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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 267 · 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 30 minutes after 3:05? (a) 3:25 (b) 2:35 (c) 3:35 (d) 4:35
  2. 2.What time will it be 55 minutes after 7:05? (a) 7:00 (b) 8:00 (c) 9:00 (d) 7:50
  3. 3.A film starts at 3:05 and ends at 3:25. How long is the film? (a) 20 min (b) 10 min (c) 30 min (d) 1 h 20 min
  4. 4.A film starts at 8:15 and ends at 10:50. How long is the film? (a) 2 h 45 min (b) 1 h 35 min (c) 2 h 35 min (d) 3 h 35 min
  5. 5.A film starts at 1:50 and ends at 4:35. How long is the film? (a) 3 h 45 min (b) 2 h 45 min (c) 1 h 45 min (d) 2 h 55 min
  6. 6.What time will it be 50 minutes after 10:00? (a) 9:50 (b) 11:50 (c) 10:50 (d) 10:40
  7. 7.What time was it 45 minutes before 7:30? (a) 7:45 (b) 6:45 (c) 5:45 (d) 6:55
  8. 8.What time was it 25 minutes before 2:50? (a) 3:25 (b) 1:25 (c) 2:35 (d) 2:25
  9. 9.What time will it be 40 minutes after 10:10? (a) 10:40 (b) 10:50 (c) 11:50 (d) 9:50
  10. 10.What time was it 40 minutes before 11:40? (a) 11:00 (b) 12:00 (c) 11:10 (d) 10:00
  11. 11.What time will it be 40 minutes after 5:25? (a) 6:05 (b) 5:05 (c) 7:05 (d) 5:55
  12. 12.What time will it be 25 minutes after 8:35? (a) 9:00 (b) 8:00 (c) 10:00 (d) 8:50
  13. 13.What time will it be 15 minutes after 7:40? (a) 7:45 (b) 7:55 (c) 8:55 (d) 6:55
  14. 14.What time will it be 55 minutes after 7:50? (a) 9:45 (b) 7:45 (c) 8:45 (d) 8:35
  15. 15.A film starts at 1:30 and ends at 2:40. How long is the film? (a) 2 h 10 min (b) 1 h 20 min (c) 1 h 10 min (d) 10 min
  16. 16.What time was it 15 minutes before 4:20? (a) 5:05 (b) 4:15 (c) 3:05 (d) 4:05
  17. 17.What time will it be 50 minutes after 4:00? (a) 4:50 (b) 4:40 (c) 3:50 (d) 5:50
  18. 18.What time was it 25 minutes before 5:40? (a) 6:15 (b) 5:25 (c) 4:15 (d) 5:15
  19. 19.A film starts at 3:05 and ends at 4:50. How long is the film? (a) 2 h 45 min (b) 1 h 45 min (c) 45 min (d) 1 h 55 min
  20. 20.What time was it 20 minutes before 3:55? (a) 4:35 (b) 3:45 (c) 3:35 (d) 2:35
  21. 21.A film starts at 3:50 and ends at 5:30. How long is the film? (a) 2 h 40 min (b) 1 h 50 min (c) 1 h 40 min (d) 40 min
  22. 22.A film starts at 7:15 and ends at 10:05. How long is the film? (a) 3 h 50 min (b) 1 h 50 min (c) 2 h 50 min (d) 3 h
  23. 23.What time will it be 30 minutes after 8:35? (a) 8:55 (b) 10:05 (c) 9:05 (d) 8:05
  24. 24.What time will it be 15 minutes after 10:15? (a) 9:30 (b) 10:30 (c) 10:20 (d) 11:30
  25. 25.What time will it be 20 minutes after 3:15? (a) 4:35 (b) 3:25 (c) 3:35 (d) 2:35
  26. 26.What time will it be 25 minutes after 1:00? (a) 2:25 (b) 1:25 (c) 1:15 (d) 1:35
  27. 27.What time will it be 15 minutes after 5:30? (a) 5:35 (b) 6:45 (c) 4:45 (d) 5:45
  28. 28.What time will it be 20 minutes after 2:35? (a) 3:55 (b) 2:55 (c) 1:55 (d) 2:45
  29. 29.A film starts at 6:15 and ends at 7:15. How long is the film? (a) 1 h (b) 50 min (c) 1 h 10 min (d) 2 h
  30. 30.A film starts at 8:35 and ends at 10:05. How long is the film? (a) 1 h 30 min (b) 2 h 30 min (c) 30 min (d) 1 h 40 min
  31. 31.What time will it be 30 minutes after 8:00? (a) 8:30 (b) 9:30 (c) 8:20 (d) 7:30
  32. 32.A film starts at 2:45 and ends at 3:45. How long is the film? (a) 50 min (b) 1 h (c) 2 h (d) 1 h 10 min
  33. 33.What time was it 20 minutes before 2:15? (a) 2:05 (b) 1:55 (c) 1:45 (d) 2:55
  34. 34.A film starts at 1:30 and ends at 3:15. How long is the film? (a) 2 h 45 min (b) 1 h 55 min (c) 1 h 45 min (d) 45 min
  35. 35.What time will it be 45 minutes after 5:35? (a) 7:20 (b) 5:20 (c) 6:10 (d) 6:20
  36. 36.What time will it be 45 minutes after 4:55? (a) 4:40 (b) 6:40 (c) 5:30 (d) 5:40
  37. 37.What time will it be 35 minutes after 3:40? (a) 3:15 (b) 4:05 (c) 5:15 (d) 4:15
  38. 38.What time was it 25 minutes before 3:10? (a) 2:45 (b) 1:45 (c) 2:55 (d) 3:45
  39. 39.What time was it 15 minutes before 5:00? (a) 5:45 (b) 4:45 (c) 3:45 (d) 4:55
  40. 40.A film starts at 1:05 and ends at 3:55. How long is the film? (a) 2 h 50 min (b) 3 h (c) 1 h 50 min (d) 3 h 50 min

Answer key

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

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