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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 108 · 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 1/6? (a) They are equal (b) 1/6 (c) 1/3
  2. 2.5/6 + 2/4 = ? (a) 4/3 (b) 5/4 (c) 17/12 (d) 7/10
  3. 3.Which fraction is greater: 2/11 or 3/5? (a) 2/11 (b) They are equal (c) 3/5
  4. 4.What is 1/2 of 16? (a) 9 (b) 16 (c) 7 (d) 8
  5. 5.4/6 + 2/3 = ? (a) 2/3 (b) 7/6 (c) 4/3 (d) 3/2
  6. 6.What is 1/9 of 63? (a) 56 (b) 8 (c) 7 (d) 14
  7. 7.Which fraction is greater: 1/12 or 1/8? (a) They are equal (b) 1/8 (c) 1/12
  8. 8.Which fraction is greater: 1/8 or 1/4? (a) They are equal (b) 1/8 (c) 1/4
  9. 9.Which fraction is greater: 4/9 or 1/3? (a) 1/3 (b) 4/9 (c) They are equal
  10. 10.What is 3/4 of 8? (a) 7 (b) 8 (c) 2 (d) 6
  11. 11.Which fraction is greater: 8/9 or 3/7? (a) 3/7 (b) 8/9 (c) They are equal
  12. 12.What is 1/3 of 33? (a) 10 (b) 12 (c) 11 (d) 22
  13. 13.What is 1/5 of 30? (a) 24 (b) 6 (c) 12 (d) 7
  14. 14.Which fraction is greater: 7/9 or 1/4? (a) 7/9 (b) 1/4 (c) They are equal
  15. 15.1/6 + 1/5 = ? (a) 2/11 (b) 1/3 (c) 2/5 (d) 11/30
  16. 16.Which fraction is greater: 8/9 or 8/11? (a) 8/11 (b) 8/9 (c) They are equal
  17. 17.What is 1/8 of 80? (a) 11 (b) 20 (c) 70 (d) 10
  18. 18.What is 1/5 of 40? (a) 8 (b) 16 (c) 32 (d) 9
  19. 19.7/9 + 1/2 = ? (a) 4/3 (b) 11/9 (c) 8/11 (d) 23/18
  20. 20.What is 4/7 of 35? (a) 25 (b) 15 (c) 20 (d) 5
  21. 21.Which fraction is greater: 9/10 or 4/9? (a) 9/10 (b) 4/9 (c) They are equal
  22. 22.Which fraction is greater: 1/10 or 2/5? (a) 2/5 (b) They are equal (c) 1/10
  23. 23.Which fraction is greater: 3/8 or 7/10? (a) They are equal (b) 7/10 (c) 3/8
  24. 24.What is 6/7 of 21? (a) 19 (b) 18 (c) 21 (d) 3
  25. 25.Which fraction is greater: 5/8 or 5/6? (a) They are equal (b) 5/6 (c) 5/8
  26. 26.Which fraction is greater: 8/9 or 1/12? (a) 1/12 (b) They are equal (c) 8/9
  27. 27.What is 2/5 of 15? (a) 3 (b) 7 (c) 9 (d) 6
  28. 28.Which fraction is greater: 5/6 or 3/4? (a) They are equal (b) 5/6 (c) 3/4
  29. 29.What is 2/7 of 35? (a) 5 (b) 25 (c) 15 (d) 10
  30. 30.6/7 + 1/4 = ? (a) 15/14 (b) 8/7 (c) 31/28 (d) 7/11
  31. 31.What is 1/4 of 8? (a) 2 (b) 4 (c) 3 (d) 6
  32. 32.What is 1/8 of 96? (a) 13 (b) 12 (c) 24 (d) 84
  33. 33.What is 1/2 of 24? (a) 12 (b) 13 (c) 24 (d) 11
  34. 34.2/4 + 1/2 = ? (a) 1/2 (b) 1 (c) 3/4 (d) 5/4
  35. 35.1/5 + 1/6 = ? (a) 1/3 (b) 11/30 (c) 2/5 (d) 2/11
  36. 36.1/3 + 2/5 = ? (a) 2/3 (b) 4/5 (c) 11/15 (d) 3/8
  37. 37.What is 8/9 of 90? (a) 90 (b) 10 (c) 80 (d) 81
  38. 38.Which fraction is greater: 1/10 or 1/3? (a) They are equal (b) 1/10 (c) 1/3
  39. 39.Which fraction is greater: 5/8 or 2/3? (a) 2/3 (b) They are equal (c) 5/8
  40. 40.What is 2/3 of 30? (a) 21 (b) 20 (c) 10 (d) 30

Answer key

  1. 1/3
  2. 4/3
  3. 3/5
  4. 8
  5. 4/3
  6. 7
  7. 1/8
  8. 1/4
  9. 4/9
  10. 6
  11. 8/9
  12. 11
  13. 6
  14. 7/9
  15. 11/30
  16. 8/9
  17. 10
  18. 8
  19. 23/18
  20. 20
  21. 9/10
  22. 2/5
  23. 7/10
  24. 18
  25. 5/6
  26. 8/9
  27. 6
  28. 5/6
  29. 10
  30. 31/28
  31. 2
  32. 12
  33. 12
  34. 1
  35. 11/30
  36. 11/15
  37. 80
  38. 1/3
  39. 2/3
  40. 20

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