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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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