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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 268 · 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.A film starts at 1:10 and ends at 3:50. How long is the film? (a) 2 h 50 min (b) 2 h 40 min (c) 1 h 40 min (d) 3 h 40 min
  2. 2.What time was it 25 minutes before 2:10? (a) 1:55 (b) 1:35 (c) 2:45 (d) 1:45
  3. 3.A film starts at 2:10 and ends at 2:40. How long is the film? (a) 40 min (b) 1 h 30 min (c) 30 min (d) 20 min
  4. 4.What time will it be 15 minutes after 10:15? (a) 11:30 (b) 10:20 (c) 10:30 (d) 9:30
  5. 5.What time will it be 40 minutes after 6:40? (a) 7:10 (b) 6:20 (c) 7:20 (d) 8:20
  6. 6.What time will it be 45 minutes after 2:55? (a) 2:40 (b) 3:40 (c) 4:40 (d) 3:30
  7. 7.What time was it 15 minutes before 2:45? (a) 3:30 (b) 2:40 (c) 1:30 (d) 2:30
  8. 8.What time was it 50 minutes before 10:15? (a) 9:25 (b) 9:35 (c) 8:25 (d) 10:25
  9. 9.What time was it 35 minutes before 2:00? (a) 2:25 (b) 1:35 (c) 1:25 (d) 1:15
  10. 10.A film starts at 5:10 and ends at 7:15. How long is the film? (a) 2 h 15 min (b) 1 h 5 min (c) 2 h 5 min (d) 3 h 5 min
  11. 11.What time will it be 55 minutes after 10:35? (a) 12:30 (b) 11:30 (c) 10:30 (d) 11:20
  12. 12.What time was it 20 minutes before 6:30? (a) 7:10 (b) 6:10 (c) 5:10 (d) 6:20
  13. 13.What time will it be 40 minutes after 2:20? (a) 2:50 (b) 4:00 (c) 3:00 (d) 2:00
  14. 14.A film starts at 3:35 and ends at 4:25. How long is the film? (a) 1 h 50 min (b) 1 h (c) 40 min (d) 50 min
  15. 15.What time was it 20 minutes before 8:40? (a) 8:30 (b) 9:20 (c) 8:20 (d) 7:20
  16. 16.What time will it be 50 minutes after 5:55? (a) 6:35 (b) 6:45 (c) 7:45 (d) 5:45
  17. 17.What time will it be 40 minutes after 9:30? (a) 10:00 (b) 10:10 (c) 11:10 (d) 9:10
  18. 18.What time will it be 35 minutes after 6:45? (a) 8:20 (b) 7:10 (c) 6:20 (d) 7:20
  19. 19.What time was it 30 minutes before 10:35? (a) 9:05 (b) 10:15 (c) 11:05 (d) 10:05
  20. 20.What time will it be 25 minutes after 1:55? (a) 3:20 (b) 2:10 (c) 1:20 (d) 2:20
  21. 21.What time was it 55 minutes before 3:15? (a) 2:20 (b) 2:30 (c) 1:20 (d) 3:20
  22. 22.What time will it be 40 minutes after 8:00? (a) 7:40 (b) 9:40 (c) 8:40 (d) 8:30
  23. 23.What time was it 20 minutes before 3:40? (a) 2:20 (b) 3:30 (c) 3:20 (d) 4:20
  24. 24.A film starts at 2:20 and ends at 4:10. How long is the film? (a) 2 h (b) 2 h 50 min (c) 50 min (d) 1 h 50 min
  25. 25.What time will it be 30 minutes after 1:35? (a) 2:05 (b) 1:55 (c) 3:05 (d) 1:05
  26. 26.What time will it be 25 minutes after 4:15? (a) 4:40 (b) 3:40 (c) 5:40 (d) 4:30
  27. 27.What time will it be 20 minutes after 10:40? (a) 11:00 (b) 10:00 (c) 12:00 (d) 10:50
  28. 28.What time was it 55 minutes before 2:10? (a) 1:15 (b) 1:05 (c) 1:25 (d) 2:15
  29. 29.What time was it 25 minutes before 3:10? (a) 3:45 (b) 2:45 (c) 2:55 (d) 1:45
  30. 30.What time was it 25 minutes before 8:50? (a) 7:25 (b) 8:35 (c) 8:25 (d) 9:25
  31. 31.A film starts at 4:45 and ends at 5:50. How long is the film? (a) 2 h 5 min (b) 5 min (c) 1 h 5 min (d) 1 h 15 min
  32. 32.A film starts at 2:15 and ends at 2:40. How long is the film? (a) 35 min (b) 25 min (c) 1 h 25 min (d) 15 min
  33. 33.What time will it be 45 minutes after 5:05? (a) 4:50 (b) 5:50 (c) 6:50 (d) 5:40
  34. 34.What time was it 20 minutes before 2:35? (a) 3:15 (b) 1:15 (c) 2:25 (d) 2:15
  35. 35.What time was it 25 minutes before 2:30? (a) 2:05 (b) 2:15 (c) 1:05 (d) 3:05
  36. 36.What time will it be 55 minutes after 5:10? (a) 5:05 (b) 5:55 (c) 6:05 (d) 7:05
  37. 37.What time will it be 40 minutes after 5:10? (a) 4:50 (b) 5:40 (c) 6:50 (d) 5:50
  38. 38.What time will it be 50 minutes after 10:10? (a) 10:00 (b) 12:00 (c) 11:00 (d) 10:50
  39. 39.What time will it be 55 minutes after 3:10? (a) 5:05 (b) 3:05 (c) 4:05 (d) 3:55
  40. 40.What time will it be 40 minutes after 4:15? (a) 3:55 (b) 4:55 (c) 5:55 (d) 4:45

Answer key

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

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