Video

Creating rectangles with a given area 1 (Full video)

Khan Academy

Supporting grades: 3

Description: Lindsay creates a rectangle with a given area. And now we're asked to draw a rectangle with an area of 10 square units. We could try just drawing a rectangle right across this top row until we get 10 square units, but the problem there is there's only one, two, three, four, five, six, seven square units going across the top. Since it can't all fit on one row, we're gonna have to break up the unit squares into groups.

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