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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 101 · 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 37, 29 and 16 seconds. How long is the video (in seconds)?
  2. 2.⏱️ A 23-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  3. 3.⏱️ How many seconds is 9 minutes 59 seconds?
  4. 4.⏱️ When you put clips one after another, the video length is … (a) the sum of the clips (b) always 1 minute (c) the longest clip (d) the shortest clip
  5. 5.⏱️ Speeding a clip up to 2× makes it … (a) half as long (b) silent (c) twice as long (d) the same length
  6. 6.⏱️ A video is 90 seconds long. How long is that in minutes and seconds? (a) 3 min 30 s (b) 1 min 0 s (c) 1 min 30 s (d) 2 min 30 s
  7. 7.⏱️ A video has three clips of 45, 10 and 39 seconds. How long is the video (in seconds)?
  8. 8.⏱️ A 34-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  9. 9.⏱️ A 27-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  10. 10.⏱️ How many seconds is 3 minutes 50 seconds?
  11. 11.⏱️ How many seconds are in 1 minute? (a) 100 (b) 30 (c) 60 (d) 10
  12. 12.⏱️ How many seconds is 5 minutes 19 seconds?
  13. 13.⏱️ How many seconds is 8 minutes 41 seconds?
  14. 14.⏱️ A 16-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  15. 15.⏱️ A 33-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  16. 16.⏱️ A video has three clips of 31, 10 and 34 seconds. How long is the video (in seconds)?
  17. 17.⏱️ How many seconds is 4 minutes 14 seconds?
  18. 18.⏱️ A 52-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  19. 19.⏱️ A 14-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  20. 20.⏱️ A video is 115 seconds long. How long is that in minutes and seconds? (a) 1 min 15 s (b) 1 min 55 s (c) 1 min 25 s (d) 2 min 55 s
  21. 21.⏱️ A 4-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  22. 22.⏱️ A 7-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  23. 23.⏱️ A 29-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  24. 24.⏱️ A 13-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  25. 25.⏱️ A video has three clips of 29, 11 and 7 seconds. How long is the video (in seconds)?
  26. 26.⏱️ How many seconds is 6 minutes 1 second?
  27. 27.⏱️ Your video must be 180 seconds long. Your clips add up to 114 seconds. How many more seconds of video do you need?
  28. 28.⏱️ A video has three clips of 38, 32 and 19 seconds. How long is the video (in seconds)?
  29. 29.⏱️ A video is 130 seconds long. How long is that in minutes and seconds? (a) 1 min 30 s (b) 2 min 40 s (c) 3 min 10 s (d) 2 min 10 s
  30. 30.⏱️ An 8-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  31. 31.⏱️ A video has three clips of 49, 37 and 47 seconds. How long is the video (in seconds)?
  32. 32.⏱️ A video has three clips of 51, 57 and 45 seconds. How long is the video (in seconds)?
  33. 33.⏱️ A video is 135 seconds long. How long is that in minutes and seconds? (a) 3 min 15 s (b) 2 min 15 s (c) 2 min 45 s (d) 1 min 35 s
  34. 34.⏱️ How many seconds is 9 minutes 42 seconds?
  35. 35.⏱️ How many seconds is 1 minute 44 seconds?
  36. 36.⏱️ A video is 70 seconds long. How long is that in minutes and seconds? (a) 2 min 10 s (b) 3 min 10 s (c) 1 min 40 s (d) 1 min 10 s
  37. 37.⏱️ How many seconds is 5 minutes 35 seconds?
  38. 38.⏱️ A 10-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  39. 39.⏱️ A 105-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  40. 40.⏱️ How many seconds is 7 minutes 4 seconds?

Answer key

  1. 82
  2. 46
  3. 599
  4. the sum of the clips
  5. half as long
  6. 1 min 30 s
  7. 94
  8. 17
  9. 54
  10. 230
  11. 60
  12. 319
  13. 521
  14. 32
  15. 11
  16. 75
  17. 254
  18. 26
  19. 28
  20. 1 min 55 s
  21. 8
  22. 14
  23. 58
  24. 26
  25. 47
  26. 361
  27. 66
  28. 89
  29. 2 min 10 s
  30. 16
  31. 133
  32. 153
  33. 2 min 15 s
  34. 582
  35. 104
  36. 1 min 10 s
  37. 335
  38. 20
  39. 35
  40. 424

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