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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 170 · 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 35 minutes after 1:50? (a) 1:25 (b) 3:25 (c) 2:25 (d) 2:15
  2. 2.What time will it be 40 minutes after 7:20? (a) 7:50 (b) 9:00 (c) 8:00 (d) 7:00
  3. 3.What time will it be 15 minutes after 2:15? (a) 3:30 (b) 1:30 (c) 2:30 (d) 2:20
  4. 4.What time was it 40 minutes before 2:10? (a) 1:20 (b) 2:30 (c) 1:40 (d) 1:30
  5. 5.What time was it 25 minutes before 7:40? (a) 7:15 (b) 7:25 (c) 8:15 (d) 6:15
  6. 6.What time will it be 35 minutes after 5:05? (a) 6:40 (b) 5:40 (c) 5:30 (d) 4:40
  7. 7.What time was it 45 minutes before 2:50? (a) 3:05 (b) 1:05 (c) 2:05 (d) 2:15
  8. 8.What time was it 50 minutes before 5:05? (a) 3:15 (b) 4:25 (c) 5:15 (d) 4:15
  9. 9.What time was it 35 minutes before 8:20? (a) 6:45 (b) 7:45 (c) 7:55 (d) 8:45
  10. 10.What time will it be 25 minutes after 1:30? (a) 1:55 (b) 2:05 (c) 2:55 (d) 1:45
  11. 11.What time will it be 20 minutes after 9:20? (a) 9:30 (b) 10:40 (c) 9:40 (d) 8:40
  12. 12.What time will it be 40 minutes after 1:10? (a) 1:40 (b) 1:50 (c) 2:50 (d) 2:00
  13. 13.What time was it 15 minutes before 4:10? (a) 3:55 (b) 4:55 (c) 4:05 (d) 2:55
  14. 14.What time will it be 55 minutes after 9:35? (a) 9:30 (b) 10:30 (c) 10:20 (d) 11:30
  15. 15.What time was it 50 minutes before 7:55? (a) 7:15 (b) 7:05 (c) 6:05 (d) 8:05
  16. 16.What time will it be 20 minutes after 2:05? (a) 1:25 (b) 2:25 (c) 2:15 (d) 3:25
  17. 17.What time was it 50 minutes before 10:25? (a) 9:35 (b) 8:35 (c) 9:45 (d) 10:35
  18. 18.What time will it be 50 minutes after 3:50? (a) 4:40 (b) 4:30 (c) 3:40 (d) 5:40
  19. 19.What time was it 15 minutes before 2:45? (a) 1:30 (b) 2:40 (c) 3:30 (d) 2:30
  20. 20.A film starts at 3:15 and ends at 4:50. How long is the film? (a) 1 h 45 min (b) 35 min (c) 2 h 35 min (d) 1 h 35 min
  21. 21.What time was it 55 minutes before 9:40? (a) 8:45 (b) 8:55 (c) 9:45 (d) 7:45
  22. 22.What time will it be 15 minutes after 8:55? (a) 10:10 (b) 9:10 (c) 8:10 (d) 9:00
  23. 23.A film starts at 2:50 and ends at 5:50. How long is the film? (a) 2 h (b) 4 h (c) 3 h (d) 3 h 10 min
  24. 24.A film starts at 2:10 and ends at 3:50. How long is the film? (a) 40 min (b) 1 h 50 min (c) 1 h 40 min (d) 2 h 40 min
  25. 25.A film starts at 2:20 and ends at 4:00. How long is the film? (a) 40 min (b) 1 h 50 min (c) 2 h 40 min (d) 1 h 40 min
  26. 26.What time was it 15 minutes before 5:40? (a) 4:25 (b) 6:25 (c) 5:35 (d) 5:25
  27. 27.What time will it be 20 minutes after 4:00? (a) 4:10 (b) 3:20 (c) 4:20 (d) 5:20
  28. 28.What time was it 50 minutes before 2:10? (a) 2:20 (b) 1:30 (c) 1:20 (d) 1:10
  29. 29.What time was it 55 minutes before 4:50? (a) 4:05 (b) 3:55 (c) 4:55 (d) 2:55
  30. 30.A film starts at 2:00 and ends at 2:50. How long is the film? (a) 40 min (b) 1 h (c) 50 min (d) 1 h 50 min
  31. 31.What time will it be 55 minutes after 9:10? (a) 9:05 (b) 9:55 (c) 10:05 (d) 11:05
  32. 32.A film starts at 3:05 and ends at 3:30. How long is the film? (a) 15 min (b) 25 min (c) 35 min (d) 1 h 25 min
  33. 33.What time will it be 15 minutes after 5:55? (a) 6:00 (b) 5:10 (c) 6:10 (d) 7:10
  34. 34.A film starts at 1:35 and ends at 3:45. How long is the film? (a) 2 h 20 min (b) 1 h 10 min (c) 2 h 10 min (d) 3 h 10 min
  35. 35.What time will it be 40 minutes after 3:40? (a) 4:10 (b) 3:20 (c) 4:20 (d) 5:20
  36. 36.What time was it 25 minutes before 7:05? (a) 7:40 (b) 6:40 (c) 6:50 (d) 5:40
  37. 37.What time will it be 15 minutes after 8:45? (a) 8:00 (b) 10:00 (c) 8:50 (d) 9:00
  38. 38.What time will it be 35 minutes after 2:25? (a) 2:00 (b) 3:00 (c) 2:50 (d) 4:00
  39. 39.A film starts at 2:00 and ends at 4:30. How long is the film? (a) 2 h 40 min (b) 3 h 30 min (c) 2 h 30 min (d) 1 h 30 min
  40. 40.What time will it be 45 minutes after 2:15? (a) 2:00 (b) 2:50 (c) 3:00 (d) 4:00

Answer key

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

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