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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 958 · 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: 5/11 or 2/3? (a) 5/11 (b) 2/3 (c) They are equal
  2. 2.3/6 + 2/4 = ? (a) 13/12 (b) 1/2 (c) 1 (d) 11/12
  3. 3.Which fraction is greater: 2/3 or 3/5? (a) They are equal (b) 3/5 (c) 2/3
  4. 4.Which fraction is greater: 4/5 or 2/3? (a) They are equal (b) 4/5 (c) 2/3
  5. 5.What is 1/3 of 12? (a) 5 (b) 4 (c) 3 (d) 8
  6. 6.Which fraction is greater: 2/7 or 9/11? (a) They are equal (b) 2/7 (c) 9/11
  7. 7.Which fraction is greater: 5/6 or 3/4? (a) They are equal (b) 5/6 (c) 3/4
  8. 8.Which fraction is greater: 3/8 or 2/3? (a) They are equal (b) 3/8 (c) 2/3
  9. 9.Which fraction is greater: 6/7 or 5/9? (a) 5/9 (b) They are equal (c) 6/7
  10. 10.2/3 + 1/3 = ? (a) 2/3 (b) 1/2 (c) 1 (d) 4/3
  11. 11.What is 5/7 of 63? (a) 9 (b) 18 (c) 45 (d) 54
  12. 12.Which fraction is greater: 4/9 or 9/10? (a) 9/10 (b) 4/9 (c) They are equal
  13. 13.1/2 + 2/4 = ? (a) 5/4 (b) 3/4 (c) 1 (d) 1/2
  14. 14.Which fraction is greater: 5/7 or 1/3? (a) 1/3 (b) They are equal (c) 5/7
  15. 15.2/8 + 1/2 = ? (a) 3/10 (b) 7/8 (c) 5/8 (d) 3/4
  16. 16.Which fraction is greater: 2/9 or 10/11? (a) They are equal (b) 2/9 (c) 10/11
  17. 17.1/2 + 2/3 = ? (a) 3/5 (b) 4/3 (c) 1 (d) 7/6
  18. 18.Which fraction is greater: 2/3 or 3/4? (a) 2/3 (b) 3/4 (c) They are equal
  19. 19.1/2 + 1/7 = ? (a) 2/9 (b) 5/7 (c) 9/14 (d) 4/7
  20. 20.What is 1/2 of 4? (a) 1 (b) 2 (c) 3 (d) 4
  21. 21.What is 1/3 of 36? (a) 13 (b) 24 (c) 12 (d) 11
  22. 22.Which fraction is greater: 1/7 or 4/5? (a) 4/5 (b) They are equal (c) 1/7
  23. 23.What is 2/3 of 36? (a) 36 (b) 12 (c) 24 (d) 25
  24. 24.What is 1/2 of 22? (a) 12 (b) 22 (c) 11 (d) 10
  25. 25.Which fraction is greater: 2/3 or 1/11? (a) 2/3 (b) They are equal (c) 1/11
  26. 26.5/9 + 3/9 = ? (a) 4/9 (b) 7/9 (c) 8/9 (d) 1
  27. 27.Which fraction is greater: 3/11 or 2/5? (a) They are equal (b) 2/5 (c) 3/11
  28. 28.Which fraction is greater: 11/12 or 2/7? (a) 2/7 (b) 11/12 (c) They are equal
  29. 29.Which fraction is greater: 3/8 or 2/11? (a) 2/11 (b) They are equal (c) 3/8
  30. 30.What is 1/5 of 50? (a) 20 (b) 11 (c) 40 (d) 10
  31. 31.2/4 + 1/3 = ? (a) 3/4 (b) 11/12 (c) 5/6 (d) 3/7
  32. 32.What is 4/5 of 35? (a) 35 (b) 7 (c) 28 (d) 29
  33. 33.1/5 + 1/2 = ? (a) 4/5 (b) 7/10 (c) 3/5 (d) 2/7
  34. 34.1/3 + 2/3 = ? (a) 4/3 (b) 1/2 (c) 2/3 (d) 1
  35. 35.7/8 + 1/2 = ? (a) 11/8 (b) 4/5 (c) 5/4 (d) 3/2
  36. 36.3/8 + 3/6 = ? (a) 5/6 (b) 11/12 (c) 7/8 (d) 3/7
  37. 37.2/3 + 1/5 = ? (a) 3/8 (b) 4/5 (c) 13/15 (d) 14/15
  38. 38.What is 5/7 of 35? (a) 5 (b) 10 (c) 25 (d) 30
  39. 39.What is 4/5 of 10? (a) 2 (b) 10 (c) 8 (d) 9
  40. 40.What is 3/5 of 35? (a) 21 (b) 28 (c) 7 (d) 14

Answer key

  1. 2/3
  2. 1
  3. 2/3
  4. 4/5
  5. 4
  6. 9/11
  7. 5/6
  8. 2/3
  9. 6/7
  10. 1
  11. 45
  12. 9/10
  13. 1
  14. 5/7
  15. 3/4
  16. 10/11
  17. 7/6
  18. 3/4
  19. 9/14
  20. 2
  21. 12
  22. 4/5
  23. 24
  24. 11
  25. 2/3
  26. 8/9
  27. 2/5
  28. 11/12
  29. 3/8
  30. 10
  31. 5/6
  32. 28
  33. 7/10
  34. 1
  35. 11/8
  36. 7/8
  37. 13/15
  38. 25
  39. 8
  40. 21

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