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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 149 · 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 50 minutes after 1:45? (a) 3:35 (b) 1:35 (c) 2:25 (d) 2:35
  2. 2.What time will it be 15 minutes after 1:40? (a) 1:45 (b) 2:05 (c) 2:55 (d) 1:55
  3. 3.What time will it be 40 minutes after 10:30? (a) 10:10 (b) 12:10 (c) 11:00 (d) 11:10
  4. 4.What time will it be 25 minutes after 5:15? (a) 6:40 (b) 5:40 (c) 5:30 (d) 4:40
  5. 5.What time was it 15 minutes before 3:15? (a) 3:10 (b) 3:00 (c) 2:00 (d) 4:00
  6. 6.What time was it 25 minutes before 8:05? (a) 7:40 (b) 6:40 (c) 7:50 (d) 8:40
  7. 7.A film starts at 5:40 and ends at 8:30. How long is the film? (a) 1 h 50 min (b) 3 h (c) 2 h 50 min (d) 3 h 50 min
  8. 8.What time will it be 40 minutes after 8:45? (a) 10:25 (b) 8:25 (c) 9:25 (d) 9:15
  9. 9.What time will it be 20 minutes after 2:25? (a) 2:35 (b) 3:45 (c) 2:45 (d) 1:45
  10. 10.What time will it be 45 minutes after 5:10? (a) 5:45 (b) 5:55 (c) 6:55 (d) 4:55
  11. 11.A film starts at 4:40 and ends at 6:25. How long is the film? (a) 2 h 45 min (b) 1 h 55 min (c) 45 min (d) 1 h 45 min
  12. 12.What time was it 50 minutes before 3:00? (a) 2:20 (b) 1:10 (c) 2:10 (d) 3:10
  13. 13.What time will it be 30 minutes after 9:10? (a) 9:30 (b) 9:40 (c) 10:40 (d) 8:40
  14. 14.What time will it be 40 minutes after 3:25? (a) 3:55 (b) 5:05 (c) 4:05 (d) 3:05
  15. 15.A film starts at 5:45 and ends at 6:40. How long is the film? (a) 1 h 5 min (b) 55 min (c) 45 min (d) 1 h 55 min
  16. 16.What time will it be 40 minutes after 8:35? (a) 9:05 (b) 9:15 (c) 8:15 (d) 10:15
  17. 17.A film starts at 4:10 and ends at 6:55. How long is the film? (a) 1 h 45 min (b) 3 h 45 min (c) 2 h 45 min (d) 2 h 55 min
  18. 18.What time will it be 25 minutes after 6:35? (a) 6:50 (b) 7:00 (c) 6:00 (d) 8:00
  19. 19.A film starts at 6:50 and ends at 8:35. How long is the film? (a) 45 min (b) 1 h 55 min (c) 1 h 45 min (d) 2 h 45 min
  20. 20.What time was it 55 minutes before 8:45? (a) 8:00 (b) 6:50 (c) 7:50 (d) 8:50
  21. 21.A film starts at 3:30 and ends at 5:25. How long is the film? (a) 1 h 55 min (b) 2 h 55 min (c) 2 h 5 min (d) 55 min
  22. 22.A film starts at 1:15 and ends at 3:45. How long is the film? (a) 3 h 30 min (b) 1 h 30 min (c) 2 h 40 min (d) 2 h 30 min
  23. 23.What time was it 15 minutes before 10:55? (a) 11:40 (b) 10:40 (c) 10:50 (d) 9:40
  24. 24.What time will it be 50 minutes after 4:45? (a) 4:35 (b) 6:35 (c) 5:35 (d) 5:25
  25. 25.What time was it 15 minutes before 11:30? (a) 11:15 (b) 10:15 (c) 11:25 (d) 12:15
  26. 26.What time will it be 20 minutes after 9:50? (a) 11:10 (b) 10:00 (c) 9:10 (d) 10:10
  27. 27.What time was it 50 minutes before 7:15? (a) 7:25 (b) 5:25 (c) 6:35 (d) 6:25
  28. 28.What time will it be 55 minutes after 7:50? (a) 8:35 (b) 9:45 (c) 7:45 (d) 8:45
  29. 29.What time will it be 20 minutes after 10:45? (a) 12:05 (b) 10:55 (c) 10:05 (d) 11:05
  30. 30.What time will it be 15 minutes after 1:15? (a) 2:30 (b) 1:30 (c) 1:20 (d) 1:40
  31. 31.What time will it be 20 minutes after 8:35? (a) 9:55 (b) 8:55 (c) 7:55 (d) 8:45
  32. 32.What time was it 15 minutes before 7:45? (a) 8:30 (b) 7:40 (c) 7:30 (d) 6:30
  33. 33.A film starts at 8:20 and ends at 10:30. How long is the film? (a) 2 h 20 min (b) 1 h 10 min (c) 3 h 10 min (d) 2 h 10 min
  34. 34.A film starts at 1:15 and ends at 3:00. How long is the film? (a) 1 h 45 min (b) 2 h 45 min (c) 45 min (d) 1 h 55 min
  35. 35.What time will it be 50 minutes after 10:10? (a) 12:00 (b) 10:50 (c) 11:00 (d) 10:00
  36. 36.A film starts at 4:05 and ends at 7:00. How long is the film? (a) 3 h 5 min (b) 2 h 55 min (c) 1 h 55 min (d) 3 h 55 min
  37. 37.A film starts at 4:35 and ends at 5:25. How long is the film? (a) 1 h (b) 40 min (c) 50 min (d) 1 h 50 min
  38. 38.What time was it 45 minutes before 4:05? (a) 2:20 (b) 4:20 (c) 3:20 (d) 3:30
  39. 39.What time was it 55 minutes before 3:10? (a) 2:15 (b) 1:15 (c) 3:15 (d) 2:25
  40. 40.A film starts at 7:20 and ends at 9:45. How long is the film? (a) 3 h 25 min (b) 2 h 25 min (c) 1 h 25 min (d) 2 h 35 min

Answer key

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

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