A symmetrical triangle on squared paper Student activity Play

A symmetrical triangle on squared paper Whiteboard exercise Play

An interesting result Student activity Play

Coefficients read from Pascal's triangle Animation Play

Heated spiral Animation Play

How to calculate the power of an electric current Student activity Play

Inverse square proportion Student activity Play

Inverse square proportion Whiteboard exercise Play

Miscellaneous exercises Student activity Play

Multiplication shortcuts Student activity Play

Pascal's triangle Student activity Play

Poisoned apples Animation Play

Spiral galaxies Whiteboard exercise Play

Spiral galaxies Student activity Play

Squared spiral Animation Play

Squaring a binomial sum Student activity Play

Squaring a binomial sum Whiteboard exercise Play

Squaring a number Student activity Play

Squaring large numbers Animation Play

The derivative of the reciprocal of x squared Student activity Play

The Milky Way Illustration Play

The Milky Way Student activity Play

The power of a spiral Animation Play

The relationship between resistance and temperature Simulation Play

The relationship between resistance and temperature Student activity Play