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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 93 · 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 40 minutes after 8:40? (a) 9:10 (b) 10:20 (c) 8:20 (d) 9:20
  2. 2.What time will it be 45 minutes after 2:15? (a) 4:00 (b) 3:00 (c) 2:00 (d) 2:50
  3. 3.What time will it be 25 minutes after 9:50? (a) 10:05 (b) 9:15 (c) 10:15 (d) 11:15
  4. 4.What time will it be 15 minutes after 8:40? (a) 9:55 (b) 8:45 (c) 7:55 (d) 8:55
  5. 5.What time will it be 20 minutes after 6:10? (a) 6:20 (b) 5:30 (c) 6:30 (d) 7:30
  6. 6.What time was it 45 minutes before 11:55? (a) 12:10 (b) 10:10 (c) 11:10 (d) 11:20
  7. 7.What time was it 40 minutes before 5:45? (a) 5:15 (b) 5:05 (c) 6:05 (d) 4:05
  8. 8.What time will it be 15 minutes after 4:55? (a) 4:10 (b) 5:10 (c) 6:10 (d) 5:00
  9. 9.What time was it 40 minutes before 3:15? (a) 1:35 (b) 3:35 (c) 2:45 (d) 2:35
  10. 10.A film starts at 7:00 and ends at 9:55. How long is the film? (a) 1 h 55 min (b) 3 h 55 min (c) 3 h 5 min (d) 2 h 55 min
  11. 11.What time will it be 20 minutes after 5:55? (a) 5:15 (b) 6:05 (c) 6:15 (d) 7:15
  12. 12.What time was it 50 minutes before 11:30? (a) 10:50 (b) 9:40 (c) 11:40 (d) 10:40
  13. 13.What time will it be 20 minutes after 1:40? (a) 3:00 (b) 1:50 (c) 1:00 (d) 2:00
  14. 14.What time was it 50 minutes before 3:10? (a) 2:30 (b) 3:20 (c) 2:20 (d) 1:20
  15. 15.What time will it be 55 minutes after 2:25? (a) 4:20 (b) 2:20 (c) 3:10 (d) 3:20
  16. 16.A film starts at 6:30 and ends at 7:45. How long is the film? (a) 15 min (b) 1 h 25 min (c) 1 h 15 min (d) 2 h 15 min
  17. 17.A film starts at 6:45 and ends at 8:25. How long is the film? (a) 1 h 50 min (b) 40 min (c) 1 h 40 min (d) 2 h 40 min
  18. 18.What time was it 15 minutes before 2:20? (a) 2:05 (b) 1:05 (c) 2:15 (d) 3:05
  19. 19.A film starts at 7:05 and ends at 8:05. How long is the film? (a) 1 h (b) 2 h (c) 50 min (d) 1 h 10 min
  20. 20.What time was it 40 minutes before 3:05? (a) 3:25 (b) 1:25 (c) 2:25 (d) 2:35
  21. 21.What time was it 45 minutes before 8:30? (a) 7:45 (b) 6:45 (c) 8:45 (d) 7:55
  22. 22.What time will it be 35 minutes after 5:25? (a) 5:00 (b) 5:50 (c) 7:00 (d) 6:00
  23. 23.What time will it be 55 minutes after 8:25? (a) 9:10 (b) 9:20 (c) 8:20 (d) 10:20
  24. 24.What time will it be 25 minutes after 3:05? (a) 4:30 (b) 2:30 (c) 3:20 (d) 3:30
  25. 25.What time was it 20 minutes before 9:15? (a) 9:55 (b) 9:05 (c) 7:55 (d) 8:55
  26. 26.A film starts at 3:55 and ends at 4:50. How long is the film? (a) 1 h 55 min (b) 1 h 5 min (c) 45 min (d) 55 min
  27. 27.A film starts at 2:00 and ends at 3:25. How long is the film? (a) 1 h 35 min (b) 1 h 25 min (c) 2 h 25 min (d) 25 min
  28. 28.What time will it be 30 minutes after 1:25? (a) 1:45 (b) 1:55 (c) 2:05 (d) 2:55
  29. 29.What time will it be 15 minutes after 6:10? (a) 7:25 (b) 5:25 (c) 6:15 (d) 6:25
  30. 30.What time will it be 20 minutes after 2:50? (a) 2:10 (b) 4:10 (c) 3:00 (d) 3:10
  31. 31.What time will it be 55 minutes after 9:50? (a) 11:45 (b) 10:45 (c) 10:35 (d) 9:45
  32. 32.A film starts at 6:45 and ends at 9:05. How long is the film? (a) 1 h 20 min (b) 3 h 20 min (c) 2 h 20 min (d) 2 h 30 min
  33. 33.What time will it be 15 minutes after 10:10? (a) 11:25 (b) 10:25 (c) 10:15 (d) 9:25
  34. 34.What time was it 35 minutes before 9:05? (a) 7:30 (b) 8:40 (c) 9:30 (d) 8:30
  35. 35.A film starts at 5:05 and ends at 6:15. How long is the film? (a) 1 h 10 min (b) 1 h 20 min (c) 2 h 10 min (d) 10 min
  36. 36.What time was it 30 minutes before 9:15? (a) 8:55 (b) 8:45 (c) 7:45 (d) 9:45
  37. 37.A film starts at 1:45 and ends at 4:25. How long is the film? (a) 3 h 40 min (b) 2 h 50 min (c) 1 h 40 min (d) 2 h 40 min
  38. 38.What time was it 35 minutes before 11:30? (a) 11:05 (b) 9:55 (c) 10:55 (d) 11:55
  39. 39.What time was it 50 minutes before 3:25? (a) 2:45 (b) 2:35 (c) 1:35 (d) 3:35
  40. 40.What time was it 45 minutes before 8:05? (a) 7:30 (b) 7:20 (c) 8:20 (d) 6:20

Answer key

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

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