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Percentage of an Amount Worksheet

KS3-GCSE | Years 7-11Mixed (Starter to Extension)30 questions

Free to print and use in your classroom. No sign-up required.

Worked Example

Find 35% of 240

Non-calculator method (10% building blocks):
10% of 240 = 24
30% of 240 = 3 × 24 = 72
5% of 240 = 12 (half of 10%)
35% = 72 + 12 = 84

Multiplier method:
35% of 240 = 240 × 0.35 = 84

Answer: 84

Work through each section. Use the non-calculator method for Section A. A calculator is permitted for Sections B and C. Show your working for each question.

Section A: Starter (Non-Calculator)

  1. 1. Find 10% of 350.

  2. 2. Find 50% of 420.

  3. 3. Find 25% of 80.

  4. 4. Find 20% of 150.

  5. 5. Find 30% of 200.

  6. 6. Find 15% of 80.

  7. 7. Find 5% of 240.

  8. 8. Find 35% of 400.

  9. 9. Find 12% of 250.

  10. 10. Find 45% of 200.

Section B: Main (Mixed Methods)

  1. 11. Find 17.5% of £640.

  2. 12. A television costs £480. Find 22% of this amount.

  3. 13. Find 8.5% of £1,200.

  4. 14. A salary is £34,000. Find 12% of this.

  5. 15. Find 0.5% of £8,000.

  6. 16. A school has 1,450 pupils. Find 34% of them.

  7. 17. Find 62.5% of 480.

  8. 18. A house is worth £325,000. Find 6.5% of this.

  9. 19. Find 37.5% of £120.

  10. 20. An energy bill is £1,840 per year. Find 15% of this amount.

Section C: Extension (Calculator)

  1. 21. Find 6.8% of £47,500.

  2. 22. A house price of £485,000 increases by 4.5%. Find the increase in value.

  3. 23. Find 0.75% of £250,000.

  4. 24. A company's turnover is £2.4 million. Find 11.25% of this.

  5. 25. Find 13.75% of £1,600.

  6. 26. Find 6.25% of £3,840.

  7. 27. A car costs £23,650. Find 9.5% of this amount.

  8. 28. Find 14.4% of £6,250.

  9. 29. A fund of £150,000 grows by 7.8%. Find the growth amount.

  10. 30. Find 0.35% of £840,000.

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Worked Answers

  1. 1. 10% of 350 = 35
  2. 2. 50% of 420 = 210
  3. 3. 25% of 80 = 20
  4. 4. 20% of 150 = 30
  5. 5. 30% of 200 = 60
  6. 6. 10% of 80 = 8; 5% of 80 = 4; 15% = 8 + 4 = 12
  7. 7. 10% of 240 = 24; 5% = 12 = 12
  8. 8. 10% of 400 = 40; 30% = 120; 5% = 20; 35% = 120 + 20 = 140
  9. 9. 10% of 250 = 25; 2% = 5; 12% = 25 + 5 = 30
  10. 10. 40% of 200 = 80; 5% = 10; 45% = 80 + 10 = 90
  11. 11. 640 × 0.175 = £112
  12. 12. 480 × 0.22 = £105.60
  13. 13. 1,200 × 0.085 = £102
  14. 14. 34,000 × 0.12 = £4,080
  15. 15. 8,000 × 0.005 = £40
  16. 16. 1,450 × 0.34 = 493 pupils
  17. 17. 480 × 0.625 = 300
  18. 18. 325,000 × 0.065 = £21,125
  19. 19. 120 × 0.375 = £45
  20. 20. 1,840 × 0.15 = £276
  21. 21. 47,500 × 0.068 = £3,230
  22. 22. 485,000 × 0.045 = £21,825
  23. 23. 250,000 × 0.0075 = £1,875
  24. 24. 2,400,000 × 0.1125 = £270,000
  25. 25. 1,600 × 0.1375 = £220
  26. 26. 3,840 × 0.0625 = £240
  27. 27. 23,650 × 0.095 = £2,246.75
  28. 28. 6,250 × 0.144 = £900
  29. 29. 150,000 × 0.078 = £11,700
  30. 30. 840,000 × 0.0035 = £2,940

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