Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 502 · 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.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a type of paper (d) a sound
2. 2.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
3. 3.🟦 You shrink a 420 × 620 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
5. 5.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
6. 6.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
8. 8.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
9. 9.Which of these best fits 9:16? (a) a classic tablet screen (b) a landscape video (c) a tall phone video (d) a laptop film screen
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
11. 11.Which of these best fits 16:9? (a) a square sticker (b) an album cover (c) a widescreen slide (d) a square post
12. 12.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
13. 13.🟦 A 16:9 video frame is 2080 pixels wide. How many pixels tall is it?
14. 14.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
15. 15.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
16. 16.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
17. 17.🟦 You shrink an 800 × 500 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
20. 20.Which of these best fits 16:9? (a) an old-style monitor (b) a square profile picture (c) a laptop film screen (d) a classic tablet screen
21. 21.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
22. 22.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
24. 24.🟦 An image is 320 pixels wide and 280 pixels tall. How many pixels does it have in all?
25. 25.🟦 You shrink a 560 × 580 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
27. 27.Which of these best fits 4:3? (a) a square profile picture (b) an old-style monitor (c) an album cover (d) a widescreen TV
28. 28.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
29. 29.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
30. 30.🟦 An image is 350 pixels wide and 230 pixels tall. How many pixels does it have in all?
31. 31.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
33. 33.Which of these best fits 1:1? (a) an old-style monitor (b) a tall phone video (c) a laptop film screen (d) a square post
34. 34.🟦 You shrink a 120 × 700 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
37. 37.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
38. 38.Which of these best fits 1:1? (a) an old-style monitor (b) a landscape video (c) an album cover (d) a tall phone video
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
40. 40.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?

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