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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 602 · 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 35 minutes after 9:30? (a) 10:05 (b) 11:05 (c) 9:55 (d) 9:05
  2. 2.What time was it 35 minutes before 8:15? (a) 7:40 (b) 7:50 (c) 8:40 (d) 6:40
  3. 3.What time was it 15 minutes before 5:10? (a) 3:55 (b) 4:55 (c) 5:05 (d) 5:55
  4. 4.What time was it 45 minutes before 6:15? (a) 5:30 (b) 4:30 (c) 6:30 (d) 5:40
  5. 5.What time was it 25 minutes before 2:00? (a) 1:25 (b) 1:45 (c) 2:35 (d) 1:35
  6. 6.What time will it be 30 minutes after 3:50? (a) 3:20 (b) 4:20 (c) 5:20 (d) 4:10
  7. 7.What time will it be 35 minutes after 4:45? (a) 5:20 (b) 5:10 (c) 6:20 (d) 4:20
  8. 8.What time will it be 30 minutes after 5:50? (a) 5:20 (b) 7:20 (c) 6:10 (d) 6:20
  9. 9.A film starts at 8:55 and ends at 10:35. How long is the film? (a) 2 h 40 min (b) 1 h 40 min (c) 40 min (d) 1 h 50 min
  10. 10.What time was it 15 minutes before 3:15? (a) 3:10 (b) 2:00 (c) 3:00 (d) 4:00
  11. 11.What time was it 50 minutes before 11:45? (a) 11:55 (b) 10:55 (c) 11:05 (d) 9:55
  12. 12.A film starts at 5:20 and ends at 6:05. How long is the film? (a) 45 min (b) 35 min (c) 1 h 45 min (d) 55 min
  13. 13.What time will it be 50 minutes after 7:45? (a) 8:35 (b) 7:35 (c) 8:25 (d) 9:35
  14. 14.A film starts at 7:40 and ends at 9:40. How long is the film? (a) 2 h 10 min (b) 2 h (c) 1 h (d) 3 h
  15. 15.What time was it 50 minutes before 4:25? (a) 2:35 (b) 4:35 (c) 3:35 (d) 3:45
  16. 16.What time was it 25 minutes before 4:25? (a) 3:00 (b) 4:00 (c) 5:00 (d) 4:10
  17. 17.What time will it be 45 minutes after 1:15? (a) 3:00 (b) 1:50 (c) 2:00 (d) 1:00
  18. 18.What time was it 20 minutes before 10:30? (a) 10:20 (b) 9:10 (c) 10:10 (d) 11:10
  19. 19.What time will it be 55 minutes after 2:15? (a) 2:10 (b) 3:10 (c) 4:10 (d) 3:00
  20. 20.What time will it be 50 minutes after 9:45? (a) 10:35 (b) 11:35 (c) 10:25 (d) 9:35
  21. 21.A film starts at 1:10 and ends at 1:30. How long is the film? (a) 30 min (b) 1 h 20 min (c) 10 min (d) 20 min
  22. 22.What time will it be 25 minutes after 1:40? (a) 1:05 (b) 1:55 (c) 3:05 (d) 2:05
  23. 23.A film starts at 8:10 and ends at 10:00. How long is the film? (a) 2 h (b) 50 min (c) 1 h 50 min (d) 2 h 50 min
  24. 24.What time will it be 35 minutes after 3:05? (a) 3:40 (b) 4:40 (c) 2:40 (d) 3:30
  25. 25.What time will it be 15 minutes after 5:25? (a) 6:40 (b) 4:40 (c) 5:40 (d) 5:30
  26. 26.A film starts at 7:10 and ends at 10:00. How long is the film? (a) 3 h (b) 2 h 50 min (c) 1 h 50 min (d) 3 h 50 min
  27. 27.A film starts at 2:30 and ends at 4:00. How long is the film? (a) 2 h 30 min (b) 1 h 40 min (c) 30 min (d) 1 h 30 min
  28. 28.What time was it 55 minutes before 10:20? (a) 9:35 (b) 10:25 (c) 8:25 (d) 9:25
  29. 29.A film starts at 1:50 and ends at 3:30. How long is the film? (a) 40 min (b) 1 h 40 min (c) 2 h 40 min (d) 1 h 50 min
  30. 30.A film starts at 1:40 and ends at 3:15. How long is the film? (a) 35 min (b) 1 h 45 min (c) 2 h 35 min (d) 1 h 35 min
  31. 31.What time will it be 40 minutes after 4:50? (a) 5:30 (b) 6:30 (c) 4:30 (d) 5:20
  32. 32.What time will it be 15 minutes after 7:45? (a) 9:00 (b) 8:00 (c) 7:00 (d) 7:50
  33. 33.A film starts at 6:25 and ends at 9:00. How long is the film? (a) 1 h 35 min (b) 2 h 45 min (c) 3 h 35 min (d) 2 h 35 min
  34. 34.What time will it be 30 minutes after 1:45? (a) 3:15 (b) 2:05 (c) 1:15 (d) 2:15
  35. 35.What time will it be 55 minutes after 5:05? (a) 5:00 (b) 6:00 (c) 7:00 (d) 5:50
  36. 36.What time was it 35 minutes before 3:55? (a) 4:20 (b) 3:20 (c) 2:20 (d) 3:30
  37. 37.What time will it be 55 minutes after 5:45? (a) 7:40 (b) 6:30 (c) 6:40 (d) 5:40
  38. 38.What time was it 15 minutes before 4:10? (a) 3:55 (b) 2:55 (c) 4:55 (d) 4:05
  39. 39.A film starts at 3:00 and ends at 5:45. How long is the film? (a) 2 h 55 min (b) 3 h 45 min (c) 1 h 45 min (d) 2 h 45 min
  40. 40.A film starts at 5:55 and ends at 7:50. How long is the film? (a) 2 h 5 min (b) 1 h 55 min (c) 55 min (d) 2 h 55 min

Answer key

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

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