Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 498 · 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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
2. 2.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
3. 3.Which of these best fits 1:1? (a) a landscape video (b) an upright phone screen (c) a widescreen slide (d) a square profile picture
4. 4.🟦 An image is 220 pixels wide and 350 pixels tall. How many pixels does it have in all?
5. 5.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
6. 6.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
7. 7.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
8. 8.🟦 An image is 190 pixels wide and 320 pixels tall. How many pixels does it have in all?
9. 9.🟦 You shrink a 280 × 800 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
11. 11.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
12. 12.Which of these best fits 4:3? (a) an upright phone screen (b) a square profile picture (c) an old-style monitor (d) a square sticker
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
14. 14.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
16. 16.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
17. 17.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
19. 19.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
20. 20.Which of these best fits 1:1? (a) an older TV screen (b) a square post (c) a laptop film screen (d) an upright phone screen
21. 21.🟦 An image is 50 pixels wide and 390 pixels tall. How many pixels does it have in all?
22. 22.🟦 An image is 320 pixels wide and 140 pixels tall. How many pixels does it have in all?
23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
24. 24.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
26. 26.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
27. 27.Which of these best fits 1:1? (a) an upright phone screen (b) a laptop film screen (c) a landscape video (d) an album cover
28. 28.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 You shrink a 60 × 400 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen slide (c) an album cover (d) a phone story clip
31. 31.Which of these best fits 9:16? (a) an old-style monitor (b) an upright phone screen (c) a laptop film screen (d) a classic tablet screen
32. 32.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
33. 33.🟦 You shrink a 100 × 700 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 You shrink a 480 × 40 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 100 pixels wide and 30 pixels tall. How many pixels does it have in all?
36. 36.🟦 You shrink a 420 × 440 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
38. 38.Which of these best fits 4:3? (a) a square profile picture (b) an album cover (c) an older TV screen (d) an upright phone screen
39. 39.Which of these best fits 4:3? (a) a classic tablet screen (b) a landscape video (c) an album cover (d) a square sticker
40. 40.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16

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