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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 131 · 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 35 minutes before 9:20? (a) 7:45 (b) 8:55 (c) 8:45 (d) 9:45
  2. 2.A film starts at 6:00 and ends at 8:40. How long is the film? (a) 1 h 40 min (b) 2 h 40 min (c) 2 h 50 min (d) 3 h 40 min
  3. 3.A film starts at 8:45 and ends at 11:40. How long is the film? (a) 3 h 5 min (b) 3 h 55 min (c) 1 h 55 min (d) 2 h 55 min
  4. 4.A film starts at 1:25 and ends at 1:45. How long is the film? (a) 30 min (b) 20 min (c) 10 min (d) 1 h 20 min
  5. 5.What time will it be 55 minutes after 4:45? (a) 4:40 (b) 5:30 (c) 5:40 (d) 6:40
  6. 6.What time was it 55 minutes before 5:45? (a) 5:50 (b) 4:50 (c) 3:50 (d) 5:00
  7. 7.What time was it 25 minutes before 7:15? (a) 7:50 (b) 7:00 (c) 6:50 (d) 5:50
  8. 8.What time will it be 15 minutes after 1:45? (a) 1:50 (b) 3:00 (c) 2:00 (d) 1:00
  9. 9.A film starts at 3:25 and ends at 4:10. How long is the film? (a) 45 min (b) 55 min (c) 1 h 45 min (d) 35 min
  10. 10.A film starts at 2:50 and ends at 4:10. How long is the film? (a) 2 h 20 min (b) 1 h 20 min (c) 1 h 30 min (d) 20 min
  11. 11.What time will it be 15 minutes after 4:05? (a) 5:20 (b) 3:20 (c) 4:20 (d) 4:10
  12. 12.What time was it 50 minutes before 3:20? (a) 2:40 (b) 3:30 (c) 2:30 (d) 1:30
  13. 13.What time will it be 55 minutes after 10:55? (a) 11:50 (b) 10:50 (c) 11:40 (d) 12:50
  14. 14.What time was it 30 minutes before 6:00? (a) 6:30 (b) 5:30 (c) 5:40 (d) 4:30
  15. 15.What time was it 20 minutes before 11:45? (a) 12:25 (b) 10:25 (c) 11:25 (d) 11:35
  16. 16.What time will it be 40 minutes after 10:55? (a) 11:35 (b) 12:35 (c) 10:35 (d) 11:25
  17. 17.What time will it be 20 minutes after 7:15? (a) 7:35 (b) 7:25 (c) 8:35 (d) 6:35
  18. 18.What time was it 35 minutes before 9:30? (a) 9:05 (b) 8:55 (c) 7:55 (d) 9:55
  19. 19.A film starts at 5:25 and ends at 6:20. How long is the film? (a) 1 h 55 min (b) 55 min (c) 1 h 5 min (d) 45 min
  20. 20.What time was it 20 minutes before 4:10? (a) 2:50 (b) 4:50 (c) 3:50 (d) 4:00
  21. 21.What time will it be 55 minutes after 7:25? (a) 7:20 (b) 8:10 (c) 8:20 (d) 9:20
  22. 22.What time will it be 35 minutes after 5:10? (a) 4:45 (b) 6:45 (c) 5:35 (d) 5:45
  23. 23.What time was it 20 minutes before 2:55? (a) 3:35 (b) 2:45 (c) 1:35 (d) 2:35
  24. 24.What time was it 15 minutes before 5:25? (a) 6:10 (b) 5:10 (c) 4:10 (d) 5:20
  25. 25.What time was it 30 minutes before 9:50? (a) 10:20 (b) 9:20 (c) 8:20 (d) 9:30
  26. 26.What time will it be 15 minutes after 6:40? (a) 7:55 (b) 6:55 (c) 6:45 (d) 5:55
  27. 27.What time was it 20 minutes before 10:50? (a) 11:30 (b) 9:30 (c) 10:40 (d) 10:30
  28. 28.What time was it 45 minutes before 5:35? (a) 5:00 (b) 4:50 (c) 5:50 (d) 3:50
  29. 29.What time will it be 20 minutes after 8:55? (a) 9:15 (b) 10:15 (c) 8:15 (d) 9:05
  30. 30.What time will it be 15 minutes after 8:55? (a) 9:00 (b) 8:10 (c) 9:10 (d) 10:10
  31. 31.What time was it 50 minutes before 5:15? (a) 4:35 (b) 4:25 (c) 3:25 (d) 5:25
  32. 32.What time was it 25 minutes before 3:45? (a) 4:20 (b) 3:30 (c) 2:20 (d) 3:20
  33. 33.What time was it 40 minutes before 5:45? (a) 5:15 (b) 6:05 (c) 5:05 (d) 4:05
  34. 34.What time will it be 25 minutes after 10:20? (a) 11:45 (b) 10:35 (c) 9:45 (d) 10:45
  35. 35.What time will it be 50 minutes after 5:50? (a) 6:30 (b) 6:40 (c) 7:40 (d) 5:40
  36. 36.What time was it 55 minutes before 11:25? (a) 10:30 (b) 11:30 (c) 10:40 (d) 9:30
  37. 37.What time was it 35 minutes before 8:40? (a) 8:15 (b) 9:05 (c) 7:05 (d) 8:05
  38. 38.What time will it be 35 minutes after 5:35? (a) 6:00 (b) 7:10 (c) 5:10 (d) 6:10
  39. 39.A film starts at 1:00 and ends at 2:35. How long is the film? (a) 2 h 35 min (b) 1 h 45 min (c) 35 min (d) 1 h 35 min
  40. 40.What time will it be 15 minutes after 7:05? (a) 8:20 (b) 6:20 (c) 7:10 (d) 7:20

Answer key

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

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