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# Unit 21: Measurement and Data < 159

300 possible mastery points

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Quiz

Unit test

### Practice

- Compare sizeGet 3 of 4 questions to level up!
- Compare lengthGet 3 of 4 questions to level up!
- Compare numbers of objects 2Get 5 of 7 questions to level up!

Level up on all the skills in this unit and collect up to 300 Mastery points!