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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 482 · 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.What is 2/7 of 56? (a) 40 (b) 8 (c) 16 (d) 24
  2. 2.Which fraction is greater: 1/9 or 1/3? (a) 1/3 (b) 1/9 (c) They are equal
  3. 3.1/3 + 3/7 = ? (a) 17/21 (b) 16/21 (c) 5/7 (d) 2/5
  4. 4.Which fraction is greater: 2/3 or 11/12? (a) 2/3 (b) They are equal (c) 11/12
  5. 5.What is 4/7 of 70? (a) 30 (b) 40 (c) 10 (d) 50
  6. 6.What is 1/3 of 27? (a) 8 (b) 18 (c) 9 (d) 10
  7. 7.What is 1/2 of 4? (a) 1 (b) 3 (c) 4 (d) 2
  8. 8.What is 2/3 of 36? (a) 36 (b) 24 (c) 12 (d) 25
  9. 9.What is 3/5 of 25? (a) 15 (b) 20 (c) 5 (d) 10
  10. 10.Which fraction is greater: 5/12 or 2/9? (a) 2/9 (b) They are equal (c) 5/12
  11. 11.What is 4/5 of 10? (a) 8 (b) 9 (c) 2 (d) 10
  12. 12.Which fraction is greater: 1/12 or 1/3? (a) 1/12 (b) 1/3 (c) They are equal
  13. 13.What is 1/4 of 44? (a) 33 (b) 12 (c) 11 (d) 22
  14. 14.What is 1/3 of 21? (a) 14 (b) 8 (c) 7 (d) 6
  15. 15.1/4 + 2/3 = ? (a) 5/6 (b) 3/7 (c) 11/12 (d) 1
  16. 16.Which fraction is greater: 8/11 or 1/3? (a) They are equal (b) 1/3 (c) 8/11
  17. 17.What is 1/3 of 33? (a) 12 (b) 11 (c) 22 (d) 10
  18. 18.Which fraction is greater: 8/9 or 9/10? (a) 9/10 (b) They are equal (c) 8/9
  19. 19.Which fraction is greater: 1/5 or 5/12? (a) They are equal (b) 1/5 (c) 5/12
  20. 20.Which fraction is greater: 1/5 or 3/7? (a) 3/7 (b) They are equal (c) 1/5
  21. 21.Which fraction is greater: 1/3 or 1/5? (a) 1/5 (b) They are equal (c) 1/3
  22. 22.Which fraction is greater: 1/3 or 7/8? (a) They are equal (b) 1/3 (c) 7/8
  23. 23.Which fraction is greater: 3/7 or 1/4? (a) 1/4 (b) They are equal (c) 3/7
  24. 24.3/5 + 4/6 = ? (a) 13/10 (b) 7/11 (c) 37/30 (d) 19/15
  25. 25.What is 5/6 of 72? (a) 12 (b) 72 (c) 61 (d) 60
  26. 26.Which fraction is greater: 5/11 or 1/4? (a) They are equal (b) 5/11 (c) 1/4
  27. 27.Which fraction is greater: 8/11 or 7/8? (a) They are equal (b) 8/11 (c) 7/8
  28. 28.5/6 + 1/3 = ? (a) 1 (b) 7/6 (c) 2/3 (d) 4/3
  29. 29.What is 1/9 of 72? (a) 16 (b) 64 (c) 9 (d) 8
  30. 30.Which fraction is greater: 3/8 or 4/7? (a) 4/7 (b) 3/8 (c) They are equal
  31. 31.2/3 + 1/4 = ? (a) 1 (b) 3/7 (c) 11/12 (d) 5/6
  32. 32.5/6 + 1/5 = ? (a) 6/11 (b) 16/15 (c) 1 (d) 31/30
  33. 33.1/3 + 1/4 = ? (a) 2/3 (b) 2/7 (c) 1/2 (d) 7/12
  34. 34.What is 7/8 of 80? (a) 10 (b) 80 (c) 70 (d) 71
  35. 35.1/4 + 1/8 = ? (a) 1/6 (b) 1/4 (c) 3/8 (d) 1/2
  36. 36.What is 1/3 of 15? (a) 10 (b) 5 (c) 4 (d) 6
  37. 37.Which fraction is greater: 1/3 or 5/12? (a) They are equal (b) 5/12 (c) 1/3
  38. 38.1/2 + 1/2 = ? (a) 1/2 (b) 1 (c) 3/2 (d) 2
  39. 39.2/3 + 2/9 = ? (a) 8/9 (b) 1 (c) 1/3 (d) 7/9
  40. 40.What is 4/5 of 20? (a) 17 (b) 20 (c) 4 (d) 16

Answer key

  1. 16
  2. 1/3
  3. 16/21
  4. 11/12
  5. 40
  6. 9
  7. 2
  8. 24
  9. 15
  10. 5/12
  11. 8
  12. 1/3
  13. 11
  14. 7
  15. 11/12
  16. 8/11
  17. 11
  18. 9/10
  19. 5/12
  20. 3/7
  21. 1/3
  22. 7/8
  23. 3/7
  24. 19/15
  25. 60
  26. 5/11
  27. 7/8
  28. 7/6
  29. 8
  30. 4/7
  31. 11/12
  32. 31/30
  33. 7/12
  34. 70
  35. 3/8
  36. 5
  37. 5/12
  38. 1
  39. 8/9
  40. 16

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