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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 810 · 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 15 minutes before 9:10? (a) 9:05 (b) 8:55 (c) 9:55 (d) 7:55
  2. 2.What time will it be 35 minutes after 6:35? (a) 6:10 (b) 7:00 (c) 7:10 (d) 8:10
  3. 3.What time will it be 55 minutes after 2:15? (a) 2:10 (b) 3:00 (c) 4:10 (d) 3:10
  4. 4.What time will it be 55 minutes after 3:00? (a) 4:55 (b) 3:45 (c) 3:55 (d) 2:55
  5. 5.What time will it be 30 minutes after 2:00? (a) 2:30 (b) 3:30 (c) 2:20 (d) 1:30
  6. 6.What time was it 30 minutes before 8:00? (a) 7:30 (b) 8:30 (c) 6:30 (d) 7:40
  7. 7.What time will it be 40 minutes after 7:20? (a) 7:50 (b) 7:00 (c) 8:00 (d) 9:00
  8. 8.A film starts at 5:30 and ends at 8:10. How long is the film? (a) 2 h 50 min (b) 1 h 40 min (c) 2 h 40 min (d) 3 h 40 min
  9. 9.What time was it 35 minutes before 8:20? (a) 8:45 (b) 6:45 (c) 7:55 (d) 7:45
  10. 10.What time will it be 50 minutes after 4:35? (a) 4:25 (b) 5:15 (c) 6:25 (d) 5:25
  11. 11.What time was it 40 minutes before 9:25? (a) 7:45 (b) 8:45 (c) 8:55 (d) 9:45
  12. 12.What time will it be 40 minutes after 6:50? (a) 7:20 (b) 6:30 (c) 7:30 (d) 8:30
  13. 13.A film starts at 1:50 and ends at 4:00. How long is the film? (a) 2 h 20 min (b) 3 h 10 min (c) 2 h 10 min (d) 1 h 10 min
  14. 14.A film starts at 5:10 and ends at 6:35. How long is the film? (a) 25 min (b) 1 h 25 min (c) 2 h 25 min (d) 1 h 35 min
  15. 15.What time will it be 25 minutes after 8:30? (a) 9:55 (b) 8:45 (c) 7:55 (d) 8:55
  16. 16.A film starts at 2:05 and ends at 3:35. How long is the film? (a) 30 min (b) 1 h 40 min (c) 1 h 30 min (d) 2 h 30 min
  17. 17.What time was it 45 minutes before 8:50? (a) 9:05 (b) 8:15 (c) 8:05 (d) 7:05
  18. 18.A film starts at 8:15 and ends at 9:10. How long is the film? (a) 1 h 5 min (b) 1 h 55 min (c) 45 min (d) 55 min
  19. 19.What time will it be 35 minutes after 1:25? (a) 2:00 (b) 1:50 (c) 3:00 (d) 1:00
  20. 20.A film starts at 1:10 and ends at 3:50. How long is the film? (a) 2 h 40 min (b) 3 h 40 min (c) 1 h 40 min (d) 2 h 50 min
  21. 21.What time will it be 50 minutes after 3:20? (a) 4:00 (b) 5:10 (c) 3:10 (d) 4:10
  22. 22.What time will it be 45 minutes after 10:30? (a) 10:15 (b) 11:15 (c) 11:05 (d) 12:15
  23. 23.What time will it be 20 minutes after 1:05? (a) 2:25 (b) 1:35 (c) 1:15 (d) 1:25
  24. 24.What time was it 30 minutes before 10:45? (a) 10:25 (b) 11:15 (c) 9:15 (d) 10:15
  25. 25.A film starts at 7:05 and ends at 7:25. How long is the film? (a) 30 min (b) 20 min (c) 10 min (d) 1 h 20 min
  26. 26.What time was it 30 minutes before 10:55? (a) 10:35 (b) 9:25 (c) 11:25 (d) 10:25
  27. 27.A film starts at 3:50 and ends at 5:55. How long is the film? (a) 3 h 5 min (b) 2 h 15 min (c) 1 h 5 min (d) 2 h 5 min
  28. 28.What time will it be 25 minutes after 10:30? (a) 10:55 (b) 11:55 (c) 10:45 (d) 9:55
  29. 29.What time will it be 20 minutes after 6:25? (a) 7:45 (b) 6:45 (c) 5:45 (d) 6:35
  30. 30.What time will it be 35 minutes after 4:05? (a) 3:40 (b) 5:40 (c) 4:30 (d) 4:40
  31. 31.What time will it be 45 minutes after 10:20? (a) 10:55 (b) 11:05 (c) 10:05 (d) 12:05
  32. 32.What time was it 45 minutes before 2:35? (a) 2:50 (b) 2:00 (c) 1:50 (d) 1:40
  33. 33.What time will it be 20 minutes after 10:15? (a) 10:25 (b) 10:35 (c) 9:35 (d) 11:35
  34. 34.What time was it 45 minutes before 11:35? (a) 11:00 (b) 9:50 (c) 11:50 (d) 10:50
  35. 35.What time was it 20 minutes before 2:25? (a) 2:15 (b) 1:05 (c) 2:05 (d) 3:05
  36. 36.A film starts at 7:05 and ends at 8:30. How long is the film? (a) 2 h 25 min (b) 1 h 35 min (c) 25 min (d) 1 h 25 min
  37. 37.What time will it be 15 minutes after 7:20? (a) 7:35 (b) 6:35 (c) 8:35 (d) 7:25
  38. 38.What time will it be 30 minutes after 1:35? (a) 3:05 (b) 1:55 (c) 2:05 (d) 1:05
  39. 39.What time will it be 15 minutes after 2:35? (a) 3:50 (b) 2:50 (c) 2:40 (d) 1:50
  40. 40.What time will it be 45 minutes after 8:15? (a) 8:00 (b) 9:00 (c) 10:00 (d) 8:50

Answer key

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

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