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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 508 · 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 15 minutes after 1:15? (a) 2:30 (b) 1:30 (c) 1:40 (d) 1:20
  2. 2.What time was it 45 minutes before 8:30? (a) 7:45 (b) 7:55 (c) 6:45 (d) 8:45
  3. 3.What time will it be 55 minutes after 7:55? (a) 8:50 (b) 7:50 (c) 9:50 (d) 8:40
  4. 4.What time will it be 20 minutes after 10:05? (a) 9:25 (b) 11:25 (c) 10:15 (d) 10:25
  5. 5.A film starts at 1:00 and ends at 1:45. How long is the film? (a) 1 h 45 min (b) 55 min (c) 45 min (d) 35 min
  6. 6.What time will it be 30 minutes after 7:00? (a) 8:30 (b) 7:20 (c) 6:30 (d) 7:30
  7. 7.What time will it be 30 minutes after 7:05? (a) 7:35 (b) 6:35 (c) 7:25 (d) 8:35
  8. 8.What time will it be 15 minutes after 5:10? (a) 5:15 (b) 6:25 (c) 5:25 (d) 4:25
  9. 9.A film starts at 2:20 and ends at 4:20. How long is the film? (a) 1 h (b) 3 h (c) 2 h 10 min (d) 2 h
  10. 10.What time was it 15 minutes before 2:00? (a) 1:55 (b) 1:45 (c) 1:35 (d) 2:45
  11. 11.What time will it be 15 minutes after 10:15? (a) 10:20 (b) 11:30 (c) 10:30 (d) 9:30
  12. 12.What time will it be 45 minutes after 1:05? (a) 1:50 (b) 1:40 (c) 2:00 (d) 2:50
  13. 13.What time will it be 50 minutes after 3:35? (a) 4:25 (b) 4:15 (c) 3:25 (d) 5:25
  14. 14.What time was it 55 minutes before 6:10? (a) 5:15 (b) 4:15 (c) 5:25 (d) 6:15
  15. 15.What time will it be 35 minutes after 6:00? (a) 6:35 (b) 6:25 (c) 7:35 (d) 5:35
  16. 16.A film starts at 8:00 and ends at 10:15. How long is the film? (a) 1 h 15 min (b) 2 h 15 min (c) 3 h 15 min (d) 2 h 25 min
  17. 17.What time will it be 25 minutes after 9:45? (a) 10:00 (b) 9:10 (c) 10:10 (d) 11:10
  18. 18.What time will it be 20 minutes after 3:35? (a) 3:55 (b) 2:55 (c) 3:45 (d) 4:55
  19. 19.What time was it 55 minutes before 7:00? (a) 5:05 (b) 6:15 (c) 6:05 (d) 7:05
  20. 20.What time will it be 15 minutes after 1:40? (a) 1:55 (b) 1:45 (c) 2:55 (d) 2:05
  21. 21.A film starts at 7:25 and ends at 7:45. How long is the film? (a) 1 h 20 min (b) 10 min (c) 30 min (d) 20 min
  22. 22.A film starts at 6:45 and ends at 9:35. How long is the film? (a) 2 h 50 min (b) 3 h (c) 1 h 50 min (d) 3 h 50 min
  23. 23.What time was it 55 minutes before 11:50? (a) 11:55 (b) 11:05 (c) 9:55 (d) 10:55
  24. 24.What time will it be 20 minutes after 9:35? (a) 9:55 (b) 8:55 (c) 10:55 (d) 9:45
  25. 25.What time will it be 45 minutes after 5:10? (a) 5:45 (b) 5:55 (c) 6:55 (d) 4:55
  26. 26.What time was it 20 minutes before 7:35? (a) 8:15 (b) 7:25 (c) 7:15 (d) 6:15
  27. 27.What time will it be 15 minutes after 1:05? (a) 1:10 (b) 2:20 (c) 1:20 (d) 1:30
  28. 28.What time will it be 50 minutes after 8:10? (a) 8:50 (b) 10:00 (c) 9:00 (d) 8:00
  29. 29.What time was it 40 minutes before 3:20? (a) 1:40 (b) 3:40 (c) 2:50 (d) 2:40
  30. 30.A film starts at 4:50 and ends at 5:25. How long is the film? (a) 45 min (b) 1 h 35 min (c) 25 min (d) 35 min
  31. 31.What time was it 30 minutes before 2:50? (a) 2:30 (b) 3:20 (c) 1:20 (d) 2:20
  32. 32.What time was it 15 minutes before 5:35? (a) 4:20 (b) 5:30 (c) 6:20 (d) 5:20
  33. 33.What time was it 20 minutes before 5:55? (a) 5:45 (b) 5:35 (c) 6:35 (d) 4:35
  34. 34.What time was it 40 minutes before 4:45? (a) 4:15 (b) 5:05 (c) 3:05 (d) 4:05
  35. 35.What time will it be 45 minutes after 9:30? (a) 11:15 (b) 10:05 (c) 9:15 (d) 10:15
  36. 36.What time will it be 55 minutes after 9:25? (a) 9:20 (b) 10:20 (c) 11:20 (d) 10:10
  37. 37.What time was it 50 minutes before 7:00? (a) 6:10 (b) 7:10 (c) 6:20 (d) 5:10
  38. 38.A film starts at 5:50 and ends at 7:40. How long is the film? (a) 2 h (b) 2 h 50 min (c) 1 h 50 min (d) 50 min
  39. 39.What time will it be 40 minutes after 3:10? (a) 2:50 (b) 3:40 (c) 3:50 (d) 4:50
  40. 40.A film starts at 1:45 and ends at 4:40. How long is the film? (a) 3 h 55 min (b) 3 h 5 min (c) 2 h 55 min (d) 1 h 55 min

Answer key

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

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