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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 629 · 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 4:45? (a) 3:30 (b) 4:30 (c) 4:40 (d) 5:30
  2. 2.What time was it 55 minutes before 2:15? (a) 1:10 (b) 1:20 (c) 1:30 (d) 2:20
  3. 3.What time will it be 55 minutes after 3:40? (a) 4:25 (b) 5:35 (c) 3:35 (d) 4:35
  4. 4.What time was it 30 minutes before 4:20? (a) 2:50 (b) 4:50 (c) 3:50 (d) 4:00
  5. 5.What time was it 20 minutes before 4:25? (a) 5:05 (b) 4:05 (c) 4:15 (d) 3:05
  6. 6.What time will it be 25 minutes after 6:40? (a) 6:05 (b) 7:05 (c) 8:05 (d) 6:55
  7. 7.What time was it 45 minutes before 5:00? (a) 5:15 (b) 4:25 (c) 4:15 (d) 3:15
  8. 8.A film starts at 6:30 and ends at 8:55. 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
  9. 9.What time will it be 50 minutes after 1:20? (a) 2:00 (b) 3:10 (c) 1:10 (d) 2:10
  10. 10.A film starts at 8:00 and ends at 8:20. How long is the film? (a) 30 min (b) 1 h 20 min (c) 10 min (d) 20 min
  11. 11.What time was it 35 minutes before 3:10? (a) 1:35 (b) 2:35 (c) 2:45 (d) 3:35
  12. 12.What time was it 20 minutes before 5:00? (a) 4:40 (b) 4:50 (c) 5:40 (d) 3:40
  13. 13.A film starts at 3:00 and ends at 3:45. How long is the film? (a) 55 min (b) 35 min (c) 1 h 45 min (d) 45 min
  14. 14.What time will it be 15 minutes after 1:25? (a) 1:40 (b) 1:30 (c) 1:50 (d) 2:40
  15. 15.A film starts at 8:35 and ends at 10:40. How long is the film? (a) 1 h 5 min (b) 3 h 5 min (c) 2 h 5 min (d) 2 h 15 min
  16. 16.What time was it 15 minutes before 9:00? (a) 9:45 (b) 7:45 (c) 8:55 (d) 8:45
  17. 17.What time was it 45 minutes before 2:00? (a) 1:15 (b) 1:05 (c) 1:25 (d) 2:15
  18. 18.A film starts at 1:45 and ends at 4:15. How long is the film? (a) 3 h 30 min (b) 2 h 30 min (c) 1 h 30 min (d) 2 h 40 min
  19. 19.What time was it 15 minutes before 3:00? (a) 2:45 (b) 2:55 (c) 1:45 (d) 3:45
  20. 20.What time will it be 55 minutes after 6:30? (a) 6:25 (b) 8:25 (c) 7:25 (d) 7:15
  21. 21.A film starts at 4:55 and ends at 6:10. How long is the film? (a) 1 h 25 min (b) 15 min (c) 1 h 15 min (d) 2 h 15 min
  22. 22.What time will it be 30 minutes after 7:50? (a) 9:20 (b) 7:20 (c) 8:10 (d) 8:20
  23. 23.What time was it 55 minutes before 9:40? (a) 8:45 (b) 9:45 (c) 7:45 (d) 8:55
  24. 24.A film starts at 1:15 and ends at 3:15. How long is the film? (a) 3 h (b) 2 h 10 min (c) 2 h (d) 1 h
  25. 25.What time will it be 55 minutes after 6:00? (a) 5:55 (b) 7:55 (c) 6:45 (d) 6:55
  26. 26.What time will it be 15 minutes after 9:40? (a) 9:55 (b) 9:45 (c) 10:55 (d) 8:55
  27. 27.A film starts at 4:05 and ends at 4:55. How long is the film? (a) 1 h 50 min (b) 50 min (c) 40 min (d) 1 h
  28. 28.What time will it be 20 minutes after 3:15? (a) 2:35 (b) 4:35 (c) 3:35 (d) 3:25
  29. 29.A film starts at 8:00 and ends at 11:00. How long is the film? (a) 4 h (b) 3 h (c) 3 h 10 min (d) 2 h
  30. 30.What time will it be 35 minutes after 9:25? (a) 9:00 (b) 9:50 (c) 10:00 (d) 11:00
  31. 31.What time will it be 25 minutes after 4:00? (a) 4:15 (b) 5:25 (c) 4:25 (d) 3:25
  32. 32.What time will it be 20 minutes after 10:05? (a) 11:25 (b) 9:25 (c) 10:15 (d) 10:25
  33. 33.What time will it be 55 minutes after 10:35? (a) 10:30 (b) 12:30 (c) 11:30 (d) 11:20
  34. 34.What time will it be 35 minutes after 7:30? (a) 8:05 (b) 7:55 (c) 9:05 (d) 7:05
  35. 35.What time will it be 15 minutes after 4:50? (a) 4:05 (b) 5:05 (c) 6:05 (d) 4:55
  36. 36.What time was it 50 minutes before 4:20? (a) 4:30 (b) 3:30 (c) 2:30 (d) 3:40
  37. 37.What time was it 35 minutes before 2:20? (a) 1:35 (b) 2:45 (c) 1:55 (d) 1:45
  38. 38.A film starts at 6:25 and ends at 7:25. How long is the film? (a) 1 h 10 min (b) 1 h (c) 50 min (d) 2 h
  39. 39.A film starts at 6:15 and ends at 8:20. How long is the film? (a) 1 h 5 min (b) 2 h 5 min (c) 2 h 15 min (d) 3 h 5 min
  40. 40.What time was it 30 minutes before 10:25? (a) 8:55 (b) 9:55 (c) 10:05 (d) 10:55

Answer key

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

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