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Unit 6: Addition and subtraction within 1000

1,100 possible mastery points

About this unit

Adding and subtracting 2- and 3-digit numbers might sound hard, but don't worry--in second grade, you'll learn all the strategies! With tools like place value blocks, number lines, and breaking apart numbers, you'll be solving equations like a math whiz in no time.
Level up on the above skills and collect up to 400 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 1100 Mastery points!