Search Printable Number Theory Worksheets

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Number Theory
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Division: Factor Fun
Worksheet
Division: Factor Fun
One way to tackle division is to turn it into multiplication. In this exercise, read the division question — then ask yourself a multiplication question!
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.
Math
Worksheet
Factor Using the Distributive Property
Worksheet
Factor Using the Distributive Property
Practice rewriting expressions as products using the distributive property of multiplication in this sixth-grade math worksheet.
Math
Worksheet
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!
Math
Worksheet
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.
Math
Worksheet
Find the Greatest Common Factor By Prime Factorization #1
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!
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!
Math
Worksheet
Practice Finding the Least Common Multiple
Worksheet
Practice Finding the Least Common Multiple
Students build their number sense as they practice finding the least common multiple of whole numbers in this two-page math worksheet.
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.
Math
Worksheet
Prime Factorization
Worksheet
Prime Factorization
Boost your learner's understanding of number theory and prime and composite numbers with this sixth-grade math worksheet all about factorization!
Math
Worksheet
Multiplication: Hop Along the Number Line (Part One)
Worksheet
Multiplication: Hop Along the Number Line (Part One)
Hop to it! Help Hoppy the Frog Bot hop along the number lines in this multiplication worksheet.
Math
Worksheet
Least Common Multiple: Part 1
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!
Math
Worksheet
Practice Finding the Greatest Common Factor
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.
Math
Worksheet
Find the Greatest Common Factor By Prime Factorization #2
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.
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.
Math
Worksheet
Find the Multiples
Worksheet
Find the Multiples
Students build their number sense by finding the multiples of whole numbers in this fourth-grade math worksheet!
Math
Worksheet
Least Common Multiple: Part 3
Worksheet
Least Common Multiple: Part 3
Help students build their number sense as they practice finding the least common multiple (LCM) in this helpful practice worksheet.
Math
Worksheet
Greatest Common Factor
Worksheet
Greatest Common Factor
Teach your students to use factor rainbows to find the greatest common factor of two given numbers.
Math
Worksheet
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.
Math
Worksheet
Least Common Multiple: Part 2
Worksheet
Least Common Multiple: Part 2
Students continue to hone their understanding of how to find the least common multiple in this math practice worksheet!
Math
Worksheet
Fill in the Factor Tree
Worksheet
Fill in the Factor Tree
Introduce your child to factor trees with this simple algebra worksheet.
Math
Worksheet
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!
Math
Worksheet
Factor Tree
Worksheet
Factor Tree
Children practice identifying factors with the help of a factor tree in this multiplication worksheet.
Math
Worksheet
Factors of 60
Worksheet
Factors of 60
Use your multiplication skills to find factors of 60 and better understand time.