This IWB teaching resource has a simple function machine but with the difference that the numbers can be reversed. This is useful for teaching one more, ten more and addition and subtraction.First Connect Three
In this game the winner is the first to complete a row of three, either horizontally, vertically or diagonally. It involves simple addition and subtraction involving negative numbers. Play the computer or a friend.Chopper Squad
A game which focuses on one more and less and ten more and less addition with the aid of number grids. It can help children learn two digit numbers and this game is a simpler version of our Helicopter Rescue game.Blast Off
Blast Off is a mental maths game for 5 to 8 year olds which can help you to know your two digit numbers and help with addition and subtraction skills. It covers different vocabulary such as more than, less than, count on and count back.Triangular Cards
A clever interactive whiteboard resource which is great for demonstrating inverse operations. Click on the words to see the sums. Useful for mental maths starters or plenaries.How Much Left?
Lots and lots of money problems here where you need to work out change from amounts from 10p up to £1.00. It works well on an interactive whiteboard and is good for starter or plenary activities.Dartboard Centre Total
Using the image of a dartboard this site is a great teaching tool for teaching and learning number bonds to 100 and 1000 and also multiples of 5 and 10. It also includes decimal number bonds. Good on IWB.Function Machine
A teaching resource for interactive whiteboards.The single step function machine adds or subtracts numbers to 10 or you can set your own function. There is also a more difficult 2 step function machine for more challenging examples.Addition of 2 and 3 Digit Numbers
A useful teacher demonstration tool for use on an Interactive whiteboard. Demonstrate how units or tens are regrouped in addition sums with carrying.Horizontal Addition Using Place Value Cards
See how TU and HTU mental addition can be made easier through the use of place value cards. Good on an interactive whiteboard.