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

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

Give your learners practice finding the greatest common factor (GCF) and the least common multiple (LCM) with this fun code-breaking worksheet!

Calculate and color least common multiples in this sixth-grade worksheet!

Test your multiplication and division skills with this least common multiple (LCM) worksheet!

Use your multiplication skills to find factors of 60 and better understand time.

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

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

From multi-digit subtraction to identifying prime numbers, assess each student’s mastery of a variety of fourth-grade math skills.

Teach your students to use factor rainbows to find the greatest common factor of two given numbers.

Master least common multiples (LCMs) in this essential sixth-grade worksheet!

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

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

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

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

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

Master determining the greatest common factor (GCF) of a set of numbers with this inviting worksheet!

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

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

Practice calculating the least common multiple (LCM) of two numbers with this useful worksheet!

Students build their number sense as they practice finding the least common multiple of whole numbers in this two-page math worksheet.

Boost your learner's understanding of number theory with this sixth-grade math worksheet all about prime factorization!

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

Learn to determine the greatest common factor of a set of numbers in this sixth-grade worksheet!