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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 130 · 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 9:30? (a) 8:15 (b) 10:15 (c) 9:25 (d) 9:15
  2. 2.What time was it 30 minutes before 4:30? (a) 3:00 (b) 4:10 (c) 4:00 (d) 5:00
  3. 3.What time will it be 35 minutes after 7:10? (a) 6:45 (b) 7:35 (c) 7:45 (d) 8:45
  4. 4.What time will it be 15 minutes after 5:35? (a) 5:50 (b) 6:50 (c) 4:50 (d) 5:40
  5. 5.What time was it 55 minutes before 5:15? (a) 3:20 (b) 4:30 (c) 4:20 (d) 5:20
  6. 6.What time will it be 20 minutes after 2:20? (a) 3:40 (b) 2:40 (c) 2:30 (d) 1:40
  7. 7.What time was it 15 minutes before 11:20? (a) 10:05 (b) 11:15 (c) 11:05 (d) 12:05
  8. 8.A film starts at 5:50 and ends at 8:40. How long is the film? (a) 3 h 50 min (b) 3 h (c) 1 h 50 min (d) 2 h 50 min
  9. 9.What time will it be 40 minutes after 4:15? (a) 4:55 (b) 4:45 (c) 3:55 (d) 5:55
  10. 10.What time will it be 35 minutes after 3:20? (a) 3:45 (b) 3:55 (c) 4:55 (d) 2:55
  11. 11.What time will it be 50 minutes after 4:15? (a) 6:05 (b) 4:05 (c) 4:55 (d) 5:05
  12. 12.What time will it be 20 minutes after 4:40? (a) 5:00 (b) 4:50 (c) 6:00 (d) 4:00
  13. 13.What time was it 55 minutes before 7:40? (a) 6:55 (b) 6:45 (c) 5:45 (d) 7:45
  14. 14.What time will it be 20 minutes after 3:00? (a) 2:20 (b) 4:20 (c) 3:10 (d) 3:20
  15. 15.What time was it 15 minutes before 4:40? (a) 3:25 (b) 4:25 (c) 4:35 (d) 5:25
  16. 16.What time will it be 30 minutes after 2:40? (a) 2:10 (b) 4:10 (c) 3:10 (d) 3:00
  17. 17.A film starts at 2:40 and ends at 3:05. How long is the film? (a) 15 min (b) 35 min (c) 25 min (d) 1 h 25 min
  18. 18.A film starts at 1:50 and ends at 4:35. How long is the film? (a) 2 h 45 min (b) 1 h 45 min (c) 2 h 55 min (d) 3 h 45 min
  19. 19.What time will it be 30 minutes after 3:55? (a) 5:25 (b) 4:15 (c) 3:25 (d) 4:25
  20. 20.What time was it 35 minutes before 2:15? (a) 1:40 (b) 2:40 (c) 1:30 (d) 1:50
  21. 21.A film starts at 3:30 and ends at 4:25. How long is the film? (a) 1 h 5 min (b) 55 min (c) 1 h 55 min (d) 45 min
  22. 22.What time was it 25 minutes before 11:15? (a) 11:50 (b) 9:50 (c) 11:00 (d) 10:50
  23. 23.What time will it be 20 minutes after 6:00? (a) 5:20 (b) 7:20 (c) 6:20 (d) 6:10
  24. 24.What time will it be 20 minutes after 7:20? (a) 7:30 (b) 8:40 (c) 6:40 (d) 7:40
  25. 25.What time will it be 45 minutes after 10:20? (a) 11:05 (b) 10:55 (c) 10:05 (d) 12:05
  26. 26.What time will it be 25 minutes after 1:15? (a) 1:30 (b) 2:40 (c) 1:50 (d) 1:40
  27. 27.A film starts at 3:10 and ends at 5:20. How long is the film? (a) 2 h 10 min (b) 2 h 20 min (c) 1 h 10 min (d) 3 h 10 min
  28. 28.What time was it 40 minutes before 10:00? (a) 9:30 (b) 8:20 (c) 9:20 (d) 10:20
  29. 29.What time was it 20 minutes before 7:00? (a) 5:40 (b) 6:40 (c) 7:40 (d) 6:50
  30. 30.What time was it 25 minutes before 7:00? (a) 6:35 (b) 5:35 (c) 6:45 (d) 7:35
  31. 31.A film starts at 6:25 and ends at 7:15. How long is the film? (a) 40 min (b) 50 min (c) 1 h (d) 1 h 50 min
  32. 32.What time will it be 35 minutes after 7:05? (a) 7:30 (b) 8:40 (c) 7:40 (d) 6:40
  33. 33.A film starts at 6:35 and ends at 8:45. How long is the film? (a) 2 h 20 min (b) 3 h 10 min (c) 1 h 10 min (d) 2 h 10 min
  34. 34.A film starts at 1:05 and ends at 3:45. How long is the film? (a) 2 h 50 min (b) 3 h 40 min (c) 2 h 40 min (d) 1 h 40 min
  35. 35.What time was it 25 minutes before 3:45? (a) 3:30 (b) 4:20 (c) 3:20 (d) 2:20
  36. 36.What time was it 35 minutes before 4:35? (a) 3:00 (b) 4:10 (c) 4:00 (d) 5:00
  37. 37.A film starts at 7:30 and ends at 10:00. How long is the film? (a) 2 h 40 min (b) 1 h 30 min (c) 2 h 30 min (d) 3 h 30 min
  38. 38.What time will it be 25 minutes after 3:05? (a) 3:20 (b) 4:30 (c) 3:30 (d) 2:30
  39. 39.A film starts at 5:05 and ends at 5:25. How long is the film? (a) 20 min (b) 30 min (c) 1 h 20 min (d) 10 min
  40. 40.What time will it be 35 minutes after 3:40? (a) 5:15 (b) 3:15 (c) 4:15 (d) 4:05

Answer key

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

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