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4th - 6th Grade Number Theory Resources : Page 2

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

Glossary: Multiples and Skip Counting

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

Dino Crunch: Finding Multiples

Hone mental math skills and boost knowledge of factors and multiples in this skateboarding adventure.

Dino Skateboarding: Find the Factors

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

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

Become the greatest at finding the greatest common factor with this matching game! 

Match: Greatest Common Factor

Use this glossary with the EL Support Lesson: Factor Friend or Foe?

Glossary: Factor Friend or Foe?

Build number sense skills while practicing finding the least common multiple in this matching game!

Match: Least Common Multiple

Help Roly to catch all the dinos in this high-flying fourth grade math game! 

Dino Pet Drop: Identifying Multiples (Game 1)

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

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!

Use this glossary with the EL Support Lesson: The Factor Tree Strategy.

Glossary: The Factor Tree Strategy

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

Vocabulary Cards: The Factor Tree Strategy

Grow your fourth grader's number sense skills with this fishing-themed math game! 

Dino Fishing: Composite Numbers

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

Glossary: Doubling Multiples for Division

Learners differentiate between prime and composite numbers while unearthing dinosaur bones.

Dino Bones: Prime Numbers

Use these vocabulary cards with the EL Support Lesson: Doubling Multiples for Division.

Vocabulary Cards: Doubling Multiples for Division

Use these vocabulary cards with the EL Support Lesson: Factor Friend or Foe?

Vocabulary Cards: Factor Friend or Foe?

Boost learners' grasp of number theory with this online math game all about factors and multiples!

Jumpy: Which Factor Does Not Belong?

Players race to determine which answer choice is not a factor of the given number.

Dino Skateboarding: Which Factor Does Not Belong?

Identify the greatest common factor of two numbers with this colorful sixth-grade worksheet!

Factor Rainbows: Find the Greatest Common Factor

Finding the greatest common factor is great fun in this color by numbers worksheet!

Greatest Common Factors: Color by Code

Teach your students to use partial products as a strategy to multiply multi-digit numbers. 


Multiplication with Partial Products

Learners practice determining factors of prime and composite numbers with this fourth-grade math worksheet!

Factors of Prime and Composite Numbers #1

Get more practice determining factors of prime and composite numbers with this helpful math worksheet!

Factors of Prime and Composite Numbers #2

Take a deep dive into prime and composite numbers to 20 with this exploratory worksheet!

Prime and Composite Numbers to 20

Become the prime expert of prime numbers with this engaging maze!

Prime Number Maze

Learn to identify prime and composite numbers in this guided worksheet!

Prime and Composite Numbers to 100

Navigate a maze of greatest common factors in this fun worksheet!

Greatest Common Factor Maze

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