PERCENTAGESHow to find:

• 20% of 80

• 15% of 400

• 7% of 9

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=30Answer: 60% of 50 is 30

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%

Income tax

• Personal Allowance - £6475

• Over £6,475 – 20%

• Over £37,401 – 40%

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

National Insurance

• Personal Allowance – first £110 per week

• Over £110/week – 11%