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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 43 · 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 55 minutes after 9:20? (a) 9:15 (b) 11:15 (c) 10:05 (d) 10:15
  2. 2.What time will it be 55 minutes after 7:50? (a) 9:45 (b) 8:35 (c) 7:45 (d) 8:45
  3. 3.What time was it 50 minutes before 9:15? (a) 8:35 (b) 8:25 (c) 7:25 (d) 9:25
  4. 4.A film starts at 2:25 and ends at 3:20. How long is the film? (a) 1 h 5 min (b) 1 h 55 min (c) 55 min (d) 45 min
  5. 5.What time will it be 40 minutes after 2:30? (a) 3:00 (b) 4:10 (c) 3:10 (d) 2:10
  6. 6.What time was it 50 minutes before 3:45? (a) 3:55 (b) 3:05 (c) 1:55 (d) 2:55
  7. 7.What time will it be 20 minutes after 6:30? (a) 5:50 (b) 7:50 (c) 6:40 (d) 6:50
  8. 8.What time will it be 45 minutes after 1:25? (a) 2:10 (b) 2:00 (c) 1:10 (d) 3:10
  9. 9.What time will it be 45 minutes after 4:50? (a) 6:35 (b) 4:35 (c) 5:35 (d) 5:25
  10. 10.What time was it 35 minutes before 9:45? (a) 9:10 (b) 10:10 (c) 9:20 (d) 8:10
  11. 11.A film starts at 8:40 and ends at 11:20. How long is the film? (a) 3 h 40 min (b) 2 h 40 min (c) 2 h 50 min (d) 1 h 40 min
  12. 12.What time will it be 15 minutes after 2:40? (a) 3:55 (b) 1:55 (c) 2:45 (d) 2:55
  13. 13.What time was it 35 minutes before 5:15? (a) 5:40 (b) 4:50 (c) 3:40 (d) 4:40
  14. 14.A film starts at 4:15 and ends at 7:15. How long is the film? (a) 3 h 10 min (b) 2 h (c) 4 h (d) 3 h
  15. 15.What time will it be 55 minutes after 10:45? (a) 11:30 (b) 11:40 (c) 10:40 (d) 12:40
  16. 16.A film starts at 2:05 and ends at 2:25. How long is the film? (a) 20 min (b) 10 min (c) 1 h 20 min (d) 30 min
  17. 17.What time was it 20 minutes before 10:20? (a) 11:00 (b) 9:00 (c) 10:10 (d) 10:00
  18. 18.A film starts at 6:05 and ends at 6:35. How long is the film? (a) 1 h 30 min (b) 20 min (c) 30 min (d) 40 min
  19. 19.A film starts at 3:00 and ends at 4:25. How long is the film? (a) 25 min (b) 1 h 35 min (c) 1 h 25 min (d) 2 h 25 min
  20. 20.What time will it be 50 minutes after 3:10? (a) 4:00 (b) 3:50 (c) 5:00 (d) 3:00
  21. 21.What time will it be 50 minutes after 8:05? (a) 9:55 (b) 8:55 (c) 7:55 (d) 8:45
  22. 22.What time will it be 50 minutes after 3:45? (a) 4:25 (b) 4:35 (c) 3:35 (d) 5:35
  23. 23.What time will it be 25 minutes after 3:15? (a) 4:40 (b) 3:30 (c) 3:40 (d) 2:40
  24. 24.What time was it 20 minutes before 11:50? (a) 10:30 (b) 12:30 (c) 11:40 (d) 11:30
  25. 25.What time will it be 25 minutes after 8:05? (a) 7:30 (b) 9:30 (c) 8:30 (d) 8:20
  26. 26.What time was it 45 minutes before 4:15? (a) 4:30 (b) 3:30 (c) 2:30 (d) 3:40
  27. 27.What time will it be 30 minutes after 6:00? (a) 6:30 (b) 6:20 (c) 5:30 (d) 7:30
  28. 28.What time will it be 20 minutes after 7:05? (a) 6:25 (b) 7:15 (c) 8:25 (d) 7:25
  29. 29.What time was it 50 minutes before 5:05? (a) 4:15 (b) 5:15 (c) 4:25 (d) 3:15
  30. 30.What time will it be 25 minutes after 6:15? (a) 6:40 (b) 7:40 (c) 5:40 (d) 6:30
  31. 31.What time was it 25 minutes before 6:40? (a) 5:15 (b) 6:25 (c) 7:15 (d) 6:15
  32. 32.A film starts at 6:55 and ends at 7:20. How long is the film? (a) 15 min (b) 25 min (c) 1 h 25 min (d) 35 min
  33. 33.What time will it be 15 minutes after 10:40? (a) 10:45 (b) 10:55 (c) 9:55 (d) 11:55
  34. 34.What time will it be 30 minutes after 9:25? (a) 9:45 (b) 10:55 (c) 9:55 (d) 8:55
  35. 35.What time was it 15 minutes before 9:20? (a) 8:05 (b) 10:05 (c) 9:05 (d) 9:15
  36. 36.What time was it 45 minutes before 3:10? (a) 2:35 (b) 2:25 (c) 3:25 (d) 1:25
  37. 37.What time will it be 35 minutes after 3:25? (a) 3:50 (b) 4:00 (c) 3:00 (d) 5:00
  38. 38.What time will it be 25 minutes after 1:00? (a) 1:25 (b) 1:35 (c) 1:15 (d) 2:25
  39. 39.A film starts at 5:10 and ends at 7:55. How long is the film? (a) 2 h 55 min (b) 2 h 45 min (c) 3 h 45 min (d) 1 h 45 min
  40. 40.A film starts at 5:00 and ends at 7:50. How long is the film? (a) 3 h 50 min (b) 1 h 50 min (c) 3 h (d) 2 h 50 min

Answer key

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

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