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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 456 · 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 45 minutes after 1:05? (a) 2:00 (b) 2:50 (c) 1:40 (d) 1:50
  2. 2.What time was it 50 minutes before 2:40? (a) 2:50 (b) 1:50 (c) 1:40 (d) 2:00
  3. 3.What time was it 35 minutes before 11:50? (a) 11:15 (b) 10:15 (c) 11:25 (d) 12:15
  4. 4.What time was it 40 minutes before 8:00? (a) 6:20 (b) 7:20 (c) 7:30 (d) 8:20
  5. 5.What time was it 15 minutes before 2:35? (a) 2:20 (b) 3:20 (c) 1:20 (d) 2:30
  6. 6.What time was it 50 minutes before 10:55? (a) 11:05 (b) 10:05 (c) 10:15 (d) 9:05
  7. 7.What time will it be 45 minutes after 9:00? (a) 10:45 (b) 8:45 (c) 9:45 (d) 9:35
  8. 8.What time was it 15 minutes before 2:00? (a) 1:45 (b) 1:35 (c) 1:55 (d) 2:45
  9. 9.What time was it 35 minutes before 11:30? (a) 9:55 (b) 10:55 (c) 11:55 (d) 11:05
  10. 10.What time was it 55 minutes before 6:05? (a) 5:20 (b) 5:10 (c) 4:10 (d) 6:10
  11. 11.A film starts at 4:50 and ends at 7:05. How long is the film? (a) 2 h 25 min (b) 1 h 15 min (c) 2 h 15 min (d) 3 h 15 min
  12. 12.A film starts at 6:55 and ends at 7:45. How long is the film? (a) 40 min (b) 50 min (c) 1 h 50 min (d) 1 h
  13. 13.A film starts at 8:15 and ends at 8:45. How long is the film? (a) 20 min (b) 40 min (c) 1 h 30 min (d) 30 min
  14. 14.What time will it be 20 minutes after 4:50? (a) 5:10 (b) 5:00 (c) 6:10 (d) 4:10
  15. 15.What time will it be 45 minutes after 10:55? (a) 12:40 (b) 11:30 (c) 10:40 (d) 11:40
  16. 16.A film starts at 3:35 and ends at 5:05. How long is the film? (a) 1 h 30 min (b) 30 min (c) 2 h 30 min (d) 1 h 40 min
  17. 17.What time will it be 40 minutes after 9:45? (a) 10:25 (b) 9:25 (c) 10:15 (d) 11:25
  18. 18.What time will it be 15 minutes after 2:00? (a) 3:15 (b) 2:15 (c) 2:05 (d) 1:15
  19. 19.What time will it be 20 minutes after 10:55? (a) 10:15 (b) 11:15 (c) 12:15 (d) 11:05
  20. 20.What time will it be 30 minutes after 9:05? (a) 10:35 (b) 9:35 (c) 9:25 (d) 8:35
  21. 21.A film starts at 7:45 and ends at 9:50. 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
  22. 22.What time will it be 55 minutes after 2:10? (a) 2:05 (b) 3:05 (c) 4:05 (d) 2:55
  23. 23.What time will it be 50 minutes after 3:30? (a) 3:20 (b) 5:20 (c) 4:10 (d) 4:20
  24. 24.What time was it 35 minutes before 10:05? (a) 8:30 (b) 10:30 (c) 9:40 (d) 9:30
  25. 25.A film starts at 4:10 and ends at 5:20. How long is the film? (a) 1 h 20 min (b) 2 h 10 min (c) 10 min (d) 1 h 10 min
  26. 26.What time will it be 30 minutes after 7:00? (a) 8:30 (b) 7:30 (c) 6:30 (d) 7:20
  27. 27.What time will it be 25 minutes after 2:30? (a) 3:55 (b) 2:45 (c) 1:55 (d) 2:55
  28. 28.A film starts at 5:20 and ends at 5:55. How long is the film? (a) 45 min (b) 25 min (c) 35 min (d) 1 h 35 min
  29. 29.What time will it be 55 minutes after 5:25? (a) 6:10 (b) 7:20 (c) 5:20 (d) 6:20
  30. 30.What time will it be 35 minutes after 8:20? (a) 8:55 (b) 9:55 (c) 8:45 (d) 7:55
  31. 31.What time will it be 25 minutes after 4:00? (a) 5:25 (b) 4:15 (c) 3:25 (d) 4:25
  32. 32.What time was it 20 minutes before 9:10? (a) 8:50 (b) 9:00 (c) 7:50 (d) 9:50
  33. 33.A film starts at 3:10 and ends at 4:10. How long is the film? (a) 50 min (b) 2 h (c) 1 h 10 min (d) 1 h
  34. 34.What time will it be 15 minutes after 9:25? (a) 8:40 (b) 9:40 (c) 9:30 (d) 10:40
  35. 35.A film starts at 3:15 and ends at 5:30. How long is the film? (a) 2 h 25 min (b) 2 h 15 min (c) 3 h 15 min (d) 1 h 15 min
  36. 36.A film starts at 1:45 and ends at 2:40. How long is the film? (a) 1 h 5 min (b) 1 h 55 min (c) 55 min (d) 45 min
  37. 37.What time was it 45 minutes before 10:20? (a) 10:35 (b) 9:35 (c) 9:45 (d) 8:35
  38. 38.What time will it be 40 minutes after 10:00? (a) 11:40 (b) 10:40 (c) 9:40 (d) 10:30
  39. 39.What time will it be 50 minutes after 2:10? (a) 2:50 (b) 4:00 (c) 2:00 (d) 3:00
  40. 40.What time was it 15 minutes before 5:00? (a) 3:45 (b) 4:45 (c) 4:55 (d) 5:45

Answer key

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

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