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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 159 · 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 7:50 and ends at 10:05. How long is the film? (a) 2 h 25 min (b) 3 h 15 min (c) 2 h 15 min (d) 1 h 15 min
  2. 2.What time will it be 35 minutes after 4:20? (a) 4:55 (b) 4:45 (c) 5:55 (d) 3:55
  3. 3.What time will it be 55 minutes after 5:45? (a) 7:40 (b) 6:40 (c) 6:30 (d) 5:40
  4. 4.What time was it 50 minutes before 3:50? (a) 2:00 (b) 3:00 (c) 3:10 (d) 4:00
  5. 5.What time will it be 35 minutes after 3:25? (a) 3:00 (b) 3:50 (c) 5:00 (d) 4:00
  6. 6.What time was it 50 minutes before 6:00? (a) 5:20 (b) 4:10 (c) 6:10 (d) 5:10
  7. 7.What time will it be 50 minutes after 4:15? (a) 4:55 (b) 5:05 (c) 4:05 (d) 6:05
  8. 8.A film starts at 8:10 and ends at 8:55. How long is the film? (a) 45 min (b) 1 h 45 min (c) 35 min (d) 55 min
  9. 9.What time will it be 20 minutes after 2:40? (a) 2:00 (b) 4:00 (c) 2:50 (d) 3:00
  10. 10.What time was it 50 minutes before 5:25? (a) 5:35 (b) 4:35 (c) 3:35 (d) 4:45
  11. 11.What time will it be 15 minutes after 1:15? (a) 1:40 (b) 1:20 (c) 1:30 (d) 2:30
  12. 12.What time was it 15 minutes before 5:30? (a) 5:25 (b) 6:15 (c) 4:15 (d) 5:15
  13. 13.What time will it be 25 minutes after 2:40? (a) 2:55 (b) 4:05 (c) 3:05 (d) 2:05
  14. 14.What time will it be 15 minutes after 8:00? (a) 7:15 (b) 9:15 (c) 8:15 (d) 8:05
  15. 15.A film starts at 7:30 and ends at 10:25. 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
  16. 16.What time was it 20 minutes before 4:55? (a) 5:35 (b) 4:35 (c) 3:35 (d) 4:45
  17. 17.What time will it be 15 minutes after 1:45? (a) 3:00 (b) 2:00 (c) 1:50 (d) 1:00
  18. 18.What time was it 55 minutes before 9:05? (a) 7:10 (b) 8:20 (c) 9:10 (d) 8:10
  19. 19.What time will it be 50 minutes after 3:45? (a) 4:35 (b) 3:35 (c) 5:35 (d) 4:25
  20. 20.What time will it be 25 minutes after 9:45? (a) 10:00 (b) 9:10 (c) 11:10 (d) 10:10
  21. 21.What time will it be 35 minutes after 8:15? (a) 9:50 (b) 8:40 (c) 7:50 (d) 8:50
  22. 22.What time will it be 55 minutes after 2:30? (a) 3:25 (b) 3:15 (c) 4:25 (d) 2:25
  23. 23.A film starts at 3:50 and ends at 4:35. How long is the film? (a) 1 h 45 min (b) 35 min (c) 45 min (d) 55 min
  24. 24.What time was it 25 minutes before 3:40? (a) 3:15 (b) 4:15 (c) 3:25 (d) 2:15
  25. 25.What time will it be 50 minutes after 2:15? (a) 3:05 (b) 4:05 (c) 2:55 (d) 2:05
  26. 26.What time was it 40 minutes before 2:35? (a) 1:45 (b) 2:05 (c) 1:55 (d) 2:55
  27. 27.What time was it 50 minutes before 3:10? (a) 2:30 (b) 3:20 (c) 1:20 (d) 2:20
  28. 28.What time will it be 50 minutes after 5:20? (a) 6:00 (b) 5:10 (c) 7:10 (d) 6:10
  29. 29.A film starts at 2:00 and ends at 4:05. How long is the film? (a) 1 h 5 min (b) 3 h 5 min (c) 2 h 5 min (d) 2 h 15 min
  30. 30.What time will it be 45 minutes after 1:15? (a) 3:00 (b) 1:50 (c) 1:00 (d) 2:00
  31. 31.A film starts at 5:00 and ends at 5:25. How long is the film? (a) 1 h 25 min (b) 35 min (c) 15 min (d) 25 min
  32. 32.What time will it be 55 minutes after 2:10? (a) 2:05 (b) 4:05 (c) 3:05 (d) 2:55
  33. 33.What time will it be 50 minutes after 2:40? (a) 2:30 (b) 4:30 (c) 3:30 (d) 3:20
  34. 34.What time will it be 40 minutes after 8:10? (a) 8:40 (b) 9:50 (c) 8:50 (d) 7:50
  35. 35.What time will it be 30 minutes after 3:35? (a) 3:05 (b) 3:55 (c) 5:05 (d) 4:05
  36. 36.What time was it 35 minutes before 11:50? (a) 11:15 (b) 11:25 (c) 12:15 (d) 10:15
  37. 37.A film starts at 5:10 and ends at 5:45. How long is the film? (a) 25 min (b) 1 h 35 min (c) 45 min (d) 35 min
  38. 38.A film starts at 1:25 and ends at 4:15. How long is the film? (a) 3 h (b) 3 h 50 min (c) 2 h 50 min (d) 1 h 50 min
  39. 39.What time will it be 50 minutes after 7:25? (a) 7:15 (b) 9:15 (c) 8:05 (d) 8:15
  40. 40.What time was it 55 minutes before 7:20? (a) 6:25 (b) 5:25 (c) 6:35 (d) 7:25

Answer key

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

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