Specification References: N2.7 N2.7 Calculate with fractions, decimals and percentages. |
This is part of the core number work required across all units. The core number work will be assessed so that it is linked to other specification references within this unit.
Candidates will not be required to calculate reverse percentage, repeated percentage change or compound interest in this unit.
Reverse percentage may be assessed in the Higher tier of Unit 1 or unit 2 (where numbers used will be consistent with a non-calculator examination).
Repeated percentage change and compound interest will only be assessed in Higher tier Unit 1.
For example, a 15% increase in the value Y, is calculated as 1.15 x Y. Unit 1 only.
For example, a 15% increase in value Y, followed by a 15% decrease is calculated as 1.15 x 0.85 x Y. Higher tier Unit 1 only.