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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 783 · 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 was it 30 minutes before 5:00? (a) 3:30 (b) 4:40 (c) 5:30 (d) 4:30
  2. 2.What time was it 45 minutes before 9:40? (a) 8:55 (b) 7:55 (c) 9:05 (d) 9:55
  3. 3.What time was it 45 minutes before 9:55? (a) 10:10 (b) 8:10 (c) 9:10 (d) 9:20
  4. 4.What time will it be 20 minutes after 3:55? (a) 5:15 (b) 4:15 (c) 4:05 (d) 3:15
  5. 5.What time will it be 20 minutes after 1:50? (a) 1:10 (b) 2:00 (c) 2:10 (d) 3:10
  6. 6.What time was it 20 minutes before 7:25? (a) 6:05 (b) 7:15 (c) 8:05 (d) 7:05
  7. 7.What time will it be 45 minutes after 5:55? (a) 7:40 (b) 6:40 (c) 5:40 (d) 6:30
  8. 8.A film starts at 8:20 and ends at 8:55. How long is the film? (a) 25 min (b) 1 h 35 min (c) 45 min (d) 35 min
  9. 9.What time will it be 30 minutes after 3:40? (a) 4:10 (b) 4:00 (c) 5:10 (d) 3:10
  10. 10.What time will it be 40 minutes after 6:15? (a) 7:55 (b) 5:55 (c) 6:55 (d) 6:45
  11. 11.What time was it 50 minutes before 5:10? (a) 4:20 (b) 5:20 (c) 3:20 (d) 4:30
  12. 12.What time will it be 55 minutes after 10:35? (a) 12:30 (b) 11:30 (c) 10:30 (d) 11:20
  13. 13.A film starts at 4:20 and ends at 5:00. How long is the film? (a) 1 h 40 min (b) 40 min (c) 30 min (d) 50 min
  14. 14.A film starts at 8:10 and ends at 10:15. How long is the film? (a) 1 h 5 min (b) 2 h 15 min (c) 2 h 5 min (d) 3 h 5 min
  15. 15.What time will it be 25 minutes after 8:30? (a) 8:45 (b) 8:55 (c) 9:55 (d) 7:55
  16. 16.What time was it 25 minutes before 9:40? (a) 10:15 (b) 8:15 (c) 9:15 (d) 9:25
  17. 17.What time will it be 45 minutes after 8:30? (a) 8:15 (b) 10:15 (c) 9:05 (d) 9:15
  18. 18.What time will it be 15 minutes after 6:00? (a) 6:05 (b) 6:15 (c) 5:15 (d) 7:15
  19. 19.What time will it be 20 minutes after 10:00? (a) 10:20 (b) 9:20 (c) 10:10 (d) 11:20
  20. 20.What time will it be 50 minutes after 8:50? (a) 8:40 (b) 10:40 (c) 9:40 (d) 9:30
  21. 21.What time was it 50 minutes before 11:10? (a) 10:30 (b) 10:20 (c) 9:20 (d) 11:20
  22. 22.What time was it 35 minutes before 6:20? (a) 5:45 (b) 4:45 (c) 6:45 (d) 5:55
  23. 23.What time was it 15 minutes before 5:10? (a) 5:55 (b) 3:55 (c) 4:55 (d) 5:05
  24. 24.What time will it be 30 minutes after 6:20? (a) 6:40 (b) 6:50 (c) 5:50 (d) 7:50
  25. 25.What time was it 50 minutes before 3:50? (a) 3:10 (b) 4:00 (c) 2:00 (d) 3:00
  26. 26.What time will it be 30 minutes after 4:10? (a) 4:40 (b) 4:30 (c) 5:40 (d) 3:40
  27. 27.A film starts at 4:55 and ends at 7:40. How long is the film? (a) 1 h 45 min (b) 2 h 45 min (c) 3 h 45 min (d) 2 h 55 min
  28. 28.What time will it be 15 minutes after 10:10? (a) 11:25 (b) 10:15 (c) 10:25 (d) 9:25
  29. 29.What time was it 45 minutes before 6:45? (a) 5:00 (b) 7:00 (c) 6:10 (d) 6:00
  30. 30.What time was it 35 minutes before 6:35? (a) 6:10 (b) 5:00 (c) 7:00 (d) 6:00
  31. 31.What time was it 55 minutes before 6:20? (a) 5:25 (b) 5:35 (c) 4:25 (d) 6:25
  32. 32.What time will it be 35 minutes after 7:05? (a) 6:40 (b) 7:30 (c) 7:40 (d) 8:40
  33. 33.A film starts at 2:15 and ends at 4:50. How long is the film? (a) 3 h 35 min (b) 2 h 35 min (c) 2 h 45 min (d) 1 h 35 min
  34. 34.A film starts at 4:25 and ends at 6:05. How long is the film? (a) 1 h 40 min (b) 40 min (c) 1 h 50 min (d) 2 h 40 min
  35. 35.A film starts at 5:10 and ends at 7:00. How long is the film? (a) 2 h 50 min (b) 50 min (c) 1 h 50 min (d) 2 h
  36. 36.A film starts at 2:50 and ends at 5:05. How long is the film? (a) 1 h 15 min (b) 2 h 25 min (c) 2 h 15 min (d) 3 h 15 min
  37. 37.A film starts at 3:50 and ends at 4:20. How long is the film? (a) 1 h 30 min (b) 20 min (c) 40 min (d) 30 min
  38. 38.What time will it be 45 minutes after 9:40? (a) 11:25 (b) 10:25 (c) 10:15 (d) 9:25
  39. 39.A film starts at 3:25 and ends at 3:45. How long is the film? (a) 30 min (b) 10 min (c) 1 h 20 min (d) 20 min
  40. 40.What time was it 30 minutes before 8:05? (a) 7:45 (b) 7:35 (c) 6:35 (d) 8:35

Answer key

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

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