This film, from Twig World, looks at the relationship between time and place. In an age before satellite navigation and GPS, one man found an ingenious solution to the problem of determining a ship's location at sea. The key points made in the film are: •Lines of latitude circle the Earth horizontally; lines of...

This activity from Cre8ate maths develops understanding of enlargement.

Students work in groups and, intuitively, sort sets of photos to identify those which have been enlarged from an original image. They then...