Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 341 · 40 questions

Creator's tip (Width times height): Pixels = width × height; megapixels = pixels ÷ 1000000. Aspect ratio = width : height. 16:9 wide, 4:3 squarer, 1:1 square, 9:16 tall. Keep the ratio: a 16:9 frame 1920 pixels wide is 1920 ÷ 16 × 9 = 1080 tall. Printing: inches × pixels per inch.

1. 1.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
2. 2.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
3. 3.🟦 A 4:3 video frame is 390 pixels tall. How many pixels wide is it?
4. 4.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
5. 5.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
6. 6.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
7. 7.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
8. 8.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
9. 9.Which of these best fits 4:3? (a) a widescreen slide (b) an upright phone screen (c) a classic tablet screen (d) a square profile picture
10. 10.🟦 An image is 160 pixels wide and 120 pixels tall. How many pixels does it have in all?
11. 11.Which of these best fits 4:3? (a) an old-style monitor (b) a laptop film screen (c) a tall phone video (d) an upright phone screen
12. 12.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
13. 13.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
14. 14.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
15. 15.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
16. 16.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
18. 18.🟦 You shrink a 660 × 600 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 An image is 690 × 460 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
20. 20.🟦 An image is 40 pixels wide and 260 pixels tall. How many pixels does it have in all?
21. 21.Which of these best fits 1:1? (a) a classic tablet screen (b) an upright phone screen (c) a widescreen slide (d) a square profile picture
22. 22.Which of these best fits 16:9? (a) a phone story clip (b) an album cover (c) an upright phone screen (d) a widescreen TV
23. 23.Which of these best fits 16:9? (a) an upright phone screen (b) a square sticker (c) a widescreen slide (d) a phone story clip
24. 24.Which of these best fits 16:9? (a) an old-style monitor (b) an album cover (c) a square post (d) a landscape video
25. 25.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
26. 26.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
27. 27.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
30. 30.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
32. 32.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 A 4:3 video frame is 360 pixels wide. How many pixels tall is it?
34. 34.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
35. 35.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
36. 36.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
37. 37.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
38. 38.🟦 You shrink an 800 × 600 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
40. 40.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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