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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 904 · 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 3:20? (a) 4:05 (b) 2:05 (c) 3:15 (d) 3:05
  2. 2.A film starts at 7:15 and ends at 8:25. How long is the film? (a) 1 h 20 min (b) 1 h 10 min (c) 2 h 10 min (d) 10 min
  3. 3.What time will it be 15 minutes after 1:15? (a) 1:20 (b) 1:30 (c) 2:30 (d) 1:40
  4. 4.What time was it 50 minutes before 6:15? (a) 5:35 (b) 5:25 (c) 4:25 (d) 6:25
  5. 5.A film starts at 5:10 and ends at 8:05. How long is the film? (a) 3 h 55 min (b) 2 h 55 min (c) 1 h 55 min (d) 3 h 5 min
  6. 6.A film starts at 4:45 and ends at 5:30. How long is the film? (a) 35 min (b) 55 min (c) 1 h 45 min (d) 45 min
  7. 7.What time was it 45 minutes before 5:15? (a) 4:40 (b) 5:30 (c) 3:30 (d) 4:30
  8. 8.What time will it be 25 minutes after 7:05? (a) 8:30 (b) 7:20 (c) 7:30 (d) 6:30
  9. 9.What time was it 20 minutes before 2:30? (a) 1:10 (b) 2:10 (c) 2:20 (d) 3:10
  10. 10.A film starts at 2:20 and ends at 4:40. How long is the film? (a) 2 h 20 min (b) 1 h 20 min (c) 3 h 20 min (d) 2 h 30 min
  11. 11.What time will it be 20 minutes after 4:30? (a) 4:40 (b) 5:50 (c) 3:50 (d) 4:50
  12. 12.What time was it 15 minutes before 10:00? (a) 9:45 (b) 8:45 (c) 10:45 (d) 9:55
  13. 13.What time will it be 20 minutes after 6:25? (a) 6:35 (b) 5:45 (c) 7:45 (d) 6:45
  14. 14.What time will it be 30 minutes after 10:30? (a) 12:00 (b) 10:50 (c) 11:00 (d) 10:00
  15. 15.What time will it be 30 minutes after 8:55? (a) 8:25 (b) 9:25 (c) 10:25 (d) 9:15
  16. 16.What time will it be 45 minutes after 3:45? (a) 4:30 (b) 3:30 (c) 5:30 (d) 4:20
  17. 17.What time will it be 40 minutes after 7:35? (a) 8:05 (b) 7:15 (c) 9:15 (d) 8:15
  18. 18.A film starts at 4:15 and ends at 6:55. How long is the film? (a) 3 h 40 min (b) 2 h 50 min (c) 2 h 40 min (d) 1 h 40 min
  19. 19.What time will it be 15 minutes after 9:30? (a) 8:45 (b) 9:35 (c) 9:45 (d) 10:45
  20. 20.A film starts at 3:00 and ends at 5:55. How long is the film? (a) 2 h 55 min (b) 1 h 55 min (c) 3 h 5 min (d) 3 h 55 min
  21. 21.A film starts at 2:00 and ends at 4:00. How long is the film? (a) 3 h (b) 1 h (c) 2 h 10 min (d) 2 h
  22. 22.What time was it 15 minutes before 7:50? (a) 6:35 (b) 7:45 (c) 8:35 (d) 7:35
  23. 23.What time was it 30 minutes before 6:35? (a) 5:05 (b) 7:05 (c) 6:05 (d) 6:15
  24. 24.What time will it be 15 minutes after 8:40? (a) 8:55 (b) 7:55 (c) 9:55 (d) 8:45
  25. 25.What time was it 30 minutes before 8:05? (a) 6:35 (b) 7:45 (c) 8:35 (d) 7:35
  26. 26.A film starts at 8:00 and ends at 9:15. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 15 min (d) 1 h 25 min
  27. 27.What time was it 25 minutes before 8:30? (a) 9:05 (b) 7:05 (c) 8:15 (d) 8:05
  28. 28.What time will it be 40 minutes after 6:40? (a) 6:20 (b) 7:10 (c) 7:20 (d) 8:20
  29. 29.A film starts at 7:00 and ends at 8:25. How long is the film? (a) 2 h 25 min (b) 25 min (c) 1 h 35 min (d) 1 h 25 min
  30. 30.What time will it be 35 minutes after 10:35? (a) 11:10 (b) 10:10 (c) 12:10 (d) 11:00
  31. 31.A film starts at 1:50 and ends at 2:25. How long is the film? (a) 25 min (b) 1 h 35 min (c) 35 min (d) 45 min
  32. 32.A film starts at 7:45 and ends at 9:15. How long is the film? (a) 30 min (b) 1 h 40 min (c) 1 h 30 min (d) 2 h 30 min
  33. 33.What time will it be 40 minutes after 7:00? (a) 8:40 (b) 7:30 (c) 7:40 (d) 6:40
  34. 34.What time will it be 20 minutes after 4:10? (a) 3:30 (b) 5:30 (c) 4:30 (d) 4:20
  35. 35.A film starts at 8:40 and ends at 9:55. How long is the film? (a) 1 h 15 min (b) 1 h 25 min (c) 2 h 15 min (d) 15 min
  36. 36.What time will it be 35 minutes after 7:30? (a) 9:05 (b) 7:05 (c) 7:55 (d) 8:05
  37. 37.What time will it be 15 minutes after 5:10? (a) 4:25 (b) 6:25 (c) 5:25 (d) 5:15
  38. 38.What time will it be 45 minutes after 2:25? (a) 3:10 (b) 4:10 (c) 3:00 (d) 2:10
  39. 39.What time was it 35 minutes before 3:55? (a) 3:20 (b) 2:20 (c) 3:30 (d) 4:20
  40. 40.What time will it be 55 minutes after 3:20? (a) 3:15 (b) 4:15 (c) 5:15 (d) 4:05

Answer key

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

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