Increase and decrease a quantity by a given percentage, using mental, written and calculator methods
| 1. | Toffee profit: Calculate a sum given original expenditure and percentage profit | |
| 2. | A long trip home: Calculate a total from a percentage | |
| 3. | A big bill: Calculate a total from a percentage | |
| 4. | Well-watered campers: Calculate a total from a percentage | |
| 5. | A tasty sweetener: Calculate a percentage increase of a quantity or number | |
| 6. | As time goes by : Calculate the first quantity given a final figure and percentage increase. | |
| 7. | Footy fever: Calculate a new price given the old price and percentage increase | |
| 8. | Percentage Wise: 560% of 12 litres=? | |
| 9. | Percentage Wise: Increase 320 by 80% | |
| 10. | Percentage Wise: Increase 4L by 1% | |
| 11. | Percentage Wise: Decrease 3L by 60% | |
| 12. | Fast shoe shuffle: Calculate prices using percentage increase and decrease |