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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 185 · 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 45 minutes after 1:10? (a) 1:45 (b) 1:55 (c) 2:05 (d) 2:55
  2. 2.What time was it 40 minutes before 11:25? (a) 10:45 (b) 11:45 (c) 9:45 (d) 10:55
  3. 3.What time will it be 30 minutes after 3:25? (a) 2:55 (b) 3:55 (c) 4:55 (d) 3:45
  4. 4.A film starts at 7:50 and ends at 8:55. How long is the film? (a) 1 h 5 min (b) 5 min (c) 2 h 5 min (d) 1 h 15 min
  5. 5.What time will it be 25 minutes after 3:55? (a) 4:20 (b) 4:10 (c) 5:20 (d) 3:20
  6. 6.What time will it be 30 minutes after 6:20? (a) 7:50 (b) 6:50 (c) 5:50 (d) 6:40
  7. 7.A film starts at 1:15 and ends at 3:30. How long is the film? (a) 2 h 25 min (b) 1 h 15 min (c) 3 h 15 min (d) 2 h 15 min
  8. 8.What time was it 35 minutes before 8:50? (a) 8:15 (b) 7:15 (c) 9:15 (d) 8:25
  9. 9.What time was it 40 minutes before 2:25? (a) 1:35 (b) 2:45 (c) 1:55 (d) 1:45
  10. 10.A film starts at 5:05 and ends at 5:30. How long is the film? (a) 35 min (b) 15 min (c) 25 min (d) 1 h 25 min
  11. 11.What time will it be 50 minutes after 7:25? (a) 7:15 (b) 8:15 (c) 9:15 (d) 8:05
  12. 12.What time will it be 45 minutes after 1:30? (a) 3:15 (b) 2:05 (c) 1:15 (d) 2:15
  13. 13.What time was it 15 minutes before 8:05? (a) 7:50 (b) 6:50 (c) 8:50 (d) 8:00
  14. 14.What time was it 20 minutes before 8:35? (a) 8:25 (b) 9:15 (c) 8:15 (d) 7:15
  15. 15.What time was it 45 minutes before 11:45? (a) 12:00 (b) 11:00 (c) 10:00 (d) 11:10
  16. 16.What time will it be 30 minutes after 4:50? (a) 5:20 (b) 5:10 (c) 6:20 (d) 4:20
  17. 17.What time will it be 45 minutes after 4:55? (a) 4:40 (b) 6:40 (c) 5:40 (d) 5:30
  18. 18.What time will it be 20 minutes after 10:50? (a) 12:10 (b) 11:00 (c) 10:10 (d) 11:10
  19. 19.A film starts at 1:50 and ends at 4:45. How long is the film? (a) 3 h 55 min (b) 2 h 55 min (c) 1 h 55 min (d) 3 h 5 min
  20. 20.What time was it 15 minutes before 7:40? (a) 7:35 (b) 6:25 (c) 8:25 (d) 7:25
  21. 21.A film starts at 1:05 and ends at 1:30. How long is the film? (a) 15 min (b) 25 min (c) 1 h 25 min (d) 35 min
  22. 22.What time was it 55 minutes before 10:25? (a) 8:30 (b) 9:40 (c) 9:30 (d) 10:30
  23. 23.What time will it be 15 minutes after 6:55? (a) 8:10 (b) 7:00 (c) 6:10 (d) 7:10
  24. 24.What time will it be 20 minutes after 1:55? (a) 1:15 (b) 3:15 (c) 2:05 (d) 2:15
  25. 25.What time was it 20 minutes before 2:10? (a) 2:50 (b) 2:00 (c) 1:50 (d) 1:40
  26. 26.What time was it 25 minutes before 3:15? (a) 3:50 (b) 2:50 (c) 1:50 (d) 3:00
  27. 27.A film starts at 2:35 and ends at 3:45. How long is the film? (a) 1 h 10 min (b) 10 min (c) 2 h 10 min (d) 1 h 20 min
  28. 28.What time was it 55 minutes before 3:55? (a) 4:00 (b) 3:10 (c) 2:00 (d) 3:00
  29. 29.What time will it be 35 minutes after 2:00? (a) 1:35 (b) 2:25 (c) 3:35 (d) 2:35
  30. 30.What time was it 50 minutes before 11:15? (a) 9:25 (b) 10:25 (c) 10:35 (d) 11:25
  31. 31.What time will it be 50 minutes after 3:15? (a) 3:55 (b) 3:05 (c) 5:05 (d) 4:05
  32. 32.What time was it 55 minutes before 3:20? (a) 1:25 (b) 3:25 (c) 2:35 (d) 2:25
  33. 33.What time will it be 50 minutes after 9:40? (a) 9:30 (b) 10:20 (c) 11:30 (d) 10:30
  34. 34.What time will it be 55 minutes after 8:45? (a) 8:40 (b) 9:30 (c) 9:40 (d) 10:40
  35. 35.A film starts at 8:15 and ends at 10:25. How long is the film? (a) 2 h 20 min (b) 2 h 10 min (c) 1 h 10 min (d) 3 h 10 min
  36. 36.What time will it be 25 minutes after 8:30? (a) 7:55 (b) 8:45 (c) 8:55 (d) 9:55
  37. 37.What time was it 30 minutes before 7:10? (a) 5:40 (b) 7:40 (c) 6:50 (d) 6:40
  38. 38.What time will it be 45 minutes after 1:15? (a) 3:00 (b) 1:00 (c) 1:50 (d) 2:00
  39. 39.What time will it be 15 minutes after 6:25? (a) 7:40 (b) 6:40 (c) 5:40 (d) 6:30
  40. 40.A film starts at 3:30 and ends at 5:40. 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

Answer key

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

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