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Unit: Addition and subtraction intro

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Practice
Making 5Get 5 of 7 questions to level up!
Making small numbers in different waysGet 5 of 7 questions to level up!
Level up on the above skills and collect up to 400 Mastery points
Level up on the above skills and collect up to 400 Mastery points
Level up on the above skills and collect up to 300 Mastery points
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Unit test

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

About this unit

Learn the basics of adding and subtracting.