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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 630 · 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 will it be 50 minutes after 8:15? (a) 9:05 (b) 10:05 (c) 8:55 (d) 8:05
  2. 2.What time was it 45 minutes before 4:20? (a) 2:35 (b) 4:35 (c) 3:45 (d) 3:35
  3. 3.What time will it be 55 minutes after 9:05? (a) 10:00 (b) 11:00 (c) 9:00 (d) 9:50
  4. 4.A film starts at 8:00 and ends at 9:50. How long is the film? (a) 50 min (b) 2 h (c) 1 h 50 min (d) 2 h 50 min
  5. 5.What time will it be 30 minutes after 4:45? (a) 5:15 (b) 6:15 (c) 5:05 (d) 4:15
  6. 6.A film starts at 3:50 and ends at 4:55. How long is the film? (a) 1 h 15 min (b) 1 h 5 min (c) 5 min (d) 2 h 5 min
  7. 7.A film starts at 2:00 and ends at 3:05. How long is the film? (a) 1 h 15 min (b) 2 h 5 min (c) 5 min (d) 1 h 5 min
  8. 8.What time was it 50 minutes before 8:55? (a) 7:05 (b) 8:05 (c) 9:05 (d) 8:15
  9. 9.A film starts at 3:25 and ends at 3:50. How long is the film? (a) 1 h 25 min (b) 15 min (c) 35 min (d) 25 min
  10. 10.What time will it be 50 minutes after 10:50? (a) 11:40 (b) 11:30 (c) 10:40 (d) 12:40
  11. 11.What time will it be 50 minutes after 7:55? (a) 8:35 (b) 9:45 (c) 7:45 (d) 8:45
  12. 12.What time was it 45 minutes before 5:25? (a) 5:40 (b) 4:50 (c) 3:40 (d) 4:40
  13. 13.What time will it be 30 minutes after 8:25? (a) 9:55 (b) 8:55 (c) 7:55 (d) 8:45
  14. 14.What time was it 45 minutes before 5:05? (a) 3:20 (b) 5:20 (c) 4:20 (d) 4:30
  15. 15.What time will it be 15 minutes after 2:35? (a) 1:50 (b) 2:50 (c) 3:50 (d) 2:40
  16. 16.What time will it be 35 minutes after 9:15? (a) 9:40 (b) 8:50 (c) 10:50 (d) 9:50
  17. 17.What time was it 55 minutes before 7:10? (a) 6:15 (b) 7:15 (c) 5:15 (d) 6:25
  18. 18.What time will it be 50 minutes after 4:35? (a) 6:25 (b) 5:15 (c) 5:25 (d) 4:25
  19. 19.What time was it 50 minutes before 10:10? (a) 8:20 (b) 10:20 (c) 9:30 (d) 9:20
  20. 20.What time was it 20 minutes before 3:50? (a) 3:40 (b) 3:30 (c) 4:30 (d) 2:30
  21. 21.What time will it be 15 minutes after 8:25? (a) 9:40 (b) 7:40 (c) 8:30 (d) 8:40
  22. 22.What time was it 20 minutes before 3:40? (a) 2:20 (b) 3:20 (c) 4:20 (d) 3:30
  23. 23.What time was it 20 minutes before 11:30? (a) 11:10 (b) 10:10 (c) 12:10 (d) 11:20
  24. 24.What time was it 20 minutes before 6:30? (a) 6:10 (b) 5:10 (c) 7:10 (d) 6:20
  25. 25.What time was it 20 minutes before 6:35? (a) 7:15 (b) 5:15 (c) 6:25 (d) 6:15
  26. 26.What time will it be 40 minutes after 7:35? (a) 7:15 (b) 9:15 (c) 8:15 (d) 8:05
  27. 27.What time will it be 35 minutes after 1:00? (a) 2:35 (b) 1:35 (c) 1:25 (d) 1:45
  28. 28.What time will it be 25 minutes after 2:00? (a) 3:25 (b) 1:25 (c) 2:15 (d) 2:25
  29. 29.A film starts at 5:15 and ends at 7:35. How long is the film? (a) 1 h 20 min (b) 2 h 30 min (c) 2 h 20 min (d) 3 h 20 min
  30. 30.What time was it 25 minutes before 9:15? (a) 9:50 (b) 9:00 (c) 8:50 (d) 7:50
  31. 31.What time was it 40 minutes before 10:30? (a) 9:50 (b) 10:50 (c) 10:00 (d) 8:50
  32. 32.A film starts at 3:55 and ends at 4:50. How long is the film? (a) 55 min (b) 45 min (c) 1 h 55 min (d) 1 h 5 min
  33. 33.A film starts at 6:30 and ends at 8:25. How long is the film? (a) 2 h 55 min (b) 1 h 55 min (c) 55 min (d) 2 h 5 min
  34. 34.What time will it be 55 minutes after 4:45? (a) 4:40 (b) 6:40 (c) 5:30 (d) 5:40
  35. 35.What time will it be 50 minutes after 8:50? (a) 10:40 (b) 9:30 (c) 9:40 (d) 8:40
  36. 36.What time will it be 40 minutes after 9:10? (a) 9:50 (b) 10:50 (c) 9:40 (d) 8:50
  37. 37.What time will it be 40 minutes after 5:25? (a) 7:05 (b) 6:05 (c) 5:05 (d) 5:55
  38. 38.What time was it 35 minutes before 2:05? (a) 2:30 (b) 1:20 (c) 1:30 (d) 1:40
  39. 39.What time will it be 50 minutes after 1:00? (a) 1:50 (b) 2:50 (c) 1:40 (d) 2:00
  40. 40.A film starts at 4:25 and ends at 7:10. How long is the film? (a) 3 h 45 min (b) 2 h 55 min (c) 2 h 45 min (d) 1 h 45 min

Answer key

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

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