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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 575 · 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 4:35 and ends at 5:00. How long is the film? (a) 1 h 25 min (b) 15 min (c) 25 min (d) 35 min
  2. 2.What time will it be 15 minutes after 7:10? (a) 7:15 (b) 8:25 (c) 6:25 (d) 7:25
  3. 3.What time was it 30 minutes before 3:55? (a) 2:25 (b) 4:25 (c) 3:25 (d) 3:35
  4. 4.What time was it 30 minutes before 3:50? (a) 3:30 (b) 4:20 (c) 3:20 (d) 2:20
  5. 5.A film starts at 5:15 and ends at 5:40. How long is the film? (a) 25 min (b) 15 min (c) 1 h 25 min (d) 35 min
  6. 6.A film starts at 3:40 and ends at 5:15. How long is the film? (a) 2 h 35 min (b) 35 min (c) 1 h 35 min (d) 1 h 45 min
  7. 7.What time was it 35 minutes before 2:10? (a) 1:35 (b) 1:25 (c) 2:35 (d) 1:45
  8. 8.What time was it 30 minutes before 3:30? (a) 3:00 (b) 2:00 (c) 3:10 (d) 4:00
  9. 9.What time will it be 30 minutes after 2:30? (a) 2:50 (b) 3:00 (c) 2:00 (d) 4:00
  10. 10.What time will it be 40 minutes after 3:00? (a) 4:40 (b) 2:40 (c) 3:40 (d) 3:30
  11. 11.A film starts at 2:50 and ends at 3:55. How long is the film? (a) 2 h 5 min (b) 1 h 5 min (c) 5 min (d) 1 h 15 min
  12. 12.A film starts at 3:00 and ends at 4:35. How long is the film? (a) 2 h 35 min (b) 35 min (c) 1 h 35 min (d) 1 h 45 min
  13. 13.A film starts at 1:30 and ends at 1:50. How long is the film? (a) 30 min (b) 1 h 20 min (c) 20 min (d) 10 min
  14. 14.What time was it 35 minutes before 9:25? (a) 9:00 (b) 8:50 (c) 9:50 (d) 7:50
  15. 15.What time was it 35 minutes before 2:30? (a) 2:05 (b) 1:45 (c) 1:55 (d) 2:55
  16. 16.What time will it be 30 minutes after 1:00? (a) 1:40 (b) 1:20 (c) 2:30 (d) 1:30
  17. 17.What time was it 45 minutes before 10:35? (a) 8:50 (b) 10:00 (c) 9:50 (d) 10:50
  18. 18.What time was it 15 minutes before 10:55? (a) 11:40 (b) 10:50 (c) 10:40 (d) 9:40
  19. 19.What time will it be 20 minutes after 2:00? (a) 2:20 (b) 1:20 (c) 2:10 (d) 3:20
  20. 20.What time will it be 55 minutes after 10:15? (a) 10:10 (b) 11:10 (c) 12:10 (d) 11:00
  21. 21.A film starts at 7:50 and ends at 9:25. How long is the film? (a) 1 h 35 min (b) 2 h 35 min (c) 1 h 45 min (d) 35 min
  22. 22.A film starts at 2:00 and ends at 3:45. How long is the film? (a) 2 h 45 min (b) 1 h 55 min (c) 45 min (d) 1 h 45 min
  23. 23.A film starts at 7:45 and ends at 10:40. How long is the film? (a) 3 h 55 min (b) 1 h 55 min (c) 2 h 55 min (d) 3 h 5 min
  24. 24.A film starts at 4:05 and ends at 6:35. How long is the film? (a) 2 h 30 min (b) 3 h 30 min (c) 1 h 30 min (d) 2 h 40 min
  25. 25.A film starts at 5:15 and ends at 5:45. How long is the film? (a) 20 min (b) 30 min (c) 1 h 30 min (d) 40 min
  26. 26.What time was it 15 minutes before 9:25? (a) 8:10 (b) 9:10 (c) 10:10 (d) 9:20
  27. 27.What time was it 55 minutes before 4:50? (a) 2:55 (b) 4:05 (c) 3:55 (d) 4:55
  28. 28.A film starts at 8:25 and ends at 9:00. How long is the film? (a) 45 min (b) 25 min (c) 35 min (d) 1 h 35 min
  29. 29.What time was it 55 minutes before 11:10? (a) 10:15 (b) 10:25 (c) 9:15 (d) 11:15
  30. 30.What time will it be 50 minutes after 4:15? (a) 4:55 (b) 6:05 (c) 4:05 (d) 5:05
  31. 31.A film starts at 8:50 and ends at 11:50. How long is the film? (a) 3 h 10 min (b) 3 h (c) 4 h (d) 2 h
  32. 32.What time was it 25 minutes before 2:35? (a) 3:10 (b) 2:10 (c) 2:20 (d) 1:10
  33. 33.What time will it be 15 minutes after 4:25? (a) 5:40 (b) 4:40 (c) 4:30 (d) 3:40
  34. 34.What time will it be 15 minutes after 1:50? (a) 2:05 (b) 3:05 (c) 1:05 (d) 1:55
  35. 35.What time was it 30 minutes before 6:05? (a) 5:35 (b) 6:35 (c) 5:45 (d) 4:35
  36. 36.What time will it be 30 minutes after 6:35? (a) 6:05 (b) 6:55 (c) 8:05 (d) 7:05
  37. 37.What time will it be 50 minutes after 6:20? (a) 7:10 (b) 6:10 (c) 7:00 (d) 8:10
  38. 38.What time will it be 35 minutes after 4:55? (a) 5:30 (b) 5:20 (c) 6:30 (d) 4:30
  39. 39.What time was it 40 minutes before 6:55? (a) 5:15 (b) 6:15 (c) 6:25 (d) 7:15
  40. 40.A film starts at 6:35 and ends at 7:00. How long is the film? (a) 1 h 25 min (b) 15 min (c) 25 min (d) 35 min

Answer key

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

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