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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 518 · 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 25 minutes after 1:15? (a) 1:40 (b) 2:40 (c) 1:50 (d) 1:30
  2. 2.What time was it 45 minutes before 4:30? (a) 3:55 (b) 3:45 (c) 2:45 (d) 4:45
  3. 3.What time was it 20 minutes before 9:30? (a) 9:10 (b) 8:10 (c) 9:20 (d) 10:10
  4. 4.What time will it be 35 minutes after 5:30? (a) 5:05 (b) 5:55 (c) 7:05 (d) 6:05
  5. 5.What time will it be 40 minutes after 3:05? (a) 4:45 (b) 3:35 (c) 2:45 (d) 3:45
  6. 6.What time will it be 25 minutes after 6:45? (a) 7:00 (b) 7:10 (c) 6:10 (d) 8:10
  7. 7.What time was it 20 minutes before 9:45? (a) 9:35 (b) 8:25 (c) 9:25 (d) 10:25
  8. 8.What time was it 15 minutes before 10:00? (a) 10:45 (b) 8:45 (c) 9:55 (d) 9:45
  9. 9.What time will it be 20 minutes after 9:05? (a) 10:25 (b) 9:25 (c) 8:25 (d) 9:15
  10. 10.What time will it be 40 minutes after 5:40? (a) 5:20 (b) 7:20 (c) 6:20 (d) 6:10
  11. 11.What time will it be 50 minutes after 6:40? (a) 6:30 (b) 8:30 (c) 7:20 (d) 7:30
  12. 12.What time was it 35 minutes before 4:00? (a) 2:25 (b) 3:35 (c) 3:25 (d) 4:25
  13. 13.What time was it 50 minutes before 2:50? (a) 2:10 (b) 3:00 (c) 2:00 (d) 1:00
  14. 14.What time was it 50 minutes before 3:55? (a) 4:05 (b) 3:15 (c) 3:05 (d) 2:05
  15. 15.What time was it 25 minutes before 4:40? (a) 3:15 (b) 4:15 (c) 4:25 (d) 5:15
  16. 16.A film starts at 7:50 and ends at 9:05. How long is the film? (a) 1 h 25 min (b) 1 h 15 min (c) 15 min (d) 2 h 15 min
  17. 17.What time was it 50 minutes before 3:25? (a) 3:35 (b) 2:45 (c) 2:35 (d) 1:35
  18. 18.A film starts at 7:35 and ends at 8:10. How long is the film? (a) 45 min (b) 35 min (c) 1 h 35 min (d) 25 min
  19. 19.What time will it be 20 minutes after 5:45? (a) 5:05 (b) 6:05 (c) 7:05 (d) 5:55
  20. 20.A film starts at 1:10 and ends at 1:45. How long is the film? (a) 45 min (b) 35 min (c) 1 h 35 min (d) 25 min
  21. 21.What time was it 40 minutes before 4:25? (a) 3:45 (b) 3:55 (c) 2:45 (d) 4:45
  22. 22.What time will it be 15 minutes after 8:10? (a) 8:15 (b) 8:25 (c) 9:25 (d) 7:25
  23. 23.What time will it be 50 minutes after 3:50? (a) 4:30 (b) 4:40 (c) 3:40 (d) 5:40
  24. 24.What time was it 25 minutes before 2:55? (a) 2:40 (b) 1:30 (c) 2:30 (d) 3:30
  25. 25.What time was it 30 minutes before 6:05? (a) 6:35 (b) 5:35 (c) 5:45 (d) 4:35
  26. 26.What time will it be 20 minutes after 7:05? (a) 8:25 (b) 7:15 (c) 6:25 (d) 7:25
  27. 27.What time was it 15 minutes before 2:35? (a) 2:30 (b) 1:20 (c) 2:20 (d) 3:20
  28. 28.A film starts at 3:00 and ends at 4:20. How long is the film? (a) 1 h 30 min (b) 1 h 20 min (c) 20 min (d) 2 h 20 min
  29. 29.A film starts at 4:45 and ends at 7:25. How long is the film? (a) 1 h 40 min (b) 2 h 50 min (c) 2 h 40 min (d) 3 h 40 min
  30. 30.A film starts at 1:55 and ends at 4:55. How long is the film? (a) 2 h (b) 3 h 10 min (c) 4 h (d) 3 h
  31. 31.What time will it be 25 minutes after 7:00? (a) 7:15 (b) 7:25 (c) 6:25 (d) 8:25
  32. 32.What time was it 45 minutes before 9:10? (a) 9:25 (b) 8:25 (c) 8:35 (d) 7:25
  33. 33.What time will it be 40 minutes after 4:25? (a) 4:05 (b) 4:55 (c) 6:05 (d) 5:05
  34. 34.A film starts at 4:25 and ends at 6:50. How long is the film? (a) 1 h 25 min (b) 2 h 25 min (c) 3 h 25 min (d) 2 h 35 min
  35. 35.What time was it 30 minutes before 6:20? (a) 4:50 (b) 6:00 (c) 5:50 (d) 6:50
  36. 36.A film starts at 5:20 and ends at 7:25. How long is the film? (a) 3 h 5 min (b) 2 h 15 min (c) 1 h 5 min (d) 2 h 5 min
  37. 37.What time was it 45 minutes before 2:25? (a) 1:30 (b) 1:40 (c) 1:50 (d) 2:40
  38. 38.What time was it 15 minutes before 4:50? (a) 3:35 (b) 4:45 (c) 5:35 (d) 4:35
  39. 39.What time was it 20 minutes before 11:30? (a) 12:10 (b) 11:20 (c) 11:10 (d) 10:10
  40. 40.A film starts at 1:40 and ends at 3:40. How long is the film? (a) 3 h (b) 2 h 10 min (c) 1 h (d) 2 h

Answer key

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

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