AREA Remember: The perimeter of a shape is a measure of distance around the outside. The area of a shape is a measure of the surface/space contained.

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Presentation transcript:

AREA Remember: The perimeter of a shape is a measure of distance around the outside. The area of a shape is a measure of the surface/space contained within its perimeter. Area is measured in units 2 Units of distance mm cm m km inches feet yards miles Units of area mm 2 cm 2 m 2 km 2 inches 2 feet 2 yards 2 miles 2 1 cm 1 cm 2 1 cm 18 cm 2 6 cm 3 cm Area = 6 cm x 3 cm = 18 cm 2 Metric Imperial Metric Imperial

RectangleLengthWidthArea 1 2 3

6 cm Area = length x width = 10 cm x 6 cm = 60 cm squares 10 cm 2 mm 7 mm Area = length x width = 7mm x 2mm = 14 mm squares

4 m 2 m 8 m 2 5 m 3 m 15 m 2 7 m 4 m 28 m 2 6 m 3 m 18 m 2

Page 149

SquareLengthWidthArea

mm 5 m Area = S x S = = 10 x 10 = 100 cm 2 7 mm Area = S x S = = 7 x 7= 49 mm 2 10 cm 4

8 m 16 m 2 64 m 2 4 m 9 m 81 m 2 36 m 2 6 m

Page 149

Area of rectangle = 60 cm 2, length = 10 cm Find width.. Area of rectangle = 45 cm 2, width = 5 cm Find length.

Area of square = 25cm 2, Find side length Area of square = 81cm 2, Find side length

Complete your worksheet

5 m 81 m 2 25 m 2 9 m 7 m 4 m 28 m 2 6 m 2 m 12 m 2 Find the Area Warm up

Area of a Triangle The area of a triangle = ½ the area of the surrounding rectangle/parallelogram Area of a triangle = ½ base x height length width base heigh

Find the area of the following triangles. 8 cm 14 cm 9 cm 16 cm 2 m 4 m

6 mm 5 mm 4 m 3 m 20 cm 2 21cm 2 15 mm 2 6 m 2

On your note book Page 155

base height base height  Area of a Parallelogram The area of a parallelogram = the area of a rectangle on the same base. Area = base x height

8 cm 8mm 5 m 12 cm5 mm 6 m Find the area of each parallelogram below

4 mm 9 mm 5 cm 10cm 78 cm 2 63 cm 2 36 mm 2 50 cm 2