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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 70 · 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 15 minutes after 6:25? (a) 6:40 (b) 5:40 (c) 7:40 (d) 6:30
  2. 2.What time will it be 30 minutes after 3:15? (a) 4:45 (b) 3:45 (c) 2:45 (d) 3:35
  3. 3.What time will it be 15 minutes after 1:35? (a) 1:40 (b) 1:50 (c) 2:00 (d) 2:50
  4. 4.A film starts at 3:20 and ends at 5:35. How long is the film? (a) 3 h 15 min (b) 1 h 15 min (c) 2 h 15 min (d) 2 h 25 min
  5. 5.What time will it be 20 minutes after 8:00? (a) 8:20 (b) 9:20 (c) 8:10 (d) 7:20
  6. 6.What time will it be 40 minutes after 4:20? (a) 4:50 (b) 5:00 (c) 6:00 (d) 4:00
  7. 7.A film starts at 2:45 and ends at 3:55. How long is the film? (a) 2 h 10 min (b) 10 min (c) 1 h 20 min (d) 1 h 10 min
  8. 8.What time will it be 55 minutes after 4:05? (a) 4:50 (b) 4:00 (c) 5:00 (d) 6:00
  9. 9.What time will it be 25 minutes after 3:45? (a) 3:10 (b) 4:10 (c) 4:00 (d) 5:10
  10. 10.A film starts at 3:25 and ends at 4:40. How long is the film? (a) 1 h 25 min (b) 15 min (c) 2 h 15 min (d) 1 h 15 min
  11. 11.What time was it 15 minutes before 6:45? (a) 7:30 (b) 6:40 (c) 5:30 (d) 6:30
  12. 12.What time was it 55 minutes before 3:50? (a) 2:55 (b) 3:05 (c) 3:55 (d) 1:55
  13. 13.What time was it 50 minutes before 5:45? (a) 5:05 (b) 4:55 (c) 3:55 (d) 5:55
  14. 14.A film starts at 4:40 and ends at 5:15. How long is the film? (a) 45 min (b) 35 min (c) 25 min (d) 1 h 35 min
  15. 15.What time was it 20 minutes before 7:55? (a) 8:35 (b) 6:35 (c) 7:35 (d) 7:45
  16. 16.What time was it 30 minutes before 8:30? (a) 9:00 (b) 7:00 (c) 8:10 (d) 8:00
  17. 17.What time was it 50 minutes before 7:55? (a) 8:05 (b) 6:05 (c) 7:15 (d) 7:05
  18. 18.What time will it be 20 minutes after 7:15? (a) 6:35 (b) 8:35 (c) 7:35 (d) 7:25
  19. 19.What time was it 30 minutes before 8:00? (a) 7:30 (b) 7:40 (c) 6:30 (d) 8:30
  20. 20.What time will it be 15 minutes after 7:40? (a) 7:55 (b) 8:55 (c) 6:55 (d) 7:45
  21. 21.What time was it 40 minutes before 2:30? (a) 1:50 (b) 1:40 (c) 2:50 (d) 2:00
  22. 22.What time was it 20 minutes before 5:15? (a) 4:55 (b) 5:55 (c) 5:05 (d) 3:55
  23. 23.What time will it be 55 minutes after 7:00? (a) 6:55 (b) 7:55 (c) 8:55 (d) 7:45
  24. 24.A film starts at 5:25 and ends at 7:05. How long is the film? (a) 2 h 40 min (b) 1 h 50 min (c) 1 h 40 min (d) 40 min
  25. 25.What time will it be 15 minutes after 5:00? (a) 6:15 (b) 4:15 (c) 5:15 (d) 5:05
  26. 26.What time will it be 35 minutes after 10:45? (a) 10:20 (b) 11:10 (c) 12:20 (d) 11:20
  27. 27.What time will it be 35 minutes after 10:20? (a) 10:45 (b) 10:55 (c) 9:55 (d) 11:55
  28. 28.What time will it be 45 minutes after 5:00? (a) 4:45 (b) 5:45 (c) 6:45 (d) 5:35
  29. 29.What time will it be 35 minutes after 1:10? (a) 1:55 (b) 1:35 (c) 1:45 (d) 2:45
  30. 30.What time will it be 45 minutes after 8:15? (a) 10:00 (b) 8:50 (c) 8:00 (d) 9:00
  31. 31.What time was it 55 minutes before 5:00? (a) 5:05 (b) 4:15 (c) 3:05 (d) 4:05
  32. 32.A film starts at 2:20 and ends at 4:55. How long is the film? (a) 2 h 45 min (b) 1 h 35 min (c) 3 h 35 min (d) 2 h 35 min
  33. 33.A film starts at 2:25 and ends at 3:15. How long is the film? (a) 1 h (b) 40 min (c) 50 min (d) 1 h 50 min
  34. 34.What time was it 20 minutes before 2:15? (a) 2:05 (b) 2:55 (c) 1:55 (d) 1:45
  35. 35.What time was it 35 minutes before 11:20? (a) 11:45 (b) 10:55 (c) 10:45 (d) 9:45
  36. 36.What time will it be 30 minutes after 3:25? (a) 4:55 (b) 3:55 (c) 3:45 (d) 2:55
  37. 37.What time will it be 20 minutes after 3:35? (a) 3:45 (b) 2:55 (c) 4:55 (d) 3:55
  38. 38.A film starts at 6:25 and ends at 9:00. How long is the film? (a) 2 h 45 min (b) 3 h 35 min (c) 2 h 35 min (d) 1 h 35 min
  39. 39.What time was it 30 minutes before 6:30? (a) 7:00 (b) 5:00 (c) 6:10 (d) 6:00
  40. 40.What time was it 55 minutes before 11:00? (a) 10:15 (b) 11:05 (c) 9:05 (d) 10:05

Answer key

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

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