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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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