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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 221 · 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 55 minutes after 8:20? (a) 9:15 (b) 9:05 (c) 8:15 (d) 10:15
  2. 2.What time will it be 25 minutes after 1:15? (a) 2:40 (b) 1:40 (c) 1:30 (d) 1:50
  3. 3.What time will it be 30 minutes after 6:15? (a) 6:45 (b) 7:45 (c) 6:35 (d) 5:45
  4. 4.A film starts at 2:30 and ends at 3:30. How long is the film? (a) 50 min (b) 2 h (c) 1 h (d) 1 h 10 min
  5. 5.A film starts at 2:15 and ends at 2:40. How long is the film? (a) 1 h 25 min (b) 35 min (c) 25 min (d) 15 min
  6. 6.What time will it be 30 minutes after 5:05? (a) 4:35 (b) 6:35 (c) 5:25 (d) 5:35
  7. 7.What time was it 35 minutes before 4:00? (a) 4:25 (b) 3:25 (c) 2:25 (d) 3:35
  8. 8.What time will it be 30 minutes after 9:05? (a) 9:25 (b) 10:35 (c) 8:35 (d) 9:35
  9. 9.What time will it be 30 minutes after 3:05? (a) 3:35 (b) 2:35 (c) 4:35 (d) 3:25
  10. 10.A film starts at 4:50 and ends at 5:30. How long is the film? (a) 1 h 40 min (b) 40 min (c) 50 min (d) 30 min
  11. 11.What time was it 25 minutes before 4:35? (a) 4:20 (b) 4:10 (c) 3:10 (d) 5:10
  12. 12.What time was it 55 minutes before 8:20? (a) 8:25 (b) 7:35 (c) 6:25 (d) 7:25
  13. 13.A film starts at 4:55 and ends at 5:55. How long is the film? (a) 1 h 10 min (b) 1 h (c) 50 min (d) 2 h
  14. 14.What time was it 50 minutes before 2:50? (a) 3:00 (b) 2:00 (c) 2:10 (d) 1:00
  15. 15.What time will it be 45 minutes after 1:55? (a) 1:40 (b) 3:40 (c) 2:30 (d) 2:40
  16. 16.What time was it 15 minutes before 5:40? (a) 5:35 (b) 5:25 (c) 4:25 (d) 6:25
  17. 17.What time will it be 55 minutes after 2:15? (a) 4:10 (b) 2:10 (c) 3:00 (d) 3:10
  18. 18.What time was it 35 minutes before 11:50? (a) 12:15 (b) 11:25 (c) 10:15 (d) 11:15
  19. 19.What time will it be 45 minutes after 9:55? (a) 9:40 (b) 10:30 (c) 10:40 (d) 11:40
  20. 20.What time will it be 15 minutes after 6:35? (a) 6:40 (b) 6:50 (c) 5:50 (d) 7:50
  21. 21.What time was it 35 minutes before 5:30? (a) 4:55 (b) 3:55 (c) 5:05 (d) 5:55
  22. 22.What time was it 15 minutes before 7:50? (a) 8:35 (b) 7:35 (c) 7:45 (d) 6:35
  23. 23.A film starts at 3:00 and ends at 5:25. 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.What time will it be 25 minutes after 6:10? (a) 5:35 (b) 6:35 (c) 7:35 (d) 6:25
  25. 25.A film starts at 5:55 and ends at 8:45. How long is the film? (a) 3 h 50 min (b) 2 h 50 min (c) 1 h 50 min (d) 3 h
  26. 26.What time will it be 20 minutes after 9:20? (a) 9:30 (b) 8:40 (c) 9:40 (d) 10:40
  27. 27.What time was it 35 minutes before 7:35? (a) 8:00 (b) 7:00 (c) 6:00 (d) 7:10
  28. 28.What time will it be 55 minutes after 3:35? (a) 3:30 (b) 4:30 (c) 4:20 (d) 5:30
  29. 29.What time was it 15 minutes before 3:15? (a) 4:00 (b) 3:10 (c) 3:00 (d) 2:00
  30. 30.What time will it be 50 minutes after 9:25? (a) 10:15 (b) 11:15 (c) 9:15 (d) 10:05
  31. 31.What time will it be 15 minutes after 10:45? (a) 11:00 (b) 10:00 (c) 10:50 (d) 12:00
  32. 32.What time was it 50 minutes before 7:50? (a) 8:00 (b) 7:00 (c) 7:10 (d) 6:00
  33. 33.What time was it 15 minutes before 7:45? (a) 7:40 (b) 7:30 (c) 6:30 (d) 8:30
  34. 34.What time was it 45 minutes before 4:15? (a) 2:30 (b) 3:40 (c) 4:30 (d) 3:30
  35. 35.What time will it be 20 minutes after 8:25? (a) 9:45 (b) 8:35 (c) 8:45 (d) 7:45
  36. 36.What time will it be 20 minutes after 8:05? (a) 9:25 (b) 8:15 (c) 7:25 (d) 8:25
  37. 37.What time was it 50 minutes before 11:30? (a) 11:40 (b) 10:50 (c) 10:40 (d) 9:40
  38. 38.A film starts at 5:05 and ends at 5:50. How long is the film? (a) 55 min (b) 1 h 45 min (c) 45 min (d) 35 min
  39. 39.What time was it 45 minutes before 9:55? (a) 9:20 (b) 10:10 (c) 9:10 (d) 8:10
  40. 40.A film starts at 1:30 and ends at 2:40. How long is the film? (a) 1 h 20 min (b) 1 h 10 min (c) 2 h 10 min (d) 10 min

Answer key

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

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