Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 644 · 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.Which of these best fits 4:3? (a) a square post (b) an older TV screen (c) an upright phone screen (d) an album cover
2. 2.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen slide (c) a landscape video (d) an upright phone screen
5. 5.Which of these best fits 9:16? (a) a classic tablet screen (b) a square profile picture (c) a square post (d) a phone story clip
6. 6.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
7. 7.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?
8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
9. 9.🟦 You shrink a 580 × 680 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
12. 12.Which of these best fits 16:9? (a) an album cover (b) a widescreen slide (c) an upright phone screen (d) an older TV screen
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
14. 14.🟦 You shrink a 160 × 300 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
16. 16.🟦 An image is 30 pixels wide and 390 pixels tall. How many pixels does it have in all?
17. 17.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
18. 18.🟦 A 4:3 video frame is 540 pixels tall. How many pixels wide is it?
19. 19.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen slide (c) an old-style monitor (d) a square profile picture
20. 20.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
21. 21.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 An image is 20 pixels wide and 350 pixels tall. How many pixels does it have in all?
23. 23.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
24. 24.🟦 You shrink a 540 × 440 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) longer (d) louder
26. 26.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
27. 27.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
28. 28.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 An image is 310 pixels wide and 40 pixels tall. How many pixels does it have in all?
30. 30.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
31. 31.🟦 An image is 120 pixels wide and 60 pixels tall. How many pixels does it have in all?
32. 32.Which of these best fits 16:9? (a) a widescreen TV (b) an old-style monitor (c) a phone story clip (d) a classic tablet screen
33. 33.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
34. 34.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
35. 35.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 You shrink a 520 × 460 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
38. 38.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) taller than wide (d) a perfect square
39. 39.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
40. 40.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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