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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 506 · 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 30 minutes after 9:20? (a) 9:50 (b) 8:50 (c) 10:50 (d) 9:40
  2. 2.What time will it be 25 minutes after 9:10? (a) 8:35 (b) 9:35 (c) 10:35 (d) 9:25
  3. 3.What time will it be 25 minutes after 4:40? (a) 4:55 (b) 4:05 (c) 6:05 (d) 5:05
  4. 4.What time will it be 50 minutes after 1:25? (a) 1:15 (b) 3:15 (c) 2:15 (d) 2:05
  5. 5.What time was it 40 minutes before 3:00? (a) 3:20 (b) 2:30 (c) 1:20 (d) 2:20
  6. 6.What time was it 35 minutes before 3:35? (a) 2:00 (b) 3:00 (c) 3:10 (d) 4:00
  7. 7.What time will it be 30 minutes after 1:50? (a) 1:20 (b) 3:20 (c) 2:10 (d) 2:20
  8. 8.What time was it 45 minutes before 2:15? (a) 1:30 (b) 1:40 (c) 1:20 (d) 2:30
  9. 9.What time was it 45 minutes before 10:30? (a) 8:45 (b) 9:55 (c) 9:45 (d) 10:45
  10. 10.What time will it be 20 minutes after 5:30? (a) 5:50 (b) 5:40 (c) 6:50 (d) 4:50
  11. 11.A film starts at 1:10 and ends at 2:40. How long is the film? (a) 1 h 40 min (b) 30 min (c) 1 h 30 min (d) 2 h 30 min
  12. 12.What time will it be 55 minutes after 2:40? (a) 4:35 (b) 3:25 (c) 3:35 (d) 2:35
  13. 13.What time was it 45 minutes before 5:05? (a) 5:20 (b) 3:20 (c) 4:20 (d) 4:30
  14. 14.What time will it be 45 minutes after 10:50? (a) 11:25 (b) 11:35 (c) 10:35 (d) 12:35
  15. 15.A film starts at 6:40 and ends at 9:30. How long is the film? (a) 2 h 50 min (b) 1 h 50 min (c) 3 h (d) 3 h 50 min
  16. 16.A film starts at 4:35 and ends at 7:15. How long is the film? (a) 3 h 40 min (b) 1 h 40 min (c) 2 h 50 min (d) 2 h 40 min
  17. 17.A film starts at 3:15 and ends at 4:35. How long is the film? (a) 2 h 20 min (b) 1 h 20 min (c) 20 min (d) 1 h 30 min
  18. 18.A film starts at 2:15 and ends at 4:55. 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
  19. 19.What time will it be 15 minutes after 1:30? (a) 2:45 (b) 1:55 (c) 1:45 (d) 1:35
  20. 20.What time was it 50 minutes before 5:40? (a) 5:50 (b) 3:50 (c) 5:00 (d) 4:50
  21. 21.What time was it 35 minutes before 5:55? (a) 5:30 (b) 6:20 (c) 5:20 (d) 4:20
  22. 22.A film starts at 7:55 and ends at 9:45. How long is the film? (a) 50 min (b) 1 h 50 min (c) 2 h (d) 2 h 50 min
  23. 23.What time will it be 20 minutes after 7:10? (a) 7:30 (b) 8:30 (c) 6:30 (d) 7:20
  24. 24.What time will it be 35 minutes after 3:50? (a) 4:25 (b) 3:25 (c) 4:15 (d) 5:25
  25. 25.What time will it be 35 minutes after 1:10? (a) 1:35 (b) 1:55 (c) 2:45 (d) 1:45
  26. 26.A film starts at 1:15 and ends at 4:00. How long is the film? (a) 3 h 45 min (b) 2 h 55 min (c) 1 h 45 min (d) 2 h 45 min
  27. 27.A film starts at 1:10 and ends at 3:25. How long is the film? (a) 2 h 25 min (b) 1 h 15 min (c) 2 h 15 min (d) 3 h 15 min
  28. 28.What time will it be 50 minutes after 7:15? (a) 9:05 (b) 7:05 (c) 7:55 (d) 8:05
  29. 29.What time will it be 20 minutes after 4:05? (a) 5:25 (b) 3:25 (c) 4:25 (d) 4:15
  30. 30.A film starts at 2:30 and ends at 4:10. How long is the film? (a) 1 h 40 min (b) 2 h 40 min (c) 1 h 50 min (d) 40 min
  31. 31.What time was it 35 minutes before 4:25? (a) 4:00 (b) 2:50 (c) 3:50 (d) 4:50
  32. 32.What time will it be 20 minutes after 2:35? (a) 1:55 (b) 2:45 (c) 3:55 (d) 2:55
  33. 33.What time was it 40 minutes before 6:25? (a) 4:45 (b) 5:55 (c) 6:45 (d) 5:45
  34. 34.What time was it 50 minutes before 5:05? (a) 5:15 (b) 4:15 (c) 4:25 (d) 3:15
  35. 35.A film starts at 4:45 and ends at 7:15. How long is the film? (a) 2 h 30 min (b) 3 h 30 min (c) 2 h 40 min (d) 1 h 30 min
  36. 36.What time will it be 45 minutes after 2:20? (a) 4:05 (b) 2:05 (c) 3:05 (d) 2:55
  37. 37.What time was it 55 minutes before 4:00? (a) 3:05 (b) 3:15 (c) 2:05 (d) 4:05
  38. 38.What time was it 20 minutes before 9:15? (a) 8:55 (b) 7:55 (c) 9:05 (d) 9:55
  39. 39.What time will it be 50 minutes after 10:40? (a) 10:30 (b) 11:30 (c) 11:20 (d) 12:30
  40. 40.What time will it be 15 minutes after 3:00? (a) 4:15 (b) 2:15 (c) 3:05 (d) 3:15

Answer key

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

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