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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 645 · 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 45 minutes after 8:30? (a) 10:15 (b) 9:15 (c) 8:15 (d) 9:05
  2. 2.A film starts at 8:35 and ends at 9:30. How long is the film? (a) 45 min (b) 1 h 55 min (c) 55 min (d) 1 h 5 min
  3. 3.A film starts at 2:00 and ends at 3:00. How long is the film? (a) 2 h (b) 1 h 10 min (c) 1 h (d) 50 min
  4. 4.What time will it be 55 minutes after 2:20? (a) 3:05 (b) 4:15 (c) 3:15 (d) 2:15
  5. 5.What time was it 50 minutes before 10:20? (a) 8:30 (b) 9:40 (c) 9:30 (d) 10:30
  6. 6.What time was it 55 minutes before 2:40? (a) 1:35 (b) 2:45 (c) 1:55 (d) 1:45
  7. 7.A film starts at 1:15 and ends at 3:25. How long is the film? (a) 3 h 10 min (b) 1 h 10 min (c) 2 h 10 min (d) 2 h 20 min
  8. 8.A film starts at 3:50 and ends at 6:30. How long is the film? (a) 2 h 50 min (b) 3 h 40 min (c) 2 h 40 min (d) 1 h 40 min
  9. 9.What time was it 40 minutes before 5:00? (a) 4:20 (b) 3:20 (c) 5:20 (d) 4:30
  10. 10.What time was it 25 minutes before 7:50? (a) 7:35 (b) 8:25 (c) 7:25 (d) 6:25
  11. 11.What time was it 45 minutes before 10:45? (a) 11:00 (b) 9:00 (c) 10:10 (d) 10:00
  12. 12.A film starts at 1:20 and ends at 4:10. How long is the film? (a) 1 h 50 min (b) 3 h (c) 2 h 50 min (d) 3 h 50 min
  13. 13.What time was it 40 minutes before 5:55? (a) 5:25 (b) 4:15 (c) 6:15 (d) 5:15
  14. 14.What time will it be 30 minutes after 8:15? (a) 9:45 (b) 8:45 (c) 7:45 (d) 8:35
  15. 15.A film starts at 7:00 and ends at 7:20. How long is the film? (a) 10 min (b) 1 h 20 min (c) 20 min (d) 30 min
  16. 16.What time will it be 15 minutes after 2:40? (a) 2:45 (b) 3:55 (c) 2:55 (d) 1:55
  17. 17.A film starts at 1:25 and ends at 2:05. How long is the film? (a) 40 min (b) 50 min (c) 30 min (d) 1 h 40 min
  18. 18.What time will it be 20 minutes after 5:25? (a) 6:45 (b) 4:45 (c) 5:35 (d) 5:45
  19. 19.What time will it be 45 minutes after 1:45? (a) 3:30 (b) 2:30 (c) 1:30 (d) 2:20
  20. 20.What time will it be 35 minutes after 1:10? (a) 1:55 (b) 1:35 (c) 1:45 (d) 2:45
  21. 21.What time was it 30 minutes before 6:45? (a) 6:25 (b) 7:15 (c) 5:15 (d) 6:15
  22. 22.What time will it be 35 minutes after 9:20? (a) 10:55 (b) 8:55 (c) 9:45 (d) 9:55
  23. 23.What time will it be 45 minutes after 9:40? (a) 11:25 (b) 10:15 (c) 9:25 (d) 10:25
  24. 24.What time will it be 20 minutes after 2:50? (a) 3:00 (b) 2:10 (c) 4:10 (d) 3:10
  25. 25.A film starts at 8:20 and ends at 9:15. How long is the film? (a) 45 min (b) 55 min (c) 1 h 5 min (d) 1 h 55 min
  26. 26.A film starts at 2:50 and ends at 3:15. How long is the film? (a) 1 h 25 min (b) 15 min (c) 25 min (d) 35 min
  27. 27.What time was it 45 minutes before 9:05? (a) 9:20 (b) 8:20 (c) 7:20 (d) 8:30
  28. 28.What time was it 50 minutes before 10:35? (a) 8:45 (b) 9:45 (c) 9:55 (d) 10:45
  29. 29.What time will it be 40 minutes after 3:25? (a) 3:05 (b) 4:05 (c) 5:05 (d) 3:55
  30. 30.A film starts at 8:50 and ends at 9:35. How long is the film? (a) 1 h 45 min (b) 55 min (c) 45 min (d) 35 min
  31. 31.What time will it be 55 minutes after 10:55? (a) 10:50 (b) 11:50 (c) 11:40 (d) 12:50
  32. 32.A film starts at 7:45 and ends at 8:25. How long is the film? (a) 50 min (b) 30 min (c) 40 min (d) 1 h 40 min
  33. 33.A film starts at 8:00 and ends at 9:35. How long is the film? (a) 35 min (b) 1 h 35 min (c) 2 h 35 min (d) 1 h 45 min
  34. 34.A film starts at 7:15 and ends at 8:45. How long is the film? (a) 2 h 30 min (b) 30 min (c) 1 h 40 min (d) 1 h 30 min
  35. 35.A film starts at 8:00 and ends at 8:35. How long is the film? (a) 25 min (b) 45 min (c) 1 h 35 min (d) 35 min
  36. 36.What time will it be 15 minutes after 10:30? (a) 10:45 (b) 9:45 (c) 11:45 (d) 10:35
  37. 37.A film starts at 7:15 and ends at 8:50. How long is the film? (a) 1 h 45 min (b) 35 min (c) 2 h 35 min (d) 1 h 35 min
  38. 38.A film starts at 5:05 and ends at 7:45. How long is the film? (a) 3 h 40 min (b) 1 h 40 min (c) 2 h 50 min (d) 2 h 40 min
  39. 39.What time will it be 20 minutes after 1:00? (a) 1:10 (b) 1:30 (c) 1:20 (d) 2:20
  40. 40.What time will it be 40 minutes after 3:20? (a) 4:00 (b) 3:50 (c) 3:00 (d) 5:00

Answer key

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

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