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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 148 · 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 7:05? (a) 7:20 (b) 7:30 (c) 8:30 (d) 6:30
  2. 2.What time will it be 15 minutes after 2:55? (a) 2:10 (b) 4:10 (c) 3:00 (d) 3:10
  3. 3.What time will it be 30 minutes after 6:20? (a) 7:50 (b) 6:50 (c) 6:40 (d) 5:50
  4. 4.What time will it be 40 minutes after 1:10? (a) 1:50 (b) 1:40 (c) 2:00 (d) 2:50
  5. 5.A film starts at 3:10 and ends at 3:30. How long is the film? (a) 10 min (b) 20 min (c) 30 min (d) 1 h 20 min
  6. 6.What time was it 15 minutes before 8:20? (a) 7:05 (b) 8:15 (c) 8:05 (d) 9:05
  7. 7.What time will it be 45 minutes after 6:40? (a) 7:15 (b) 8:25 (c) 7:25 (d) 6:25
  8. 8.What time was it 55 minutes before 3:40? (a) 1:45 (b) 2:55 (c) 3:45 (d) 2:45
  9. 9.A film starts at 7:25 and ends at 7:45. How long is the film? (a) 20 min (b) 1 h 20 min (c) 10 min (d) 30 min
  10. 10.A film starts at 3:00 and ends at 3:25. How long is the film? (a) 1 h 25 min (b) 25 min (c) 35 min (d) 15 min
  11. 11.What time will it be 30 minutes after 7:35? (a) 9:05 (b) 7:05 (c) 8:05 (d) 7:55
  12. 12.What time was it 15 minutes before 7:10? (a) 5:55 (b) 7:05 (c) 7:55 (d) 6:55
  13. 13.A film starts at 1:40 and ends at 4:40. How long is the film? (a) 4 h (b) 2 h (c) 3 h 10 min (d) 3 h
  14. 14.What time was it 15 minutes before 5:30? (a) 4:15 (b) 5:15 (c) 5:25 (d) 6:15
  15. 15.What time will it be 15 minutes after 1:30? (a) 1:35 (b) 2:45 (c) 1:45 (d) 1:55
  16. 16.What time was it 25 minutes before 2:50? (a) 1:25 (b) 3:25 (c) 2:25 (d) 2:35
  17. 17.A film starts at 3:00 and ends at 3:55. How long is the film? (a) 45 min (b) 55 min (c) 1 h 55 min (d) 1 h 5 min
  18. 18.What time was it 55 minutes before 10:10? (a) 9:25 (b) 8:15 (c) 10:15 (d) 9:15
  19. 19.A film starts at 2:30 and ends at 4:20. How long is the film? (a) 2 h 50 min (b) 2 h (c) 50 min (d) 1 h 50 min
  20. 20.What time will it be 30 minutes after 2:05? (a) 2:35 (b) 3:35 (c) 2:25 (d) 1:35
  21. 21.What time was it 40 minutes before 10:50? (a) 11:10 (b) 9:10 (c) 10:20 (d) 10:10
  22. 22.What time was it 50 minutes before 11:40? (a) 10:50 (b) 11:50 (c) 9:50 (d) 11:00
  23. 23.A film starts at 8:20 and ends at 9:35. How long is the film? (a) 1 h 25 min (b) 15 min (c) 2 h 15 min (d) 1 h 15 min
  24. 24.What time was it 20 minutes before 8:20? (a) 8:10 (b) 7:00 (c) 9:00 (d) 8:00
  25. 25.What time will it be 25 minutes after 1:05? (a) 1:30 (b) 1:20 (c) 1:40 (d) 2:30
  26. 26.What time will it be 35 minutes after 3:35? (a) 3:10 (b) 5:10 (c) 4:10 (d) 4:00
  27. 27.What time will it be 45 minutes after 9:55? (a) 9:40 (b) 10:30 (c) 11:40 (d) 10:40
  28. 28.What time will it be 20 minutes after 1:15? (a) 1:25 (b) 1:45 (c) 2:35 (d) 1:35
  29. 29.A film starts at 2:05 and ends at 2:35. How long is the film? (a) 30 min (b) 1 h 30 min (c) 40 min (d) 20 min
  30. 30.What time will it be 25 minutes after 6:35? (a) 6:50 (b) 6:00 (c) 7:00 (d) 8:00
  31. 31.A film starts at 4:20 and ends at 4:55. How long is the film? (a) 35 min (b) 25 min (c) 1 h 35 min (d) 45 min
  32. 32.A film starts at 2:05 and ends at 2:50. How long is the film? (a) 55 min (b) 35 min (c) 45 min (d) 1 h 45 min
  33. 33.What time will it be 30 minutes after 5:15? (a) 5:35 (b) 4:45 (c) 5:45 (d) 6:45
  34. 34.What time will it be 25 minutes after 10:40? (a) 10:05 (b) 12:05 (c) 10:55 (d) 11:05
  35. 35.What time was it 20 minutes before 5:35? (a) 5:25 (b) 4:15 (c) 5:15 (d) 6:15
  36. 36.A film starts at 2:00 and ends at 2:35. How long is the film? (a) 35 min (b) 1 h 35 min (c) 25 min (d) 45 min
  37. 37.What time was it 50 minutes before 5:30? (a) 4:40 (b) 4:50 (c) 3:40 (d) 5:40
  38. 38.What time will it be 55 minutes after 3:40? (a) 3:35 (b) 4:25 (c) 5:35 (d) 4:35
  39. 39.A film starts at 1:10 and ends at 3:00. How long is the film? (a) 2 h (b) 2 h 50 min (c) 1 h 50 min (d) 50 min
  40. 40.What time was it 40 minutes before 6:05? (a) 6:25 (b) 5:35 (c) 4:25 (d) 5:25

Answer key

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

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