real Numbers: Always, Sometimes, Never
Real Numbers: Always, Sometimes, Never
Worksheet
Real Numbers: Always, Sometimes, Never
Give students a chance to demonstrate their understanding of real numbers with unique math worksheet!
Eighth Grade
Number Theory
Worksheet
The First 1,000 Digits of Pi
The First 1,000 Digits of Pi
Worksheet
The First 1,000 Digits of Pi large image
The First 1,000 Digits of Pi
Seventh Grade
Number Theory
Use this handout to provide students with a fun math-centered challenge in honor of Pi Day!
Worksheet
The First 1,000 Digits of Pi
The First 1,000 Digits of Pi
Worksheet
The First 1,000 Digits of Pi
Use this handout to provide students with a fun math-centered challenge in honor of Pi Day!
Seventh Grade
Number Theory
Worksheet
Matching Factor Tree Cards
Matching Factor Tree Cards
Worksheet
Matching Factor Tree Cards large image
Matching Factor Tree Cards
Fourth Grade
Number Theory
Students will match a product to its factor tree and list of prime factors in this interactive activity.
Worksheet
Matching Factor Tree Cards
Matching Factor Tree Cards
Worksheet
Matching Factor Tree Cards
Students will match a product to its factor tree and list of prime factors in this interactive activity.
Fourth Grade
Number Theory
Worksheet
Which Is Not a Multiple?
Which Is Not a Multiple?
Worksheet
Which Is Not a Multiple? large image
Which Is Not a Multiple?
Fourth Grade
Multiplication
This worksheet gives students practice identifying multiples of a number.
Worksheet
Which Is Not a Multiple?
Which Is Not a Multiple?
Worksheet
Which Is Not a Multiple?
This worksheet gives students practice identifying multiples of a number.
Fourth Grade
Multiplication
Worksheet
Graph the Frequency: The First 100 Digits of Pi
Graph the Frequency: The First 100 Digits of Pi
Worksheet
Graph the Frequency: The First 100 Digits of Pi large image
Graph the Frequency: The First 100 Digits of Pi
Seventh Grade
Number Theory

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

Worksheet
Graph the Frequency: The First 100 Digits of Pi
Graph the Frequency: The First 100 Digits of Pi
Worksheet
Graph the Frequency: The First 100 Digits of Pi

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

Seventh Grade
Number Theory
Worksheet
Prime Number Practice
Prime Number Practice
Worksheet
Prime Number Practice large image
Prime Number Practice
Fourth Grade
Number Theory
Give your child prime number practice with this simple worksheet.
Worksheet
Prime Number Practice
Prime Number Practice
Worksheet
Prime Number Practice
Give your child prime number practice with this simple worksheet.
Fourth Grade
Number Theory
Worksheet
Dino Crunch: Finding Multiples
Dino Crunch: Finding Multiples
Game
Dino Crunch: Finding Multiples large image
Dino Crunch: Finding Multiples
Fourth Grade
Number Theory
Players use their knowledge of factors and multiples to help their dinosaur win this math battle.
Game
Dino Crunch: Finding Multiples
Dino Crunch: Finding Multiples
Game
Dino Crunch: Finding Multiples
Players use their knowledge of factors and multiples to help their dinosaur win this math battle.
Fourth Grade
Number Theory
Game
Approximations of Square Roots on Number Lines
Approximations of Square Roots on Number Lines
Worksheet
Approximations of Square Roots on Number Lines large image
Approximations of Square Roots on Number Lines
Eighth Grade
Number Theory
Practice finding rational approximations for irrational square roots in this eighth-grade math worksheet! 
Worksheet
Approximations of Square Roots on Number Lines
Approximations of Square Roots on Number Lines
Worksheet
Approximations of Square Roots on Number Lines
Practice finding rational approximations for irrational square roots in this eighth-grade math worksheet! 
Eighth Grade
Number Theory
Worksheet
Approximating Cube Roots
Approximating Cube Roots
Worksheet
Approximating Cube Roots large image
Approximating Cube Roots
Eighth Grade
Exponents and Roots
Learn how to approximate cube roots with this eighth-grade math worksheet!
Worksheet
Approximating Cube Roots
Approximating Cube Roots
Worksheet
Approximating Cube Roots
Learn how to approximate cube roots with this eighth-grade math worksheet!
Eighth Grade
Exponents and Roots
Worksheet
Fill in the Factor Tree
Fill in the Factor Tree
Interactive Worksheet
Fill in the Factor Tree large image
Fill in the Factor Tree
Fourth Grade
Multiplication
Introduce your child to factor trees with this simple algebra worksheet.
Interactive Worksheet
Fill in the Factor Tree
Fill in the Factor Tree
Interactive Worksheet
Fill in the Factor Tree
Introduce your child to factor trees with this simple algebra worksheet.
Fourth Grade
Multiplication
Interactive Worksheet
Halloween Hidden Picture: Classify Real Numbers
Halloween Hidden Picture: Classify Real Numbers
Worksheet
Halloween Hidden Picture: Classify Real Numbers large image
Halloween Hidden Picture: Classify Real Numbers
Eighth Grade
Number Theory
Engage students this fall season with this Halloween-themed hidden picture math puzzle featuring an array of real numbers.
Worksheet
Halloween Hidden Picture: Classify Real Numbers
Halloween Hidden Picture: Classify Real Numbers
Worksheet
Halloween Hidden Picture: Classify Real Numbers
Engage students this fall season with this Halloween-themed hidden picture math puzzle featuring an array of real numbers.
Eighth Grade
Number Theory
Worksheet
Factors of 60
Factors of 60
Worksheet
Factors of 60 large image
Factors of 60
Third Grade
Multiplication
Use your multiplication skills to find factors of 60 and better understand time.
Worksheet
Factors of 60
Factors of 60
Worksheet
Factors of 60
Use your multiplication skills to find factors of 60 and better understand time.
Third Grade
Multiplication
Worksheet
Jumpy: Find the Multiples
Jumpy: Find the Multiples
Game
Jumpy: Find the Multiples large image
Jumpy: Find the Multiples
Fourth Grade
Number Theory
Players navigate rivers and streets while demonstrating their knowledge of factors and multiples.
Game
Jumpy: Find the Multiples
Jumpy: Find the Multiples
Game
Jumpy: Find the Multiples
Players navigate rivers and streets while demonstrating their knowledge of factors and multiples.
Fourth Grade
Number Theory
Game
In Your Prime
In Your Prime
Activity
In Your Prime large image
In Your Prime
Fourth Grade
Number Theory
Learning to identify prime numbers can be tricky. But this fun card game can make memorizing some basic prime numbers a breeze.
Activity
In Your Prime
In Your Prime
Activity
In Your Prime
Learning to identify prime numbers can be tricky. But this fun card game can make memorizing some basic prime numbers a breeze.
Fourth Grade
Number Theory
Activity
Estimate Cube Roots
Estimate Cube Roots
Interactive Worksheet
Estimate Cube Roots large image
Estimate Cube Roots
Eighth Grade
Exponents and Roots
Get practice estimating cube roots with this eighth-grade number sense worksheet!
Interactive Worksheet
Estimate Cube Roots
Estimate Cube Roots
Interactive Worksheet
Estimate Cube Roots
Get practice estimating cube roots with this eighth-grade number sense worksheet!
Eighth Grade
Exponents and Roots
Interactive Worksheet
More Amaz-ing Hexagons!
More Amaz-ing Hexagons!
Worksheet
More Amaz-ing Hexagons! large image
More Amaz-ing Hexagons!
Fourth Grade
Number Theory
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.
Worksheet
More Amaz-ing Hexagons!
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.
Fourth Grade
Number Theory
Worksheet
Vocabulary Cards: Multiples and Skip Counting
Vocabulary Cards: Multiples and Skip Counting
Worksheet
Vocabulary Cards: Multiples and Skip Counting large image
Vocabulary Cards: Multiples and Skip Counting
Fourth Grade
Multiplication
Use these vocabulary cards with the EL Support Lesson: Multiples and Skip Counting.
Worksheet
Vocabulary Cards: Multiples and Skip Counting
Vocabulary Cards: Multiples and Skip Counting
Worksheet
Vocabulary Cards: Multiples and Skip Counting
Use these vocabulary cards with the EL Support Lesson: Multiples and Skip Counting.
Fourth Grade
Multiplication
Worksheet
Dino Crunch: Irrational Numbers
Dino Crunch: Irrational Numbers
Game
Dino Crunch: Irrational Numbers large image
Dino Crunch: Irrational Numbers
Eighth Grade
Number Theory
How well do you know your rational and irrational numbers? Find out with this number sense game!
Game
Dino Crunch: Irrational Numbers
Dino Crunch: Irrational Numbers
Game
Dino Crunch: Irrational Numbers
How well do you know your rational and irrational numbers? Find out with this number sense game!
Eighth Grade
Number Theory
Game
Glossary: The Factor Tree Strategy
Glossary: The Factor Tree Strategy
Worksheet
Glossary: The Factor Tree Strategy large image
Glossary: The Factor Tree Strategy
Fourth Grade
Multiplication
Use this glossary with the EL Support Lesson: The Factor Tree Strategy.
Worksheet
Glossary: The Factor Tree Strategy
Glossary: The Factor Tree Strategy
Worksheet
Glossary: The Factor Tree Strategy
Use this glossary with the EL Support Lesson: The Factor Tree Strategy.
Fourth Grade
Multiplication
Worksheet
Number Sense 3
Number Sense 3
Guided Lesson
Number Sense 3 large image
Number Sense 3
Fourth Grade
Multiplication
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.
Guided Lesson
Number Sense 3
Number Sense 3
Guided Lesson
Number Sense 3
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.
Fourth Grade
Multiplication
Guided Lesson
Dino Skateboarding: Find the Factors
Dino Skateboarding: Find the Factors
Game
Dino Skateboarding: Find the Factors large image
Dino Skateboarding: Find the Factors
Fourth Grade
Number Theory
Hone mental math skills and boost knowledge of factors and multiples in this skateboarding adventure.
Game
Dino Skateboarding: Find the Factors
Dino Skateboarding: Find the Factors
Game
Dino Skateboarding: Find the Factors
Hone mental math skills and boost knowledge of factors and multiples in this skateboarding adventure.
Fourth Grade
Number Theory
Game
Match: Least Common Multiple
Match: Least Common Multiple
Game
Match: Least Common Multiple large image
Match: Least Common Multiple
Sixth Grade
Number Theory
Build number sense skills while practicing finding the least common multiple in this matching game!
Game
Match: Least Common Multiple
Match: Least Common Multiple
Game
Match: Least Common Multiple
Build number sense skills while practicing finding the least common multiple in this matching game!
Sixth Grade
Number Theory
Game
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