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Unit 1: Add and subtract within 20

800 possible mastery points

About this unit

In this unit, we'll learn how to add and subtract small numbers in a fun and interactive way, develop confidence with these basic math skills, and build a strong foundation for future learning.
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!