Addition and Subtraction Games
See if you can repair the swimming pool slide by working out the subtraction sums. It will help you with your mental arithmetic. There are different levels of difficulty. On the third level you can select your own pipe length.
Enter the world of the top secret society Bamzooki to work through the challenges where you need to work out the missing signs in the sums. Find out whether you need add, subtract, multiply or divide symbols in the games.
A fantastic abacus type resource of moveable, coloured beads that encourage learners to think in groups of fives and tens. It can help children to explore a variety of addition and subtraction strategies. Great IWB teaching tool.