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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 323 · 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 45 minutes before 7:25? (a) 7:40 (b) 5:40 (c) 6:50 (d) 6:40
  2. 2.What time was it 45 minutes before 7:15? (a) 7:30 (b) 6:40 (c) 5:30 (d) 6:30
  3. 3.What time was it 30 minutes before 9:20? (a) 9:50 (b) 7:50 (c) 8:50 (d) 9:00
  4. 4.What time will it be 50 minutes after 5:15? (a) 6:05 (b) 5:05 (c) 7:05 (d) 5:55
  5. 5.What time was it 55 minutes before 7:50? (a) 5:55 (b) 7:55 (c) 6:55 (d) 7:05
  6. 6.What time was it 35 minutes before 7:25? (a) 7:50 (b) 7:00 (c) 5:50 (d) 6:50
  7. 7.What time will it be 35 minutes after 4:10? (a) 4:45 (b) 4:35 (c) 3:45 (d) 5:45
  8. 8.What time was it 30 minutes before 5:40? (a) 4:10 (b) 6:10 (c) 5:10 (d) 5:20
  9. 9.A film starts at 2:30 and ends at 5:25. How long is the film? (a) 1 h 55 min (b) 3 h 5 min (c) 3 h 55 min (d) 2 h 55 min
  10. 10.A film starts at 7:05 and ends at 9:55. How long is the film? (a) 3 h (b) 2 h 50 min (c) 1 h 50 min (d) 3 h 50 min
  11. 11.What time will it be 55 minutes after 7:00? (a) 6:55 (b) 7:55 (c) 7:45 (d) 8:55
  12. 12.A film starts at 5:30 and ends at 6:00. How long is the film? (a) 30 min (b) 20 min (c) 40 min (d) 1 h 30 min
  13. 13.A film starts at 7:45 and ends at 9:40. How long is the film? (a) 55 min (b) 1 h 55 min (c) 2 h 5 min (d) 2 h 55 min
  14. 14.What time was it 55 minutes before 10:15? (a) 9:20 (b) 10:20 (c) 9:30 (d) 8:20
  15. 15.What time will it be 55 minutes after 1:00? (a) 2:55 (b) 2:05 (c) 1:45 (d) 1:55
  16. 16.A film starts at 6:20 and ends at 6:45. How long is the film? (a) 25 min (b) 15 min (c) 1 h 25 min (d) 35 min
  17. 17.What time was it 35 minutes before 8:45? (a) 9:10 (b) 8:10 (c) 7:10 (d) 8:20
  18. 18.A film starts at 8:00 and ends at 9:15. How long is the film? (a) 2 h 15 min (b) 1 h 25 min (c) 1 h 15 min (d) 15 min
  19. 19.What time was it 40 minutes before 11:05? (a) 11:25 (b) 10:35 (c) 10:25 (d) 9:25
  20. 20.What time was it 35 minutes before 8:40? (a) 8:05 (b) 7:05 (c) 8:15 (d) 9:05
  21. 21.A film starts at 4:15 and ends at 4:45. How long is the film? (a) 1 h 30 min (b) 30 min (c) 40 min (d) 20 min
  22. 22.What time will it be 35 minutes after 6:55? (a) 8:30 (b) 7:20 (c) 6:30 (d) 7:30
  23. 23.A film starts at 4:50 and ends at 5:35. How long is the film? (a) 1 h 45 min (b) 55 min (c) 45 min (d) 35 min
  24. 24.What time was it 20 minutes before 9:15? (a) 7:55 (b) 9:05 (c) 8:55 (d) 9:55
  25. 25.What time will it be 35 minutes after 5:15? (a) 5:50 (b) 6:50 (c) 5:40 (d) 4:50
  26. 26.What time will it be 40 minutes after 4:40? (a) 5:20 (b) 5:10 (c) 4:20 (d) 6:20
  27. 27.What time will it be 35 minutes after 9:20? (a) 9:55 (b) 9:45 (c) 8:55 (d) 10:55
  28. 28.What time will it be 20 minutes after 4:35? (a) 4:45 (b) 4:55 (c) 3:55 (d) 5:55
  29. 29.What time was it 15 minutes before 10:10? (a) 10:05 (b) 9:55 (c) 8:55 (d) 10:55
  30. 30.What time was it 15 minutes before 5:20? (a) 4:05 (b) 6:05 (c) 5:15 (d) 5:05
  31. 31.A film starts at 1:00 and ends at 2:05. How long is the film? (a) 1 h 5 min (b) 1 h 15 min (c) 2 h 5 min (d) 5 min
  32. 32.What time will it be 45 minutes after 5:05? (a) 4:50 (b) 6:50 (c) 5:50 (d) 5:40
  33. 33.What time will it be 35 minutes after 5:25? (a) 5:00 (b) 6:00 (c) 5:50 (d) 7:00
  34. 34.What time was it 25 minutes before 3:00? (a) 1:35 (b) 3:35 (c) 2:45 (d) 2:35
  35. 35.A film starts at 8:45 and ends at 10:55. How long is the film? (a) 2 h 10 min (b) 1 h 10 min (c) 2 h 20 min (d) 3 h 10 min
  36. 36.What time will it be 55 minutes after 4:30? (a) 4:25 (b) 5:25 (c) 5:15 (d) 6:25
  37. 37.What time was it 25 minutes before 4:00? (a) 4:35 (b) 2:35 (c) 3:35 (d) 3:45
  38. 38.What time will it be 35 minutes after 2:00? (a) 2:25 (b) 3:35 (c) 2:35 (d) 1:35
  39. 39.What time was it 50 minutes before 7:20? (a) 7:30 (b) 6:40 (c) 5:30 (d) 6:30
  40. 40.A film starts at 6:40 and ends at 8:10. How long is the film? (a) 30 min (b) 2 h 30 min (c) 1 h 30 min (d) 1 h 40 min

Answer key

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

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