- Calculator allowed: Use decimal method (quick and accurate)
- Non-calculator: Use 10%, 5%, 1% building blocks
- Check sensibility: 50% should be half, 200% should be double
- Money answers: Round to nearest penny (2 d.p.)
- Show method: Write multiplier clearly for method marks
This exam tips covers Exam Tips within Percentages for GCSE Mathematics. Revise Percentages in Number for GCSE Mathematics with 14 exam-style questions and 22 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 15 of 16 in this topic. Treat this as a marking guide for what examiners are looking for, not just a fact list.
Practice questions for Percentages
Which calculation correctly finds 35% of £240 using the decimal method?
Which formula correctly expresses one quantity as a percentage of another?
Quick recall flashcards
What is a percentage?
Parts per hundred
Percent = per cent = per 100
% symbol means 'out of 100'
50% = 50/100 = half
Percentage to decimal
Divide by 100
75% = 0.75
8% = 0.08
150% = 1.5
Move decimal point 2 places left