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4th - 8th Grade Common Core Number Theory Resources

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Common Core Standards for 4th Grade Math, Common Core Standards for 4th Grade ELA
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Rational vs. Irrational Numbers
Rational vs. Irrational Numbers
Worksheet
Rational vs. Irrational Numbers large image
Rational vs. Irrational Numbers
Eighth Grade
Number Theory
Learners will gain practice differentiating between rational and irrational numbers in this helpful eighth-grade math worksheet!
Worksheet
Rational vs. Irrational Numbers
Rational vs. Irrational Numbers
Worksheet
Rational vs. Irrational Numbers
Learners will gain practice differentiating between rational and irrational numbers in this helpful eighth-grade math worksheet!
Eighth Grade
Number Theory
Worksheet
Identifying Irrational Numbers Maze
Identifying Irrational Numbers Maze
Interactive Worksheet
Identifying Irrational Numbers Maze large image
Identifying Irrational Numbers Maze
Eighth Grade
Number Theory
Help students solidify their knowledge of rational and irrational numbers by challenging them with this fun and unique maze!
Interactive Worksheet
Identifying Irrational Numbers Maze
Identifying Irrational Numbers Maze
Interactive Worksheet
Identifying Irrational Numbers Maze
Help students solidify their knowledge of rational and irrational numbers by challenging them with this fun and unique maze!
Eighth Grade
Number Theory
Interactive Worksheet
Find the Greatest Common Factor By Prime Factorization #1
Find the Greatest Common Factor By Prime Factorization #1
Interactive Worksheet
Find the Greatest Common Factor By Prime Factorization #1 large image
Find the Greatest Common Factor By Prime Factorization #1
Fifth Grade
Number Theory
Use this number theory worksheet to practice finding the greatest common factor of two numbers by finding the prime factorization! 
Interactive Worksheet
Find the Greatest Common Factor By Prime Factorization #1
Find the Greatest Common Factor By Prime Factorization #1
Interactive Worksheet
Find the Greatest Common Factor By Prime Factorization #1
Use this number theory worksheet to practice finding the greatest common factor of two numbers by finding the prime factorization! 
Fifth Grade
Number Theory
Interactive Worksheet
Find the Factors
Find the Factors
Worksheet
Find the Factors large image
Find the Factors
Fourth Grade
Number Theory
Find factor pairs of two-digit numbers with this fourth-grade math worksheet!
Worksheet
Find the Factors
Find the Factors
Worksheet
Find the Factors
Find factor pairs of two-digit numbers with this fourth-grade math worksheet!
Fourth Grade
Number Theory
Worksheet
GCF: Crack the Code
GCF: Crack the Code
Worksheet
GCF: Crack the Code large image
GCF: Crack the Code
Sixth Grade
Number Theory
Give your students practice finding the greatest common factor (GCF) with this fun code-breaking worksheet!
Worksheet
GCF: Crack the Code
GCF: Crack the Code
Worksheet
GCF: Crack the Code
Give your students practice finding the greatest common factor (GCF) with this fun code-breaking worksheet!
Sixth Grade
Number Theory
Worksheet
Prime Factorization
Prime Factorization
Worksheet
Prime Factorization large image
Prime Factorization
Sixth Grade
Number Theory
Boost your learner's understanding of number theory with this sixth-grade math worksheet all about prime factorization!
Worksheet
Prime Factorization
Prime Factorization
Worksheet
Prime Factorization
Boost your learner's understanding of number theory with this sixth-grade math worksheet all about prime factorization!
Sixth Grade
Number Theory
Worksheet
GCF and LCM: Crack the Code
GCF and LCM: Crack the Code
Worksheet
GCF and LCM: Crack the Code large image
GCF and LCM: Crack the Code
Sixth Grade
Number Theory
Give your learners practice finding the greatest common factor (GCF) and the least common multiple (LCM) with this fun code-breaking worksheet!
Worksheet
GCF and LCM: Crack the Code
GCF and LCM: Crack the Code
Worksheet
GCF and LCM: Crack the Code
Give your learners practice finding the greatest common factor (GCF) and the least common multiple (LCM) with this fun code-breaking worksheet!
Sixth Grade
Number Theory
Worksheet
Least Common Multiple: Part 1
Least Common Multiple: Part 1
Interactive Worksheet
Least Common Multiple: Part 1 large image
Least Common Multiple: Part 1
Fifth Grade
Number Theory
Students build their number sense as they practice finding the least common multiple of whole numbers in this math worksheet! 
Interactive Worksheet
Least Common Multiple: Part 1
Least Common Multiple: Part 1
Interactive Worksheet
Least Common Multiple: Part 1
Students build their number sense as they practice finding the least common multiple of whole numbers in this math worksheet! 
Fifth Grade
Number Theory
Interactive Worksheet
Identifying Prime Numbers Maze
Identifying Prime Numbers Maze
Interactive Worksheet
Identifying Prime Numbers Maze large image
Identifying Prime Numbers Maze
Fourth Grade
Number Theory
Give students practice identifying prime numbers with this fun this maze activity!
Interactive Worksheet
Identifying Prime Numbers Maze
Identifying Prime Numbers Maze
Interactive Worksheet
Identifying Prime Numbers Maze
Give students practice identifying prime numbers with this fun this maze activity!
Fourth Grade
Number Theory
Interactive 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
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
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
Approximating Square Roots
Approximating Square Roots
Worksheet
Approximating Square Roots large image
Approximating Square Roots
Eighth Grade
Exponents and Roots
In this eighth-grade math worksheet, students will approximate square roots of non-perfect squares by finding the two whole numbers that the square root falls between.
Worksheet
Approximating Square Roots
Approximating Square Roots
Worksheet
Approximating Square Roots
In this eighth-grade math worksheet, students will approximate square roots of non-perfect squares by finding the two whole numbers that the square root falls between.
Eighth Grade
Exponents and Roots
Worksheet
Find the Factors of Prime and Composite Numbers
Find the Factors of Prime and Composite Numbers
Exercise
Find the Factors of Prime and Composite Numbers large image
Find the Factors of Prime and Composite Numbers
Fourth Grade
Number Theory
Have your fourth graders work through multiplication problems by learning about factors and why they are important for problem solving.
Exercise
Find the Factors of Prime and Composite Numbers
Find the Factors of Prime and Composite Numbers
Exercise
Find the Factors of Prime and Composite Numbers
Have your fourth graders work through multiplication problems by learning about factors and why they are important for problem solving.
Fourth Grade
Number Theory
Exercise
Finding Factors
Finding Factors
Worksheet
Finding Factors large image
Finding Factors
Fourth Grade
Multiplication
With this worksheet, your child will be learning about factors, and they'll be getting multiplication practice as they go.
Worksheet
Finding Factors
Finding Factors
Worksheet
Finding Factors
With this worksheet, your child will be learning about factors, and they'll be getting multiplication practice as they go.
Fourth Grade
Multiplication
Worksheet
LCM: Crack the Code
LCM: Crack the Code
Worksheet
LCM: Crack the Code large image
LCM: Crack the Code
Sixth Grade
Number Theory
Give your students practice finding the least common multiple (LCM) with this fun code-breaking worksheet!
Worksheet
LCM: Crack the Code
LCM: Crack the Code
Worksheet
LCM: Crack the Code
Give your students practice finding the least common multiple (LCM) with this fun code-breaking worksheet!
Sixth Grade
Number Theory
Worksheet
Estimate Square Roots
Estimate Square Roots
Interactive Worksheet
Estimate Square Roots large image
Estimate Square Roots
Eighth Grade
Exponents and Roots
Give students practice estimating square roots with this eighth-grade number sense worksheet!
Interactive Worksheet
Estimate Square Roots
Estimate Square Roots
Interactive Worksheet
Estimate Square Roots
Give students practice estimating square roots with this eighth-grade number sense worksheet!
Eighth Grade
Exponents and Roots
Interactive Worksheet
Find the Greatest Common Factor By Prime Factorization #2
Find the Greatest Common Factor By Prime Factorization #2
Interactive Worksheet
Find the Greatest Common Factor By Prime Factorization #2 large image
Find the Greatest Common Factor By Prime Factorization #2
Fifth Grade
Number Theory
Grow students’ math skills with more practice finding the greatest common factor by using factor trees to find the prime factorization.
Interactive Worksheet
Find the Greatest Common Factor By Prime Factorization #2
Find the Greatest Common Factor By Prime Factorization #2
Interactive Worksheet
Find the Greatest Common Factor By Prime Factorization #2
Grow students’ math skills with more practice finding the greatest common factor by using factor trees to find the prime factorization.
Fifth Grade
Number Theory
Interactive Worksheet
Math Mixed Review Part 1: Flying Through Fourth Grade
Math Mixed Review Part 1: Flying Through Fourth Grade
Worksheet
Math Mixed Review Part 1: Flying Through Fourth Grade large image
Math Mixed Review Part 1: Flying Through Fourth Grade
Fourth Grade
Mixed Operations
From multi-digit subtraction to identifying prime numbers, assess each student’s mastery of a variety of fourth-grade math skills.
Worksheet
Math Mixed Review Part 1: Flying Through Fourth Grade
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.
Fourth Grade
Mixed Operations
Worksheet
Find the Multiples
Find the Multiples
Interactive Worksheet
Find the Multiples large image
Find the Multiples
Fourth Grade
Number Theory
Students build their number sense by finding the multiples of whole numbers in this fourth-grade math worksheet!
Interactive Worksheet
Find the Multiples
Find the Multiples
Interactive Worksheet
Find the Multiples
Students build their number sense by finding the multiples of whole numbers in this fourth-grade math worksheet!
Fourth Grade
Number Theory
Interactive Worksheet
Probability: The First 100 Digits of Pi
Probability: The First 100 Digits of Pi
Worksheet
Probability: The First 100 Digits of Pi large image
Probability: The First 100 Digits of Pi
Seventh Grade
Number Theory
Students build number sense while finding the probability of randomly selecting each digit in the first 100 digits of pi in this engaging math worksheet!
Worksheet
Probability: The First 100 Digits of Pi
Probability: The First 100 Digits of Pi
Worksheet
Probability: The First 100 Digits of Pi
Students build number sense while finding the probability of randomly selecting each digit in the first 100 digits of pi in this engaging math worksheet!
Seventh Grade
Number Theory
Worksheet
Practice Finding the Greatest Common Factor
Practice Finding the Greatest Common Factor
Interactive Worksheet
Practice Finding the Greatest Common Factor large image
Practice Finding the Greatest Common Factor
Sixth Grade
Number Theory
Become a GCF master with this math worksheet! Practice finding the greatest common factor of 2 or 3 numbers ranging all the way up to 100.
Interactive Worksheet
Practice Finding the Greatest Common Factor
Practice Finding the Greatest Common Factor
Interactive Worksheet
Practice Finding the Greatest Common Factor
Become a GCF master with this math worksheet! Practice finding the greatest common factor of 2 or 3 numbers ranging all the way up to 100.
Sixth Grade
Number Theory
Interactive 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
Find the Greatest Common Factor By Prime Factorization #3
Find the Greatest Common Factor By Prime Factorization #3
Interactive Worksheet
Find the Greatest Common Factor By Prime Factorization #3 large image
Find the Greatest Common Factor By Prime Factorization #3
Fifth Grade
Number Theory
Find the greatest common factor (GCF) using the prime factorization method with this sixth-grade practice worksheet!
Interactive Worksheet
Find the Greatest Common Factor By Prime Factorization #3
Find the Greatest Common Factor By Prime Factorization #3
Interactive Worksheet
Find the Greatest Common Factor By Prime Factorization #3
Find the greatest common factor (GCF) using the prime factorization method with this sixth-grade practice worksheet!
Fifth Grade
Number Theory
Interactive 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
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
Greatest Common Factor
Greatest Common Factor
Worksheet
Greatest Common Factor large image
Greatest Common Factor
Sixth Grade
Number Theory
Teach your students to use factor rainbows to find the greatest common factor of two given numbers.
Worksheet
Greatest Common Factor
Greatest Common Factor
Worksheet
Greatest Common Factor
Teach your students to use factor rainbows to find the greatest common factor of two given numbers.
Sixth Grade
Number Theory
Worksheet
Which Numbers Are Prime?
Which Numbers Are Prime?
Worksheet
Which Numbers Are Prime? large image
Which Numbers Are Prime?
Fourth Grade
Number Theory
Students practice solving a variety of equations, then determine if the answer is a prime number.
Worksheet
Which Numbers Are Prime?
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.
Fourth Grade
Number Theory
Worksheet
It's a Maze of Hexagons!
It's a Maze of Hexagons!
Worksheet
It's a Maze of Hexagons! large image
It's a Maze of Hexagons!
Fourth Grade
Number Theory
Students practice identifying prime numbers, regular polygons, and irregular polygons!
Worksheet
It's a Maze of Hexagons!
It's a Maze of Hexagons!
Worksheet
It's a Maze of Hexagons!
Students practice identifying prime numbers, regular polygons, and irregular polygons!
Fourth 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
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