‘per cent’ means per hundred % Percentages % What does percent mean? ‘per cent’ means per hundred % means /100 So 50% means 50 out of 100

To change a percentage to a fraction Percentages already are fractions: always fractions of 100: 20% means Next step: simplify: 20 100 20 100 2 10 1 5 = =

50 100 70 100 28 100 5 100 35 100 20 100 1 100 80 100 90 100 6 100 64 100 2 100 22 100 4 100 15 100

1 2 7 10 7 25 1 20 7 20 1 5 1 100 4 5 9 10 3 50 16 25 1 50 11 50 1 25 3 20

25% 8% 16% 10% 85% 98% 75% 30% 96% 40% 34% 60% 18% 45% 95%

What are the most important percentages to remember?