Working systematically

Find the values of the nine letters in the sum: FOOT + BALL = GAME

Investigate the different ways that fifteen schools could have given money in a charity fundraiser.

This task challenges you to create symmetrical U shapes out of rods and find their areas.

How many different rectangles can you make using this set of rods?

In this game you are challenged to gain more columns of lily pads than your opponent.

I added together some of my neighbours' house numbers. Can you explain the patterns I noticed?

Throughout these challenges, the touching faces of any adjacent dice must have the same number. Can you find a way of making the total on the top come to each number from 11 to 18 inclusive?

This task encourages you to investigate the number of edging pieces and panes in different sized windows.

When I fold a 0-20 number line, I end up with 'stacks' of numbers on top of each other. These challenges involve varying the length of the number line and investigating the 'stack totals'.

Can you create jigsaw pieces which are based on a square shape, with at least one peg and one hole?