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4th and 5th Grade Number Theory Resources
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Number Theory
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Factors and Multiples
Prime and Composite Numbers
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4th and 5th Grade Number Theory Resources
Filters
60 results
Math
✕
4th and 5th Grade
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Clear all
60 results
Jumpy: Find the Multiples
Game
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
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: Finding Multiples
Game
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
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
Find the Factors
Worksheet
Find the Factors
Fourth Grade
Number Theory
Find factor pairs of two-digit numbers with this fourth-grade math worksheet!
Worksheet
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
Finding Factors
Worksheet
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
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
Find the Multiples
Interactive Worksheet
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
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
Which Numbers Are Prime?
Worksheet
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?
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
Identifying Prime Numbers Maze
Interactive Worksheet
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
Interactive Worksheet
Identifying Prime Numbers Maze
Give students practice identifying prime numbers with this fun this maze activity!
Fourth Grade
Number Theory
Interactive Worksheet
Find the Factors of Prime and Composite Numbers
Exercise
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
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
Factor or Not?
Worksheet
Factor or Not?
Fourth Grade
Multiplication
Think about the importance of determining the factors of a product.
Worksheet
Factor or Not?
Worksheet
Factor or Not?
Think about the importance of determining the factors of a product.
Fourth Grade
Multiplication
Worksheet
Least Common Multiple: Part 3
Interactive Worksheet
Least Common Multiple: Part 3
Fifth Grade
Number Theory
Help students build their number sense as they practice finding the least common multiple (LCM) in this helpful practice worksheet.
Interactive Worksheet
Least Common Multiple: Part 3
Interactive 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.
Fifth Grade
Number Theory
Interactive Worksheet
Math Mixed Review Part 1: Flying Through Fourth Grade
Worksheet
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
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
Prime Numbers vs Composite Numbers
Interactive Worksheet
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
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 Tree
Worksheet
Factor Tree
Fourth Grade
Multiplication
Children practice identifying factors with the help of a factor tree in this multiplication worksheet.
Worksheet
Factor Tree
Worksheet
Factor Tree
Children practice identifying factors with the help of a factor tree in this multiplication worksheet.
Fourth Grade
Multiplication
Worksheet
Finding Prime Numbers
Worksheet
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
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
Which Is Not a Multiple?
Worksheet
Which Is Not a Multiple?
Fourth Grade
Multiplication
This worksheet gives students practice identifying multiples of a number.
Worksheet
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
Matching Factor Tree Cards
Worksheet
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
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
Fill in the Factor Tree
Interactive Worksheet
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
Interactive Worksheet
Fill in the Factor Tree
Introduce your child to factor trees with this simple algebra worksheet.
Fourth Grade
Multiplication
Interactive Worksheet
More Amaz-ing Hexagons!
Worksheet
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!
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
Prime Number Practice
Worksheet
Prime Number Practice
Fourth Grade
Number Theory
Give your child prime number practice with this simple worksheet.
Worksheet
Prime Number Practice
Worksheet
Prime Number Practice
Give your child prime number practice with this simple worksheet.
Fourth Grade
Number Theory
Worksheet
In Your Prime
Activity
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
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
Vocabulary Cards: Multiples and Skip Counting
Worksheet
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
Worksheet
Vocabulary Cards: Multiples and Skip Counting
Use these vocabulary cards with the EL Support Lesson: Multiples and Skip Counting.
Fourth Grade
Multiplication
Worksheet
Vocabulary Cards: Conversations About Prime and Composite Numbers
Worksheet
Vocabulary Cards: Conversations About Prime and Composite Numbers
Fourth Grade
Number Theory
Use these vocabulary cards with the EL Support Lesson: Conversations About Prime and Composite Numbers.
Worksheet
Vocabulary Cards: Conversations About Prime and Composite Numbers
Worksheet
Vocabulary Cards: Conversations About Prime and Composite Numbers
Use these vocabulary cards with the EL Support Lesson: Conversations About Prime and Composite Numbers.
Fourth Grade
Number Theory
Worksheet
Glossary: Multiples and Skip Counting
Worksheet
Glossary: Multiples and Skip Counting
Fourth Grade
Multiplication
Use this glossary with the EL Support Lesson: Multiples and Skip Counting.
Worksheet
Glossary: Multiples and Skip Counting
Worksheet
Glossary: Multiples and Skip Counting
Use this glossary with the EL Support Lesson: Multiples and Skip Counting.
Fourth Grade
Multiplication
Worksheet
Number Sense 3
Guided Lesson
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
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
Multiples of Three
Worksheet
Multiples of Three
Fourth Grade
Number Theory
Bus #3 needs to get to some houses! Help your child practice his number sense by looking for multiples of three.
Worksheet
Multiples of Three
Worksheet
Multiples of Three
Bus #3 needs to get to some houses! Help your child practice his number sense by looking for multiples of three.
Fourth Grade
Number Theory
Worksheet
It's a Maze of Hexagons!
Worksheet
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!
Worksheet
It's a Maze of Hexagons!
Students practice identifying prime numbers, regular polygons, and irregular polygons!
Fourth Grade
Number Theory
Worksheet
Multiples Game
Worksheet
Multiples Game
Fourth Grade
Number Theory
Does your child recognize multiples of five? Here's a multiples game that will help her master her multiplication skills.
Worksheet
Multiples Game
Worksheet
Multiples Game
Does your child recognize multiples of five? Here's a multiples game that will help her master her multiplication skills.
Fourth Grade
Number Theory
Worksheet
Multiples of Six
Worksheet
Multiples of Six
Fourth Grade
Number Theory
Here's a fun way for your second grader to build a foundation multiplication know-how and challenge skip-counting skills. She'll also find multiples of six.
Worksheet
Multiples of Six
Worksheet
Multiples of Six
Here's a fun way for your second grader to build a foundation multiplication know-how and challenge skip-counting skills. She'll also find multiples of six.
Fourth Grade
Number Theory
Worksheet
Multiples of Four
Worksheet
Multiples of Four
Fourth Grade
Number Theory
Get this bus to the multiples of four, and practice number sense with your child. He'll have fun putting skip counting skills and multiplication into practice.
Worksheet
Multiples of Four
Worksheet
Multiples of Four
Get this bus to the multiples of four, and practice number sense with your child. He'll have fun putting skip counting skills and multiplication into practice.
Fourth Grade
Number Theory
Worksheet
Multiples of Two
Worksheet
Multiples of Two
Fourth Grade
Number Theory
Here's a way for your third grader to practice finding multiples of two.
Worksheet
Multiples of Two
Worksheet
Multiples of Two
Here's a way for your third grader to practice finding multiples of two.
Fourth Grade
Number Theory
Worksheet
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