← Video length sums lesson New set →

Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 62 · 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 are in 1 minute? (a) 30 (b) 60 (c) 100 (d) 10
  2. 2.⏱️ An 84-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  3. 3.⏱️ Your video must be 120 seconds long. Your clips add up to 52 seconds. How many more seconds of video do you need?
  4. 4.⏱️ A 72-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  5. 5.⏱️ A 36-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  6. 6.⏱️ A video has three clips of 50, 18 and 7 seconds. How long is the video (in seconds)?
  7. 7.⏱️ Your video must be 120 seconds long. Your clips add up to 112 seconds. How many more seconds of video do you need?
  8. 8.⏱️ When you put clips one after another, the video length is … (a) the shortest clip (b) always 1 minute (c) the longest clip (d) the sum of the clips
  9. 9.⏱️ Speeding a clip up to 2× makes it … (a) the same length (b) twice as long (c) silent (d) half as long
  10. 10.⏱️ How many seconds is 6 minutes 26 seconds?
  11. 11.⏱️ A video has three clips of 59, 10 and 53 seconds. How long is the video (in seconds)?
  12. 12.⏱️ A video has three clips of 53, 47 and 47 seconds. How long is the video (in seconds)?
  13. 13.⏱️ A video is 70 seconds long. How long is that in minutes and seconds? (a) 1 min 10 s (b) 3 min 10 s (c) 1 min 40 s (d) 2 min 10 s
  14. 14.⏱️ A video is 425 seconds long. How long is that in minutes and seconds? (a) 7 min 35 s (b) 8 min 5 s (c) 7 min 5 s (d) 4 min 25 s
  15. 15.⏱️ Your video must be 90 seconds long. Your clips add up to 18 seconds. How many more seconds of video do you need?
  16. 16.⏱️ A video has three clips of 27, 57 and 42 seconds. How long is the video (in seconds)?
  17. 17.⏱️ How many seconds is 8 minutes 32 seconds?
  18. 18.⏱️ Your video must be 90 seconds long. Your clips add up to 63 seconds. How many more seconds of video do you need?
  19. 19.⏱️ How many seconds is 1 minute 13 seconds?
  20. 20.⏱️ Your video must be 60 seconds long. Your clips add up to 29 seconds. How many more seconds of video do you need?
  21. 21.⏱️ How many seconds is 7 minutes 18 seconds?
  22. 22.⏱️ How many seconds is 5 minutes 8 seconds?
  23. 23.⏱️ A 46-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  24. 24.⏱️ How many seconds is 7 minutes 9 seconds?
  25. 25.⏱️ A video is 60 seconds long. How long is that in minutes and seconds? (a) 3 min 0 s (b) 1 min 0 s (c) 1 min 30 s (d) 2 min 0 s
  26. 26.⏱️ A video is 295 seconds long. How long is that in minutes and seconds? (a) 4 min 55 s (b) 2 min 95 s (c) 4 min 25 s (d) 5 min 55 s
  27. 27.⏱️ A video is 230 seconds long. How long is that in minutes and seconds? (a) 3 min 20 s (b) 2 min 30 s (c) 4 min 50 s (d) 3 min 50 s
  28. 28.⏱️ A 25-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  29. 29.⏱️ A 108-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  30. 30.⏱️ A video is 185 seconds long. How long is that in minutes and seconds? (a) 3 min 35 s (b) 4 min 5 s (c) 3 min 5 s (d) 1 min 85 s
  31. 31.⏱️ A 104-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  32. 32.⏱️ A 38-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  33. 33.⏱️ Your video must be 120 seconds long. Your clips add up to 111 seconds. How many more seconds of video do you need?
  34. 34.⏱️ A video is 520 seconds long. How long is that in minutes and seconds? (a) 9 min 40 s (b) 8 min 40 s (c) 5 min 20 s (d) 8 min 10 s
  35. 35.⏱️ How many seconds is 6 minutes 41 seconds?
  36. 36.⏱️ A video is 100 seconds long. How long is that in minutes and seconds? (a) 1 min 40 s (b) 1 min 10 s (c) 2 min 40 s (d) 1 min 0 s
  37. 37.⏱️ A video is 510 seconds long. How long is that in minutes and seconds? (a) 5 min 10 s (b) 8 min 0 s (c) 8 min 30 s (d) 9 min 30 s
  38. 38.⏱️ A video is 220 seconds long. How long is that in minutes and seconds? (a) 2 min 20 s (b) 4 min 40 s (c) 3 min 10 s (d) 3 min 40 s
  39. 39.⏱️ Your video must be 60 seconds long. Your clips add up to 41 seconds. How many more seconds of video do you need?
  40. 40.⏱️ An 80-second clip is sped up to 2× speed. How long does it last now (in seconds)?

Answer key

  1. 60
  2. 21
  3. 68
  4. 36
  5. 12
  6. 75
  7. 8
  8. the sum of the clips
  9. half as long
  10. 386
  11. 122
  12. 147
  13. 1 min 10 s
  14. 7 min 5 s
  15. 72
  16. 126
  17. 512
  18. 27
  19. 73
  20. 31
  21. 438
  22. 308
  23. 23
  24. 429
  25. 1 min 0 s
  26. 4 min 55 s
  27. 3 min 50 s
  28. 50
  29. 36
  30. 3 min 5 s
  31. 26
  32. 19
  33. 9
  34. 8 min 40 s
  35. 401
  36. 1 min 40 s
  37. 8 min 30 s
  38. 3 min 40 s
  39. 19
  40. 40

Free animation and design lessons, practice and worksheets at talentjr.in/animation-for-kids