In National Lifeskills Maths learn about simple interest which is calculated on a yearly basis (annually) and depends on the interest rate.

Interest is defined as the cost of borrowing money or the rate paid on a deposit to an investor. It can be classified as simple interest or compound interest.

Learn about and revise how to calculate percentages to solve real life problems, such as compound interest, with this BBC Bitesize GCSE Edexcel guide.

Learn how to calculate the Simple Interest in Excel either for a single entry or a range or entries, between two dates, using this forumula.