How can I find the area and perimeter of a rectangle? MCC.4.MD.3.

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Presentation transcript:

How can I find the area and perimeter of a rectangle? MCC.4.MD.3

What’s the difference? Area Perimeter

Perimeter P= l + l + w + w -building a fence -walking around -picture frame

P = l + l + w + w P= 7 in. 4 in.

P = l + l + w + w P= 15 cm 13 cm

P = l + l + w + w P= 8 ft. 5 ft.

P = l + l + w + w P= 24 in ? 4 in.

P = l + l + w + w P= 60 ft. 17 ft. ?

Area A = l x w -tiling a floor -painting a wall -covering the middle

A = l x w A= 7 in. 4 in.

A = l x w A= 15 cm 13 cm

A = l x w A= 8 ft. 5 ft.

A = l x w A= 24 in² ? 4 in.

A = l x w A = 128 ft.² ? ft. 8 ft.