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

Test your ability to find the greatest common factor (GCF) of a set of numbers with this worksheet!

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

Here's a way for your third grader to practice finding multiples of two.

Does your child know her multiples? Give her a fun challenge with this carnival duck toss, where she'll "knock down" the ducks that are multiples of 9!

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.

Students build their number sense by finding the multiples of whole numbers in this fourth-grade math worksheet!

Use this glossary with the EL Math Support Lesson: Multiples of 10.

Bus #3 needs to get to some houses! Help your child practice his number sense by looking for multiples of three.

Use the concept of area to help find the greatest common factor in this sixth-grade worksheet!

Children practice conceptualizing multiples of 100 using a visual reference with this two-part worksheet.

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.

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

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.

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

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

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

Use these vocabulary cards with the EL Math Support Lesson: Multiples of 10.

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

Let's take a trip to the carnival! As your student completes this duck toss, he'll be learning and reviewing the multiples of 7.

Aim for multiples of six on this worksheet with a carnival toss theme. To keep track, write the numbers at the bottom of the page.

Step up to the challenge with this carnival duck toss, with a mathematical twist! Your student will "knock down" all ducks with multiples of 10.

Try your luck at the duck toss! This carnival game has a special math element; you can only knock down ducks that are multiples of 8.

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

Use these vocabulary cards with the EL Support Lesson: Multiples and Skip Counting.