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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 261 · 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.⏱️ How many seconds is 3 minutes 56 seconds?
  2. 2.⏱️ A video is 130 seconds long. How long is that in minutes and seconds? (a) 3 min 10 s (b) 2 min 40 s (c) 1 min 30 s (d) 2 min 10 s
  3. 3.⏱️ A 17-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  4. 4.⏱️ A video is 575 seconds long. How long is that in minutes and seconds? (a) 9 min 35 s (b) 10 min 35 s (c) 9 min 5 s (d) 5 min 75 s
  5. 5.⏱️ How many seconds is 2 minutes 46 seconds?
  6. 6.⏱️ Your video must be 60 seconds long. Your clips add up to 16 seconds. How many more seconds of video do you need?
  7. 7.⏱️ A video has three clips of 32, 39 and 56 seconds. How long is the video (in seconds)?
  8. 8.⏱️ A video is 270 seconds long. How long is that in minutes and seconds? (a) 4 min 30 s (b) 4 min 0 s (c) 2 min 70 s (d) 5 min 30 s
  9. 9.⏱️ A video has three clips of 46, 29 and 46 seconds. How long is the video (in seconds)?
  10. 10.⏱️ How many seconds is 2 minutes 27 seconds?
  11. 11.⏱️ How many seconds is 7 minutes 57 seconds?
  12. 12.⏱️ Your video must be 180 seconds long. Your clips add up to 47 seconds. How many more seconds of video do you need?
  13. 13.⏱️ A video has three clips of 14, 5 and 32 seconds. How long is the video (in seconds)?
  14. 14.⏱️ How many seconds are in 1 minute? (a) 30 (b) 60 (c) 10 (d) 100
  15. 15.⏱️ A video is 390 seconds long. How long is that in minutes and seconds? (a) 6 min 30 s (b) 3 min 90 s (c) 6 min 0 s (d) 7 min 30 s
  16. 16.⏱️ A video has three clips of 40, 28 and 10 seconds. How long is the video (in seconds)?
  17. 17.⏱️ How many seconds is 8 minutes 14 seconds?
  18. 18.⏱️ A video has three clips of 31, 13 and 45 seconds. How long is the video (in seconds)?
  19. 19.⏱️ An 80-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  20. 20.⏱️ A video has three clips of 23, 57 and 16 seconds. How long is the video (in seconds)?
  21. 21.⏱️ How many seconds is 3 minutes 30 seconds?
  22. 22.⏱️ How many seconds is 3 minutes 35 seconds?
  23. 23.⏱️ Speeding a clip up to 2× makes it … (a) silent (b) half as long (c) twice as long (d) the same length
  24. 24.⏱️ How many seconds is 4 minutes 57 seconds?
  25. 25.⏱️ A 6-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  26. 26.⏱️ How many seconds is 4 minutes 10 seconds?
  27. 27.⏱️ A 12-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  28. 28.⏱️ A 60-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  29. 29.⏱️ A video is 310 seconds long. How long is that in minutes and seconds? (a) 5 min 40 s (b) 3 min 10 s (c) 6 min 10 s (d) 5 min 10 s
  30. 30.⏱️ A video has three clips of 49, 45 and 34 seconds. How long is the video (in seconds)?
  31. 31.⏱️ How many seconds is 5 minutes 42 seconds?
  32. 32.⏱️ A 21-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  33. 33.⏱️ A video is 515 seconds long. How long is that in minutes and seconds? (a) 8 min 5 s (b) 8 min 35 s (c) 5 min 15 s (d) 9 min 35 s
  34. 34.⏱️ A video has three clips of 27, 24 and 45 seconds. How long is the video (in seconds)?
  35. 35.⏱️ A 29-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  36. 36.⏱️ A video is 365 seconds long. How long is that in minutes and seconds? (a) 6 min 35 s (b) 6 min 5 s (c) 3 min 65 s (d) 7 min 5 s
  37. 37.⏱️ A 96-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  38. 38.⏱️ A 28-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  39. 39.⏱️ How many seconds is 3 minutes 9 seconds?
  40. 40.⏱️ A video has three clips of 7, 6 and 59 seconds. How long is the video (in seconds)?

Answer key

  1. 236
  2. 2 min 10 s
  3. 34
  4. 9 min 35 s
  5. 166
  6. 44
  7. 127
  8. 4 min 30 s
  9. 121
  10. 147
  11. 477
  12. 133
  13. 51
  14. 60
  15. 6 min 30 s
  16. 78
  17. 494
  18. 89
  19. 40
  20. 96
  21. 210
  22. 215
  23. half as long
  24. 297
  25. 12
  26. 250
  27. 6
  28. 20
  29. 5 min 10 s
  30. 128
  31. 342
  32. 7
  33. 8 min 35 s
  34. 96
  35. 58
  36. 6 min 5 s
  37. 24
  38. 56
  39. 189
  40. 72

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