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Unit 4: Add and subtract within 1,000

1,100 possible mastery points

About this unit

Get ready to take your addition and subtraction skills to the next level! In this unit, you'll be working with numbers all the way up to 1000. We'll learn how to use number lines, place value blocks, and groups of 10 or 100 to help us out.
Level up on the above skills and collect up to 480 Mastery points
Level up on the above skills and collect up to 400 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 1100 Mastery points!