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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 564 · 40 questions
TalentJR

How to solve it (Jump to the hour): Minutes after: jump to the next full hour, then add the minutes that are left. Minutes before: jump back to the full hour, then go back the rest. How long: change both times to minutes, take away, then change back to hours and minutes (60 minutes = 1 hour).

NameDateTime takenScore ___ / 40
  1. 1.What time was it 15 minutes before 11:15? (a) 10:00 (b) 11:10 (c) 12:00 (d) 11:00
  2. 2.A film starts at 5:15 and ends at 5:45. How long is the film? (a) 30 min (b) 20 min (c) 40 min (d) 1 h 30 min
  3. 3.What time was it 20 minutes before 5:20? (a) 6:00 (b) 5:10 (c) 4:00 (d) 5:00
  4. 4.What time was it 40 minutes before 11:30? (a) 11:50 (b) 9:50 (c) 11:00 (d) 10:50
  5. 5.A film starts at 2:05 and ends at 4:45. How long is the film? (a) 2 h 40 min (b) 3 h 40 min (c) 2 h 50 min (d) 1 h 40 min
  6. 6.What time will it be 50 minutes after 7:05? (a) 7:45 (b) 7:55 (c) 8:55 (d) 6:55
  7. 7.What time will it be 40 minutes after 6:10? (a) 5:50 (b) 6:40 (c) 6:50 (d) 7:50
  8. 8.What time will it be 20 minutes after 1:15? (a) 2:35 (b) 1:25 (c) 1:35 (d) 1:45
  9. 9.What time will it be 55 minutes after 2:50? (a) 3:45 (b) 2:45 (c) 4:45 (d) 3:35
  10. 10.What time was it 55 minutes before 7:15? (a) 7:20 (b) 5:20 (c) 6:30 (d) 6:20
  11. 11.A film starts at 5:40 and ends at 8:10. How long is the film? (a) 1 h 30 min (b) 3 h 30 min (c) 2 h 40 min (d) 2 h 30 min
  12. 12.A film starts at 6:50 and ends at 9:50. How long is the film? (a) 3 h (b) 3 h 10 min (c) 4 h (d) 2 h
  13. 13.What time was it 35 minutes before 6:25? (a) 6:00 (b) 5:50 (c) 4:50 (d) 6:50
  14. 14.What time will it be 15 minutes after 7:05? (a) 7:10 (b) 7:20 (c) 6:20 (d) 8:20
  15. 15.What time will it be 20 minutes after 4:30? (a) 4:50 (b) 4:40 (c) 5:50 (d) 3:50
  16. 16.What time will it be 15 minutes after 2:05? (a) 1:20 (b) 2:10 (c) 2:20 (d) 3:20
  17. 17.What time was it 20 minutes before 4:20? (a) 4:10 (b) 3:00 (c) 5:00 (d) 4:00
  18. 18.What time was it 15 minutes before 4:25? (a) 4:20 (b) 4:10 (c) 5:10 (d) 3:10
  19. 19.What time will it be 55 minutes after 8:55? (a) 10:50 (b) 9:40 (c) 8:50 (d) 9:50
  20. 20.What time was it 20 minutes before 10:00? (a) 8:40 (b) 10:40 (c) 9:40 (d) 9:50
  21. 21.What time will it be 25 minutes after 6:05? (a) 7:30 (b) 6:20 (c) 6:30 (d) 5:30
  22. 22.What time was it 45 minutes before 4:15? (a) 4:30 (b) 3:40 (c) 2:30 (d) 3:30
  23. 23.What time will it be 30 minutes after 6:40? (a) 8:10 (b) 7:00 (c) 6:10 (d) 7:10
  24. 24.What time will it be 30 minutes after 5:00? (a) 5:20 (b) 5:30 (c) 4:30 (d) 6:30
  25. 25.A film starts at 8:50 and ends at 9:50. How long is the film? (a) 2 h (b) 1 h 10 min (c) 1 h (d) 50 min
  26. 26.What time will it be 25 minutes after 1:50? (a) 1:15 (b) 3:15 (c) 2:05 (d) 2:15
  27. 27.What time will it be 45 minutes after 9:25? (a) 11:10 (b) 9:10 (c) 10:00 (d) 10:10
  28. 28.A film starts at 1:25 and ends at 4:10. How long is the film? (a) 1 h 45 min (b) 2 h 45 min (c) 2 h 55 min (d) 3 h 45 min
  29. 29.What time will it be 15 minutes after 8:45? (a) 8:00 (b) 8:50 (c) 9:00 (d) 10:00
  30. 30.What time will it be 25 minutes after 5:20? (a) 5:35 (b) 6:45 (c) 5:45 (d) 4:45
  31. 31.A film starts at 4:15 and ends at 4:40. How long is the film? (a) 15 min (b) 35 min (c) 25 min (d) 1 h 25 min
  32. 32.What time will it be 35 minutes after 8:25? (a) 8:00 (b) 9:00 (c) 10:00 (d) 8:50
  33. 33.What time was it 45 minutes before 7:55? (a) 6:10 (b) 8:10 (c) 7:20 (d) 7:10
  34. 34.What time will it be 15 minutes after 10:35? (a) 11:50 (b) 9:50 (c) 10:40 (d) 10:50
  35. 35.A film starts at 3:35 and ends at 4:05. How long is the film? (a) 1 h 30 min (b) 20 min (c) 40 min (d) 30 min
  36. 36.What time will it be 45 minutes after 7:00? (a) 7:35 (b) 7:45 (c) 6:45 (d) 8:45
  37. 37.What time will it be 50 minutes after 9:20? (a) 10:00 (b) 9:10 (c) 10:10 (d) 11:10
  38. 38.A film starts at 2:25 and ends at 5:00. How long is the film? (a) 1 h 35 min (b) 2 h 45 min (c) 3 h 35 min (d) 2 h 35 min
  39. 39.What time will it be 35 minutes after 10:05? (a) 11:40 (b) 10:40 (c) 9:40 (d) 10:30
  40. 40.What time will it be 30 minutes after 7:10? (a) 8:40 (b) 7:40 (c) 7:30 (d) 6:40

Answer key

  1. 11:00
  2. 30 min
  3. 5:00
  4. 10:50
  5. 2 h 40 min
  6. 7:55
  7. 6:50
  8. 1:35
  9. 3:45
  10. 6:20
  11. 2 h 30 min
  12. 3 h
  13. 5:50
  14. 7:20
  15. 4:50
  16. 2:20
  17. 4:00
  18. 4:10
  19. 9:50
  20. 9:40
  21. 6:30
  22. 3:30
  23. 7:10
  24. 5:30
  25. 1 h
  26. 2:15
  27. 10:10
  28. 2 h 45 min
  29. 9:00
  30. 5:45
  31. 25 min
  32. 9:00
  33. 7:10
  34. 10:50
  35. 30 min
  36. 7:45
  37. 10:10
  38. 2 h 35 min
  39. 10:40
  40. 7:40

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