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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 526 · 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 20 minutes after 8:10? (a) 8:30 (b) 9:30 (c) 8:20 (d) 7:30
  2. 2.What time will it be 45 minutes after 6:10? (a) 7:55 (b) 6:45 (c) 6:55 (d) 5:55
  3. 3.What time was it 55 minutes before 6:50? (a) 5:55 (b) 6:05 (c) 6:55 (d) 4:55
  4. 4.A film starts at 2:00 and ends at 3:10. How long is the film? (a) 1 h 10 min (b) 10 min (c) 1 h 20 min (d) 2 h 10 min
  5. 5.What time will it be 20 minutes after 1:25? (a) 1:45 (b) 1:55 (c) 1:35 (d) 2:45
  6. 6.A film starts at 4:00 and ends at 6:40. How long is the film? (a) 1 h 40 min (b) 2 h 50 min (c) 3 h 40 min (d) 2 h 40 min
  7. 7.What time will it be 20 minutes after 1:15? (a) 1:25 (b) 1:35 (c) 2:35 (d) 1:45
  8. 8.A film starts at 7:20 and ends at 8:10. How long is the film? (a) 50 min (b) 1 h (c) 40 min (d) 1 h 50 min
  9. 9.A film starts at 4:25 and ends at 5:45. How long is the film? (a) 1 h 20 min (b) 20 min (c) 1 h 30 min (d) 2 h 20 min
  10. 10.A film starts at 2:15 and ends at 4:10. How long is the film? (a) 2 h 5 min (b) 55 min (c) 2 h 55 min (d) 1 h 55 min
  11. 11.What time will it be 20 minutes after 9:45? (a) 9:55 (b) 11:05 (c) 10:05 (d) 9:05
  12. 12.A film starts at 4:55 and ends at 5:50. How long is the film? (a) 55 min (b) 45 min (c) 1 h 55 min (d) 1 h 5 min
  13. 13.What time will it be 55 minutes after 10:40? (a) 11:35 (b) 11:25 (c) 12:35 (d) 10:35
  14. 14.What time was it 45 minutes before 2:45? (a) 3:00 (b) 2:00 (c) 1:00 (d) 2:10
  15. 15.What time was it 40 minutes before 3:05? (a) 2:35 (b) 3:25 (c) 1:25 (d) 2:25
  16. 16.A film starts at 3:00 and ends at 4:20. How long is the film? (a) 2 h 20 min (b) 1 h 30 min (c) 20 min (d) 1 h 20 min
  17. 17.What time was it 40 minutes before 4:05? (a) 4:25 (b) 2:25 (c) 3:35 (d) 3:25
  18. 18.What time was it 30 minutes before 10:15? (a) 10:45 (b) 8:45 (c) 9:45 (d) 9:55
  19. 19.A film starts at 2:30 and ends at 4:55. How long is the film? (a) 2 h 25 min (b) 1 h 25 min (c) 2 h 35 min (d) 3 h 25 min
  20. 20.What time will it be 15 minutes after 9:50? (a) 9:05 (b) 11:05 (c) 10:05 (d) 9:55
  21. 21.What time will it be 20 minutes after 3:40? (a) 3:00 (b) 3:50 (c) 5:00 (d) 4:00
  22. 22.What time will it be 20 minutes after 10:00? (a) 10:10 (b) 9:20 (c) 10:20 (d) 11:20
  23. 23.A film starts at 7:05 and ends at 10:05. How long is the film? (a) 4 h (b) 3 h 10 min (c) 3 h (d) 2 h
  24. 24.What time was it 30 minutes before 2:35? (a) 1:05 (b) 2:05 (c) 2:15 (d) 3:05
  25. 25.What time will it be 15 minutes after 2:35? (a) 2:50 (b) 1:50 (c) 3:50 (d) 2:40
  26. 26.What time will it be 15 minutes after 6:55? (a) 7:00 (b) 6:10 (c) 7:10 (d) 8:10
  27. 27.A film starts at 7:00 and ends at 8:10. How long is the film? (a) 1 h 10 min (b) 2 h 10 min (c) 10 min (d) 1 h 20 min
  28. 28.A film starts at 8:45 and ends at 10:50. How long is the film? (a) 2 h 5 min (b) 1 h 5 min (c) 3 h 5 min (d) 2 h 15 min
  29. 29.What time will it be 45 minutes after 1:15? (a) 3:00 (b) 1:50 (c) 2:00 (d) 1:00
  30. 30.A film starts at 8:05 and ends at 10:20. How long is the film? (a) 2 h 25 min (b) 1 h 15 min (c) 2 h 15 min (d) 3 h 15 min
  31. 31.What time will it be 15 minutes after 9:40? (a) 9:55 (b) 9:45 (c) 10:55 (d) 8:55
  32. 32.A film starts at 4:50 and ends at 5:20. How long is the film? (a) 30 min (b) 20 min (c) 40 min (d) 1 h 30 min
  33. 33.What time will it be 25 minutes after 6:55? (a) 8:20 (b) 6:20 (c) 7:20 (d) 7:10
  34. 34.A film starts at 5:15 and ends at 8:00. How long is the film? (a) 1 h 45 min (b) 3 h 45 min (c) 2 h 55 min (d) 2 h 45 min
  35. 35.What time was it 20 minutes before 4:10? (a) 3:50 (b) 4:50 (c) 2:50 (d) 4:00
  36. 36.What time will it be 15 minutes after 6:05? (a) 7:20 (b) 6:10 (c) 6:20 (d) 5:20
  37. 37.What time was it 20 minutes before 6:40? (a) 6:30 (b) 7:20 (c) 5:20 (d) 6:20
  38. 38.What time will it be 50 minutes after 3:55? (a) 3:45 (b) 4:35 (c) 4:45 (d) 5:45
  39. 39.A film starts at 7:15 and ends at 8:10. How long is the film? (a) 1 h 55 min (b) 1 h 5 min (c) 45 min (d) 55 min
  40. 40.A film starts at 2:05 and ends at 4:20. How long is the film? (a) 2 h 25 min (b) 3 h 15 min (c) 2 h 15 min (d) 1 h 15 min

Answer key

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

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