How to work out the
- how to work out the average
- how to work out the mode
- how to work out the area of a trapezium
- how to work out the area of a circle
- how to work out the area of a triangle
- how to work out the range
- how to work out the mean
- how to work out the circumference of a circle
- how to work out the percentage of something
- how to work out the median
