Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 276 · 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 aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
2. 2.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
4. 4.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
5. 5.🟦 An image is 570 × 380 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
6. 6.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
7. 7.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
9. 9.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
10. 10.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
11. 11.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 You shrink a 500 × 760 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 An image is 280 pixels wide and 170 pixels tall. How many pixels does it have in all?
14. 14.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
16. 16.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
17. 17.🟦 An image is 320 pixels wide and 280 pixels tall. How many pixels does it have in all?
18. 18.Which of these best fits 4:3? (a) a tall phone video (b) a phone story clip (c) an older TV screen (d) a laptop film screen
19. 19.🟦 An image is 200 pixels wide and 60 pixels tall. How many pixels does it have in all?
20. 20.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) sharper (d) longer
21. 21.🟦 An image is 20 pixels wide and 130 pixels tall. How many pixels does it have in all?
22. 22.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
23. 23.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
25. 25.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 You shrink a 460 × 400 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.Which of these best fits 4:3? (a) a classic tablet screen (b) a square post (c) a square profile picture (d) a widescreen TV
28. 28.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
30. 30.🟦 You shrink a 300 × 480 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.Which of these best fits 9:16? (a) a laptop film screen (b) an older TV screen (c) an upright phone screen (d) a landscape video
32. 32.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
33. 33.🟦 An image is 30 pixels wide and 210 pixels tall. How many pixels does it have in all?
34. 34.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
35. 35.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
37. 37.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
38. 38.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 You shrink a 400 × 780 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 A 4:3 video frame is 920 pixels wide. How many pixels tall is it?

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