Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 24 · 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.⏱️ A 74-second clip is sped up to 2× speed. How long does it last now (in seconds)?
2. 2.⏱️ How many seconds are in 1 minute? (a) 100 (b) 30 (c) 10 (d) 60
3. 3.⏱️ How many seconds is 9 minutes 30 seconds?
4. 4.⏱️ Your video must be 60 seconds long. Your clips add up to 5 seconds. How many more seconds of video do you need?
5. 5.⏱️ A 21-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
6. 6.⏱️ An 88-second clip is sped up to 4× speed. How long does it last now (in seconds)?
7. 7.⏱️ How many seconds is 9 minutes 23 seconds?
8. 8.⏱️ A 28-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
9. 9.⏱️ A 36-second clip is sped up to 2× speed. How long does it last now (in seconds)?
10. 10.⏱️ A video is 285 seconds long. How long is that in minutes and seconds? (a) 2 min 85 s (b) 5 min 45 s (c) 4 min 15 s (d) 4 min 45 s
11. 11.⏱️ How many seconds is 6 minutes 42 seconds?
12. 12.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) silent (c) the same length (d) half as long
13. 13.⏱️ How many seconds is 4 minutes 22 seconds?
14. 14.⏱️ A video has three clips of 59, 20 and 50 seconds. How long is the video (in seconds)?
15. 15.⏱️ A 152-second clip is sped up to 4× speed. How long does it last now (in seconds)?
16. 16.⏱️ A video is 160 seconds long. How long is that in minutes and seconds? (a) 1 min 60 s (b) 3 min 40 s (c) 2 min 10 s (d) 2 min 40 s
17. 17.⏱️ How many seconds is 7 minutes 45 seconds?
18. 18.⏱️ A video has three clips of 5, 60 and 57 seconds. How long is the video (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.⏱️ Your video must be 90 seconds long. Your clips add up to 5 seconds. How many more seconds of video do you need?
21. 21.⏱️ A video has three clips of 51, 54 and 23 seconds. How long is the video (in seconds)?
22. 22.⏱️ How many seconds is 2 minutes 17 seconds?
23. 23.⏱️ A video has three clips of 8, 6 and 36 seconds. How long is the video (in seconds)?
24. 24.⏱️ A video has three clips of 43, 19 and 12 seconds. How long is the video (in seconds)?
25. 25.⏱️ How many seconds is 2 minutes 1 second?
26. 26.⏱️ A video is 110 seconds long. How long is that in minutes and seconds? (a) 1 min 50 s (b) 1 min 20 s (c) 1 min 10 s (d) 2 min 50 s
27. 27.⏱️ How many seconds is 4 minutes 36 seconds?
28. 28.⏱️ Your video must be 60 seconds long. Your clips add up to 19 seconds. How many more seconds of video do you need?
29. 29.⏱️ How many seconds is 1 minute 27 seconds?
30. 30.⏱️ How many seconds is 8 minutes 26 seconds?
31. 31.⏱️ When you put clips one after another, the video length is … (a) the longest clip (b) the sum of the clips (c) the shortest clip (d) always 1 minute
32. 32.⏱️ A 20-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
33. 33.⏱️ Your video must be 180 seconds long. Your clips add up to 130 seconds. How many more seconds of video do you need?
34. 34.⏱️ A video is 85 seconds long. How long is that in minutes and seconds? (a) 3 min 25 s (b) 1 min 25 s (c) 2 min 25 s (d) 1 min 55 s
35. 35.⏱️ A video is 590 seconds long. How long is that in minutes and seconds? (a) 9 min 20 s (b) 10 min 50 s (c) 9 min 50 s (d) 5 min 90 s
36. 36.⏱️ A video has three clips of 45, 31 and 8 seconds. How long is the video (in seconds)?
37. 37.⏱️ A 7-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
38. 38.⏱️ How many seconds is 7 minutes 29 seconds?
39. 39.⏱️ How many seconds is 7 minutes 38 seconds?
40. 40.⏱️ A video has three clips of 27, 60 and 54 seconds. How long is the video (in seconds)?

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