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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 614 · 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 was it 15 minutes before 10:00? (a) 8:45 (b) 10:45 (c) 9:55 (d) 9:45
  2. 2.What time was it 15 minutes before 7:00? (a) 7:45 (b) 6:55 (c) 5:45 (d) 6:45
  3. 3.A film starts at 3:15 and ends at 4:40. How long is the film? (a) 1 h 35 min (b) 2 h 25 min (c) 25 min (d) 1 h 25 min
  4. 4.A film starts at 1:20 and ends at 1:45. How long is the film? (a) 1 h 25 min (b) 15 min (c) 25 min (d) 35 min
  5. 5.What time will it be 25 minutes after 3:40? (a) 5:05 (b) 4:05 (c) 3:55 (d) 3:05
  6. 6.What time will it be 20 minutes after 10:10? (a) 10:20 (b) 11:30 (c) 9:30 (d) 10:30
  7. 7.What time will it be 50 minutes after 1:15? (a) 3:05 (b) 2:05 (c) 1:55 (d) 1:05
  8. 8.What time was it 50 minutes before 9:10? (a) 8:20 (b) 8:30 (c) 7:20 (d) 9:20
  9. 9.What time will it be 25 minutes after 10:15? (a) 9:40 (b) 10:40 (c) 11:40 (d) 10:30
  10. 10.What time will it be 55 minutes after 8:30? (a) 10:25 (b) 9:25 (c) 9:15 (d) 8:25
  11. 11.What time was it 55 minutes before 8:15? (a) 7:20 (b) 6:20 (c) 8:20 (d) 7:30
  12. 12.What time will it be 30 minutes after 9:25? (a) 8:55 (b) 10:55 (c) 9:45 (d) 9:55
  13. 13.What time was it 40 minutes before 3:55? (a) 3:15 (b) 4:15 (c) 3:25 (d) 2:15
  14. 14.What time will it be 30 minutes after 9:40? (a) 11:10 (b) 9:10 (c) 10:00 (d) 10:10
  15. 15.What time was it 45 minutes before 9:50? (a) 10:05 (b) 8:05 (c) 9:15 (d) 9:05
  16. 16.What time will it be 50 minutes after 9:50? (a) 9:40 (b) 10:30 (c) 11:40 (d) 10:40
  17. 17.What time will it be 25 minutes after 1:35? (a) 1:50 (b) 2:00 (c) 3:00 (d) 1:00
  18. 18.What time will it be 55 minutes after 2:10? (a) 4:05 (b) 2:05 (c) 2:55 (d) 3:05
  19. 19.What time will it be 35 minutes after 2:30? (a) 2:05 (b) 4:05 (c) 2:55 (d) 3:05
  20. 20.A film starts at 6:00 and ends at 9:00. How long is the film? (a) 4 h (b) 2 h (c) 3 h 10 min (d) 3 h
  21. 21.A film starts at 1:20 and ends at 2:45. How long is the film? (a) 2 h 25 min (b) 1 h 35 min (c) 1 h 25 min (d) 25 min
  22. 22.What time will it be 45 minutes after 8:50? (a) 9:25 (b) 9:35 (c) 10:35 (d) 8:35
  23. 23.What time will it be 45 minutes after 6:20? (a) 7:05 (b) 6:05 (c) 6:55 (d) 8:05
  24. 24.What time will it be 15 minutes after 7:20? (a) 6:35 (b) 8:35 (c) 7:25 (d) 7:35
  25. 25.What time was it 25 minutes before 3:35? (a) 2:10 (b) 3:10 (c) 3:20 (d) 4:10
  26. 26.What time will it be 15 minutes after 8:25? (a) 7:40 (b) 8:30 (c) 8:40 (d) 9:40
  27. 27.A film starts at 1:05 and ends at 2:40. How long is the film? (a) 2 h 35 min (b) 1 h 35 min (c) 35 min (d) 1 h 45 min
  28. 28.A film starts at 7:00 and ends at 7:35. How long is the film? (a) 35 min (b) 1 h 35 min (c) 25 min (d) 45 min
  29. 29.A film starts at 2:30 and ends at 2:55. How long is the film? (a) 1 h 25 min (b) 15 min (c) 35 min (d) 25 min
  30. 30.A film starts at 6:50 and ends at 7:10. How long is the film? (a) 30 min (b) 20 min (c) 10 min (d) 1 h 20 min
  31. 31.A film starts at 5:00 and ends at 7:25. How long is the film? (a) 3 h 25 min (b) 2 h 35 min (c) 1 h 25 min (d) 2 h 25 min
  32. 32.What time will it be 15 minutes after 5:05? (a) 4:20 (b) 5:10 (c) 6:20 (d) 5:20
  33. 33.What time will it be 25 minutes after 9:10? (a) 9:35 (b) 10:35 (c) 8:35 (d) 9:25
  34. 34.What time will it be 25 minutes after 4:55? (a) 5:10 (b) 5:20 (c) 4:20 (d) 6:20
  35. 35.What time was it 20 minutes before 4:10? (a) 4:00 (b) 2:50 (c) 4:50 (d) 3:50
  36. 36.A film starts at 2:15 and ends at 3:45. How long is the film? (a) 30 min (b) 1 h 40 min (c) 2 h 30 min (d) 1 h 30 min
  37. 37.A film starts at 4:40 and ends at 6:30. How long is the film? (a) 50 min (b) 2 h (c) 1 h 50 min (d) 2 h 50 min
  38. 38.What time will it be 20 minutes after 2:25? (a) 1:45 (b) 2:35 (c) 2:45 (d) 3:45
  39. 39.What time will it be 20 minutes after 7:25? (a) 6:45 (b) 8:45 (c) 7:35 (d) 7:45
  40. 40.What time will it be 25 minutes after 1:15? (a) 1:50 (b) 1:40 (c) 1:30 (d) 2:40

Answer key

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

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