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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 364 · 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: 2/3 or 3/4? (a) 2/3 (b) 3/4 (c) They are equal
  2. 2.1/3 + 2/3 = ? (a) 1 (b) 1/2 (c) 2/3 (d) 4/3
  3. 3.Which fraction is greater: 5/9 or 7/8? (a) 5/9 (b) They are equal (c) 7/8
  4. 4.What is 1/3 of 27? (a) 10 (b) 18 (c) 9 (d) 8
  5. 5.Which fraction is greater: 1/4 or 1/7? (a) 1/4 (b) 1/7 (c) They are equal
  6. 6.Which fraction is greater: 1/8 or 1/5? (a) 1/5 (b) They are equal (c) 1/8
  7. 7.What is 1/2 of 12? (a) 5 (b) 12 (c) 7 (d) 6
  8. 8.1/2 + 1/2 = ? (a) 2 (b) 1 (c) 3/2 (d) 1/2
  9. 9.Which fraction is greater: 1/5 or 8/9? (a) 8/9 (b) They are equal (c) 1/5
  10. 10.Which fraction is greater: 1/11 or 1/5? (a) They are equal (b) 1/5 (c) 1/11
  11. 11.Which fraction is greater: 1/10 or 5/11? (a) They are equal (b) 1/10 (c) 5/11
  12. 12.Which fraction is greater: 2/5 or 3/4? (a) 3/4 (b) 2/5 (c) They are equal
  13. 13.1/3 + 1/2 = ? (a) 1 (b) 2/5 (c) 2/3 (d) 5/6
  14. 14.What is 1/3 of 18? (a) 5 (b) 12 (c) 7 (d) 6
  15. 15.4/5 + 2/4 = ? (a) 27/20 (b) 2/3 (c) 5/4 (d) 13/10
  16. 16.2/5 + 1/2 = ? (a) 1 (b) 3/7 (c) 4/5 (d) 9/10
  17. 17.What is 1/3 of 6? (a) 3 (b) 2 (c) 1 (d) 4
  18. 18.What is 3/5 of 20? (a) 16 (b) 12 (c) 8 (d) 4
  19. 19.Which fraction is greater: 3/4 or 1/7? (a) They are equal (b) 1/7 (c) 3/4
  20. 20.What is 1/8 of 88? (a) 22 (b) 12 (c) 77 (d) 11
  21. 21.What is 2/9 of 99? (a) 22 (b) 11 (c) 33 (d) 77
  22. 22.What is 1/2 of 22? (a) 10 (b) 11 (c) 12 (d) 22
  23. 23.1/2 + 1/5 = ? (a) 3/5 (b) 7/10 (c) 2/7 (d) 4/5
  24. 24.What is 5/9 of 36? (a) 4 (b) 20 (c) 16 (d) 24
  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: 3/5 or 1/4? (a) 3/5 (b) They are equal (c) 1/4
  27. 27.Which fraction is greater: 1/3 or 8/11? (a) They are equal (b) 8/11 (c) 1/3
  28. 28.Which fraction is greater: 6/11 or 2/5? (a) They are equal (b) 2/5 (c) 6/11
  29. 29.What is 1/2 of 10? (a) 4 (b) 6 (c) 5 (d) 10
  30. 30.1/2 + 7/9 = ? (a) 4/3 (b) 11/9 (c) 23/18 (d) 8/11
  31. 31.Which fraction is greater: 5/11 or 5/12? (a) 5/11 (b) 5/12 (c) They are equal
  32. 32.2/6 + 4/6 = ? (a) 5/6 (b) 1/2 (c) 7/6 (d) 1
  33. 33.What is 7/8 of 24? (a) 22 (b) 21 (c) 3 (d) 24
  34. 34.Which fraction is greater: 1/12 or 3/7? (a) 1/12 (b) They are equal (c) 3/7
  35. 35.Which fraction is greater: 7/11 or 7/8? (a) 7/8 (b) 7/11 (c) They are equal
  36. 36.What is 3/4 of 32? (a) 32 (b) 24 (c) 25 (d) 8
  37. 37.What is 1/2 of 18? (a) 9 (b) 8 (c) 10 (d) 18
  38. 38.What is 1/7 of 42? (a) 12 (b) 7 (c) 36 (d) 6
  39. 39.Which fraction is greater: 1/5 or 1/8? (a) 1/8 (b) They are equal (c) 1/5
  40. 40.Which fraction is greater: 1/7 or 3/4? (a) They are equal (b) 1/7 (c) 3/4

Answer key

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

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