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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 66 · 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 55 minutes before 8:10? (a) 8:15 (b) 6:15 (c) 7:15 (d) 7:25
  2. 2.What time was it 50 minutes before 8:35? (a) 8:45 (b) 7:45 (c) 7:55 (d) 6:45
  3. 3.What time was it 40 minutes before 10:55? (a) 11:15 (b) 10:15 (c) 9:15 (d) 10:25
  4. 4.A film starts at 4:05 and ends at 5:20. How long is the film? (a) 1 h 15 min (b) 15 min (c) 1 h 25 min (d) 2 h 15 min
  5. 5.What time will it be 15 minutes after 8:15? (a) 8:30 (b) 9:30 (c) 7:30 (d) 8:20
  6. 6.What time will it be 45 minutes after 9:05? (a) 8:50 (b) 9:40 (c) 9:50 (d) 10:50
  7. 7.A film starts at 5:15 and ends at 6:55. How long is the film? (a) 1 h 50 min (b) 40 min (c) 2 h 40 min (d) 1 h 40 min
  8. 8.What time will it be 30 minutes after 8:55? (a) 10:25 (b) 9:15 (c) 9:25 (d) 8:25
  9. 9.What time was it 40 minutes before 6:50? (a) 7:10 (b) 6:20 (c) 5:10 (d) 6:10
  10. 10.What time will it be 15 minutes after 8:00? (a) 9:15 (b) 8:15 (c) 7:15 (d) 8:05
  11. 11.What time will it be 40 minutes after 10:35? (a) 12:15 (b) 11:15 (c) 11:05 (d) 10:15
  12. 12.What time will it be 55 minutes after 10:15? (a) 10:10 (b) 11:00 (c) 11:10 (d) 12:10
  13. 13.A film starts at 3:05 and ends at 4:25. How long is the film? (a) 1 h 20 min (b) 20 min (c) 1 h 30 min (d) 2 h 20 min
  14. 14.What time was it 30 minutes before 2:25? (a) 2:55 (b) 1:45 (c) 2:05 (d) 1:55
  15. 15.What time will it be 45 minutes after 2:20? (a) 4:05 (b) 2:05 (c) 3:05 (d) 2:55
  16. 16.What time will it be 15 minutes after 9:50? (a) 9:05 (b) 10:05 (c) 11:05 (d) 9:55
  17. 17.What time was it 45 minutes before 11:05? (a) 10:20 (b) 10:30 (c) 9:20 (d) 11:20
  18. 18.A film starts at 1:45 and ends at 3:35. How long is the film? (a) 2 h 50 min (b) 2 h (c) 50 min (d) 1 h 50 min
  19. 19.A film starts at 2:00 and ends at 2:40. How long is the film? (a) 30 min (b) 40 min (c) 50 min (d) 1 h 40 min
  20. 20.What time will it be 25 minutes after 8:55? (a) 9:20 (b) 10:20 (c) 9:10 (d) 8:20
  21. 21.What time will it be 15 minutes after 1:45? (a) 1:00 (b) 1:50 (c) 2:00 (d) 3:00
  22. 22.What time will it be 25 minutes after 4:05? (a) 5:30 (b) 4:20 (c) 4:30 (d) 3:30
  23. 23.What time was it 45 minutes before 4:55? (a) 3:10 (b) 5:10 (c) 4:20 (d) 4:10
  24. 24.What time will it be 20 minutes after 1:00? (a) 1:20 (b) 1:10 (c) 1:30 (d) 2:20
  25. 25.What time was it 30 minutes before 11:50? (a) 10:20 (b) 12:20 (c) 11:30 (d) 11:20
  26. 26.A film starts at 2:40 and ends at 4:50. How long is the film? (a) 1 h 10 min (b) 3 h 10 min (c) 2 h 20 min (d) 2 h 10 min
  27. 27.What time was it 30 minutes before 11:55? (a) 11:35 (b) 12:25 (c) 10:25 (d) 11:25
  28. 28.What time will it be 25 minutes after 4:20? (a) 4:35 (b) 5:45 (c) 4:45 (d) 3:45
  29. 29.A film starts at 3:20 and ends at 6:05. How long is the film? (a) 2 h 45 min (b) 2 h 55 min (c) 3 h 45 min (d) 1 h 45 min
  30. 30.A film starts at 4:35 and ends at 5:20. How long is the film? (a) 1 h 45 min (b) 45 min (c) 55 min (d) 35 min
  31. 31.What time will it be 45 minutes after 7:35? (a) 7:20 (b) 8:20 (c) 8:10 (d) 9:20
  32. 32.What time was it 20 minutes before 4:10? (a) 2:50 (b) 4:50 (c) 4:00 (d) 3:50
  33. 33.What time will it be 15 minutes after 7:40? (a) 8:55 (b) 7:55 (c) 7:45 (d) 6:55
  34. 34.What time was it 25 minutes before 11:00? (a) 10:45 (b) 9:35 (c) 10:35 (d) 11:35
  35. 35.What time will it be 45 minutes after 2:30? (a) 3:15 (b) 4:15 (c) 2:15 (d) 3:05
  36. 36.What time was it 15 minutes before 11:00? (a) 10:45 (b) 9:45 (c) 10:55 (d) 11:45
  37. 37.What time will it be 15 minutes after 9:40? (a) 9:45 (b) 8:55 (c) 9:55 (d) 10:55
  38. 38.What time was it 20 minutes before 6:10? (a) 6:50 (b) 4:50 (c) 6:00 (d) 5:50
  39. 39.A film starts at 6:10 and ends at 7:25. How long is the film? (a) 2 h 15 min (b) 15 min (c) 1 h 25 min (d) 1 h 15 min
  40. 40.What time was it 55 minutes before 4:45? (a) 4:50 (b) 2:50 (c) 4:00 (d) 3:50

Answer key

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

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