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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 231 · 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 3:45 and ends at 5:45. How long is the film? (a) 1 h (b) 2 h 10 min (c) 3 h (d) 2 h
  2. 2.What time will it be 20 minutes after 9:10? (a) 8:30 (b) 9:30 (c) 10:30 (d) 9:20
  3. 3.What time was it 40 minutes before 6:20? (a) 4:40 (b) 5:50 (c) 6:40 (d) 5:40
  4. 4.What time was it 55 minutes before 4:25? (a) 4:30 (b) 3:30 (c) 2:30 (d) 3:40
  5. 5.What time was it 15 minutes before 7:50? (a) 6:35 (b) 8:35 (c) 7:35 (d) 7:45
  6. 6.What time was it 20 minutes before 7:40? (a) 7:30 (b) 6:20 (c) 7:20 (d) 8:20
  7. 7.What time was it 25 minutes before 8:40? (a) 9:15 (b) 7:15 (c) 8:15 (d) 8:25
  8. 8.What time will it be 40 minutes after 7:40? (a) 9:20 (b) 8:20 (c) 8:10 (d) 7:20
  9. 9.A film starts at 6:55 and ends at 7:20. How long is the film? (a) 25 min (b) 35 min (c) 1 h 25 min (d) 15 min
  10. 10.What time will it be 30 minutes after 5:40? (a) 5:10 (b) 6:00 (c) 7:10 (d) 6:10
  11. 11.What time will it be 55 minutes after 10:30? (a) 11:15 (b) 12:25 (c) 11:25 (d) 10:25
  12. 12.What time will it be 55 minutes after 7:40? (a) 9:35 (b) 8:35 (c) 8:25 (d) 7:35
  13. 13.A film starts at 6:15 and ends at 7:25. How long is the film? (a) 10 min (b) 1 h 10 min (c) 2 h 10 min (d) 1 h 20 min
  14. 14.What time will it be 40 minutes after 3:55? (a) 4:25 (b) 4:35 (c) 5:35 (d) 3:35
  15. 15.What time was it 35 minutes before 5:00? (a) 4:35 (b) 5:25 (c) 3:25 (d) 4:25
  16. 16.What time was it 30 minutes before 11:15? (a) 9:45 (b) 11:45 (c) 10:45 (d) 10:55
  17. 17.What time will it be 50 minutes after 10:50? (a) 11:40 (b) 10:40 (c) 12:40 (d) 11:30
  18. 18.What time was it 45 minutes before 10:35? (a) 10:50 (b) 8:50 (c) 9:50 (d) 10:00
  19. 19.What time will it be 15 minutes after 6:45? (a) 8:00 (b) 7:00 (c) 6:00 (d) 6:50
  20. 20.A film starts at 1:30 and ends at 3:00. How long is the film? (a) 30 min (b) 1 h 30 min (c) 2 h 30 min (d) 1 h 40 min
  21. 21.What time was it 30 minutes before 4:55? (a) 4:25 (b) 5:25 (c) 3:25 (d) 4:35
  22. 22.What time will it be 20 minutes after 1:45? (a) 1:05 (b) 3:05 (c) 2:05 (d) 1:55
  23. 23.What time was it 15 minutes before 4:40? (a) 4:25 (b) 4:35 (c) 3:25 (d) 5:25
  24. 24.A film starts at 7:55 and ends at 8:45. How long is the film? (a) 1 h 50 min (b) 40 min (c) 1 h (d) 50 min
  25. 25.What time will it be 55 minutes after 1:10? (a) 1:05 (b) 3:05 (c) 2:05 (d) 1:55
  26. 26.A film starts at 2:40 and ends at 5:10. How long is the film? (a) 3 h 30 min (b) 2 h 40 min (c) 1 h 30 min (d) 2 h 30 min
  27. 27.A film starts at 6:10 and ends at 7:20. 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 35 minutes before 5:35? (a) 5:00 (b) 4:00 (c) 6:00 (d) 5:10
  29. 29.A film starts at 2:55 and ends at 4:00. How long is the film? (a) 5 min (b) 1 h 5 min (c) 1 h 15 min (d) 2 h 5 min
  30. 30.What time was it 40 minutes before 7:15? (a) 5:35 (b) 6:45 (c) 7:35 (d) 6:35
  31. 31.A film starts at 1:05 and ends at 2:20. How long is the film? (a) 1 h 15 min (b) 2 h 15 min (c) 1 h 25 min (d) 15 min
  32. 32.What time will it be 40 minutes after 1:05? (a) 1:45 (b) 1:35 (c) 2:45 (d) 1:55
  33. 33.A film starts at 1:40 and ends at 2:45. How long is the film? (a) 2 h 5 min (b) 1 h 15 min (c) 5 min (d) 1 h 5 min
  34. 34.A film starts at 1:05 and ends at 2:50. How long is the film? (a) 1 h 45 min (b) 45 min (c) 2 h 45 min (d) 1 h 55 min
  35. 35.A film starts at 7:25 and ends at 9:25. How long is the film? (a) 2 h 10 min (b) 3 h (c) 2 h (d) 1 h
  36. 36.A film starts at 5:00 and ends at 6:50. How long is the film? (a) 2 h (b) 1 h 50 min (c) 50 min (d) 2 h 50 min
  37. 37.What time will it be 40 minutes after 8:55? (a) 9:25 (b) 8:35 (c) 10:35 (d) 9:35
  38. 38.What time was it 30 minutes before 5:55? (a) 4:25 (b) 5:25 (c) 5:35 (d) 6:25
  39. 39.What time was it 50 minutes before 4:30? (a) 3:40 (b) 2:40 (c) 4:40 (d) 3:50
  40. 40.What time will it be 15 minutes after 5:10? (a) 5:25 (b) 4:25 (c) 5:15 (d) 6:25

Answer key

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

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