Trapezium rule for a different number of sub-intervals Animation Play

Triangle Whiteboard exercise Play

Triangle Student activity Play

Triangle and its area Simulation Play

Triangle and its area Simulation Play

Triangle and its area Simulation Play

Triangle and its area – activity Student activity Play

Triangle tricks Animation Play

Triangles Whiteboard exercise Play

Triangles Student activity Play

Two circles Student activity Play

Two circles Whiteboard exercise Play

Two inequalities in a coordinate system Animation Play

Two rectangles and their areas Whiteboard exercise Play

Umbra and penumbra Student activity Play

Umbra and penumbra Whiteboard exercise Play

Unit load Student activity Play

Unit load Whiteboard exercise Play

Using exact values Student activity Play

Using Heron's formula Animation Play

Using rectangles to approximate area Whiteboard exercise Play

Using the factor form of the function in solving geometric problems Whiteboard exercise Play

Using the formula for the surface area of a cone Student activity Play

Using the mid-ordinate rule Whiteboard exercise Play

Using the mid-ordinate rule Student activity Play