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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 820 · 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 1/2 of 16? (a) 8 (b) 7 (c) 9 (d) 16
  2. 2.What is 1/2 of 10? (a) 5 (b) 10 (c) 4 (d) 6
  3. 3.What is 4/9 of 81? (a) 9 (b) 36 (c) 37 (d) 45
  4. 4.Which fraction is greater: 5/8 or 3/10? (a) They are equal (b) 5/8 (c) 3/10
  5. 5.Which fraction is greater: 3/10 or 5/11? (a) They are equal (b) 5/11 (c) 3/10
  6. 6.Which fraction is greater: 5/11 or 2/3? (a) 5/11 (b) They are equal (c) 2/3
  7. 7.3/5 + 1/2 = ? (a) 1 (b) 6/5 (c) 11/10 (d) 4/7
  8. 8.What is 3/4 of 12? (a) 9 (b) 3 (c) 12 (d) 10
  9. 9.What is 2/9 of 90? (a) 10 (b) 20 (c) 70 (d) 30
  10. 10.Which fraction is greater: 1/3 or 10/11? (a) 10/11 (b) 1/3 (c) They are equal
  11. 11.Which fraction is greater: 2/7 or 1/4? (a) They are equal (b) 2/7 (c) 1/4
  12. 12.1/2 + 4/8 = ? (a) 1 (b) 1/2 (c) 7/8 (d) 9/8
  13. 13.Which fraction is greater: 2/5 or 6/7? (a) They are equal (b) 6/7 (c) 2/5
  14. 14.Which fraction is greater: 3/8 or 7/12? (a) They are equal (b) 7/12 (c) 3/8
  15. 15.Which fraction is greater: 4/7 or 3/5? (a) 4/7 (b) 3/5 (c) They are equal
  16. 16.Which fraction is greater: 7/10 or 3/5? (a) 3/5 (b) 7/10 (c) They are equal
  17. 17.1/4 + 2/3 = ? (a) 3/7 (b) 5/6 (c) 1 (d) 11/12
  18. 18.Which fraction is greater: 7/10 or 1/12? (a) 1/12 (b) They are equal (c) 7/10
  19. 19.What is 3/7 of 35? (a) 5 (b) 20 (c) 16 (d) 15
  20. 20.What is 1/3 of 36? (a) 24 (b) 11 (c) 12 (d) 13
  21. 21.4/8 + 4/8 = ? (a) 9/8 (b) 1 (c) 1/2 (d) 7/8
  22. 22.1/3 + 1/4 = ? (a) 2/7 (b) 2/3 (c) 7/12 (d) 1/2
  23. 23.1/5 + 1/2 = ? (a) 4/5 (b) 2/7 (c) 3/5 (d) 7/10
  24. 24.Which fraction is greater: 5/11 or 1/10? (a) They are equal (b) 5/11 (c) 1/10
  25. 25.What is 5/8 of 56? (a) 42 (b) 35 (c) 7 (d) 21
  26. 26.What is 2/5 of 35? (a) 14 (b) 7 (c) 15 (d) 21
  27. 27.What is 2/3 of 21? (a) 7 (b) 21 (c) 15 (d) 14
  28. 28.Which fraction is greater: 1/7 or 2/3? (a) 1/7 (b) They are equal (c) 2/3
  29. 29.Which fraction is greater: 1/5 or 1/3? (a) 1/3 (b) 1/5 (c) They are equal
  30. 30.Which fraction is greater: 2/5 or 7/12? (a) 7/12 (b) 2/5 (c) They are equal
  31. 31.Which fraction is greater: 1/6 or 5/8? (a) They are equal (b) 5/8 (c) 1/6
  32. 32.What is 2/5 of 60? (a) 24 (b) 12 (c) 25 (d) 36
  33. 33.Which fraction is greater: 1/3 or 1/7? (a) 1/3 (b) 1/7 (c) They are equal
  34. 34.Which fraction is greater: 4/7 or 9/11? (a) 9/11 (b) 4/7 (c) They are equal
  35. 35.1/3 + 1/3 = ? (a) 1 (b) 1/3 (c) 4/3 (d) 2/3
  36. 36.1/2 + 2/3 = ? (a) 3/5 (b) 7/6 (c) 1 (d) 4/3
  37. 37.What is 1/2 of 20? (a) 20 (b) 11 (c) 9 (d) 10
  38. 38.Which fraction is greater: 2/3 or 7/9? (a) 2/3 (b) 7/9 (c) They are equal
  39. 39.Which fraction is greater: 5/12 or 3/5? (a) 3/5 (b) They are equal (c) 5/12
  40. 40.What is 5/6 of 42? (a) 35 (b) 36 (c) 7 (d) 42

Answer key

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

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