Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 216 · 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.🟦 An image is 920 × 690 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
2. 2.Which of these best fits 16:9? (a) a square profile picture (b) an old-style monitor (c) a widescreen TV (d) a square sticker
3. 3.🟦 An image is 300 pixels wide and 80 pixels tall. How many pixels does it have in all?
4. 4.Which of these best fits 16:9? (a) an older TV screen (b) an upright phone screen (c) an old-style monitor (d) a laptop film screen
5. 5.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
7. 7.🟦 An image is 170 pixels wide and 190 pixels tall. How many pixels does it have in all?
8. 8.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
10. 10.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
11. 11.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
12. 12.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
13. 13.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
14. 14.Which of these best fits 9:16? (a) a phone story clip (b) a square profile picture (c) an album cover (d) an older TV screen
15. 15.Which of these best fits 4:3? (a) a classic tablet screen (b) an upright phone screen (c) a square post (d) a landscape video
16. 16.Which of these best fits 1:1? (a) a widescreen slide (b) a widescreen TV (c) a square profile picture (d) an old-style monitor
17. 17.🟦 An image is 250 pixels wide and 140 pixels tall. How many pixels does it have in all?
18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
19. 19.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
20. 20.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 An image is 220 pixels wide and 310 pixels tall. How many pixels does it have in all?
22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
23. 23.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
24. 24.🟦 You shrink a 480 × 60 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.Which of these best fits 9:16? (a) a tall phone video (b) an older TV screen (c) a laptop film screen (d) a widescreen slide
26. 26.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?
27. 27.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
28. 28.🟦 You shrink a 200 × 160 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
31. 31.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
32. 32.Which of these best fits 4:3? (a) a square post (b) a widescreen TV (c) a laptop film screen (d) an older TV screen
33. 33.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
34. 34.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
35. 35.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 An image is 240 pixels wide and 180 pixels tall. How many pixels does it have in all?
37. 37.🟦 An image is 340 pixels wide and 210 pixels tall. How many pixels does it have in all?
38. 38.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
39. 39.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) round (d) taller than wide
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?

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