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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 488 · 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 was it 55 minutes before 7:55? (a) 6:00 (b) 7:00 (c) 7:10 (d) 8:00
  2. 2.What time was it 15 minutes before 7:05? (a) 7:00 (b) 7:50 (c) 5:50 (d) 6:50
  3. 3.A film starts at 6:30 and ends at 7:55. How long is the film? (a) 1 h 25 min (b) 2 h 25 min (c) 1 h 35 min (d) 25 min
  4. 4.A film starts at 1:00 and ends at 1:30. How long is the film? (a) 1 h 30 min (b) 40 min (c) 30 min (d) 20 min
  5. 5.What time will it be 30 minutes after 9:55? (a) 9:25 (b) 10:15 (c) 11:25 (d) 10:25
  6. 6.What time will it be 50 minutes after 5:10? (a) 7:00 (b) 6:00 (c) 5:00 (d) 5:50
  7. 7.What time will it be 40 minutes after 8:15? (a) 8:45 (b) 8:55 (c) 7:55 (d) 9:55
  8. 8.What time was it 35 minutes before 10:30? (a) 10:05 (b) 10:55 (c) 9:55 (d) 8:55
  9. 9.What time will it be 15 minutes after 3:15? (a) 3:20 (b) 4:30 (c) 2:30 (d) 3:30
  10. 10.What time was it 50 minutes before 7:40? (a) 7:00 (b) 5:50 (c) 6:50 (d) 7:50
  11. 11.What time was it 20 minutes before 9:50? (a) 10:30 (b) 8:30 (c) 9:30 (d) 9:40
  12. 12.What time will it be 25 minutes after 10:30? (a) 10:55 (b) 9:55 (c) 11:55 (d) 10:45
  13. 13.What time was it 55 minutes before 2:50? (a) 1:45 (b) 2:55 (c) 2:05 (d) 1:55
  14. 14.What time was it 35 minutes before 6:25? (a) 5:50 (b) 6:50 (c) 4:50 (d) 6:00
  15. 15.What time was it 30 minutes before 6:40? (a) 6:10 (b) 6:20 (c) 5:10 (d) 7:10
  16. 16.What time will it be 50 minutes after 7:00? (a) 6:50 (b) 8:50 (c) 7:50 (d) 7:40
  17. 17.A film starts at 6:25 and ends at 6:50. How long is the film? (a) 15 min (b) 35 min (c) 25 min (d) 1 h 25 min
  18. 18.What time will it be 20 minutes after 7:20? (a) 7:40 (b) 7:30 (c) 8:40 (d) 6:40
  19. 19.What time will it be 45 minutes after 4:15? (a) 4:00 (b) 4:50 (c) 6:00 (d) 5:00
  20. 20.What time was it 35 minutes before 4:15? (a) 3:40 (b) 2:40 (c) 4:40 (d) 3:50
  21. 21.What time was it 55 minutes before 5:10? (a) 5:15 (b) 4:15 (c) 4:25 (d) 3:15
  22. 22.What time will it be 30 minutes after 7:00? (a) 6:30 (b) 8:30 (c) 7:20 (d) 7:30
  23. 23.What time was it 30 minutes before 9:20? (a) 7:50 (b) 9:00 (c) 9:50 (d) 8:50
  24. 24.What time will it be 45 minutes after 8:40? (a) 9:25 (b) 8:25 (c) 10:25 (d) 9:15
  25. 25.What time will it be 35 minutes after 7:25? (a) 8:00 (b) 9:00 (c) 7:50 (d) 7:00
  26. 26.A film starts at 5:45 and ends at 7:45. How long is the film? (a) 3 h (b) 2 h 10 min (c) 2 h (d) 1 h
  27. 27.A film starts at 7:20 and ends at 8:05. How long is the film? (a) 1 h 45 min (b) 55 min (c) 45 min (d) 35 min
  28. 28.What time was it 30 minutes before 3:30? (a) 3:10 (b) 4:00 (c) 3:00 (d) 2:00
  29. 29.What time will it be 50 minutes after 6:25? (a) 6:15 (b) 8:15 (c) 7:15 (d) 7:05
  30. 30.What time was it 40 minutes before 3:05? (a) 1:25 (b) 3:25 (c) 2:25 (d) 2:35
  31. 31.What time will it be 45 minutes after 4:10? (a) 4:45 (b) 5:55 (c) 4:55 (d) 3:55
  32. 32.A film starts at 3:30 and ends at 5:10. How long is the film? (a) 2 h 40 min (b) 40 min (c) 1 h 40 min (d) 1 h 50 min
  33. 33.What time was it 45 minutes before 6:30? (a) 4:45 (b) 5:45 (c) 5:55 (d) 6:45
  34. 34.A film starts at 1:25 and ends at 2:35. How long is the film? (a) 10 min (b) 2 h 10 min (c) 1 h 10 min (d) 1 h 20 min
  35. 35.What time will it be 20 minutes after 7:05? (a) 6:25 (b) 7:15 (c) 7:25 (d) 8:25
  36. 36.What time will it be 25 minutes after 4:00? (a) 4:15 (b) 5:25 (c) 3:25 (d) 4:25
  37. 37.A film starts at 8:15 and ends at 9:30. How long is the film? (a) 1 h 15 min (b) 2 h 15 min (c) 1 h 25 min (d) 15 min
  38. 38.What time will it be 25 minutes after 2:55? (a) 2:20 (b) 3:10 (c) 4:20 (d) 3:20
  39. 39.What time was it 50 minutes before 2:10? (a) 1:20 (b) 1:30 (c) 1:10 (d) 2:20
  40. 40.What time will it be 15 minutes after 1:15? (a) 1:30 (b) 1:40 (c) 2:30 (d) 1:20

Answer key

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

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