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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 350 · 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.A film starts at 4:45 and ends at 6:00. How long is the film? (a) 15 min (b) 1 h 25 min (c) 1 h 15 min (d) 2 h 15 min
  2. 2.What time will it be 55 minutes after 1:50? (a) 1:45 (b) 2:35 (c) 3:45 (d) 2:45
  3. 3.What time will it be 20 minutes after 9:30? (a) 9:40 (b) 8:50 (c) 9:50 (d) 10:50
  4. 4.What time will it be 55 minutes after 6:25? (a) 8:20 (b) 7:10 (c) 6:20 (d) 7:20
  5. 5.What time will it be 45 minutes after 9:35? (a) 11:20 (b) 9:20 (c) 10:10 (d) 10:20
  6. 6.A film starts at 5:35 and ends at 8:05. How long is the film? (a) 2 h 40 min (b) 3 h 30 min (c) 1 h 30 min (d) 2 h 30 min
  7. 7.What time was it 15 minutes before 4:15? (a) 4:00 (b) 4:10 (c) 3:00 (d) 5:00
  8. 8.What time was it 20 minutes before 2:20? (a) 2:00 (b) 1:00 (c) 3:00 (d) 2:10
  9. 9.What time will it be 55 minutes after 1:30? (a) 2:25 (b) 2:15 (c) 1:25 (d) 3:25
  10. 10.What time will it be 50 minutes after 8:45? (a) 10:35 (b) 8:35 (c) 9:25 (d) 9:35
  11. 11.What time will it be 40 minutes after 7:30? (a) 8:00 (b) 9:10 (c) 8:10 (d) 7:10
  12. 12.What time was it 25 minutes before 9:35? (a) 8:10 (b) 10:10 (c) 9:20 (d) 9:10
  13. 13.What time will it be 45 minutes after 2:10? (a) 1:55 (b) 2:45 (c) 3:55 (d) 2:55
  14. 14.What time was it 35 minutes before 9:10? (a) 8:35 (b) 9:35 (c) 7:35 (d) 8:45
  15. 15.A film starts at 7:20 and ends at 9:15. How long is the film? (a) 55 min (b) 2 h 5 min (c) 1 h 55 min (d) 2 h 55 min
  16. 16.What time will it be 35 minutes after 4:05? (a) 4:40 (b) 4:30 (c) 5:40 (d) 3:40
  17. 17.What time was it 30 minutes before 4:55? (a) 3:25 (b) 4:25 (c) 4:35 (d) 5:25
  18. 18.A film starts at 7:20 and ends at 9:40. How long is the film? (a) 2 h 20 min (b) 3 h 20 min (c) 2 h 30 min (d) 1 h 20 min
  19. 19.A film starts at 2:35 and ends at 3:20. How long is the film? (a) 45 min (b) 1 h 45 min (c) 55 min (d) 35 min
  20. 20.A film starts at 6:20 and ends at 8:30. How long is the film? (a) 2 h 20 min (b) 1 h 10 min (c) 3 h 10 min (d) 2 h 10 min
  21. 21.A film starts at 1:20 and ends at 1:50. How long is the film? (a) 30 min (b) 40 min (c) 20 min (d) 1 h 30 min
  22. 22.What time was it 20 minutes before 10:20? (a) 10:10 (b) 10:00 (c) 9:00 (d) 11:00
  23. 23.What time will it be 30 minutes after 1:45? (a) 2:15 (b) 2:05 (c) 3:15 (d) 1:15
  24. 24.What time was it 30 minutes before 3:20? (a) 3:50 (b) 3:00 (c) 2:50 (d) 1:50
  25. 25.A film starts at 8:25 and ends at 10:35. How long is the film? (a) 2 h 10 min (b) 1 h 10 min (c) 2 h 20 min (d) 3 h 10 min
  26. 26.What time was it 20 minutes before 5:15? (a) 4:55 (b) 3:55 (c) 5:05 (d) 5:55
  27. 27.A film starts at 2:30 and ends at 3:30. How long is the film? (a) 1 h 10 min (b) 1 h (c) 2 h (d) 50 min
  28. 28.What time was it 50 minutes before 6:45? (a) 6:55 (b) 6:05 (c) 5:55 (d) 4:55
  29. 29.What time will it be 25 minutes after 10:10? (a) 9:35 (b) 10:25 (c) 10:35 (d) 11:35
  30. 30.What time was it 50 minutes before 6:10? (a) 4:20 (b) 6:20 (c) 5:20 (d) 5:30
  31. 31.What time will it be 15 minutes after 6:30? (a) 6:45 (b) 6:35 (c) 7:45 (d) 5:45
  32. 32.What time will it be 40 minutes after 3:50? (a) 4:20 (b) 5:30 (c) 3:30 (d) 4:30
  33. 33.What time will it be 35 minutes after 1:20? (a) 2:05 (b) 2:55 (c) 1:55 (d) 1:45
  34. 34.A film starts at 5:25 and ends at 7:15. How long is the film? (a) 1 h 50 min (b) 2 h (c) 2 h 50 min (d) 50 min
  35. 35.What time will it be 40 minutes after 5:25? (a) 5:55 (b) 5:05 (c) 6:05 (d) 7:05
  36. 36.What time will it be 50 minutes after 8:40? (a) 9:20 (b) 9:30 (c) 10:30 (d) 8:30
  37. 37.A film starts at 7:35 and ends at 7:55. How long is the film? (a) 30 min (b) 10 min (c) 1 h 20 min (d) 20 min
  38. 38.What time will it be 25 minutes after 5:35? (a) 6:00 (b) 5:50 (c) 7:00 (d) 5:00
  39. 39.What time will it be 20 minutes after 8:55? (a) 9:15 (b) 9:05 (c) 10:15 (d) 8:15
  40. 40.What time was it 45 minutes before 3:20? (a) 2:35 (b) 3:35 (c) 1:35 (d) 2:45

Answer key

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

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