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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 647 · 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 10:30? (a) 9:50 (b) 11:50 (c) 10:40 (d) 10:50
  2. 2.What time will it be 45 minutes after 4:55? (a) 5:30 (b) 5:40 (c) 6:40 (d) 4:40
  3. 3.A film starts at 8:10 and ends at 10:05. How long is the film? (a) 2 h 5 min (b) 2 h 55 min (c) 1 h 55 min (d) 55 min
  4. 4.A film starts at 1:20 and ends at 3:45. How long is the film? (a) 3 h 25 min (b) 1 h 25 min (c) 2 h 35 min (d) 2 h 25 min
  5. 5.What time was it 15 minutes before 11:55? (a) 11:40 (b) 10:40 (c) 12:40 (d) 11:50
  6. 6.What time will it be 30 minutes after 4:00? (a) 5:30 (b) 4:20 (c) 4:30 (d) 3:30
  7. 7.A film starts at 1:20 and ends at 3:40. How long is the film? (a) 3 h 20 min (b) 2 h 30 min (c) 2 h 20 min (d) 1 h 20 min
  8. 8.What time was it 40 minutes before 8:10? (a) 8:30 (b) 7:40 (c) 6:30 (d) 7:30
  9. 9.What time will it be 40 minutes after 5:15? (a) 6:55 (b) 5:55 (c) 4:55 (d) 5:45
  10. 10.A film starts at 3:20 and ends at 4:30. How long is the film? (a) 1 h 10 min (b) 2 h 10 min (c) 1 h 20 min (d) 10 min
  11. 11.What time was it 30 minutes before 10:55? (a) 11:25 (b) 9:25 (c) 10:35 (d) 10:25
  12. 12.What time will it be 40 minutes after 3:15? (a) 4:55 (b) 2:55 (c) 3:55 (d) 3:45
  13. 13.What time was it 20 minutes before 10:10? (a) 9:50 (b) 10:00 (c) 8:50 (d) 10:50
  14. 14.What time will it be 50 minutes after 1:40? (a) 2:20 (b) 1:30 (c) 3:30 (d) 2:30
  15. 15.What time will it be 35 minutes after 9:35? (a) 10:10 (b) 11:10 (c) 10:00 (d) 9:10
  16. 16.A film starts at 5:15 and ends at 7:00. How long is the film? (a) 1 h 45 min (b) 45 min (c) 1 h 55 min (d) 2 h 45 min
  17. 17.A film starts at 1:45 and ends at 2:20. How long is the film? (a) 45 min (b) 25 min (c) 1 h 35 min (d) 35 min
  18. 18.A film starts at 5:25 and ends at 6:10. How long is the film? (a) 55 min (b) 35 min (c) 45 min (d) 1 h 45 min
  19. 19.What time will it be 35 minutes after 2:00? (a) 2:35 (b) 2:25 (c) 1:35 (d) 3:35
  20. 20.What time was it 35 minutes before 11:35? (a) 11:00 (b) 11:10 (c) 10:00 (d) 12:00
  21. 21.What time will it be 15 minutes after 1:55? (a) 1:10 (b) 3:10 (c) 2:10 (d) 2:00
  22. 22.A film starts at 3:30 and ends at 6:15. How long is the film? (a) 2 h 55 min (b) 3 h 45 min (c) 2 h 45 min (d) 1 h 45 min
  23. 23.What time was it 30 minutes before 6:15? (a) 4:45 (b) 6:45 (c) 5:55 (d) 5:45
  24. 24.What time was it 30 minutes before 4:15? (a) 3:45 (b) 3:55 (c) 4:45 (d) 2:45
  25. 25.A film starts at 4:10 and ends at 7:00. How long is the film? (a) 2 h 50 min (b) 3 h (c) 3 h 50 min (d) 1 h 50 min
  26. 26.What time was it 45 minutes before 10:55? (a) 11:10 (b) 10:20 (c) 10:10 (d) 9:10
  27. 27.What time will it be 40 minutes after 6:30? (a) 7:00 (b) 6:10 (c) 7:10 (d) 8:10
  28. 28.A film starts at 6:05 and ends at 8:50. How long is the film? (a) 2 h 55 min (b) 2 h 45 min (c) 1 h 45 min (d) 3 h 45 min
  29. 29.What time was it 35 minutes before 7:15? (a) 6:50 (b) 7:40 (c) 5:40 (d) 6:40
  30. 30.What time will it be 30 minutes after 7:55? (a) 8:15 (b) 7:25 (c) 9:25 (d) 8:25
  31. 31.A film starts at 2:40 and ends at 4:15. How long is the film? (a) 35 min (b) 1 h 45 min (c) 2 h 35 min (d) 1 h 35 min
  32. 32.What time was it 45 minutes before 2:05? (a) 1:20 (b) 1:10 (c) 1:30 (d) 2:20
  33. 33.What time was it 30 minutes before 11:15? (a) 10:55 (b) 9:45 (c) 11:45 (d) 10:45
  34. 34.What time was it 20 minutes before 2:25? (a) 2:15 (b) 3:05 (c) 2:05 (d) 1:05
  35. 35.What time will it be 20 minutes after 8:10? (a) 8:20 (b) 9:30 (c) 8:30 (d) 7:30
  36. 36.What time was it 30 minutes before 8:35? (a) 7:05 (b) 9:05 (c) 8:05 (d) 8:15
  37. 37.What time was it 45 minutes before 11:15? (a) 10:40 (b) 11:30 (c) 9:30 (d) 10:30
  38. 38.What time will it be 50 minutes after 2:55? (a) 3:45 (b) 3:35 (c) 4:45 (d) 2:45
  39. 39.What time was it 35 minutes before 10:10? (a) 9:45 (b) 10:35 (c) 9:35 (d) 8:35
  40. 40.A film starts at 2:05 and ends at 3:45. How long is the film? (a) 1 h 50 min (b) 2 h 40 min (c) 40 min (d) 1 h 40 min

Answer key

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

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