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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 99 · 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 45 minutes before 4:15? (a) 3:30 (b) 2:30 (c) 3:40 (d) 4:30
  2. 2.A film starts at 3:45 and ends at 6:25. How long is the film? (a) 2 h 50 min (b) 1 h 40 min (c) 3 h 40 min (d) 2 h 40 min
  3. 3.What time will it be 40 minutes after 3:05? (a) 3:45 (b) 3:35 (c) 2:45 (d) 4:45
  4. 4.What time will it be 35 minutes after 3:15? (a) 2:50 (b) 4:50 (c) 3:50 (d) 3:40
  5. 5.What time will it be 55 minutes after 6:40? (a) 8:35 (b) 6:35 (c) 7:35 (d) 7:25
  6. 6.What time will it be 55 minutes after 5:05? (a) 7:00 (b) 5:00 (c) 5:50 (d) 6:00
  7. 7.What time was it 50 minutes before 10:30? (a) 9:50 (b) 9:40 (c) 8:40 (d) 10:40
  8. 8.What time will it be 40 minutes after 9:00? (a) 9:40 (b) 9:30 (c) 10:40 (d) 8:40
  9. 9.What time was it 35 minutes before 2:10? (a) 1:25 (b) 1:35 (c) 2:35 (d) 1:45
  10. 10.What time will it be 35 minutes after 6:35? (a) 6:10 (b) 8:10 (c) 7:00 (d) 7:10
  11. 11.What time will it be 20 minutes after 7:40? (a) 7:50 (b) 9:00 (c) 8:00 (d) 7:00
  12. 12.What time will it be 15 minutes after 3:25? (a) 2:40 (b) 3:30 (c) 4:40 (d) 3:40
  13. 13.What time will it be 25 minutes after 8:05? (a) 8:20 (b) 9:30 (c) 8:30 (d) 7:30
  14. 14.What time will it be 45 minutes after 9:25? (a) 9:10 (b) 10:00 (c) 11:10 (d) 10:10
  15. 15.What time was it 20 minutes before 9:00? (a) 8:50 (b) 7:40 (c) 9:40 (d) 8:40
  16. 16.What time was it 40 minutes before 7:05? (a) 5:25 (b) 6:25 (c) 7:25 (d) 6:35
  17. 17.What time will it be 45 minutes after 6:20? (a) 7:05 (b) 8:05 (c) 6:55 (d) 6:05
  18. 18.A film starts at 3:10 and ends at 6:05. How long is the film? (a) 2 h 55 min (b) 3 h 5 min (c) 3 h 55 min (d) 1 h 55 min
  19. 19.What time was it 40 minutes before 6:45? (a) 7:05 (b) 5:05 (c) 6:15 (d) 6:05
  20. 20.What time was it 30 minutes before 11:50? (a) 11:30 (b) 12:20 (c) 11:20 (d) 10:20
  21. 21.What time will it be 30 minutes after 2:55? (a) 4:25 (b) 2:25 (c) 3:15 (d) 3:25
  22. 22.A film starts at 1:55 and ends at 2:50. How long is the film? (a) 1 h 5 min (b) 45 min (c) 55 min (d) 1 h 55 min
  23. 23.What time was it 25 minutes before 4:45? (a) 5:20 (b) 4:30 (c) 3:20 (d) 4:20
  24. 24.What time was it 50 minutes before 9:55? (a) 8:05 (b) 9:05 (c) 10:05 (d) 9:15
  25. 25.What time will it be 50 minutes after 1:05? (a) 1:45 (b) 2:55 (c) 1:55 (d) 2:05
  26. 26.A film starts at 3:30 and ends at 3:50. How long is the film? (a) 10 min (b) 30 min (c) 20 min (d) 1 h 20 min
  27. 27.A film starts at 4:05 and ends at 5:35. How long is the film? (a) 1 h 30 min (b) 2 h 30 min (c) 1 h 40 min (d) 30 min
  28. 28.What time was it 25 minutes before 10:15? (a) 10:00 (b) 9:50 (c) 8:50 (d) 10:50
  29. 29.A film starts at 8:45 and ends at 11:05. How long is the film? (a) 2 h 30 min (b) 1 h 20 min (c) 2 h 20 min (d) 3 h 20 min
  30. 30.What time was it 40 minutes before 5:05? (a) 4:25 (b) 5:25 (c) 3:25 (d) 4:35
  31. 31.What time was it 30 minutes before 5:45? (a) 5:25 (b) 4:15 (c) 5:15 (d) 6:15
  32. 32.A film starts at 2:50 and ends at 5:15. How long is the film? (a) 2 h 25 min (b) 2 h 35 min (c) 3 h 25 min (d) 1 h 25 min
  33. 33.What time will it be 20 minutes after 10:05? (a) 10:25 (b) 9:25 (c) 11:25 (d) 10:15
  34. 34.What time will it be 15 minutes after 1:30? (a) 2:45 (b) 1:35 (c) 1:55 (d) 1:45
  35. 35.What time was it 35 minutes before 7:10? (a) 5:35 (b) 6:45 (c) 7:35 (d) 6:35
  36. 36.A film starts at 5:25 and ends at 6:45. How long is the film? (a) 1 h 20 min (b) 20 min (c) 1 h 30 min (d) 2 h 20 min
  37. 37.A film starts at 2:15 and ends at 4:05. How long is the film? (a) 2 h 50 min (b) 50 min (c) 2 h (d) 1 h 50 min
  38. 38.What time was it 15 minutes before 10:25? (a) 10:10 (b) 11:10 (c) 10:20 (d) 9:10
  39. 39.What time will it be 55 minutes after 2:10? (a) 3:05 (b) 2:55 (c) 2:05 (d) 4:05
  40. 40.What time was it 55 minutes before 4:55? (a) 5:00 (b) 4:10 (c) 4:00 (d) 3:00

Answer key

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

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