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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 369 · 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 35 minutes after 8:55? (a) 9:30 (b) 9:20 (c) 10:30 (d) 8:30
  2. 2.What time was it 20 minutes before 11:55? (a) 10:35 (b) 12:35 (c) 11:35 (d) 11:45
  3. 3.A film starts at 1:55 and ends at 3:35. How long is the film? (a) 40 min (b) 1 h 40 min (c) 2 h 40 min (d) 1 h 50 min
  4. 4.What time was it 55 minutes before 2:10? (a) 1:25 (b) 1:05 (c) 1:15 (d) 2:15
  5. 5.What time will it be 30 minutes after 10:05? (a) 11:35 (b) 10:35 (c) 10:25 (d) 9:35
  6. 6.What time was it 15 minutes before 7:00? (a) 7:45 (b) 6:55 (c) 6:45 (d) 5:45
  7. 7.A film starts at 3:35 and ends at 6:00. How long is the film? (a) 3 h 25 min (b) 2 h 35 min (c) 2 h 25 min (d) 1 h 25 min
  8. 8.A film starts at 1:10 and ends at 2:40. How long is the film? (a) 1 h 40 min (b) 1 h 30 min (c) 30 min (d) 2 h 30 min
  9. 9.What time will it be 45 minutes after 6:20? (a) 6:05 (b) 7:05 (c) 6:55 (d) 8:05
  10. 10.What time was it 25 minutes before 8:50? (a) 7:25 (b) 8:35 (c) 9:25 (d) 8:25
  11. 11.What time was it 45 minutes before 4:00? (a) 2:15 (b) 3:25 (c) 4:15 (d) 3:15
  12. 12.What time was it 35 minutes before 7:00? (a) 6:25 (b) 6:35 (c) 5:25 (d) 7:25
  13. 13.What time will it be 20 minutes after 9:15? (a) 8:35 (b) 10:35 (c) 9:25 (d) 9:35
  14. 14.A film starts at 2:30 and ends at 4:05. How long is the film? (a) 35 min (b) 2 h 35 min (c) 1 h 45 min (d) 1 h 35 min
  15. 15.A film starts at 3:35 and ends at 5:55. How long is the film? (a) 1 h 20 min (b) 2 h 30 min (c) 3 h 20 min (d) 2 h 20 min
  16. 16.What time was it 30 minutes before 6:55? (a) 7:25 (b) 6:25 (c) 6:35 (d) 5:25
  17. 17.What time will it be 50 minutes after 2:55? (a) 4:45 (b) 3:35 (c) 3:45 (d) 2:45
  18. 18.What time was it 45 minutes before 4:25? (a) 2:40 (b) 3:50 (c) 4:40 (d) 3:40
  19. 19.What time was it 30 minutes before 10:05? (a) 8:35 (b) 10:35 (c) 9:35 (d) 9:45
  20. 20.What time will it be 15 minutes after 9:45? (a) 9:50 (b) 9:00 (c) 10:00 (d) 11:00
  21. 21.A film starts at 1:30 and ends at 2:15. How long is the film? (a) 55 min (b) 35 min (c) 45 min (d) 1 h 45 min
  22. 22.What time will it be 15 minutes after 10:20? (a) 11:35 (b) 9:35 (c) 10:25 (d) 10:35
  23. 23.What time was it 20 minutes before 3:05? (a) 2:45 (b) 2:55 (c) 1:45 (d) 3:45
  24. 24.A film starts at 6:35 and ends at 7:10. How long is the film? (a) 35 min (b) 25 min (c) 1 h 35 min (d) 45 min
  25. 25.A film starts at 2:40 and ends at 4:00. How long is the film? (a) 1 h 20 min (b) 2 h 20 min (c) 20 min (d) 1 h 30 min
  26. 26.What time will it be 55 minutes after 3:40? (a) 4:35 (b) 4:25 (c) 3:35 (d) 5:35
  27. 27.What time was it 25 minutes before 5:45? (a) 6:20 (b) 5:20 (c) 5:30 (d) 4:20
  28. 28.What time will it be 55 minutes after 7:55? (a) 7:50 (b) 8:40 (c) 8:50 (d) 9:50
  29. 29.A film starts at 5:15 and ends at 7:35. How long is the film? (a) 3 h 20 min (b) 2 h 30 min (c) 1 h 20 min (d) 2 h 20 min
  30. 30.What time was it 25 minutes before 9:05? (a) 8:50 (b) 9:40 (c) 7:40 (d) 8:40
  31. 31.What time was it 55 minutes before 9:00? (a) 8:05 (b) 7:05 (c) 9:05 (d) 8:15
  32. 32.What time was it 15 minutes before 8:10? (a) 8:05 (b) 6:55 (c) 7:55 (d) 8:55
  33. 33.What time was it 45 minutes before 11:40? (a) 9:55 (b) 11:05 (c) 11:55 (d) 10:55
  34. 34.A film starts at 6:40 and ends at 7:30. How long is the film? (a) 40 min (b) 1 h (c) 50 min (d) 1 h 50 min
  35. 35.What time was it 55 minutes before 2:25? (a) 2:30 (b) 1:30 (c) 1:40 (d) 1:20
  36. 36.What time was it 50 minutes before 4:30? (a) 2:40 (b) 3:50 (c) 3:40 (d) 4:40
  37. 37.What time will it be 25 minutes after 8:15? (a) 7:40 (b) 9:40 (c) 8:30 (d) 8:40
  38. 38.A film starts at 7:30 and ends at 8:05. How long is the film? (a) 1 h 35 min (b) 35 min (c) 45 min (d) 25 min
  39. 39.What time was it 15 minutes before 10:15? (a) 11:00 (b) 10:00 (c) 10:10 (d) 9:00
  40. 40.A film starts at 2:20 and ends at 4:50. How long is the film? (a) 2 h 30 min (b) 2 h 40 min (c) 1 h 30 min (d) 3 h 30 min

Answer key

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

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