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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 408 · 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 8:15? (a) 10:00 (b) 9:00 (c) 8:50 (d) 8:00
  2. 2.What time will it be 55 minutes after 10:20? (a) 12:15 (b) 11:15 (c) 10:15 (d) 11:05
  3. 3.What time will it be 45 minutes after 10:55? (a) 10:40 (b) 11:40 (c) 11:30 (d) 12:40
  4. 4.What time will it be 20 minutes after 8:25? (a) 7:45 (b) 9:45 (c) 8:45 (d) 8:35
  5. 5.What time was it 20 minutes before 4:30? (a) 4:10 (b) 5:10 (c) 3:10 (d) 4:20
  6. 6.What time will it be 25 minutes after 5:25? (a) 6:50 (b) 5:50 (c) 5:40 (d) 4:50
  7. 7.A film starts at 6:05 and ends at 8:05. How long is the film? (a) 1 h (b) 2 h 10 min (c) 3 h (d) 2 h
  8. 8.What time was it 50 minutes before 7:35? (a) 5:45 (b) 6:55 (c) 7:45 (d) 6:45
  9. 9.A film starts at 3:20 and ends at 5:10. How long is the film? (a) 2 h (b) 50 min (c) 1 h 50 min (d) 2 h 50 min
  10. 10.What time was it 50 minutes before 8:15? (a) 6:25 (b) 7:35 (c) 8:25 (d) 7:25
  11. 11.What time was it 55 minutes before 11:45? (a) 9:50 (b) 10:50 (c) 11:50 (d) 11:00
  12. 12.A film starts at 2:25 and ends at 5:25. How long is the film? (a) 3 h 10 min (b) 3 h (c) 4 h (d) 2 h
  13. 13.What time was it 15 minutes before 11:10? (a) 9:55 (b) 10:55 (c) 11:05 (d) 11:55
  14. 14.What time was it 45 minutes before 7:00? (a) 6:15 (b) 5:15 (c) 7:15 (d) 6:25
  15. 15.What time will it be 15 minutes after 8:35? (a) 7:50 (b) 9:50 (c) 8:50 (d) 8:40
  16. 16.What time will it be 55 minutes after 1:50? (a) 1:45 (b) 2:45 (c) 3:45 (d) 2:35
  17. 17.What time will it be 20 minutes after 5:45? (a) 5:55 (b) 7:05 (c) 5:05 (d) 6:05
  18. 18.What time will it be 35 minutes after 8:15? (a) 8:50 (b) 9:50 (c) 8:40 (d) 7:50
  19. 19.A film starts at 7:45 and ends at 8:40. How long is the film? (a) 55 min (b) 1 h 55 min (c) 1 h 5 min (d) 45 min
  20. 20.What time will it be 50 minutes after 7:25? (a) 9:15 (b) 7:15 (c) 8:15 (d) 8:05
  21. 21.What time was it 30 minutes before 10:55? (a) 11:25 (b) 10:35 (c) 9:25 (d) 10:25
  22. 22.What time will it be 55 minutes after 6:10? (a) 6:05 (b) 8:05 (c) 6:55 (d) 7:05
  23. 23.What time will it be 20 minutes after 7:40? (a) 8:00 (b) 7:50 (c) 9:00 (d) 7:00
  24. 24.What time was it 25 minutes before 11:30? (a) 12:05 (b) 10:05 (c) 11:15 (d) 11:05
  25. 25.What time will it be 55 minutes after 6:40? (a) 7:25 (b) 7:35 (c) 6:35 (d) 8:35
  26. 26.What time was it 55 minutes before 8:00? (a) 8:05 (b) 7:05 (c) 6:05 (d) 7:15
  27. 27.What time will it be 25 minutes after 6:55? (a) 8:20 (b) 6:20 (c) 7:20 (d) 7:10
  28. 28.A film starts at 2:55 and ends at 4:25. How long is the film? (a) 1 h 40 min (b) 30 min (c) 1 h 30 min (d) 2 h 30 min
  29. 29.A film starts at 3:35 and ends at 4:40. How long is the film? (a) 1 h 15 min (b) 5 min (c) 1 h 5 min (d) 2 h 5 min
  30. 30.A film starts at 6:35 and ends at 7:45. How long is the film? (a) 2 h 10 min (b) 1 h 20 min (c) 10 min (d) 1 h 10 min
  31. 31.What time will it be 45 minutes after 6:20? (a) 6:55 (b) 7:05 (c) 8:05 (d) 6:05
  32. 32.What time was it 15 minutes before 11:25? (a) 10:10 (b) 12:10 (c) 11:20 (d) 11:10
  33. 33.A film starts at 4:10 and ends at 6:05. How long is the film? (a) 55 min (b) 1 h 55 min (c) 2 h 5 min (d) 2 h 55 min
  34. 34.A film starts at 6:35 and ends at 7:35. How long is the film? (a) 2 h (b) 1 h (c) 50 min (d) 1 h 10 min
  35. 35.A film starts at 5:10 and ends at 7:35. How long is the film? (a) 1 h 25 min (b) 2 h 25 min (c) 3 h 25 min (d) 2 h 35 min
  36. 36.What time will it be 40 minutes after 3:15? (a) 3:45 (b) 3:55 (c) 4:55 (d) 2:55
  37. 37.What time was it 55 minutes before 8:20? (a) 7:35 (b) 8:25 (c) 6:25 (d) 7:25
  38. 38.What time will it be 40 minutes after 6:35? (a) 7:05 (b) 7:15 (c) 8:15 (d) 6:15
  39. 39.What time will it be 15 minutes after 2:20? (a) 3:35 (b) 2:25 (c) 1:35 (d) 2:35
  40. 40.What time will it be 45 minutes after 6:50? (a) 6:35 (b) 7:35 (c) 8:35 (d) 7:25

Answer key

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

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