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 bird diversity problem Student activity Play

The bird diversity problem Whiteboard exercise 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 content of a problem as an algebraic expression Animation Play

The content of a problem as an algebraic expression Student activity Play

The converse of the Pythagorean theorem Student activity Play

The cosine rule Class activity Play

The cosine rule Whiteboard presentation Play

The derivative of the cosine function Student activity Play

The distance Animation Play

The distance covered by a jogger Student activity Play

The distance covered by a jogger Whiteboard exercise Play

The distribution of a force at the base surface Animation Play

The effect of surface area on reaction rate Whiteboard exercise Play

The effect of surface area on reaction rate Student activity Play

The effects of the force of a load Whiteboard exercise Play