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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 418 · 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 50 minutes after 2:15? (a) 3:05 (b) 2:05 (c) 2:55 (d) 4:05
  2. 2.What time will it be 50 minutes after 9:10? (a) 11:00 (b) 9:00 (c) 10:00 (d) 9:50
  3. 3.A film starts at 3:50 and ends at 4:45. How long is the film? (a) 1 h 55 min (b) 1 h 5 min (c) 45 min (d) 55 min
  4. 4.What time was it 20 minutes before 8:00? (a) 8:40 (b) 7:40 (c) 6:40 (d) 7:50
  5. 5.What time was it 50 minutes before 10:25? (a) 10:35 (b) 8:35 (c) 9:45 (d) 9:35
  6. 6.A film starts at 7:10 and ends at 7:50. How long is the film? (a) 40 min (b) 30 min (c) 1 h 40 min (d) 50 min
  7. 7.A film starts at 2:10 and ends at 4:55. 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
  8. 8.What time was it 40 minutes before 9:20? (a) 7:40 (b) 9:40 (c) 8:50 (d) 8:40
  9. 9.What time was it 35 minutes before 5:25? (a) 5:00 (b) 4:50 (c) 5:50 (d) 3:50
  10. 10.What time was it 30 minutes before 4:50? (a) 5:20 (b) 3:20 (c) 4:20 (d) 4:30
  11. 11.What time was it 20 minutes before 3:15? (a) 3:55 (b) 3:05 (c) 2:55 (d) 1:55
  12. 12.A film starts at 7:40 and ends at 9:40. How long is the film? (a) 1 h (b) 3 h (c) 2 h (d) 2 h 10 min
  13. 13.What time will it be 20 minutes after 6:45? (a) 6:05 (b) 8:05 (c) 7:05 (d) 6:55
  14. 14.What time will it be 40 minutes after 4:15? (a) 3:55 (b) 5:55 (c) 4:45 (d) 4:55
  15. 15.What time will it be 35 minutes after 10:15? (a) 10:40 (b) 9:50 (c) 10:50 (d) 11:50
  16. 16.A film starts at 7:35 and ends at 8:15. How long is the film? (a) 1 h 40 min (b) 40 min (c) 30 min (d) 50 min
  17. 17.What time will it be 45 minutes after 1:45? (a) 3:30 (b) 1:30 (c) 2:20 (d) 2:30
  18. 18.What time was it 50 minutes before 8:10? (a) 6:20 (b) 8:20 (c) 7:30 (d) 7:20
  19. 19.A film starts at 1:10 and ends at 4:00. How long is the film? (a) 1 h 50 min (b) 3 h (c) 2 h 50 min (d) 3 h 50 min
  20. 20.What time will it be 35 minutes after 4:55? (a) 5:20 (b) 6:30 (c) 4:30 (d) 5:30
  21. 21.What time will it be 35 minutes after 9:25? (a) 10:00 (b) 9:50 (c) 11:00 (d) 9:00
  22. 22.What time was it 40 minutes before 3:00? (a) 3:20 (b) 2:30 (c) 2:20 (d) 1:20
  23. 23.What time was it 40 minutes before 6:05? (a) 5:35 (b) 6:25 (c) 5:25 (d) 4:25
  24. 24.What time will it be 50 minutes after 6:20? (a) 8:10 (b) 6:10 (c) 7:00 (d) 7:10
  25. 25.What time will it be 30 minutes after 7:55? (a) 9:25 (b) 7:25 (c) 8:15 (d) 8:25
  26. 26.A film starts at 2:40 and ends at 4:00. How long is the film? (a) 20 min (b) 2 h 20 min (c) 1 h 30 min (d) 1 h 20 min
  27. 27.A film starts at 4:50 and ends at 5:25. How long is the film? (a) 1 h 35 min (b) 45 min (c) 35 min (d) 25 min
  28. 28.What time was it 40 minutes before 4:35? (a) 2:55 (b) 3:55 (c) 4:55 (d) 4:05
  29. 29.What time will it be 15 minutes after 4:35? (a) 3:50 (b) 4:40 (c) 5:50 (d) 4:50
  30. 30.What time was it 25 minutes before 7:25? (a) 7:10 (b) 7:00 (c) 6:00 (d) 8:00
  31. 31.What time will it be 40 minutes after 7:40? (a) 8:20 (b) 8:10 (c) 7:20 (d) 9:20
  32. 32.What time will it be 45 minutes after 6:05? (a) 5:50 (b) 6:50 (c) 6:40 (d) 7:50
  33. 33.What time will it be 20 minutes after 4:30? (a) 3:50 (b) 5:50 (c) 4:40 (d) 4:50
  34. 34.What time will it be 30 minutes after 2:55? (a) 3:25 (b) 4:25 (c) 3:15 (d) 2:25
  35. 35.What time will it be 15 minutes after 7:20? (a) 7:35 (b) 8:35 (c) 6:35 (d) 7:25
  36. 36.A film starts at 7:15 and ends at 8:10. How long is the film? (a) 1 h 5 min (b) 1 h 55 min (c) 55 min (d) 45 min
  37. 37.What time will it be 40 minutes after 1:10? (a) 2:00 (b) 1:50 (c) 2:50 (d) 1:40
  38. 38.What time will it be 25 minutes after 10:05? (a) 10:20 (b) 9:30 (c) 10:30 (d) 11:30
  39. 39.What time will it be 25 minutes after 7:10? (a) 8:35 (b) 6:35 (c) 7:35 (d) 7:25
  40. 40.What time was it 15 minutes before 8:15? (a) 8:00 (b) 9:00 (c) 7:00 (d) 8:10

Answer key

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

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