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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 773 · 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 was it 50 minutes before 10:20? (a) 8:30 (b) 10:30 (c) 9:40 (d) 9:30
  2. 2.A film starts at 4:00 and ends at 5:35. How long is the film? (a) 2 h 35 min (b) 35 min (c) 1 h 45 min (d) 1 h 35 min
  3. 3.What time will it be 30 minutes after 10:40? (a) 12:10 (b) 11:00 (c) 10:10 (d) 11:10
  4. 4.What time will it be 50 minutes after 3:45? (a) 3:35 (b) 5:35 (c) 4:35 (d) 4:25
  5. 5.A film starts at 3:10 and ends at 5:15. How long is the film? (a) 2 h 15 min (b) 2 h 5 min (c) 1 h 5 min (d) 3 h 5 min
  6. 6.What time was it 30 minutes before 9:30? (a) 8:00 (b) 9:00 (c) 10:00 (d) 9:10
  7. 7.What time was it 50 minutes before 2:05? (a) 1:25 (b) 2:15 (c) 1:05 (d) 1:15
  8. 8.A film starts at 3:25 and ends at 5:05. How long is the film? (a) 2 h 40 min (b) 40 min (c) 1 h 50 min (d) 1 h 40 min
  9. 9.What time will it be 50 minutes after 10:15? (a) 10:55 (b) 11:05 (c) 10:05 (d) 12:05
  10. 10.What time will it be 35 minutes after 9:50? (a) 11:25 (b) 9:25 (c) 10:25 (d) 10:15
  11. 11.What time was it 40 minutes before 9:35? (a) 8:55 (b) 9:55 (c) 7:55 (d) 9:05
  12. 12.What time will it be 15 minutes after 1:05? (a) 1:10 (b) 2:20 (c) 1:30 (d) 1:20
  13. 13.What time will it be 20 minutes after 1:20? (a) 1:50 (b) 1:40 (c) 2:40 (d) 1:30
  14. 14.A film starts at 1:45 and ends at 4:00. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 2 h 25 min (d) 3 h 15 min
  15. 15.What time was it 20 minutes before 6:30? (a) 7:10 (b) 5:10 (c) 6:20 (d) 6:10
  16. 16.What time was it 55 minutes before 11:15? (a) 10:30 (b) 10:20 (c) 9:20 (d) 11:20
  17. 17.What time will it be 35 minutes after 4:15? (a) 5:50 (b) 4:50 (c) 3:50 (d) 4:40
  18. 18.What time was it 55 minutes before 11:05? (a) 11:10 (b) 10:20 (c) 9:10 (d) 10:10
  19. 19.What time was it 15 minutes before 5:30? (a) 4:15 (b) 5:15 (c) 6:15 (d) 5:25
  20. 20.What time will it be 50 minutes after 2:45? (a) 2:35 (b) 3:35 (c) 3:25 (d) 4:35
  21. 21.What time will it be 40 minutes after 8:15? (a) 8:55 (b) 8:45 (c) 7:55 (d) 9:55
  22. 22.What time was it 20 minutes before 9:40? (a) 10:20 (b) 8:20 (c) 9:30 (d) 9:20
  23. 23.What time will it be 20 minutes after 9:10? (a) 8:30 (b) 10:30 (c) 9:30 (d) 9:20
  24. 24.What time will it be 40 minutes after 3:55? (a) 4:25 (b) 3:35 (c) 4:35 (d) 5:35
  25. 25.A film starts at 8:50 and ends at 9:25. How long is the film? (a) 25 min (b) 45 min (c) 35 min (d) 1 h 35 min
  26. 26.A film starts at 8:55 and ends at 11:05. How long is the film? (a) 2 h 20 min (b) 1 h 10 min (c) 2 h 10 min (d) 3 h 10 min
  27. 27.What time was it 20 minutes before 7:55? (a) 7:45 (b) 8:35 (c) 6:35 (d) 7:35
  28. 28.What time will it be 50 minutes after 8:55? (a) 9:35 (b) 9:45 (c) 8:45 (d) 10:45
  29. 29.What time was it 55 minutes before 8:20? (a) 7:25 (b) 6:25 (c) 8:25 (d) 7:35
  30. 30.What time will it be 30 minutes after 10:35? (a) 10:05 (b) 12:05 (c) 10:55 (d) 11:05
  31. 31.A film starts at 4:05 and ends at 5:10. How long is the film? (a) 1 h 15 min (b) 2 h 5 min (c) 5 min (d) 1 h 5 min
  32. 32.A film starts at 5:00 and ends at 7:00. How long is the film? (a) 2 h 10 min (b) 1 h (c) 2 h (d) 3 h
  33. 33.What time was it 20 minutes before 4:45? (a) 3:25 (b) 4:35 (c) 5:25 (d) 4:25
  34. 34.A film starts at 5:35 and ends at 7:45. How long is the film? (a) 2 h 10 min (b) 2 h 20 min (c) 3 h 10 min (d) 1 h 10 min
  35. 35.A film starts at 1:15 and ends at 1:45. How long is the film? (a) 20 min (b) 40 min (c) 1 h 30 min (d) 30 min
  36. 36.What time was it 50 minutes before 2:10? (a) 1:10 (b) 2:20 (c) 1:20 (d) 1:30
  37. 37.What time will it be 55 minutes after 5:55? (a) 6:40 (b) 5:50 (c) 7:50 (d) 6:50
  38. 38.What time will it be 40 minutes after 4:05? (a) 4:45 (b) 5:45 (c) 4:35 (d) 3:45
  39. 39.What time was it 45 minutes before 2:40? (a) 2:55 (b) 1:55 (c) 1:45 (d) 2:05
  40. 40.What time was it 30 minutes before 11:05? (a) 9:35 (b) 10:35 (c) 10:45 (d) 11:35

Answer key

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

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