Percentage Increase Worksheet
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Percentage Increase Worksheet
Step-by-Step Method
Increase £250 by 20%
Find 20% of £250:
10% of £250 = £25
20% = £25 × 2 = £50
New amount = £250 + £50 = £300
Answer: £300
Multiplier Method
Increase £250 by 20%
An increase of 20% means the new amount is 120% of the original.
Multiplier = 1 + 20 ÷ 100 = 1.20
£250 × 1.20 = £300
Answer: £300
Use the step-by-step method for Section A. Use the multiplier method for Section B. Show all working.
Section A: Step-by-Step Method (Q1-10)
1. Increase £150 by 20%.
2. Increase 600 by 10%.
3. Increase £82 by 50%.
4. Increase 340 by 15%.
5. Increase £240 by 25%.
6. A salary of £26,000 rises by 4%. Find the new salary.
7. Increase 720 by 35%.
8. A price of £64 rises by 12.5%. Find the new price.
9. Increase 1,500 by 8%.
10. A house worth £280,000 rises in value by 6%. Find the new value.
Section B: Multiplier Method (Q11-20)
11. Increase £350 by 18%.
12. Increase 840 by 22.5%.
13. Increase £5,200 by 7.5%.
14. A train ticket costing £48 rises by 5.5%. Find the new price.
15. Increase £1,200 by 33%.
16. A flat worth £165,000 rises in value by 12%. Find the new value.
17. Increase 4,500 by 6.5%.
18. A salary of £32,000 rises by 3.5%. Find the new salary.
19. Increase £9,800 by 15.5%.
20. A fund of £250,000 grows by 4.8%. Find the new value of the fund.
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