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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 147 · 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 15 minutes after 8:05? (a) 8:10 (b) 8:20 (c) 7:20 (d) 9:20
  2. 2.What time will it be 45 minutes after 6:50? (a) 7:25 (b) 8:35 (c) 7:35 (d) 6:35
  3. 3.What time will it be 30 minutes after 1:55? (a) 1:25 (b) 2:25 (c) 3:25 (d) 2:15
  4. 4.What time was it 30 minutes before 3:20? (a) 1:50 (b) 2:50 (c) 3:50 (d) 3:00
  5. 5.What time was it 55 minutes before 6:00? (a) 6:05 (b) 5:15 (c) 4:05 (d) 5:05
  6. 6.A film starts at 7:30 and ends at 8:15. How long is the film? (a) 55 min (b) 45 min (c) 35 min (d) 1 h 45 min
  7. 7.What time will it be 25 minutes after 5:50? (a) 5:15 (b) 7:15 (c) 6:15 (d) 6:05
  8. 8.What time was it 35 minutes before 6:15? (a) 4:40 (b) 6:40 (c) 5:40 (d) 5:50
  9. 9.What time will it be 20 minutes after 7:10? (a) 7:20 (b) 8:30 (c) 6:30 (d) 7:30
  10. 10.A film starts at 7:40 and ends at 8:05. How long is the film? (a) 15 min (b) 1 h 25 min (c) 25 min (d) 35 min
  11. 11.What time will it be 50 minutes after 6:40? (a) 7:20 (b) 6:30 (c) 8:30 (d) 7:30
  12. 12.What time will it be 15 minutes after 3:05? (a) 2:20 (b) 3:10 (c) 4:20 (d) 3:20
  13. 13.What time will it be 35 minutes after 7:35? (a) 7:10 (b) 8:00 (c) 8:10 (d) 9:10
  14. 14.What time will it be 50 minutes after 8:15? (a) 8:55 (b) 10:05 (c) 8:05 (d) 9:05
  15. 15.What time will it be 25 minutes after 4:40? (a) 6:05 (b) 4:55 (c) 4:05 (d) 5:05
  16. 16.What time will it be 35 minutes after 9:25? (a) 10:00 (b) 11:00 (c) 9:50 (d) 9:00
  17. 17.What time was it 35 minutes before 2:35? (a) 2:10 (b) 2:00 (c) 1:00 (d) 3:00
  18. 18.What time was it 55 minutes before 2:05? (a) 1:00 (b) 1:20 (c) 2:10 (d) 1:10
  19. 19.What time will it be 35 minutes after 2:05? (a) 2:30 (b) 1:40 (c) 2:40 (d) 3:40
  20. 20.A film starts at 3:40 and ends at 5:25. How long is the film? (a) 2 h 45 min (b) 1 h 55 min (c) 45 min (d) 1 h 45 min
  21. 21.What time will it be 25 minutes after 10:55? (a) 12:20 (b) 10:20 (c) 11:20 (d) 11:10
  22. 22.What time was it 55 minutes before 9:20? (a) 8:25 (b) 8:35 (c) 9:25 (d) 7:25
  23. 23.What time was it 15 minutes before 11:20? (a) 10:05 (b) 11:15 (c) 12:05 (d) 11:05
  24. 24.What time will it be 35 minutes after 5:50? (a) 6:25 (b) 7:25 (c) 6:15 (d) 5:25
  25. 25.A film starts at 4:30 and ends at 5:55. How long is the film? (a) 25 min (b) 1 h 35 min (c) 1 h 25 min (d) 2 h 25 min
  26. 26.What time will it be 25 minutes after 10:10? (a) 10:35 (b) 11:35 (c) 10:25 (d) 9:35
  27. 27.What time will it be 45 minutes after 10:45? (a) 11:20 (b) 12:30 (c) 11:30 (d) 10:30
  28. 28.What time will it be 20 minutes after 5:00? (a) 5:10 (b) 6:20 (c) 4:20 (d) 5:20
  29. 29.What time was it 15 minutes before 8:10? (a) 8:55 (b) 6:55 (c) 7:55 (d) 8:05
  30. 30.What time will it be 35 minutes after 4:10? (a) 4:35 (b) 4:45 (c) 3:45 (d) 5:45
  31. 31.A film starts at 1:10 and ends at 2:05. How long is the film? (a) 55 min (b) 45 min (c) 1 h 55 min (d) 1 h 5 min
  32. 32.A film starts at 5:10 and ends at 6:55. How long is the film? (a) 1 h 45 min (b) 45 min (c) 2 h 45 min (d) 1 h 55 min
  33. 33.What time will it be 35 minutes after 9:40? (a) 9:15 (b) 11:15 (c) 10:05 (d) 10:15
  34. 34.What time was it 15 minutes before 4:10? (a) 3:55 (b) 4:05 (c) 2:55 (d) 4:55
  35. 35.A film starts at 7:35 and ends at 10:10. How long is the film? (a) 1 h 35 min (b) 2 h 45 min (c) 2 h 35 min (d) 3 h 35 min
  36. 36.What time will it be 40 minutes after 10:40? (a) 10:20 (b) 12:20 (c) 11:10 (d) 11:20
  37. 37.What time will it be 15 minutes after 7:20? (a) 8:35 (b) 7:25 (c) 7:35 (d) 6:35
  38. 38.What time was it 45 minutes before 3:50? (a) 2:05 (b) 4:05 (c) 3:15 (d) 3:05
  39. 39.A film starts at 6:00 and ends at 8:45. How long is the film? (a) 3 h 45 min (b) 2 h 55 min (c) 2 h 45 min (d) 1 h 45 min
  40. 40.A film starts at 7:50 and ends at 9:50. How long is the film? (a) 1 h (b) 2 h 10 min (c) 2 h (d) 3 h

Answer key

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

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