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: Get ready for place value

400 possible mastery points

About this unit

Let's build a solid foundation of place value so we will be ready for writing numbers in different forms in fourth grade. We will work on identifying numbers within 1,000 and regrouping those whole numbers. All of this will get us ready for comparing, regrouping, and writing even largers numbers in fourth grade!

Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 400 Mastery points!