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Showing Results for greatest common factor

Grow students&rsquo; math skills with more practice finding the greatest common factor by using factor trees to find the prime factorization.

Find the Greatest Common Factor By Prime Factorization #2

Find the greatest common factor (GCF) using the&nbsp;prime factorization method with this sixth-grade practice worksheet!

Find the Greatest Common Factor By Prime Factorization #3

Use this number theory worksheet to practice finding the greatest common factor of two numbers by finding the prime factorization!&nbsp;

Find the Greatest Common Factor By Prime Factorization #1

Fractions and Greatest Common Factors will help students practice this key fifth grade skill. Try our free exercises to build knowledge and confidence.

Fractions and Greatest Common Factors

Children practice identifying factors with the help of a factor tree in this multiplication worksheet.

Factor Tree

Children determine which fraction is greatest, and which is least, in a row of fractions with unlike denominators.

Comparing Fractions: Least and Greatest

Introduce your child to factor trees with this simple algebra worksheet.

Fill in the Factor Tree

Students will match a product to its factor tree and list of prime factors in this interactive activity.

Matching Factor Tree Cards

Use this glossary with the EL Math Support Lesson: Which Number is the Greatest?

Glossary: Which Number is the Greatest?

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

Glossary: Factor Friend or Foe?

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

Glossary: The Factor Tree Strategy

Use these vocabulary cards with the EL Math Support Lesson: Which Number is the Greatest?

Vocabulary Cards: Which Number is the Greatest?

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

Vocabulary Cards: Factor Friend or Foe?

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

Vocabulary Cards: The Factor Tree Strategy

Which number doesn't belong? This lesson requires students to think critically as they determine which number is not a factor of a particular number. Teach it on its own or as support for the lesson Factors Over the Rainbow. 

Factor Friend or Foe?

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

Dino Skateboarding: Which Factor Does Not Belong?

Give students the ability to scale shapes to a whole number factor with a little hands-on learning through this exercise.

Scaling Shapes to a Whole Number Factor

Think about the importance of determining the factors of a product.

Factor or Not?

What treasure will you find at the end of these rainbows? Factor pairs, of course!

Rainbow Factors #1

Use this glossary with the EL Support Lesson: Compare Common Denominators Methods.

Glossary: Compare Common Denominators Methods

List factor pairs with this bright fourth-grade math worksheet!

Rainbow Factors #3

Find factor pairs of two-digit numbers with this fourth-grade math worksheet!

Find the Factors

Use these cards to help students compare two strategies that involve finding common denominators.

Two Methods for Finding Common Denominators

Students continue to hone their understanding of how to find the least common multiple in this math practice worksheet!&nbsp;

Least Common Multiple: Part 2

Help students build their number sense as they practice finding the least common multiple (LCM) in this helpful practice worksheet.

Least Common Multiple: Part 3

Students build their number sense as they practice finding the least common multiple of whole numbers in this math worksheet!&nbsp;

Least Common Multiple: Part 1

Use these vocabulary cards with the EL Support Lesson: Compare Common Denominators Methods.

Vocabulary Cards: Compare Common Denominators Methods

Fractions and Least Common Multiples will help students practice this key fifth grade skill. Try our free exercises to build knowledge and confidence.

Fractions and Least Common Multiples

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

Jumpy: Which Factor Does Not Belong?

Use this lesson to support students in understanding the symbols used to record numbers. This lesson can be used alongside Comparing Three-Digit Numbers or as a standalone, scaffolded EL support lesson.

Which Number is the Greatest?

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