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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 543 · 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 8:30? (a) 9:05 (b) 10:15 (c) 9:15 (d) 8:15
  2. 2.What time will it be 45 minutes after 9:55? (a) 9:40 (b) 10:30 (c) 10:40 (d) 11:40
  3. 3.What time will it be 20 minutes after 3:35? (a) 3:45 (b) 2:55 (c) 3:55 (d) 4:55
  4. 4.A film starts at 4:05 and ends at 6:50. How long is the film? (a) 2 h 45 min (b) 2 h 55 min (c) 1 h 45 min (d) 3 h 45 min
  5. 5.What time will it be 30 minutes after 4:25? (a) 4:55 (b) 3:55 (c) 4:45 (d) 5:55
  6. 6.What time was it 50 minutes before 9:20? (a) 9:30 (b) 8:40 (c) 8:30 (d) 7:30
  7. 7.What time was it 25 minutes before 4:50? (a) 4:35 (b) 3:25 (c) 4:25 (d) 5:25
  8. 8.What time will it be 40 minutes after 7:40? (a) 8:20 (b) 9:20 (c) 7:20 (d) 8:10
  9. 9.What time was it 35 minutes before 11:10? (a) 11:35 (b) 9:35 (c) 10:45 (d) 10:35
  10. 10.A film starts at 3:05 and ends at 3:55. How long is the film? (a) 1 h 50 min (b) 40 min (c) 50 min (d) 1 h
  11. 11.What time will it be 35 minutes after 10:35? (a) 10:10 (b) 12:10 (c) 11:10 (d) 11:00
  12. 12.What time was it 15 minutes before 4:20? (a) 3:05 (b) 4:05 (c) 5:05 (d) 4:15
  13. 13.What time will it be 20 minutes after 8:40? (a) 8:00 (b) 10:00 (c) 8:50 (d) 9:00
  14. 14.What time was it 15 minutes before 6:35? (a) 6:30 (b) 6:20 (c) 5:20 (d) 7:20
  15. 15.What time will it be 45 minutes after 10:00? (a) 10:35 (b) 9:45 (c) 11:45 (d) 10:45
  16. 16.What time was it 20 minutes before 4:20? (a) 5:00 (b) 3:00 (c) 4:10 (d) 4:00
  17. 17.What time will it be 30 minutes after 3:05? (a) 2:35 (b) 4:35 (c) 3:25 (d) 3:35
  18. 18.What time will it be 15 minutes after 6:10? (a) 5:25 (b) 6:15 (c) 7:25 (d) 6:25
  19. 19.What time will it be 20 minutes after 2:05? (a) 1:25 (b) 3:25 (c) 2:15 (d) 2:25
  20. 20.What time will it be 35 minutes after 8:00? (a) 8:35 (b) 8:25 (c) 9:35 (d) 7:35
  21. 21.What time will it be 45 minutes after 2:35? (a) 3:10 (b) 4:20 (c) 2:20 (d) 3:20
  22. 22.What time was it 45 minutes before 3:45? (a) 4:00 (b) 3:00 (c) 2:00 (d) 3:10
  23. 23.A film starts at 4:50 and ends at 6:05. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 1 h 25 min (d) 15 min
  24. 24.What time was it 30 minutes before 5:50? (a) 4:20 (b) 6:20 (c) 5:20 (d) 5:30
  25. 25.What time was it 35 minutes before 10:50? (a) 11:15 (b) 10:15 (c) 9:15 (d) 10:25
  26. 26.A film starts at 1:55 and ends at 4:45. How long is the film? (a) 3 h (b) 3 h 50 min (c) 2 h 50 min (d) 1 h 50 min
  27. 27.What time was it 20 minutes before 11:25? (a) 10:05 (b) 12:05 (c) 11:15 (d) 11:05
  28. 28.What time was it 45 minutes before 7:25? (a) 6:40 (b) 7:40 (c) 5:40 (d) 6:50
  29. 29.What time was it 50 minutes before 8:15? (a) 8:25 (b) 6:25 (c) 7:25 (d) 7:35
  30. 30.What time will it be 20 minutes after 1:55? (a) 2:05 (b) 2:15 (c) 1:15 (d) 3:15
  31. 31.A film starts at 8:35 and ends at 10:25. How long is the film? (a) 2 h (b) 1 h 50 min (c) 50 min (d) 2 h 50 min
  32. 32.What time will it be 45 minutes after 6:25? (a) 8:10 (b) 7:00 (c) 6:10 (d) 7:10
  33. 33.What time will it be 20 minutes after 7:00? (a) 8:20 (b) 6:20 (c) 7:10 (d) 7:20
  34. 34.What time was it 25 minutes before 8:55? (a) 8:40 (b) 7:30 (c) 9:30 (d) 8:30
  35. 35.What time will it be 35 minutes after 3:25? (a) 3:50 (b) 3:00 (c) 5:00 (d) 4:00
  36. 36.A film starts at 3:45 and ends at 5:00. How long is the film? (a) 1 h 15 min (b) 2 h 15 min (c) 1 h 25 min (d) 15 min
  37. 37.What time will it be 25 minutes after 8:05? (a) 8:20 (b) 7:30 (c) 9:30 (d) 8:30
  38. 38.What time was it 55 minutes before 5:35? (a) 4:40 (b) 4:50 (c) 3:40 (d) 5:40
  39. 39.A film starts at 7:00 and ends at 7:40. How long is the film? (a) 1 h 40 min (b) 50 min (c) 40 min (d) 30 min
  40. 40.What time was it 50 minutes before 11:55? (a) 12:05 (b) 10:05 (c) 11:15 (d) 11:05

Answer key

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

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