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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 61 · 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 27-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  2. 2.⏱️ How many seconds is 1 minute 6 seconds?
  3. 3.⏱️ A video has three clips of 24, 58 and 51 seconds. How long is the video (in seconds)?
  4. 4.⏱️ A 15-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  5. 5.⏱️ A video has three clips of 25, 53 and 45 seconds. How long is the video (in seconds)?
  6. 6.⏱️ A 22-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  7. 7.⏱️ A video has three clips of 5, 29 and 22 seconds. How long is the video (in seconds)?
  8. 8.⏱️ A video has three clips of 28, 28 and 54 seconds. How long is the video (in seconds)?
  9. 9.⏱️ Your video must be 180 seconds long. Your clips add up to 83 seconds. How many more seconds of video do you need?
  10. 10.⏱️ Your video must be 120 seconds long. Your clips add up to 40 seconds. How many more seconds of video do you need?
  11. 11.⏱️ A 112-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  12. 12.⏱️ A 20-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  13. 13.⏱️ A video is 180 seconds long. How long is that in minutes and seconds? (a) 3 min 30 s (b) 3 min 0 s (c) 4 min 0 s (d) 1 min 80 s
  14. 14.⏱️ A 23-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  15. 15.⏱️ Your video must be 60 seconds long. Your clips add up to 32 seconds. How many more seconds of video do you need?
  16. 16.⏱️ Your video must be 60 seconds long. Your clips add up to 23 seconds. How many more seconds of video do you need?
  17. 17.⏱️ Speeding a clip up to 2× makes it … (a) silent (b) twice as long (c) half as long (d) the same length
  18. 18.⏱️ Your video must be 180 seconds long. Your clips add up to 6 seconds. How many more seconds of video do you need?
  19. 19.⏱️ How many seconds are in 1 minute? (a) 60 (b) 30 (c) 100 (d) 10
  20. 20.⏱️ A 4-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  21. 21.⏱️ A 17-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  22. 22.⏱️ A 12-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  23. 23.⏱️ How many seconds is 3 minutes 11 seconds?
  24. 24.⏱️ How many seconds is 1 minute 4 seconds?
  25. 25.⏱️ A video is 405 seconds long. How long is that in minutes and seconds? (a) 4 min 5 s (b) 7 min 45 s (c) 6 min 15 s (d) 6 min 45 s
  26. 26.⏱️ A video has three clips of 33, 50 and 39 seconds. How long is the video (in seconds)?
  27. 27.⏱️ A video has three clips of 6, 51 and 22 seconds. How long is the video (in seconds)?
  28. 28.⏱️ Your video must be 60 seconds long. Your clips add up to 48 seconds. How many more seconds of video do you need?
  29. 29.⏱️ A 64-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  30. 30.⏱️ A video has three clips of 56, 15 and 41 seconds. How long is the video (in seconds)?
  31. 31.⏱️ How many seconds is 2 minutes 34 seconds?
  32. 32.⏱️ How many seconds is 7 minutes 4 seconds?
  33. 33.⏱️ A video has three clips of 28, 12 and 26 seconds. How long is the video (in seconds)?
  34. 34.⏱️ A video has three clips of 44, 9 and 26 seconds. How long is the video (in seconds)?
  35. 35.⏱️ A video has three clips of 5, 19 and 28 seconds. How long is the video (in seconds)?
  36. 36.⏱️ An 8-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  37. 37.⏱️ When you put clips one after another, the video length is … (a) the sum of the clips (b) the shortest clip (c) the longest clip (d) always 1 minute
  38. 38.⏱️ A video is 300 seconds long. How long is that in minutes and seconds? (a) 3 min 0 s (b) 6 min 0 s (c) 5 min 30 s (d) 5 min 0 s
  39. 39.⏱️ A 13-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  40. 40.⏱️ How many seconds is 3 minutes 59 seconds?

Answer key

  1. 54
  2. 66
  3. 133
  4. 30
  5. 123
  6. 44
  7. 56
  8. 110
  9. 97
  10. 80
  11. 28
  12. 40
  13. 3 min 0 s
  14. 46
  15. 28
  16. 37
  17. half as long
  18. 174
  19. 60
  20. 8
  21. 34
  22. 24
  23. 191
  24. 64
  25. 6 min 45 s
  26. 122
  27. 79
  28. 12
  29. 16
  30. 112
  31. 154
  32. 424
  33. 66
  34. 79
  35. 52
  36. 16
  37. the sum of the clips
  38. 5 min 0 s
  39. 26
  40. 239

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