There are different methods for addition and subtraction. You may have used column addition and subtraction before but sometimes you can solve additions and subtractions using a mental method.

Here's how to use Excel as a calculator to perform basic arithmetic operations such as addition, subtraction, multiplication, ...

Download the Addition & Subtraction lyric sheet so your class can sing along with the Geordie Pigeon. This Bitesize Primary animation explains additional methods for mental maths. KS2 Maths ...