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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 730 · 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 50 minutes after 10:15? (a) 11:05 (b) 10:55 (c) 12:05 (d) 10:05
  2. 2.What time was it 30 minutes before 8:45? (a) 9:15 (b) 7:15 (c) 8:15 (d) 8:25
  3. 3.What time will it be 25 minutes after 2:00? (a) 1:25 (b) 3:25 (c) 2:25 (d) 2:15
  4. 4.What time will it be 15 minutes after 7:00? (a) 8:15 (b) 7:15 (c) 7:05 (d) 6:15
  5. 5.What time was it 20 minutes before 4:15? (a) 4:55 (b) 4:05 (c) 3:55 (d) 2:55
  6. 6.A film starts at 4:35 and ends at 6:40. How long is the film? (a) 2 h 5 min (b) 2 h 15 min (c) 1 h 5 min (d) 3 h 5 min
  7. 7.What time will it be 55 minutes after 5:15? (a) 6:00 (b) 7:10 (c) 5:10 (d) 6:10
  8. 8.What time was it 35 minutes before 3:15? (a) 1:40 (b) 2:50 (c) 3:40 (d) 2:40
  9. 9.What time was it 40 minutes before 2:40? (a) 1:00 (b) 2:10 (c) 3:00 (d) 2:00
  10. 10.What time was it 45 minutes before 6:15? (a) 4:30 (b) 6:30 (c) 5:30 (d) 5:40
  11. 11.What time was it 55 minutes before 2:35? (a) 1:50 (b) 1:40 (c) 1:30 (d) 2:40
  12. 12.A film starts at 1:00 and ends at 3:00. How long is the film? (a) 1 h (b) 3 h (c) 2 h 10 min (d) 2 h
  13. 13.What time will it be 20 minutes after 4:10? (a) 5:30 (b) 4:30 (c) 3:30 (d) 4:20
  14. 14.What time was it 20 minutes before 10:25? (a) 10:15 (b) 11:05 (c) 10:05 (d) 9:05
  15. 15.A film starts at 7:25 and ends at 9:35. How long is the film? (a) 2 h 20 min (b) 2 h 10 min (c) 3 h 10 min (d) 1 h 10 min
  16. 16.What time was it 55 minutes before 8:10? (a) 8:15 (b) 6:15 (c) 7:15 (d) 7:25
  17. 17.What time will it be 45 minutes after 6:55? (a) 7:30 (b) 8:40 (c) 6:40 (d) 7:40
  18. 18.A film starts at 5:50 and ends at 8:50. How long is the film? (a) 4 h (b) 2 h (c) 3 h 10 min (d) 3 h
  19. 19.What time was it 50 minutes before 7:40? (a) 7:50 (b) 7:00 (c) 5:50 (d) 6:50
  20. 20.What time was it 55 minutes before 10:35? (a) 8:40 (b) 9:40 (c) 9:50 (d) 10:40
  21. 21.A film starts at 1:05 and ends at 3:15. How long is the film? (a) 2 h 20 min (b) 3 h 10 min (c) 2 h 10 min (d) 1 h 10 min
  22. 22.What time will it be 15 minutes after 3:05? (a) 3:10 (b) 2:20 (c) 3:20 (d) 4:20
  23. 23.What time was it 45 minutes before 10:35? (a) 9:50 (b) 10:00 (c) 8:50 (d) 10:50
  24. 24.A film starts at 5:50 and ends at 7:35. How long is the film? (a) 2 h 45 min (b) 45 min (c) 1 h 45 min (d) 1 h 55 min
  25. 25.A film starts at 8:30 and ends at 9:00. How long is the film? (a) 40 min (b) 1 h 30 min (c) 20 min (d) 30 min
  26. 26.A film starts at 4:30 and ends at 7:15. 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
  27. 27.A film starts at 1:55 and ends at 2:25. How long is the film? (a) 20 min (b) 1 h 30 min (c) 30 min (d) 40 min
  28. 28.What time will it be 20 minutes after 3:55? (a) 3:15 (b) 4:15 (c) 5:15 (d) 4:05
  29. 29.What time will it be 45 minutes after 9:35? (a) 9:20 (b) 10:20 (c) 11:20 (d) 10:10
  30. 30.What time will it be 40 minutes after 2:20? (a) 2:50 (b) 2:00 (c) 3:00 (d) 4:00
  31. 31.What time will it be 15 minutes after 5:20? (a) 4:35 (b) 6:35 (c) 5:35 (d) 5:25
  32. 32.What time was it 15 minutes before 6:45? (a) 6:40 (b) 5:30 (c) 7:30 (d) 6:30
  33. 33.A film starts at 6:10 and ends at 7:00. How long is the film? (a) 1 h 50 min (b) 50 min (c) 40 min (d) 1 h
  34. 34.What time will it be 30 minutes after 4:40? (a) 5:10 (b) 4:10 (c) 5:00 (d) 6:10
  35. 35.What time will it be 40 minutes after 10:20? (a) 10:50 (b) 11:00 (c) 10:00 (d) 12:00
  36. 36.What time will it be 50 minutes after 3:10? (a) 5:00 (b) 3:00 (c) 3:50 (d) 4:00
  37. 37.A film starts at 8:25 and ends at 10:20. How long is the film? (a) 55 min (b) 2 h 5 min (c) 2 h 55 min (d) 1 h 55 min
  38. 38.A film starts at 2:15 and ends at 3:40. How long is the film? (a) 1 h 25 min (b) 25 min (c) 1 h 35 min (d) 2 h 25 min
  39. 39.What time will it be 55 minutes after 2:25? (a) 3:10 (b) 2:20 (c) 3:20 (d) 4:20
  40. 40.What time will it be 45 minutes after 4:55? (a) 6:40 (b) 5:40 (c) 5:30 (d) 4:40

Answer key

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

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