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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 853 · 40 questions
TalentJR

How to solve it (Cross-multiply to compare): Compare a/b and c/d: work out a × d and c × b — the bigger product goes with the bigger fraction. Add: make the bottoms the same (use the LCM), add the tops, then simplify. Fraction of a number: divide by the bottom, multiply by the top (3/4 of 48 = 48 ÷ 4 × 3 = 36).

NameDateTime takenScore ___ / 40
  1. 1.Which fraction is greater: 1/3 or 1/9? (a) They are equal (b) 1/3 (c) 1/9
  2. 2.What is 1/2 of 10? (a) 6 (b) 4 (c) 5 (d) 10
  3. 3.1/6 + 2/4 = ? (a) 3/4 (b) 7/12 (c) 3/10 (d) 2/3
  4. 4.What is 1/4 of 24? (a) 6 (b) 18 (c) 7 (d) 12
  5. 5.Which fraction is greater: 2/5 or 4/11? (a) 4/11 (b) They are equal (c) 2/5
  6. 6.What is 1/5 of 10? (a) 3 (b) 4 (c) 2 (d) 8
  7. 7.Which fraction is greater: 9/10 or 1/7? (a) 1/7 (b) 9/10 (c) They are equal
  8. 8.2/8 + 1/2 = ? (a) 5/8 (b) 7/8 (c) 3/4 (d) 3/10
  9. 9.What is 2/3 of 6? (a) 6 (b) 5 (c) 4 (d) 2
  10. 10.Which fraction is greater: 3/7 or 1/3? (a) 1/3 (b) They are equal (c) 3/7
  11. 11.Which fraction is greater: 1/12 or 1/3? (a) They are equal (b) 1/3 (c) 1/12
  12. 12.Which fraction is greater: 8/11 or 4/7? (a) They are equal (b) 8/11 (c) 4/7
  13. 13.Which fraction is greater: 3/10 or 1/4? (a) 1/4 (b) They are equal (c) 3/10
  14. 14.What is 1/2 of 18? (a) 8 (b) 10 (c) 9 (d) 18
  15. 15.5/7 + 1/3 = ? (a) 3/5 (b) 22/21 (c) 1 (d) 23/21
  16. 16.What is 1/2 of 4? (a) 2 (b) 1 (c) 3 (d) 4
  17. 17.Which fraction is greater: 3/8 or 1/5? (a) They are equal (b) 3/8 (c) 1/5
  18. 18.What is 1/8 of 64? (a) 8 (b) 56 (c) 9 (d) 16
  19. 19.What is 2/5 of 45? (a) 18 (b) 9 (c) 27 (d) 19
  20. 20.Which fraction is greater: 4/7 or 2/3? (a) 2/3 (b) 4/7 (c) They are equal
  21. 21.What is 1/2 of 12? (a) 12 (b) 6 (c) 5 (d) 7
  22. 22.Which fraction is greater: 1/8 or 3/4? (a) 1/8 (b) They are equal (c) 3/4
  23. 23.2/4 + 2/3 = ? (a) 13/12 (b) 4/7 (c) 7/6 (d) 5/4
  24. 24.Which fraction is greater: 2/3 or 5/12? (a) They are equal (b) 5/12 (c) 2/3
  25. 25.What is 1/2 of 6? (a) 2 (b) 4 (c) 3 (d) 6
  26. 26.Which fraction is greater: 6/11 or 1/9? (a) 6/11 (b) They are equal (c) 1/9
  27. 27.Which fraction is greater: 1/3 or 2/5? (a) 2/5 (b) 1/3 (c) They are equal
  28. 28.Which fraction is greater: 5/11 or 4/5? (a) 4/5 (b) They are equal (c) 5/11
  29. 29.Which fraction is greater: 10/11 or 2/5? (a) 10/11 (b) 2/5 (c) They are equal
  30. 30.What is 2/9 of 108? (a) 12 (b) 84 (c) 36 (d) 24
  31. 31.5/8 + 2/3 = ? (a) 31/24 (b) 5/4 (c) 4/3 (d) 7/11
  32. 32.3/5 + 1/6 = ? (a) 23/30 (b) 4/11 (c) 11/15 (d) 4/5
  33. 33.Which fraction is greater: 3/11 or 1/4? (a) They are equal (b) 1/4 (c) 3/11
  34. 34.3/4 + 1/2 = ? (a) 3/2 (b) 2/3 (c) 5/4 (d) 1
  35. 35.What is 1/3 of 36? (a) 12 (b) 24 (c) 11 (d) 13
  36. 36.Which fraction is greater: 5/12 or 1/5? (a) 1/5 (b) 5/12 (c) They are equal
  37. 37.What is 4/9 of 72? (a) 40 (b) 32 (c) 33 (d) 8
  38. 38.Which fraction is greater: 2/3 or 5/11? (a) 2/3 (b) They are equal (c) 5/11
  39. 39.1/6 + 1/2 = ? (a) 5/6 (b) 1/2 (c) 1/4 (d) 2/3
  40. 40.2/4 + 5/7 = ? (a) 33/28 (b) 5/4 (c) 17/14 (d) 7/11

Answer key

  1. 1/3
  2. 5
  3. 2/3
  4. 6
  5. 2/5
  6. 2
  7. 9/10
  8. 3/4
  9. 4
  10. 3/7
  11. 1/3
  12. 8/11
  13. 3/10
  14. 9
  15. 22/21
  16. 2
  17. 3/8
  18. 8
  19. 18
  20. 2/3
  21. 6
  22. 3/4
  23. 7/6
  24. 2/3
  25. 3
  26. 6/11
  27. 2/5
  28. 4/5
  29. 10/11
  30. 24
  31. 31/24
  32. 23/30
  33. 3/11
  34. 5/4
  35. 12
  36. 5/12
  37. 32
  38. 2/3
  39. 2/3
  40. 17/14

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