​Non-right-angled trigonometry - faded worked examples​

Based on the Cognitive Load Theory idea of faded worked examples. These five sheets provide faded worked examples for

• The sine rule - using the sine rule to find a side
• The sine rule - using the sine rule to find an angle
• The cosine rule - using the cosine rule to find a side
• The cosine rule - using the cosine rule to find an angle
• The area formula

​GamesMom - Maths Games​

Numbers and quick mental arithmetic. Including Times Tables, Multiplication Chart, Number Bonds, Greater or Less, Counting and Odd or Even.

​Normal Distribution Graph​

Shows the connection between the normal distribution graph and the normal distribution table.

​Beautiful proofs for summing series​

Ben Sparks with stunning visual proofs of some famous sums of series.

​See how the price of everything has changed​

The cost of most everyday items is up. This ABC News article looks at by how much.

​Circle Theorems with Self-Marking Practice​

Each circle theorem explained with a diagram, followed by randomly-generated questions that mark themselves as students work through them.

​Discovering the Formula for the Volume of a Sphere​

Deduce the formula for the volume of a sphere by observing this simulation of a sphere being immersed in a cylinder filled with liquid.

​The Oldest Unsolved Problem in Math​

Do odd perfect numbers exist?

​How A Random System Can Actually Be Predictable​

A brief discussion of the Galton board and the normal distribution.