The area of the envelope Whiteboard exercise Play

The area of the garden Whiteboard exercise Play

The area of the parallelogram Whiteboard exercise Play

The area of the quadrilateral Whiteboard exercise Play

The area of the rectangle Whiteboard exercise Play

The area of the regular pentagon Whiteboard exercise Play

The area of the rhombus Whiteboard exercise Play

The area of the trapezium Whiteboard exercise Play

The area of the triangle Whiteboard exercise Play

The area of the triangle Animation Play

The area of the whole rectangle Animation Play

The area of the whole rectangle – product of two sums Whiteboard exercise Play

The area of umbra Animation Play

The area under a function graph Animation Play

The area under the curve Animation Play

The areas of similar figures Animation Play

The areas of the rectangles Whiteboard exercise Play

The biggest possible area Animation Play

The blue rings Whiteboard exercise Play

The circumference and the astonishing number Pi Student activity Play

The circumference and the astonishing number Pi Whiteboard exercise Play

The converse of the Pythagorean theorem Student activity Play

The cosine rule Whiteboard presentation Play

The cosine rule Class activity Play

The derivative of the cosine function Student activity Play