Being collaborative

How can you arrange the 5 cubes so that you need the smallest number of Brush Loads of paint to cover them? Try with other numbers of cubes as well.

The clues for this Sudoku are the product of the numbers in adjacent squares.

Can you find the area of a parallelogram defined by two vectors?

Can you cover the camel with these pieces?

Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the red dot affects the distance it travels at each stage.

These clocks have only one hand, but can you work out what time they are showing from the information?

Here are two games you can play. Which offers the better chance of winning?

How many trains can you make which are the same length as Matt's and Katie's, using rods that are identical?

A game in which players take it in turns to try to draw quadrilaterals (or triangles) with particular properties. Is it possible to fill the game grid?

A game in which players take it in turns to turn up two cards. If they can draw a triangle which satisfies both properties they win the pair of cards. And a few challenging questions to follow...