Simple interest or compound interest?
Exercise and reference answers
- Items
- Item
- Always calculated on the original principal
- Category
- Simple interest
- Item
- The same interest is earned every year
- Category
- Simple interest
- Item
- Interest for 2 years is just twice one year's
- Category
- Simple interest
- Item
- Calculated on the previous year's amount
- Category
- Compound interest
- Item
- The interest grows year on year
- Category
- Compound interest
- Item
- Uses A = P + I as the next year's base
- Category
- Compound interest
- Categories
- Item
- Simple interest
- Item
- Compound interest
Explanation
Simple interest always uses the original principal
compound interest is worked out on the previous year's amount. Source: syllabus Maths, Ch 7 Comparing Quantities.