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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 48 · 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: 3/11 or 1/5? (a) They are equal (b) 3/11 (c) 1/5
  2. 2.What is 1/4 of 44? (a) 22 (b) 12 (c) 11 (d) 33
  3. 3.What is 1/2 of 4? (a) 2 (b) 4 (c) 3 (d) 1
  4. 4.3/6 + 1/3 = ? (a) 2/3 (b) 1 (c) 4/9 (d) 5/6
  5. 5.1/9 + 1/2 = ? (a) 2/11 (b) 11/18 (c) 2/3 (d) 5/9
  6. 6.Which fraction is greater: 1/4 or 5/7? (a) They are equal (b) 5/7 (c) 1/4
  7. 7.4/8 + 1/3 = ? (a) 5/11 (b) 5/6 (c) 7/8 (d) 19/24
  8. 8.What is 1/2 of 20? (a) 11 (b) 10 (c) 9 (d) 20
  9. 9.1/3 + 1/2 = ? (a) 5/6 (b) 2/5 (c) 1 (d) 2/3
  10. 10.What is 2/3 of 21? (a) 7 (b) 14 (c) 15 (d) 21
  11. 11.3/4 + 1/2 = ? (a) 2/3 (b) 3/2 (c) 5/4 (d) 1
  12. 12.3/4 + 3/4 = ? (a) 3/2 (b) 7/4 (c) 3/4 (d) 5/4
  13. 13.2/4 + 1/2 = ? (a) 1 (b) 1/2 (c) 3/4 (d) 5/4
  14. 14.Which fraction is greater: 1/10 or 2/7? (a) They are equal (b) 1/10 (c) 2/7
  15. 15.What is 1/3 of 12? (a) 3 (b) 4 (c) 5 (d) 8
  16. 16.What is 5/6 of 42? (a) 42 (b) 7 (c) 36 (d) 35
  17. 17.Which fraction is greater: 3/5 or 5/12? (a) 5/12 (b) 3/5 (c) They are equal
  18. 18.1/7 + 1/5 = ? (a) 1/6 (b) 11/35 (c) 13/35 (d) 12/35
  19. 19.Which fraction is greater: 5/8 or 2/11? (a) 2/11 (b) 5/8 (c) They are equal
  20. 20.1/2 + 2/8 = ? (a) 3/10 (b) 7/8 (c) 3/4 (d) 5/8
  21. 21.What is 3/4 of 44? (a) 33 (b) 34 (c) 44 (d) 11
  22. 22.Which fraction is greater: 3/10 or 3/5? (a) 3/5 (b) They are equal (c) 3/10
  23. 23.What is 1/4 of 48? (a) 13 (b) 12 (c) 36 (d) 24
  24. 24.1/2 + 4/5 = ? (a) 6/5 (b) 13/10 (c) 7/5 (d) 5/7
  25. 25.What is 7/9 of 63? (a) 14 (b) 49 (c) 56 (d) 7
  26. 26.5/9 + 4/9 = ? (a) 1/2 (b) 8/9 (c) 10/9 (d) 1
  27. 27.What is 1/2 of 10? (a) 4 (b) 6 (c) 10 (d) 5
  28. 28.6/7 + 2/5 = ? (a) 44/35 (b) 2/3 (c) 9/7 (d) 43/35
  29. 29.What is 1/3 of 9? (a) 4 (b) 3 (c) 6 (d) 2
  30. 30.1/3 + 2/8 = ? (a) 5/8 (b) 3/11 (c) 7/12 (d) 13/24
  31. 31.What is 5/6 of 60? (a) 10 (b) 50 (c) 60 (d) 51
  32. 32.What is 1/2 of 8? (a) 4 (b) 8 (c) 3 (d) 5
  33. 33.What is 2/9 of 99? (a) 11 (b) 77 (c) 22 (d) 33
  34. 34.Which fraction is greater: 1/11 or 7/10? (a) They are equal (b) 1/11 (c) 7/10
  35. 35.Which fraction is greater: 1/4 or 1/6? (a) 1/4 (b) They are equal (c) 1/6
  36. 36.Which fraction is greater: 5/7 or 1/12? (a) 1/12 (b) 5/7 (c) They are equal
  37. 37.Which fraction is greater: 1/5 or 1/9? (a) They are equal (b) 1/5 (c) 1/9
  38. 38.Which fraction is greater: 1/11 or 3/5? (a) 3/5 (b) 1/11 (c) They are equal
  39. 39.Which fraction is greater: 1/7 or 1/6? (a) They are equal (b) 1/6 (c) 1/7
  40. 40.What is 6/7 of 70? (a) 10 (b) 60 (c) 70 (d) 61

Answer key

  1. 3/11
  2. 11
  3. 2
  4. 5/6
  5. 11/18
  6. 5/7
  7. 5/6
  8. 10
  9. 5/6
  10. 14
  11. 5/4
  12. 3/2
  13. 1
  14. 2/7
  15. 4
  16. 35
  17. 3/5
  18. 12/35
  19. 5/8
  20. 3/4
  21. 33
  22. 3/5
  23. 12
  24. 13/10
  25. 49
  26. 1
  27. 5
  28. 44/35
  29. 3
  30. 7/12
  31. 50
  32. 4
  33. 22
  34. 7/10
  35. 1/4
  36. 5/7
  37. 1/5
  38. 3/5
  39. 1/6
  40. 60

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