Big Sums
These two program are aimed at using with projectors and whole class teaching. They can however be used with small groups around a standard monitor.

The screens start with the maximum numbers set to 10 but this can be altered by the user. The main screen allows the user to hide or show the first, second or answer digits. Numbers can also be changed whilst they are hidden.

Click on the picture to run the Addition program

Click on the picture to run the Subtraction program Click here to download the programs to run on your own computers.

These programs are copyright Northumberland LEA. They may be freely used in Educational establishments but should not be distributed on other websites.