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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 339 · 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.A film starts at 6:50 and ends at 9:05. How long is the film? (a) 3 h 15 min (b) 2 h 15 min (c) 1 h 15 min (d) 2 h 25 min
  2. 2.What time was it 45 minutes before 8:45? (a) 8:00 (b) 9:00 (c) 7:00 (d) 8:10
  3. 3.What time will it be 50 minutes after 1:05? (a) 2:55 (b) 2:05 (c) 1:45 (d) 1:55
  4. 4.What time will it be 15 minutes after 2:40? (a) 1:55 (b) 2:45 (c) 2:55 (d) 3:55
  5. 5.What time will it be 50 minutes after 9:25? (a) 10:05 (b) 11:15 (c) 10:15 (d) 9:15
  6. 6.What time was it 20 minutes before 11:30? (a) 12:10 (b) 10:10 (c) 11:20 (d) 11:10
  7. 7.What time will it be 20 minutes after 2:10? (a) 2:20 (b) 3:30 (c) 2:30 (d) 1:30
  8. 8.A film starts at 6:10 and ends at 6:55. How long is the film? (a) 45 min (b) 55 min (c) 35 min (d) 1 h 45 min
  9. 9.What time was it 30 minutes before 3:05? (a) 3:35 (b) 2:35 (c) 2:45 (d) 1:35
  10. 10.A film starts at 2:25 and ends at 3:00. How long is the film? (a) 35 min (b) 25 min (c) 1 h 35 min (d) 45 min
  11. 11.What time will it be 45 minutes after 7:45? (a) 8:20 (b) 7:30 (c) 9:30 (d) 8:30
  12. 12.A film starts at 1:10 and ends at 3:25. How long is the film? (a) 2 h 25 min (b) 2 h 15 min (c) 1 h 15 min (d) 3 h 15 min
  13. 13.What time will it be 45 minutes after 1:45? (a) 1:30 (b) 2:20 (c) 3:30 (d) 2:30
  14. 14.A film starts at 4:40 and ends at 5:05. How long is the film? (a) 15 min (b) 1 h 25 min (c) 35 min (d) 25 min
  15. 15.What time will it be 30 minutes after 4:10? (a) 5:40 (b) 4:40 (c) 3:40 (d) 4:30
  16. 16.What time will it be 55 minutes after 3:40? (a) 4:35 (b) 5:35 (c) 3:35 (d) 4:25
  17. 17.What time was it 25 minutes before 8:05? (a) 6:40 (b) 8:40 (c) 7:50 (d) 7:40
  18. 18.What time will it be 20 minutes after 1:40? (a) 3:00 (b) 1:00 (c) 2:00 (d) 1:50
  19. 19.A film starts at 2:30 and ends at 3:55. How long is the film? (a) 1 h 25 min (b) 25 min (c) 1 h 35 min (d) 2 h 25 min
  20. 20.A film starts at 7:15 and ends at 10:05. How long is the film? (a) 1 h 50 min (b) 2 h 50 min (c) 3 h (d) 3 h 50 min
  21. 21.A film starts at 2:35 and ends at 5:30. How long is the film? (a) 1 h 55 min (b) 2 h 55 min (c) 3 h 5 min (d) 3 h 55 min
  22. 22.What time will it be 50 minutes after 3:25? (a) 3:15 (b) 5:15 (c) 4:15 (d) 4:05
  23. 23.What time will it be 30 minutes after 5:25? (a) 5:45 (b) 4:55 (c) 6:55 (d) 5:55
  24. 24.A film starts at 5:55 and ends at 6:15. How long is the film? (a) 10 min (b) 1 h 20 min (c) 30 min (d) 20 min
  25. 25.A film starts at 2:05 and ends at 3:40. How long is the film? (a) 1 h 45 min (b) 2 h 35 min (c) 35 min (d) 1 h 35 min
  26. 26.A film starts at 1:40 and ends at 3:20. How long is the film? (a) 40 min (b) 2 h 40 min (c) 1 h 50 min (d) 1 h 40 min
  27. 27.What time will it be 15 minutes after 1:50? (a) 1:05 (b) 3:05 (c) 1:55 (d) 2:05
  28. 28.What time was it 40 minutes before 2:40? (a) 3:00 (b) 2:10 (c) 2:00 (d) 1:00
  29. 29.What time will it be 30 minutes after 7:35? (a) 7:55 (b) 8:05 (c) 9:05 (d) 7:05
  30. 30.What time was it 35 minutes before 11:55? (a) 11:20 (b) 11:30 (c) 10:20 (d) 12:20
  31. 31.What time will it be 25 minutes after 1:20? (a) 1:35 (b) 1:45 (c) 1:55 (d) 2:45
  32. 32.What time was it 45 minutes before 2:45? (a) 3:00 (b) 1:00 (c) 2:00 (d) 2:10
  33. 33.What time was it 50 minutes before 7:05? (a) 6:25 (b) 7:15 (c) 5:15 (d) 6:15
  34. 34.What time was it 20 minutes before 3:35? (a) 3:15 (b) 4:15 (c) 3:25 (d) 2:15
  35. 35.What time will it be 15 minutes after 8:00? (a) 8:05 (b) 8:15 (c) 9:15 (d) 7:15
  36. 36.What time was it 45 minutes before 9:00? (a) 8:15 (b) 7:15 (c) 8:25 (d) 9:15
  37. 37.What time will it be 40 minutes after 3:35? (a) 5:15 (b) 4:05 (c) 3:15 (d) 4:15
  38. 38.What time will it be 15 minutes after 8:10? (a) 9:25 (b) 8:15 (c) 7:25 (d) 8:25
  39. 39.What time was it 30 minutes before 4:05? (a) 4:35 (b) 2:35 (c) 3:35 (d) 3:45
  40. 40.What time was it 30 minutes before 6:15? (a) 6:45 (b) 5:55 (c) 5:45 (d) 4:45

Answer key

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

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