Encoding numbers Student activity Play

Equal numbers Whiteboard exercise Play

Equal numbers – wrong steps in proof Whiteboard exercise Play

Equally accurate rounding Student activity Play

Eutrophication of natural waters Slideshow Play

Exceptions to the Hardy–Weinberg principle Student activity Play

Explain and justify Whiteboard presentation Play

Explain and justify Class activity Play

Exploitation of natural resources Whiteboard exercise Play

Exploring the natural world Slideshow Play

Exploring the natural world Slideshow Play

Factors of numbers Whiteboard exercise Play

Facts and assumptions – prime numbers Whiteboard exercise Play

Facts and assumptions – the sum of the numbers Whiteboard exercise Play

Fermat numbers Whiteboard exercise Play

Field size and the numbers of partridges Animation Play

Finding numbers Animation Play

Finding the derivative of a natural power of  x Whiteboard exercise Play

Finding the integral of a natural power of x Student activity Play

Finding the integral of a natural power of  x Whiteboard exercise Play

Finding the missing number Whiteboard exercise Play

Finding the missing numbers Whiteboard exercise Play

Finding the missing numbers in the divisions Whiteboard exercise Play

Finding the numbers in the given ratio Whiteboard exercise Play

Finding the numbers in the given ratio Student activity Play