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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 198 · 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 3:15? (a) 4:35 (b) 2:35 (c) 3:35 (d) 3:25
  2. 2.What time will it be 15 minutes after 6:35? (a) 5:50 (b) 7:50 (c) 6:50 (d) 6:40
  3. 3.What time was it 30 minutes before 5:20? (a) 3:50 (b) 5:00 (c) 5:50 (d) 4:50
  4. 4.What time will it be 25 minutes after 2:05? (a) 1:30 (b) 3:30 (c) 2:30 (d) 2:20
  5. 5.What time was it 15 minutes before 3:05? (a) 1:50 (b) 2:50 (c) 3:50 (d) 3:00
  6. 6.A film starts at 8:00 and ends at 8:25. How long is the film? (a) 35 min (b) 25 min (c) 15 min (d) 1 h 25 min
  7. 7.A film starts at 2:20 and ends at 3:25. How long is the film? (a) 5 min (b) 2 h 5 min (c) 1 h 15 min (d) 1 h 5 min
  8. 8.What time will it be 30 minutes after 2:30? (a) 2:00 (b) 2:50 (c) 4:00 (d) 3:00
  9. 9.What time was it 20 minutes before 5:00? (a) 5:40 (b) 4:40 (c) 4:50 (d) 3:40
  10. 10.A film starts at 3:20 and ends at 5:10. How long is the film? (a) 2 h (b) 50 min (c) 2 h 50 min (d) 1 h 50 min
  11. 11.What time will it be 45 minutes after 3:50? (a) 4:25 (b) 3:35 (c) 5:35 (d) 4:35
  12. 12.What time will it be 45 minutes after 7:40? (a) 9:25 (b) 7:25 (c) 8:15 (d) 8:25
  13. 13.What time will it be 25 minutes after 6:55? (a) 7:20 (b) 6:20 (c) 7:10 (d) 8:20
  14. 14.What time will it be 30 minutes after 8:20? (a) 7:50 (b) 8:50 (c) 9:50 (d) 8:40
  15. 15.A film starts at 8:10 and ends at 10:05. How long is the film? (a) 55 min (b) 2 h 5 min (c) 1 h 55 min (d) 2 h 55 min
  16. 16.A film starts at 8:30 and ends at 9:45. How long is the film? (a) 15 min (b) 1 h 15 min (c) 2 h 15 min (d) 1 h 25 min
  17. 17.What time was it 25 minutes before 7:20? (a) 7:55 (b) 6:55 (c) 7:05 (d) 5:55
  18. 18.A film starts at 2:05 and ends at 3:15. How long is the film? (a) 10 min (b) 2 h 10 min (c) 1 h 10 min (d) 1 h 20 min
  19. 19.A film starts at 6:05 and ends at 8:30. How long is the film? (a) 1 h 25 min (b) 2 h 25 min (c) 2 h 35 min (d) 3 h 25 min
  20. 20.What time will it be 15 minutes after 9:55? (a) 9:10 (b) 11:10 (c) 10:00 (d) 10:10
  21. 21.What time was it 40 minutes before 7:10? (a) 6:40 (b) 6:30 (c) 5:30 (d) 7:30
  22. 22.What time will it be 55 minutes after 7:30? (a) 8:15 (b) 9:25 (c) 7:25 (d) 8:25
  23. 23.What time will it be 15 minutes after 6:00? (a) 6:15 (b) 7:15 (c) 6:05 (d) 5:15
  24. 24.A film starts at 2:20 and ends at 3:35. How long is the film? (a) 15 min (b) 1 h 25 min (c) 2 h 15 min (d) 1 h 15 min
  25. 25.A film starts at 1:05 and ends at 2:05. How long is the film? (a) 50 min (b) 2 h (c) 1 h 10 min (d) 1 h
  26. 26.A film starts at 6:50 and ends at 7:55. How long is the film? (a) 1 h 5 min (b) 5 min (c) 1 h 15 min (d) 2 h 5 min
  27. 27.What time was it 25 minutes before 8:10? (a) 7:55 (b) 7:45 (c) 6:45 (d) 8:45
  28. 28.What time was it 55 minutes before 2:10? (a) 1:15 (b) 1:05 (c) 2:15 (d) 1:25
  29. 29.What time will it be 20 minutes after 1:15? (a) 2:35 (b) 1:45 (c) 1:35 (d) 1:25
  30. 30.What time will it be 30 minutes after 6:30? (a) 7:00 (b) 6:50 (c) 6:00 (d) 8:00
  31. 31.A film starts at 6:25 and ends at 8:55. How long is the film? (a) 3 h 30 min (b) 1 h 30 min (c) 2 h 30 min (d) 2 h 40 min
  32. 32.A film starts at 2:35 and ends at 3:55. How long is the film? (a) 2 h 20 min (b) 20 min (c) 1 h 30 min (d) 1 h 20 min
  33. 33.What time will it be 20 minutes after 5:50? (a) 6:00 (b) 7:10 (c) 6:10 (d) 5:10
  34. 34.What time will it be 50 minutes after 9:55? (a) 9:45 (b) 10:45 (c) 11:45 (d) 10:35
  35. 35.What time was it 40 minutes before 3:35? (a) 3:05 (b) 2:55 (c) 1:55 (d) 3:55
  36. 36.What time will it be 50 minutes after 1:15? (a) 1:55 (b) 3:05 (c) 2:05 (d) 1:05
  37. 37.What time was it 25 minutes before 5:20? (a) 4:55 (b) 5:05 (c) 3:55 (d) 5:55
  38. 38.What time will it be 40 minutes after 1:45? (a) 2:25 (b) 3:25 (c) 2:15 (d) 1:25
  39. 39.A film starts at 1:20 and ends at 3:15. How long is the film? (a) 1 h 55 min (b) 2 h 55 min (c) 55 min (d) 2 h 5 min
  40. 40.A film starts at 3:25 and ends at 3:50. How long is the film? (a) 1 h 25 min (b) 35 min (c) 15 min (d) 25 min

Answer key

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

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