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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 37 · 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 video has three clips of 5, 8 and 48 seconds. How long is the video (in seconds)?
  2. 2.⏱️ How many seconds are in 1 minute? (a) 10 (b) 100 (c) 30 (d) 60
  3. 3.⏱️ Your video must be 60 seconds long. Your clips add up to 8 seconds. How many more seconds of video do you need?
  4. 4.⏱️ Your video must be 60 seconds long. Your clips add up to 25 seconds. How many more seconds of video do you need?
  5. 5.⏱️ How many seconds is 1 minute 52 seconds?
  6. 6.⏱️ Your video must be 90 seconds long. Your clips add up to 64 seconds. How many more seconds of video do you need?
  7. 7.⏱️ Your video must be 120 seconds long. Your clips add up to 91 seconds. How many more seconds of video do you need?
  8. 8.⏱️ A video has three clips of 13, 40 and 17 seconds. How long is the video (in seconds)?
  9. 9.⏱️ A video has three clips of 25, 11 and 19 seconds. How long is the video (in seconds)?
  10. 10.⏱️ A 3-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  11. 11.⏱️ Your video must be 60 seconds long. Your clips add up to 14 seconds. How many more seconds of video do you need?
  12. 12.⏱️ Your video must be 60 seconds long. Your clips add up to 27 seconds. How many more seconds of video do you need?
  13. 13.⏱️ A video has three clips of 18, 32 and 5 seconds. How long is the video (in seconds)?
  14. 14.⏱️ How many seconds is 1 minute 27 seconds?
  15. 15.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) half as long (c) silent (d) the same length
  16. 16.⏱️ An 18-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  17. 17.⏱️ How many seconds is 3 minutes 24 seconds?
  18. 18.⏱️ How many seconds is 2 minutes 8 seconds?
  19. 19.⏱️ A 96-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  20. 20.⏱️ A video is 250 seconds long. How long is that in minutes and seconds? (a) 4 min 10 s (b) 5 min 10 s (c) 4 min 40 s (d) 2 min 50 s
  21. 21.⏱️ A video is 355 seconds long. How long is that in minutes and seconds? (a) 5 min 25 s (b) 3 min 55 s (c) 6 min 55 s (d) 5 min 55 s
  22. 22.⏱️ A video has three clips of 21, 25 and 18 seconds. How long is the video (in seconds)?
  23. 23.⏱️ A video is 520 seconds long. How long is that in minutes and seconds? (a) 5 min 20 s (b) 8 min 40 s (c) 9 min 40 s (d) 8 min 10 s
  24. 24.⏱️ A video is 270 seconds long. How long is that in minutes and seconds? (a) 5 min 30 s (b) 4 min 0 s (c) 4 min 30 s (d) 2 min 70 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 12-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  27. 27.⏱️ A video has three clips of 22, 12 and 5 seconds. How long is the video (in seconds)?
  28. 28.⏱️ A video has three clips of 50, 45 and 59 seconds. How long is the video (in seconds)?
  29. 29.⏱️ A video has three clips of 40, 53 and 24 seconds. How long is the video (in seconds)?
  30. 30.⏱️ A video is 60 seconds long. How long is that in minutes and seconds? (a) 3 min 0 s (b) 1 min 30 s (c) 1 min 0 s (d) 2 min 0 s
  31. 31.⏱️ A video has three clips of 5, 44 and 20 seconds. How long is the video (in seconds)?
  32. 32.⏱️ How many seconds is 5 minutes 8 seconds?
  33. 33.⏱️ A 64-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  34. 34.⏱️ A video is 590 seconds long. How long is that in minutes and seconds? (a) 10 min 50 s (b) 9 min 50 s (c) 9 min 20 s (d) 5 min 90 s
  35. 35.⏱️ A video has three clips of 56, 57 and 37 seconds. How long is the video (in seconds)?
  36. 36.⏱️ A video is 215 seconds long. How long is that in minutes and seconds? (a) 3 min 35 s (b) 4 min 35 s (c) 2 min 15 s (d) 3 min 5 s
  37. 37.⏱️ A 28-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  38. 38.⏱️ A video has three clips of 33, 54 and 49 seconds. How long is the video (in seconds)?
  39. 39.⏱️ A 29-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  40. 40.⏱️ How many seconds is 2 minutes 56 seconds?

Answer key

  1. 61
  2. 60
  3. 52
  4. 35
  5. 112
  6. 26
  7. 29
  8. 70
  9. 55
  10. 6
  11. 46
  12. 33
  13. 55
  14. 87
  15. half as long
  16. 6
  17. 204
  18. 128
  19. 32
  20. 4 min 10 s
  21. 5 min 55 s
  22. 64
  23. 8 min 40 s
  24. 4 min 30 s
  25. 40
  26. 24
  27. 39
  28. 154
  29. 117
  30. 1 min 0 s
  31. 69
  32. 308
  33. 16
  34. 9 min 50 s
  35. 150
  36. 3 min 35 s
  37. 56
  38. 136
  39. 58
  40. 176

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