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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 600 · 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 30 minutes before 5:15? (a) 3:45 (b) 4:45 (c) 5:45 (d) 4:55
  2. 2.What time was it 40 minutes before 8:35? (a) 8:55 (b) 6:55 (c) 7:55 (d) 8:05
  3. 3.What time was it 50 minutes before 4:50? (a) 3:00 (b) 4:00 (c) 5:00 (d) 4:10
  4. 4.What time will it be 25 minutes after 1:15? (a) 1:50 (b) 1:40 (c) 1:30 (d) 2:40
  5. 5.What time was it 25 minutes before 4:45? (a) 4:30 (b) 4:20 (c) 3:20 (d) 5:20
  6. 6.A film starts at 1:15 and ends at 4:15. How long is the film? (a) 3 h 10 min (b) 3 h (c) 2 h (d) 4 h
  7. 7.What time will it be 15 minutes after 9:10? (a) 8:25 (b) 9:25 (c) 10:25 (d) 9:15
  8. 8.What time will it be 20 minutes after 5:15? (a) 5:35 (b) 6:35 (c) 4:35 (d) 5:25
  9. 9.What time was it 40 minutes before 3:20? (a) 1:40 (b) 2:50 (c) 3:40 (d) 2:40
  10. 10.What time was it 30 minutes before 4:00? (a) 2:30 (b) 3:40 (c) 4:30 (d) 3:30
  11. 11.What time was it 15 minutes before 10:10? (a) 10:55 (b) 8:55 (c) 9:55 (d) 10:05
  12. 12.What time was it 30 minutes before 11:00? (a) 10:40 (b) 9:30 (c) 11:30 (d) 10:30
  13. 13.What time will it be 35 minutes after 3:50? (a) 5:25 (b) 3:25 (c) 4:15 (d) 4:25
  14. 14.What time was it 20 minutes before 8:40? (a) 8:30 (b) 7:20 (c) 8:20 (d) 9:20
  15. 15.A film starts at 5:10 and ends at 7:15. How long is the film? (a) 1 h 5 min (b) 2 h 15 min (c) 2 h 5 min (d) 3 h 5 min
  16. 16.What time will it be 40 minutes after 7:35? (a) 8:05 (b) 7:15 (c) 9:15 (d) 8:15
  17. 17.What time will it be 25 minutes after 10:50? (a) 11:15 (b) 10:15 (c) 11:05 (d) 12:15
  18. 18.What time will it be 50 minutes after 2:55? (a) 3:35 (b) 2:45 (c) 3:45 (d) 4:45
  19. 19.What time will it be 55 minutes after 2:15? (a) 4:10 (b) 3:00 (c) 2:10 (d) 3:10
  20. 20.What time was it 50 minutes before 2:05? (a) 1:05 (b) 1:15 (c) 1:25 (d) 2:15
  21. 21.A film starts at 6:50 and ends at 9:10. How long is the film? (a) 3 h 20 min (b) 1 h 20 min (c) 2 h 30 min (d) 2 h 20 min
  22. 22.What time will it be 45 minutes after 9:25? (a) 10:10 (b) 9:10 (c) 10:00 (d) 11:10
  23. 23.What time will it be 40 minutes after 3:50? (a) 3:30 (b) 4:20 (c) 4:30 (d) 5:30
  24. 24.A film starts at 2:15 and ends at 4:20. How long is the film? (a) 3 h 5 min (b) 2 h 5 min (c) 1 h 5 min (d) 2 h 15 min
  25. 25.What time will it be 20 minutes after 7:50? (a) 7:10 (b) 8:10 (c) 8:00 (d) 9:10
  26. 26.A film starts at 1:00 and ends at 2:10. How long is the film? (a) 1 h 20 min (b) 10 min (c) 2 h 10 min (d) 1 h 10 min
  27. 27.What time was it 55 minutes before 2:45? (a) 1:50 (b) 2:50 (c) 1:40 (d) 2:00
  28. 28.What time will it be 45 minutes after 3:25? (a) 5:10 (b) 4:00 (c) 3:10 (d) 4:10
  29. 29.What time will it be 50 minutes after 1:10? (a) 1:00 (b) 2:00 (c) 1:50 (d) 3:00
  30. 30.What time was it 30 minutes before 11:50? (a) 10:20 (b) 12:20 (c) 11:30 (d) 11:20
  31. 31.What time will it be 30 minutes after 2:55? (a) 3:25 (b) 3:15 (c) 2:25 (d) 4:25
  32. 32.What time will it be 30 minutes after 8:40? (a) 10:10 (b) 8:10 (c) 9:10 (d) 9:00
  33. 33.What time was it 30 minutes before 6:40? (a) 6:10 (b) 7:10 (c) 6:20 (d) 5:10
  34. 34.A film starts at 3:15 and ends at 4:00. How long is the film? (a) 55 min (b) 45 min (c) 35 min (d) 1 h 45 min
  35. 35.What time will it be 55 minutes after 9:45? (a) 9:40 (b) 10:40 (c) 11:40 (d) 10:30
  36. 36.What time was it 25 minutes before 5:25? (a) 5:10 (b) 4:00 (c) 6:00 (d) 5:00
  37. 37.What time was it 40 minutes before 6:50? (a) 6:20 (b) 6:10 (c) 7:10 (d) 5:10
  38. 38.What time will it be 50 minutes after 2:15? (a) 2:55 (b) 3:05 (c) 2:05 (d) 4:05
  39. 39.What time was it 15 minutes before 4:45? (a) 4:40 (b) 4:30 (c) 3:30 (d) 5:30
  40. 40.What time will it be 15 minutes after 1:35? (a) 2:50 (b) 1:50 (c) 2:00 (d) 1:40

Answer key

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

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