Learn about and revise whole numbers and how they can be added, subtracted, multiplied and divided using rules with GCSE Bitesize OCR Maths.

Adding & Subtracting Currency Columns in Microsoft Excel. When you add or subtract currency-formatted numbers, Excel 2013 automatically adopts the currency format for the results.

Whole numbers - AQA Adding and subtracting negative numbers. Numbers can be written in words. Both positive and negative numbers can be added, subtracted, multiplied and divided using rules.