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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 372 · 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 5:00? (a) 4:30 (b) 5:30 (c) 6:30 (d) 5:20
  2. 2.What time was it 35 minutes before 5:55? (a) 4:20 (b) 5:30 (c) 6:20 (d) 5:20
  3. 3.What time will it be 25 minutes after 6:10? (a) 6:25 (b) 6:35 (c) 5:35 (d) 7:35
  4. 4.What time will it be 15 minutes after 6:15? (a) 5:30 (b) 7:30 (c) 6:30 (d) 6:20
  5. 5.A film starts at 6:55 and ends at 9:30. How long is the film? (a) 3 h 35 min (b) 2 h 45 min (c) 2 h 35 min (d) 1 h 35 min
  6. 6.What time will it be 25 minutes after 1:05? (a) 1:20 (b) 1:30 (c) 1:40 (d) 2:30
  7. 7.What time will it be 35 minutes after 4:10? (a) 3:45 (b) 4:35 (c) 4:45 (d) 5:45
  8. 8.What time was it 40 minutes before 5:45? (a) 6:05 (b) 5:15 (c) 4:05 (d) 5:05
  9. 9.What time was it 45 minutes before 4:25? (a) 3:50 (b) 2:40 (c) 3:40 (d) 4:40
  10. 10.What time will it be 55 minutes after 3:40? (a) 5:35 (b) 4:25 (c) 3:35 (d) 4:35
  11. 11.What time will it be 30 minutes after 5:50? (a) 5:20 (b) 6:10 (c) 7:20 (d) 6:20
  12. 12.A film starts at 4:10 and ends at 5:15. How long is the film? (a) 1 h 15 min (b) 1 h 5 min (c) 2 h 5 min (d) 5 min
  13. 13.A film starts at 8:10 and ends at 9:50. How long is the film? (a) 1 h 40 min (b) 40 min (c) 1 h 50 min (d) 2 h 40 min
  14. 14.What time will it be 40 minutes after 9:05? (a) 8:45 (b) 10:45 (c) 9:35 (d) 9:45
  15. 15.What time will it be 30 minutes after 6:55? (a) 6:25 (b) 8:25 (c) 7:25 (d) 7:15
  16. 16.What time was it 25 minutes before 10:00? (a) 10:35 (b) 9:35 (c) 9:45 (d) 8:35
  17. 17.What time was it 50 minutes before 5:45? (a) 5:55 (b) 5:05 (c) 3:55 (d) 4:55
  18. 18.What time will it be 50 minutes after 6:05? (a) 6:55 (b) 7:55 (c) 5:55 (d) 6:45
  19. 19.What time will it be 30 minutes after 7:55? (a) 8:15 (b) 9:25 (c) 8:25 (d) 7:25
  20. 20.A film starts at 2:25 and ends at 3:20. How long is the film? (a) 1 h 5 min (b) 1 h 55 min (c) 55 min (d) 45 min
  21. 21.A film starts at 1:25 and ends at 1:55. How long is the film? (a) 1 h 30 min (b) 40 min (c) 20 min (d) 30 min
  22. 22.What time was it 30 minutes before 10:10? (a) 8:40 (b) 10:40 (c) 9:40 (d) 9:50
  23. 23.What time was it 20 minutes before 6:05? (a) 4:45 (b) 5:45 (c) 5:55 (d) 6:45
  24. 24.What time will it be 30 minutes after 2:10? (a) 1:40 (b) 3:40 (c) 2:30 (d) 2:40
  25. 25.A film starts at 5:30 and ends at 6:35. How long is the film? (a) 2 h 5 min (b) 1 h 15 min (c) 1 h 5 min (d) 5 min
  26. 26.What time will it be 20 minutes after 1:10? (a) 1:40 (b) 1:20 (c) 1:30 (d) 2:30
  27. 27.What time was it 45 minutes before 11:10? (a) 10:35 (b) 11:25 (c) 9:25 (d) 10:25
  28. 28.What time was it 40 minutes before 6:05? (a) 6:25 (b) 4:25 (c) 5:35 (d) 5:25
  29. 29.A film starts at 4:55 and ends at 6:15. How long is the film? (a) 2 h 20 min (b) 1 h 30 min (c) 1 h 20 min (d) 20 min
  30. 30.What time was it 30 minutes before 9:20? (a) 8:50 (b) 7:50 (c) 9:00 (d) 9:50
  31. 31.A film starts at 2:00 and ends at 2:20. How long is the film? (a) 20 min (b) 30 min (c) 10 min (d) 1 h 20 min
  32. 32.A film starts at 2:30 and ends at 4:00. How long is the film? (a) 30 min (b) 1 h 40 min (c) 2 h 30 min (d) 1 h 30 min
  33. 33.What time will it be 20 minutes after 5:35? (a) 5:55 (b) 5:45 (c) 4:55 (d) 6:55
  34. 34.What time was it 20 minutes before 10:15? (a) 10:55 (b) 8:55 (c) 9:55 (d) 10:05
  35. 35.A film starts at 1:45 and ends at 2:10. How long is the film? (a) 1 h 25 min (b) 25 min (c) 15 min (d) 35 min
  36. 36.A film starts at 2:40 and ends at 3:25. How long is the film? (a) 1 h 45 min (b) 55 min (c) 35 min (d) 45 min
  37. 37.A film starts at 1:40 and ends at 2:15. How long is the film? (a) 1 h 35 min (b) 45 min (c) 35 min (d) 25 min
  38. 38.What time was it 45 minutes before 3:50? (a) 3:15 (b) 2:05 (c) 3:05 (d) 4:05
  39. 39.What time was it 50 minutes before 4:15? (a) 2:25 (b) 3:25 (c) 4:25 (d) 3:35
  40. 40.What time was it 50 minutes before 3:35? (a) 2:55 (b) 3:45 (c) 1:45 (d) 2:45

Answer key

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

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