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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 113 · 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 15 minutes before 10:10? (a) 10:55 (b) 9:55 (c) 8:55 (d) 10:05
  2. 2.What time will it be 50 minutes after 3:15? (a) 4:05 (b) 3:55 (c) 3:05 (d) 5:05
  3. 3.What time was it 15 minutes before 4:10? (a) 2:55 (b) 3:55 (c) 4:05 (d) 4:55
  4. 4.A film starts at 4:10 and ends at 6:45. 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
  5. 5.A film starts at 4:00 and ends at 5:35. How long is the film? (a) 2 h 35 min (b) 1 h 45 min (c) 35 min (d) 1 h 35 min
  6. 6.What time was it 35 minutes before 5:15? (a) 5:40 (b) 4:50 (c) 4:40 (d) 3:40
  7. 7.A film starts at 5:50 and ends at 6:10. How long is the film? (a) 1 h 20 min (b) 10 min (c) 30 min (d) 20 min
  8. 8.A film starts at 1:45 and ends at 2:15. How long is the film? (a) 40 min (b) 30 min (c) 20 min (d) 1 h 30 min
  9. 9.What time will it be 25 minutes after 3:35? (a) 3:00 (b) 3:50 (c) 4:00 (d) 5:00
  10. 10.What time will it be 55 minutes after 9:40? (a) 9:35 (b) 11:35 (c) 10:25 (d) 10:35
  11. 11.What time was it 55 minutes before 9:05? (a) 8:20 (b) 9:10 (c) 8:10 (d) 7:10
  12. 12.A film starts at 6:55 and ends at 8:55. How long is the film? (a) 3 h (b) 1 h (c) 2 h (d) 2 h 10 min
  13. 13.What time will it be 15 minutes after 9:45? (a) 9:50 (b) 9:00 (c) 11:00 (d) 10:00
  14. 14.What time will it be 25 minutes after 3:45? (a) 4:10 (b) 4:00 (c) 3:10 (d) 5:10
  15. 15.What time will it be 20 minutes after 1:00? (a) 1:20 (b) 1:30 (c) 1:10 (d) 2:20
  16. 16.What time will it be 30 minutes after 10:15? (a) 10:45 (b) 9:45 (c) 11:45 (d) 10:35
  17. 17.What time will it be 50 minutes after 2:35? (a) 3:15 (b) 3:25 (c) 2:25 (d) 4:25
  18. 18.What time was it 25 minutes before 10:05? (a) 10:40 (b) 8:40 (c) 9:50 (d) 9:40
  19. 19.A film starts at 1:00 and ends at 3:05. How long is the film? (a) 2 h 5 min (b) 2 h 15 min (c) 3 h 5 min (d) 1 h 5 min
  20. 20.What time was it 35 minutes before 11:30? (a) 11:05 (b) 11:55 (c) 9:55 (d) 10:55
  21. 21.What time will it be 25 minutes after 6:40? (a) 6:55 (b) 6:05 (c) 8:05 (d) 7:05
  22. 22.What time will it be 30 minutes after 3:25? (a) 3:55 (b) 4:55 (c) 3:45 (d) 2:55
  23. 23.A film starts at 1:00 and ends at 3:25. How long is the film? (a) 2 h 25 min (b) 2 h 35 min (c) 3 h 25 min (d) 1 h 25 min
  24. 24.A film starts at 7:15 and ends at 10:15. How long is the film? (a) 3 h (b) 2 h (c) 3 h 10 min (d) 4 h
  25. 25.What time will it be 45 minutes after 1:15? (a) 3:00 (b) 1:50 (c) 2:00 (d) 1:00
  26. 26.What time was it 30 minutes before 3:45? (a) 2:15 (b) 3:25 (c) 4:15 (d) 3:15
  27. 27.What time was it 35 minutes before 2:00? (a) 1:25 (b) 1:15 (c) 1:35 (d) 2:25
  28. 28.A film starts at 7:10 and ends at 7:55. How long is the film? (a) 55 min (b) 35 min (c) 1 h 45 min (d) 45 min
  29. 29.A film starts at 7:10 and ends at 10:00. How long is the film? (a) 3 h 50 min (b) 2 h 50 min (c) 3 h (d) 1 h 50 min
  30. 30.What time was it 25 minutes before 4:20? (a) 4:05 (b) 2:55 (c) 4:55 (d) 3:55
  31. 31.A film starts at 8:35 and ends at 9:05. How long is the film? (a) 30 min (b) 20 min (c) 40 min (d) 1 h 30 min
  32. 32.What time will it be 25 minutes after 10:45? (a) 11:00 (b) 12:10 (c) 11:10 (d) 10:10
  33. 33.What time was it 45 minutes before 11:45? (a) 12:00 (b) 11:10 (c) 11:00 (d) 10:00
  34. 34.A film starts at 5:20 and ends at 5:50. How long is the film? (a) 20 min (b) 30 min (c) 40 min (d) 1 h 30 min
  35. 35.What time was it 20 minutes before 5:50? (a) 4:30 (b) 5:40 (c) 5:30 (d) 6:30
  36. 36.What time was it 55 minutes before 10:25? (a) 8:30 (b) 10:30 (c) 9:40 (d) 9:30
  37. 37.What time will it be 15 minutes after 5:15? (a) 4:30 (b) 5:20 (c) 5:30 (d) 6:30
  38. 38.What time will it be 50 minutes after 9:55? (a) 10:45 (b) 10:35 (c) 9:45 (d) 11:45
  39. 39.What time was it 30 minutes before 6:10? (a) 6:40 (b) 4:40 (c) 5:50 (d) 5:40
  40. 40.What time will it be 20 minutes after 1:50? (a) 1:10 (b) 3:10 (c) 2:10 (d) 2:00

Answer key

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

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