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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 311 · 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 is 465 seconds long. How long is that in minutes and seconds? (a) 8 min 45 s (b) 4 min 65 s (c) 7 min 15 s (d) 7 min 45 s
  2. 2.⏱️ How many seconds is 7 minutes 6 seconds?
  3. 3.⏱️ How many seconds is 3 minutes 30 seconds?
  4. 4.⏱️ How many seconds are in 1 minute? (a) 30 (b) 10 (c) 60 (d) 100
  5. 5.⏱️ Your video must be 180 seconds long. Your clips add up to 169 seconds. How many more seconds of video do you need?
  6. 6.⏱️ Your video must be 180 seconds long. Your clips add up to 121 seconds. How many more seconds of video do you need?
  7. 7.⏱️ Speeding a clip up to 2× makes it … (a) silent (b) half as long (c) the same length (d) twice as long
  8. 8.⏱️ A video is 240 seconds long. How long is that in minutes and seconds? (a) 2 min 40 s (b) 4 min 30 s (c) 4 min 0 s (d) 5 min 0 s
  9. 9.⏱️ An 11-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  10. 10.⏱️ How many seconds is 8 minutes 31 seconds?
  11. 11.⏱️ A 132-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  12. 12.⏱️ A video has three clips of 57, 50 and 19 seconds. How long is the video (in seconds)?
  13. 13.⏱️ A video is 395 seconds long. How long is that in minutes and seconds? (a) 3 min 95 s (b) 7 min 35 s (c) 6 min 5 s (d) 6 min 35 s
  14. 14.⏱️ How many seconds is 3 minutes 49 seconds?
  15. 15.⏱️ Your video must be 120 seconds long. Your clips add up to 5 seconds. How many more seconds of video do you need?
  16. 16.⏱️ A 76-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  17. 17.⏱️ Your video must be 60 seconds long. Your clips add up to 5 seconds. How many more seconds of video do you need?
  18. 18.⏱️ A video has three clips of 23, 37 and 32 seconds. How long is the video (in seconds)?
  19. 19.⏱️ A video has three clips of 45, 17 and 42 seconds. How long is the video (in seconds)?
  20. 20.⏱️ Your video must be 60 seconds long. Your clips add up to 8 seconds. How many more seconds of video do you need?
  21. 21.⏱️ How many seconds is 1 minute 22 seconds?
  22. 22.⏱️ A 54-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  23. 23.⏱️ How many seconds is 1 minute 49 seconds?
  24. 24.⏱️ A video is 415 seconds long. How long is that in minutes and seconds? (a) 6 min 25 s (b) 4 min 15 s (c) 6 min 55 s (d) 7 min 55 s
  25. 25.⏱️ A 13-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  26. 26.⏱️ How many seconds is 8 minutes 38 seconds?
  27. 27.⏱️ A video has three clips of 33, 16 and 16 seconds. How long is the video (in seconds)?
  28. 28.⏱️ A 12-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  29. 29.⏱️ A video has three clips of 55, 47 and 7 seconds. How long is the video (in seconds)?
  30. 30.⏱️ A 124-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  31. 31.⏱️ Your video must be 180 seconds long. Your clips add up to 166 seconds. How many more seconds of video do you need?
  32. 32.⏱️ A 69-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  33. 33.⏱️ How many seconds is 1 minute 44 seconds?
  34. 34.⏱️ How many seconds is 1 minute 57 seconds?
  35. 35.⏱️ A video has three clips of 10, 20 and 38 seconds. How long is the video (in seconds)?
  36. 36.⏱️ When you put clips one after another, the video length is … (a) always 1 minute (b) the sum of the clips (c) the longest clip (d) the shortest clip
  37. 37.⏱️ A 22-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  38. 38.⏱️ A video is 75 seconds long. How long is that in minutes and seconds? (a) 2 min 15 s (b) 3 min 15 s (c) 1 min 45 s (d) 1 min 15 s
  39. 39.⏱️ A video has three clips of 42, 51 and 29 seconds. How long is the video (in seconds)?
  40. 40.⏱️ Your video must be 120 seconds long. Your clips add up to 73 seconds. How many more seconds of video do you need?

Answer key

  1. 7 min 45 s
  2. 426
  3. 210
  4. 60
  5. 11
  6. 59
  7. half as long
  8. 4 min 0 s
  9. 22
  10. 511
  11. 33
  12. 126
  13. 6 min 35 s
  14. 229
  15. 115
  16. 19
  17. 55
  18. 92
  19. 104
  20. 52
  21. 82
  22. 27
  23. 109
  24. 6 min 55 s
  25. 26
  26. 518
  27. 65
  28. 6
  29. 109
  30. 31
  31. 14
  32. 23
  33. 104
  34. 117
  35. 68
  36. the sum of the clips
  37. 44
  38. 1 min 15 s
  39. 122
  40. 47

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