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Unit 5: Arithmetic in base ten

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Adding & subtracting decimals word problemsGet 3 of 4 questions to level up!
Level up on the above skills and collect up to 500 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 600 Mastery points
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Level up on all the skills in this unit and collect up to 1500 Mastery points!