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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 651 · 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 will it be 40 minutes after 7:05? (a) 7:35 (b) 7:45 (c) 6:45 (d) 8:45
  2. 2.What time was it 55 minutes before 2:00? (a) 1:05 (b) 2:05 (c) 1:15 (d) 1:06
  3. 3.What time was it 55 minutes before 5:25? (a) 5:30 (b) 3:30 (c) 4:30 (d) 4:40
  4. 4.What time will it be 30 minutes after 9:40? (a) 10:00 (b) 11:10 (c) 10:10 (d) 9:10
  5. 5.What time will it be 25 minutes after 2:25? (a) 3:50 (b) 1:50 (c) 2:40 (d) 2:50
  6. 6.What time will it be 50 minutes after 4:40? (a) 4:30 (b) 5:30 (c) 6:30 (d) 5:20
  7. 7.A film starts at 4:50 and ends at 5:15. How long is the film? (a) 25 min (b) 1 h 25 min (c) 35 min (d) 15 min
  8. 8.What time will it be 25 minutes after 1:55? (a) 2:10 (b) 1:20 (c) 3:20 (d) 2:20
  9. 9.A film starts at 8:05 and ends at 9:40. How long is the film? (a) 1 h 35 min (b) 1 h 45 min (c) 2 h 35 min (d) 35 min
  10. 10.What time was it 35 minutes before 4:35? (a) 5:00 (b) 4:00 (c) 4:10 (d) 3:00
  11. 11.A film starts at 2:00 and ends at 4:35. How long is the film? (a) 3 h 35 min (b) 2 h 45 min (c) 1 h 35 min (d) 2 h 35 min
  12. 12.A film starts at 4:50 and ends at 7:45. How long is the film? (a) 1 h 55 min (b) 2 h 55 min (c) 3 h 5 min (d) 3 h 55 min
  13. 13.What time was it 40 minutes before 4:05? (a) 4:25 (b) 3:25 (c) 2:25 (d) 3:35
  14. 14.What time will it be 15 minutes after 7:35? (a) 6:50 (b) 7:40 (c) 7:50 (d) 8:50
  15. 15.What time will it be 50 minutes after 9:00? (a) 10:50 (b) 9:50 (c) 9:40 (d) 8:50
  16. 16.What time will it be 20 minutes after 10:45? (a) 12:05 (b) 11:05 (c) 10:05 (d) 10:55
  17. 17.A film starts at 5:55 and ends at 8:25. 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
  18. 18.A film starts at 4:45 and ends at 6:45. How long is the film? (a) 1 h (b) 3 h (c) 2 h 10 min (d) 2 h
  19. 19.What time was it 40 minutes before 11:40? (a) 10:00 (b) 12:00 (c) 11:00 (d) 11:10
  20. 20.What time will it be 50 minutes after 1:25? (a) 1:15 (b) 2:05 (c) 3:15 (d) 2:15
  21. 21.What time will it be 20 minutes after 8:35? (a) 8:45 (b) 7:55 (c) 8:55 (d) 9:55
  22. 22.What time will it be 40 minutes after 1:45? (a) 2:25 (b) 2:15 (c) 1:25 (d) 3:25
  23. 23.A film starts at 3:10 and ends at 5:00. How long is the film? (a) 50 min (b) 2 h 50 min (c) 2 h (d) 1 h 50 min
  24. 24.What time will it be 25 minutes after 2:35? (a) 2:50 (b) 4:00 (c) 2:00 (d) 3:00
  25. 25.What time will it be 20 minutes after 1:50? (a) 1:10 (b) 3:10 (c) 2:00 (d) 2:10
  26. 26.What time was it 50 minutes before 3:50? (a) 4:00 (b) 3:00 (c) 3:10 (d) 2:00
  27. 27.What time was it 25 minutes before 10:05? (a) 10:40 (b) 8:40 (c) 9:40 (d) 9:50
  28. 28.What time was it 55 minutes before 9:30? (a) 9:35 (b) 8:35 (c) 8:45 (d) 7:35
  29. 29.What time was it 30 minutes before 5:30? (a) 5:10 (b) 4:00 (c) 5:00 (d) 6:00
  30. 30.What time will it be 45 minutes after 2:00? (a) 3:45 (b) 1:45 (c) 2:35 (d) 2:45
  31. 31.What time was it 45 minutes before 2:20? (a) 1:45 (b) 2:35 (c) 1:35 (d) 1:25
  32. 32.What time was it 20 minutes before 3:55? (a) 3:35 (b) 4:35 (c) 3:45 (d) 2:35
  33. 33.A film starts at 1:15 and ends at 4:10. How long is the film? (a) 3 h 55 min (b) 3 h 5 min (c) 2 h 55 min (d) 1 h 55 min
  34. 34.What time was it 30 minutes before 5:10? (a) 4:40 (b) 4:50 (c) 5:40 (d) 3:40
  35. 35.What time will it be 25 minutes after 7:30? (a) 8:55 (b) 7:45 (c) 6:55 (d) 7:55
  36. 36.A film starts at 4:05 and ends at 6:10. How long is the film? (a) 3 h 5 min (b) 2 h 5 min (c) 1 h 5 min (d) 2 h 15 min
  37. 37.A film starts at 1:50 and ends at 3:10. How long is the film? (a) 20 min (b) 1 h 20 min (c) 1 h 30 min (d) 2 h 20 min
  38. 38.What time was it 15 minutes before 4:05? (a) 4:00 (b) 2:50 (c) 4:50 (d) 3:50
  39. 39.What time was it 15 minutes before 10:40? (a) 9:25 (b) 11:25 (c) 10:25 (d) 10:35
  40. 40.A film starts at 5:30 and ends at 6:30. How long is the film? (a) 50 min (b) 1 h (c) 1 h 10 min (d) 2 h

Answer key

  1. 7:45
  2. 1:05
  3. 4:30
  4. 10:10
  5. 2:50
  6. 5:30
  7. 25 min
  8. 2:20
  9. 1 h 35 min
  10. 4:00
  11. 2 h 35 min
  12. 2 h 55 min
  13. 3:25
  14. 7:50
  15. 9:50
  16. 11:05
  17. 2 h 30 min
  18. 2 h
  19. 11:00
  20. 2:15
  21. 8:55
  22. 2:25
  23. 1 h 50 min
  24. 3:00
  25. 2:10
  26. 3:00
  27. 9:40
  28. 8:35
  29. 5:00
  30. 2:45
  31. 1:35
  32. 3:35
  33. 2 h 55 min
  34. 4:40
  35. 7:55
  36. 2 h 5 min
  37. 1 h 20 min
  38. 3:50
  39. 10:25
  40. 1 h

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