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Unit 3: Add and subtract within 100

1,300 possible mastery points

About this unit

Sharpen your pencils and get ready to flex your math muscles! In this unit, you'll dive into addition and subtraction within 100. Whether you're using number lines, place value blocks, or solving word problems, you'll become a math master 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 240 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 1300 Mastery points!