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BIDMAS is an acronym used to tell you the correct sequence to complete a calculation when there are different operations.

The partition method of multiplication involves breaking numbers into parts and is useful in making a multiplication easier to manage.

Napier’s method of multiplication uses a grid to multiply large numbers when you do not have a calculator.

The area method of multiplication is also known as the grid or box method.

Short multiplication is a method using columns to set out and calculate a multiplication.

Short division is also known as the bus stop method and is often used to divide large numbers.

The area method treats a division as an area problem. It is sometimes known as the array method or the grid method.

Multiplying and dividing by numbers between 0 and 1.

Mathematics problems can be visualised through bar modelling, using rectangles to represent known and unknown amounts. This helps to bring together all relevant information.

Learn how to work out a unit price. Unit prices can be compared to find the best value for money when shopping.