Intro to Area and Unit Squares (Full video)

Khan Academy
Supporting grades: 3

Description: Sal covers figures with square units to find their area. So we've got two figures right over here, and I want to think about how much space they take up on your screen. So right when you look at it, it looks pretty clear that this purple figure takes up more space on my screen than this blue figure. How do we actually know how much more area this purple figure takes up than this blue one?

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