Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 221 · 40 questions

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.

1. 1.⏱️ How many seconds is 5 minutes 59 seconds?
2. 2.⏱️ How many seconds is 5 minutes 8 seconds?
3. 3.⏱️ A video is 465 seconds long. How long is that in minutes and seconds? (a) 7 min 45 s (b) 7 min 15 s (c) 4 min 65 s (d) 8 min 45 s
4. 4.⏱️ A video has three clips of 54, 21 and 7 seconds. How long is the video (in seconds)?
5. 5.⏱️ When you put clips one after another, the video length is … (a) the sum of the clips (b) the shortest clip (c) the longest clip (d) always 1 minute
6. 6.⏱️ Your video must be 60 seconds long. Your clips add up to 18 seconds. How many more seconds of video do you need?
7. 7.⏱️ How many seconds is 8 minutes 19 seconds?
8. 8.⏱️ A video has three clips of 48, 44 and 13 seconds. How long is the video (in seconds)?
9. 9.⏱️ How many seconds is 1 minute 50 seconds?
10. 10.⏱️ A video is 590 seconds long. How long is that in minutes and seconds? (a) 9 min 50 s (b) 5 min 90 s (c) 10 min 50 s (d) 9 min 20 s
11. 11.⏱️ A 12-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
12. 12.⏱️ How many seconds is 6 minutes 25 seconds?
13. 13.⏱️ A video has three clips of 14, 52 and 13 seconds. How long is the video (in seconds)?
14. 14.⏱️ An 18-second clip is sped up to 3× speed. How long does it last now (in seconds)?
15. 15.⏱️ A 72-second clip is sped up to 2× speed. How long does it last now (in seconds)?
16. 16.⏱️ A 16-second clip is sped up to 2× speed. How long does it last now (in seconds)?
17. 17.⏱️ A 20-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
18. 18.⏱️ How many seconds are in 1 minute? (a) 10 (b) 30 (c) 100 (d) 60
19. 19.⏱️ A video has three clips of 8, 43 and 13 seconds. How long is the video (in seconds)?
20. 20.⏱️ A video has three clips of 37, 27 and 34 seconds. How long is the video (in seconds)?
21. 21.⏱️ A video is 85 seconds long. How long is that in minutes and seconds? (a) 3 min 25 s (b) 2 min 25 s (c) 1 min 55 s (d) 1 min 25 s
22. 22.⏱️ A 29-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
23. 23.⏱️ A video has three clips of 23, 36 and 26 seconds. How long is the video (in seconds)?
24. 24.⏱️ A 4-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
25. 25.⏱️ Your video must be 60 seconds long. Your clips add up to 8 seconds. How many more seconds of video do you need?
26. 26.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) silent (c) half as long (d) the same length
27. 27.⏱️ A video has three clips of 14, 54 and 14 seconds. How long is the video (in seconds)?
28. 28.⏱️ A video is 420 seconds long. How long is that in minutes and seconds? (a) 4 min 20 s (b) 7 min 0 s (c) 7 min 30 s (d) 8 min 0 s
29. 29.⏱️ How many seconds is 8 minutes 44 seconds?
30. 30.⏱️ A 152-second clip is sped up to 4× speed. How long does it last now (in seconds)?
31. 31.⏱️ How many seconds is 4 minutes 42 seconds?
32. 32.⏱️ Your video must be 90 seconds long. Your clips add up to 68 seconds. How many more seconds of video do you need?
33. 33.⏱️ Your video must be 90 seconds long. Your clips add up to 66 seconds. How many more seconds of video do you need?
34. 34.⏱️ A video has three clips of 52, 40 and 34 seconds. How long is the video (in seconds)?
35. 35.⏱️ A 42-second clip is sped up to 3× speed. How long does it last now (in seconds)?
36. 36.⏱️ A 22-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
37. 37.⏱️ A 66-second clip is sped up to 3× speed. How long does it last now (in seconds)?
38. 38.⏱️ A 52-second clip is sped up to 4× speed. How long does it last now (in seconds)?
39. 39.⏱️ How many seconds is 8 minutes 22 seconds?
40. 40.⏱️ A video has three clips of 5, 53 and 55 seconds. How long is the video (in seconds)?

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