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Topic: Perimeter, Area and Volume (Foundation - Unit 3)

Specification References: G4.1 G4.1 Calculate perimeters and areas of shapes made from triangles and rectangles.

Candidates should be able to:

• work out the perimeter of a rectangle
• work out the perimeter of a triangle
• calculate the perimeter of shapes made from triangles and rectangles
• calculate the perimeter of shapes made from compound shapes made from two or more rectangles
• calculate the perimeter of shapes drawn on a grid
• calculate the perimeter of simple shapes
• recall and use the formulae for area of a rectangle, triangle and parallelogram
• work out the area of a rectangle
• work out the area of a parallelogram
• calculate the area of shapes made from triangles and rectangles
• calculate the area of shapes made from compound shapes made from two or more rectangles, for example an L shape or T shape
• calculate the area of shapes drawn on a grid
• calculate the area of simple shapes
• work out the surface area of nets made up of rectangles and triangles
• calculate the area of a trapezium

Notes

Candidates may be required to measure lengths in order to work out perimeters and areas.

Examples

1. The area of a triangle = 24 cm².
   The base of the triangle is 8 cm.
   Work out the height of the triangle.

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