Perimeter and area

You can explain the properties of various polygons

You can find the perimeter and area of basic shapes

You can use the properties of a range of polygons to deduce their perimeters, including generalising a perimeter formula where appropriate.

You can use the properties of a range of polygons and the perimeter of a given polygon to deduce missing side lengths.

You can use the properties of a range of polygons to deduce the perimeters of compound shapes, including generalising a perimeter formula where appropriate.

You can derive the formula for the area of a triangle

You can use the formula for the area of a triangle to calculate missing side lengths.

You can find the area of composite rectilinear shapes in different ways.

You can calculate a missing side length from the area of a composite rectilinear shape.

You can derive and use the formula for the area of a trapezium.

You can calculate a missing side length from the area of a trapezium.

You can use your knowledge of perimeter and area to solve problems.