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Unit 3: Addition and subtraction with regrouping
500 possible mastery points
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Quiz
Unit test
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- Add using groups of 10 and 100Get 3 of 4 questions to level up!
- Add within 1000Get 3 of 4 questions to level up!
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Practice
- Subtract within 1000Get 3 of 4 questions to level up!
Level up on the above skills and collect up to 240 Mastery points
Learn
Practice
- Add and subtract within 1000 word problemsGet 3 of 4 questions to level up!
Level up on the above skills and collect up to 160 Mastery points
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Level up on all the skills in this unit and collect up to 500 Mastery points!