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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 201 · 40 questions
TalentJR

Creator's tip (Add the clips): Video length = the clips added up. Minutes → seconds: × 60, then add the extra seconds. Seconds → minutes: take away 60 as many times as it fits. Still needed = target − what you have; 2× speed halves the time, half speed doubles it.

NameDateTime takenScore ___ / 40
  1. 1.⏱️ A 10-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  2. 2.⏱️ Speeding a clip up to 2× makes it … (a) the same length (b) twice as long (c) half as long (d) silent
  3. 3.⏱️ How many seconds is 5 minutes 27 seconds?
  4. 4.⏱️ A video is 205 seconds long. How long is that in minutes and seconds? (a) 4 min 25 s (b) 3 min 25 s (c) 2 min 5 s (d) 3 min 55 s
  5. 5.⏱️ Your video must be 120 seconds long. Your clips add up to 75 seconds. How many more seconds of video do you need?
  6. 6.⏱️ Your video must be 90 seconds long. Your clips add up to 15 seconds. How many more seconds of video do you need?
  7. 7.⏱️ A video is 185 seconds long. How long is that in minutes and seconds? (a) 3 min 35 s (b) 4 min 5 s (c) 1 min 85 s (d) 3 min 5 s
  8. 8.⏱️ A 33-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  9. 9.⏱️ When you put clips one after another, the video length is … (a) the shortest clip (b) always 1 minute (c) the sum of the clips (d) the longest clip
  10. 10.⏱️ How many seconds is 1 minute 49 seconds?
  11. 11.⏱️ How many seconds are in 1 minute? (a) 30 (b) 10 (c) 100 (d) 60
  12. 12.⏱️ A video is 155 seconds long. How long is that in minutes and seconds? (a) 2 min 35 s (b) 1 min 55 s (c) 3 min 35 s (d) 2 min 5 s
  13. 13.⏱️ How many seconds is 6 minutes 7 seconds?
  14. 14.⏱️ How many seconds is 5 minutes 6 seconds?
  15. 15.⏱️ A video has three clips of 38, 46 and 56 seconds. How long is the video (in seconds)?
  16. 16.⏱️ How many seconds is 7 minutes 36 seconds?
  17. 17.⏱️ A 20-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  18. 18.⏱️ How many seconds is 1 minute 51 seconds?
  19. 19.⏱️ A 20-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  20. 20.⏱️ How many seconds is 1 minute 19 seconds?
  21. 21.⏱️ A video has three clips of 7, 49 and 49 seconds. How long is the video (in seconds)?
  22. 22.⏱️ A 76-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  23. 23.⏱️ How many seconds is 6 minutes 12 seconds?
  24. 24.⏱️ A video is 500 seconds long. How long is that in minutes and seconds? (a) 5 min 0 s (b) 8 min 50 s (c) 8 min 20 s (d) 9 min 20 s
  25. 25.⏱️ Your video must be 60 seconds long. Your clips add up to 20 seconds. How many more seconds of video do you need?
  26. 26.⏱️ A 120-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  27. 27.⏱️ Your video must be 180 seconds long. Your clips add up to 139 seconds. How many more seconds of video do you need?
  28. 28.⏱️ How many seconds is 2 minutes 3 seconds?
  29. 29.⏱️ Your video must be 60 seconds long. Your clips add up to 38 seconds. How many more seconds of video do you need?
  30. 30.⏱️ A video is 160 seconds long. How long is that in minutes and seconds? (a) 1 min 60 s (b) 3 min 40 s (c) 2 min 10 s (d) 2 min 40 s
  31. 31.⏱️ A video has three clips of 56, 19 and 55 seconds. How long is the video (in seconds)?
  32. 32.⏱️ A 28-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  33. 33.⏱️ A 30-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  34. 34.⏱️ How many seconds is 9 minutes 18 seconds?
  35. 35.⏱️ How many seconds is 2 minutes 32 seconds?
  36. 36.⏱️ A video has three clips of 16, 29 and 56 seconds. How long is the video (in seconds)?
  37. 37.⏱️ A video has three clips of 39, 27 and 55 seconds. How long is the video (in seconds)?
  38. 38.⏱️ A video is 180 seconds long. How long is that in minutes and seconds? (a) 4 min 0 s (b) 3 min 0 s (c) 1 min 80 s (d) 3 min 30 s
  39. 39.⏱️ A video has three clips of 12, 54 and 57 seconds. How long is the video (in seconds)?
  40. 40.⏱️ An 18-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?

Answer key

  1. 20
  2. half as long
  3. 327
  4. 3 min 25 s
  5. 45
  6. 75
  7. 3 min 5 s
  8. 11
  9. the sum of the clips
  10. 109
  11. 60
  12. 2 min 35 s
  13. 367
  14. 306
  15. 140
  16. 456
  17. 40
  18. 111
  19. 5
  20. 79
  21. 105
  22. 19
  23. 372
  24. 8 min 20 s
  25. 40
  26. 30
  27. 41
  28. 123
  29. 22
  30. 2 min 40 s
  31. 130
  32. 56
  33. 10
  34. 558
  35. 152
  36. 101
  37. 121
  38. 3 min 0 s
  39. 123
  40. 36

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