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Published byPamela Tombs Modified over 2 years ago

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© Boardworks Ltd of 13 This icon indicates the slide contains activities created in Flash. These activities are not editable. For more detailed instructions, see the Getting Started presentation. This icon indicates teacher’s notes in the Notes field.

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© Boardworks Ltd of 13 Quadrilaterals

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© Boardworks Ltd of 13 Area formulae

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© Boardworks Ltd of 13 Area calculations

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© Boardworks Ltd of 13 The area of a parallelogram

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© Boardworks Ltd of 13 The area of a triangle

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© Boardworks Ltd of 13 The area of a trapezium

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© Boardworks Ltd of 13 Finding the area of irregular polygons

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© Boardworks Ltd of 13 Rectangle perimeters

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© Boardworks Ltd of 13 Hectare forests 1 hectare = m 2 Do each of the forests below cover an area of one hectare? What are the perimeters? 250 m 60 m 200 m 20 m 40 m 100 m 80 m 50 m 25m 75 m 50 m

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© Boardworks Ltd of 13 Shapes made from rectangles

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© Boardworks Ltd of 13 Recognizing formulae

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© Boardworks Ltd of 13 This Chinese puzzle is made from 7 shape pieces that fit together to make a square with sides of 16 cm. The intersections are all evenly spaced. What are the areas of the individual shapes? Tangram

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