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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 251 · 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 2:25? (a) 2:40 (b) 1:40 (c) 2:30 (d) 3:40
  2. 2.What time was it 15 minutes before 2:50? (a) 1:35 (b) 3:35 (c) 2:45 (d) 2:35
  3. 3.What time will it be 35 minutes after 2:00? (a) 1:35 (b) 3:35 (c) 2:25 (d) 2:35
  4. 4.What time was it 45 minutes before 7:00? (a) 7:15 (b) 6:15 (c) 5:15 (d) 6:25
  5. 5.What time will it be 35 minutes after 1:00? (a) 1:35 (b) 1:25 (c) 2:35 (d) 1:45
  6. 6.What time will it be 20 minutes after 3:50? (a) 4:00 (b) 4:10 (c) 3:10 (d) 5:10
  7. 7.What time will it be 20 minutes after 9:35? (a) 9:45 (b) 9:55 (c) 8:55 (d) 10:55
  8. 8.What time will it be 40 minutes after 1:40? (a) 2:20 (b) 1:20 (c) 3:20 (d) 2:10
  9. 9.A film starts at 5:10 and ends at 7:35. How long is the film? (a) 2 h 35 min (b) 1 h 25 min (c) 2 h 25 min (d) 3 h 25 min
  10. 10.What time will it be 25 minutes after 3:35? (a) 3:50 (b) 3:00 (c) 5:00 (d) 4:00
  11. 11.What time will it be 15 minutes after 3:55? (a) 5:10 (b) 4:00 (c) 4:10 (d) 3:10
  12. 12.What time will it be 50 minutes after 2:15? (a) 4:05 (b) 2:55 (c) 2:05 (d) 3:05
  13. 13.A film starts at 4:50 and ends at 5:15. How long is the film? (a) 15 min (b) 25 min (c) 35 min (d) 1 h 25 min
  14. 14.What time will it be 15 minutes after 9:05? (a) 10:20 (b) 9:10 (c) 8:20 (d) 9:20
  15. 15.A film starts at 5:40 and ends at 7:00. How long is the film? (a) 1 h 30 min (b) 20 min (c) 2 h 20 min (d) 1 h 20 min
  16. 16.What time was it 20 minutes before 9:35? (a) 8:15 (b) 9:25 (c) 9:15 (d) 10:15
  17. 17.What time will it be 15 minutes after 7:45? (a) 7:50 (b) 8:00 (c) 7:00 (d) 9:00
  18. 18.What time will it be 55 minutes after 5:15? (a) 6:00 (b) 7:10 (c) 6:10 (d) 5:10
  19. 19.What time will it be 55 minutes after 5:55? (a) 5:50 (b) 7:50 (c) 6:50 (d) 6:40
  20. 20.A film starts at 6:20 and ends at 9:15. How long is the film? (a) 2 h 55 min (b) 1 h 55 min (c) 3 h 5 min (d) 3 h 55 min
  21. 21.A film starts at 2:20 and ends at 3:35. How long is the film? (a) 15 min (b) 1 h 15 min (c) 1 h 25 min (d) 2 h 15 min
  22. 22.What time will it be 50 minutes after 6:55? (a) 7:35 (b) 7:45 (c) 8:45 (d) 6:45
  23. 23.What time will it be 45 minutes after 6:25? (a) 8:10 (b) 7:00 (c) 6:10 (d) 7:10
  24. 24.What time will it be 40 minutes after 2:45? (a) 2:25 (b) 4:25 (c) 3:25 (d) 3:15
  25. 25.What time was it 35 minutes before 11:50? (a) 11:25 (b) 10:15 (c) 12:15 (d) 11:15
  26. 26.What time was it 15 minutes before 6:40? (a) 6:35 (b) 5:25 (c) 7:25 (d) 6:25
  27. 27.What time was it 30 minutes before 3:55? (a) 4:25 (b) 3:35 (c) 3:25 (d) 2:25
  28. 28.What time was it 20 minutes before 7:55? (a) 6:35 (b) 7:35 (c) 8:35 (d) 7:45
  29. 29.What time was it 40 minutes before 11:40? (a) 10:00 (b) 11:10 (c) 11:00 (d) 12:00
  30. 30.What time was it 55 minutes before 5:45? (a) 3:50 (b) 5:00 (c) 4:50 (d) 5:50
  31. 31.A film starts at 8:50 and ends at 11:30. How long is the film? (a) 2 h 40 min (b) 2 h 50 min (c) 3 h 40 min (d) 1 h 40 min
  32. 32.What time was it 20 minutes before 6:55? (a) 7:35 (b) 5:35 (c) 6:35 (d) 6:45
  33. 33.What time will it be 20 minutes after 6:50? (a) 7:00 (b) 8:10 (c) 6:10 (d) 7:10
  34. 34.A film starts at 7:25 and ends at 9:20. How long is the film? (a) 55 min (b) 1 h 55 min (c) 2 h 5 min (d) 2 h 55 min
  35. 35.A film starts at 2:25 and ends at 4:15. How long is the film? (a) 2 h (b) 50 min (c) 2 h 50 min (d) 1 h 50 min
  36. 36.What time will it be 50 minutes after 6:50? (a) 7:30 (b) 8:40 (c) 7:40 (d) 6:40
  37. 37.What time was it 50 minutes before 3:45? (a) 3:55 (b) 2:55 (c) 3:05 (d) 1:55
  38. 38.A film starts at 2:05 and ends at 3:55. How long is the film? (a) 2 h 50 min (b) 50 min (c) 2 h (d) 1 h 50 min
  39. 39.What time was it 30 minutes before 8:45? (a) 8:25 (b) 8:15 (c) 9:15 (d) 7:15
  40. 40.A film starts at 1:35 and ends at 2:35. How long is the film? (a) 2 h (b) 1 h 10 min (c) 50 min (d) 1 h

Answer key

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

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