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Yr 9 Financial Maths
| Term | Definition |
|---|---|
| Compound Interest | Interest calculated on the principal and the interest accumulated over the previous period. Formula for compounding Interest A=P( l + r ) to the power of T Formula to calculate compounding interest earned I=A-P |
| Wage | A fixed amount of money per hour worked. Hours worked outside the normal work period are paid at a higher rate. |
| Salary | A fixed amount of money paid per year (annually), usually paid fortnightly or monthly regardless of the number of hours worked. |
| Overtime | When a wage earner works more than their regular hours each week. These additional payments are often referred to as penalty rates. |
| Penalty rates | Are usually paid at a higher rate for working on weekends, public holidays or at night. normally calculated at either time and a half or double time. |
| Time sheet | Provides details of the number of hours worked by each employee, includes overtime. |
| Pay slip | Provides details of hours worked and the rate for each employee. |
| Interest | Fee charged for the use of someone else's money. |
| Interest Rates | Are quoted as a percentage over a given time period, usually a year. |
| Principal | Money placed in a financial institution eg bank The amount of money you start with |
| Investors | people who place money in a financial institution. They receive interest for the use of their money. |
| Borrowers | Pay interest to financial institutions for using someone else's money. |
| Simple Interest | Interest paid on the principal of an investment. Usually used for short term assets or loans |
| Formula for Simple Interest | I=PrT I= the amount of interest earned or paid P= the principal ( initial amount borrowed or invested r= interest rate as a percentage per annum (yearly) T= Time for which the money is borrowed or invested in years |
| p.a | per annum (yearly) |