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Percentage of an Amount Worksheet (Non-Calculator)

KS3-GCSE | Years 6-11Non-Calculator25 questions

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

Worked Example

Find 35% of 160

10% of 160 = 16
30% of 160 = 3 × 16 = 48
5% of 160 = 8 (half of 10%)
35% = 48 + 8 = 56

Answer: 56

Do not use a calculator for any question on this sheet. Use the 10% building block method to break each percentage into parts. Show all working.

  1. 1. Find 10% of 450.

  2. 2. Find 10% of 2,400.

  3. 3. Find 20% of 350.

  4. 4. Find 50% of 184.

  5. 5. Find 25% of 240.

  6. 6. Find 75% of 80.

  7. 7. Find 30% of 250.

  8. 8. Find 5% of 380.

  9. 9. Find 15% of 200.

  10. 10. Find 35% of 400.

  11. 11. Find 45% of 300.

  12. 12. Find 1% of 850.

  13. 13. Find 2% of 650.

  14. 14. Find 12% of 250.

  15. 15. Find 18% of 400.

  16. 16. Find 35% of 280.

  17. 17. Find 55% of 160.

  18. 18. Find 65% of 200.

  19. 19. Find 22% of 350.

  20. 20. Find 8% of 450.

  21. 21. A school has 600 pupils. 35% are in KS4. How many pupils are in KS4?

  22. 22. A jacket costs £80. It is reduced by 15% in a sale. What is the discount?

  23. 23. A salary is £28,000. An employee receives a 5% pay rise. How much extra does she earn?

  24. 24. 420 people attend a concert. 65% are adults. How many adults attend?

  25. 25. A recipe uses 480 g of ingredients. 25% is sugar. How many grams of sugar are used?

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Worked Answers

  1. 1. 10% of 450 = 45
  2. 2. 10% of 2,400 = 240
  3. 3. 10% of 350 = 35; 20% = 70 = 70
  4. 4. 50% of 184 = 92
  5. 5. 50% of 240 = 120; 25% = 60 = 60
  6. 6. 50% of 80 = 40; 25% = 20; 75% = 40 + 20 = 60
  7. 7. 10% of 250 = 25; 30% = 3 × 25 = 75
  8. 8. 10% of 380 = 38; 5% = 19 = 19
  9. 9. 10% of 200 = 20; 5% = 10; 15% = 20 + 10 = 30
  10. 10. 30% of 400 = 120; 5% = 20; 35% = 120 + 20 = 140
  11. 11. 40% of 300 = 120; 5% = 15; 45% = 120 + 15 = 135
  12. 12. 1% of 850 = 8.50
  13. 13. 1% of 650 = 6.50; 2% = 13
  14. 14. 10% of 250 = 25; 2% = 5; 12% = 25 + 5 = 30
  15. 15. 10% of 400 = 40; 8% = 32; 18% = 40 + 32 = 72
  16. 16. 10% of 280 = 28; 30% = 84; 5% = 14; 35% = 84 + 14 = 98
  17. 17. 50% of 160 = 80; 5% = 8; 55% = 80 + 8 = 88
  18. 18. 60% of 200 = 120; 5% = 10; 65% = 120 + 10 = 130
  19. 19. 20% of 350 = 70; 2% = 7; 22% = 70 + 7 = 77
  20. 20. 10% of 450 = 45; 2% = 9; 8% = 45 - 9 = 36
  21. 21. 10% of 600 = 60; 30% = 180; 5% = 30; 35% = 180 + 30 = 210 pupils
  22. 22. 10% of £80 = £8; 5% = £4; 15% = £8 + £4 = £12
  23. 23. 10% of £28,000 = £2,800; 5% = £1,400 = £1,400
  24. 24. 60% of 420 = 252; 5% = 21; 65% = 252 + 21 = 273 adults
  25. 25. 25% of 480 g = 120 g = 120 g

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