Here you will find a video about addition and subtraction. Watch this, and then test your knowledge with ... Geordie Pigeon explain how to do mental maths, with this song and movement routine ...

Whether you want to brush up on your KS1 Maths skills or you have an upcoming KS1 Maths SATs test, we're here to help! Arithmetic includes these key skills, addition, subtraction, times tables ...

Now that you've learned to do basic math in Excel, your calculations will never slow you down again. With addition, ...