1. PERCENTAGES How to find: 20% of 80 15% of 400 7% of 9

3. 10s% Pick up some number Divide it by 10 That’s 10% of the number Multiply the result by number of tens % 60% of 50 50÷10=5 5x6=30 Answer: 60% of 50 is 30

4. Calculate: 10% of 100 20% of 60 30% of 90 40% of 30 50% of 50 60% of 60 70% of 30 80% of 80 90% of 10 ₤100-20% ₤40-10% ₤90-30% ₤15-30% ₤200-25% ₤12-25%

5. Income tax Personal Allowance - £6475 Over £6,475 – 20% Over £37,401 – 40%

6. Income tax Personal Allowance - £6475 Over £6,475 – 20% Over £37,401 – 40% £20,000 taxed £20,000- £6,475=x X-20%=income net

7. National Insurance Personal Allowance – first £110 per week Over £110/week – 11%