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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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