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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 102 · 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 30 minutes after 6:45? (a) 6:15 (b) 8:15 (c) 7:05 (d) 7:15
  2. 2.What time will it be 50 minutes after 3:50? (a) 3:40 (b) 5:40 (c) 4:30 (d) 4:40
  3. 3.A film starts at 7:35 and ends at 8:50. How long is the film? (a) 1 h 25 min (b) 1 h 15 min (c) 15 min (d) 2 h 15 min
  4. 4.A film starts at 1:45 and ends at 2:25. How long is the film? (a) 40 min (b) 50 min (c) 30 min (d) 1 h 40 min
  5. 5.What time will it be 20 minutes after 6:10? (a) 5:30 (b) 6:20 (c) 7:30 (d) 6:30
  6. 6.What time was it 35 minutes before 2:25? (a) 1:40 (b) 1:50 (c) 2:50 (d) 2:00
  7. 7.What time will it be 45 minutes after 10:55? (a) 12:40 (b) 11:40 (c) 10:40 (d) 11:30
  8. 8.What time was it 45 minutes before 2:55? (a) 1:10 (b) 3:10 (c) 2:20 (d) 2:10
  9. 9.What time was it 20 minutes before 6:45? (a) 7:25 (b) 5:25 (c) 6:35 (d) 6:25
  10. 10.What time will it be 25 minutes after 10:45? (a) 12:10 (b) 11:00 (c) 11:10 (d) 10:10
  11. 11.What time will it be 40 minutes after 3:10? (a) 2:50 (b) 4:50 (c) 3:50 (d) 3:40
  12. 12.What time will it be 20 minutes after 1:00? (a) 1:30 (b) 1:20 (c) 2:20 (d) 1:10
  13. 13.What time was it 40 minutes before 9:20? (a) 7:40 (b) 8:50 (c) 8:40 (d) 9:40
  14. 14.A film starts at 4:25 and ends at 5:25. How long is the film? (a) 1 h (b) 50 min (c) 1 h 10 min (d) 2 h
  15. 15.What time was it 30 minutes before 9:40? (a) 10:10 (b) 9:10 (c) 8:10 (d) 9:20
  16. 16.A film starts at 6:55 and ends at 8:35. How long is the film? (a) 2 h 40 min (b) 1 h 50 min (c) 40 min (d) 1 h 40 min
  17. 17.A film starts at 2:25 and ends at 5:00. How long is the film? (a) 2 h 35 min (b) 1 h 35 min (c) 3 h 35 min (d) 2 h 45 min
  18. 18.What time was it 50 minutes before 9:50? (a) 9:10 (b) 10:00 (c) 9:00 (d) 8:00
  19. 19.What time was it 45 minutes before 5:15? (a) 5:30 (b) 3:30 (c) 4:30 (d) 4:40
  20. 20.A film starts at 4:00 and ends at 6:20. How long is the film? (a) 1 h 20 min (b) 2 h 20 min (c) 2 h 30 min (d) 3 h 20 min
  21. 21.What time will it be 35 minutes after 6:20? (a) 7:55 (b) 6:55 (c) 5:55 (d) 6:45
  22. 22.What time will it be 15 minutes after 7:20? (a) 8:35 (b) 6:35 (c) 7:35 (d) 7:25
  23. 23.What time was it 20 minutes before 4:45? (a) 5:25 (b) 4:25 (c) 3:25 (d) 4:35
  24. 24.What time was it 35 minutes before 7:00? (a) 6:35 (b) 6:25 (c) 5:25 (d) 7:25
  25. 25.What time was it 20 minutes before 8:05? (a) 8:45 (b) 6:45 (c) 7:45 (d) 7:55
  26. 26.What time was it 15 minutes before 10:10? (a) 10:55 (b) 8:55 (c) 10:05 (d) 9:55
  27. 27.A film starts at 2:55 and ends at 4:00. How long is the film? (a) 2 h 5 min (b) 1 h 5 min (c) 1 h 15 min (d) 5 min
  28. 28.What time will it be 45 minutes after 10:40? (a) 11:25 (b) 10:25 (c) 11:15 (d) 12:25
  29. 29.A film starts at 6:10 and ends at 8:40. How long is the film? (a) 2 h 40 min (b) 1 h 30 min (c) 2 h 30 min (d) 3 h 30 min
  30. 30.A film starts at 6:55 and ends at 7:55. How long is the film? (a) 50 min (b) 1 h 10 min (c) 2 h (d) 1 h
  31. 31.What time will it be 20 minutes after 5:15? (a) 5:25 (b) 6:35 (c) 4:35 (d) 5:35
  32. 32.What time was it 45 minutes before 2:35? (a) 1:40 (b) 1:50 (c) 2:50 (d) 2:00
  33. 33.What time was it 20 minutes before 3:40? (a) 2:20 (b) 3:30 (c) 4:20 (d) 3:20
  34. 34.What time was it 45 minutes before 7:40? (a) 7:55 (b) 6:55 (c) 7:05 (d) 5:55
  35. 35.What time was it 50 minutes before 2:50? (a) 2:00 (b) 2:10 (c) 1:00 (d) 3:00
  36. 36.What time will it be 55 minutes after 7:25? (a) 8:10 (b) 9:20 (c) 8:20 (d) 7:20
  37. 37.What time will it be 25 minutes after 5:05? (a) 5:30 (b) 4:30 (c) 6:30 (d) 5:20
  38. 38.What time was it 25 minutes before 2:10? (a) 2:45 (b) 1:45 (c) 1:35 (d) 1:55
  39. 39.A film starts at 4:20 and ends at 5:40. How long is the film? (a) 1 h 30 min (b) 1 h 20 min (c) 20 min (d) 2 h 20 min
  40. 40.What time will it be 45 minutes after 5:00? (a) 6:45 (b) 5:35 (c) 4:45 (d) 5:45

Answer key

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

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