If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Unit 1: Factors and multiples

800 possible mastery points

About this unit

Understanding and finding factors and multiples. After these videos, you'll be ready for fractions.
Level up on the above skills and collect up to 320 Mastery points
Level up on the above skills and collect up to 320 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 800 Mastery points!