Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 438 · 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 widescreen TV? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
3. 3.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
4. 4.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
5. 5.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.Which of these best fits 16:9? (a) an upright phone screen (b) a classic tablet screen (c) a square profile picture (d) a laptop film screen
7. 7.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
9. 9.🟦 You shrink a 340 × 800 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
11. 11.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
12. 12.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
13. 13.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
14. 14.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
15. 15.Which of these best fits 4:3? (a) a widescreen TV (b) an album cover (c) a tall phone video (d) a classic tablet screen
16. 16.Which of these best fits 4:3? (a) a laptop film screen (b) a phone story clip (c) an old-style monitor (d) a square post
17. 17.🟦 You shrink a 440 × 260 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) a perfect square (d) taller than wide
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
21. 21.🟦 An image is 350 pixels wide and 60 pixels tall. How many pixels does it have in all?
22. 22.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
23. 23.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
24. 24.Which of these best fits 16:9? (a) a square sticker (b) a landscape video (c) a classic tablet screen (d) a tall phone video
25. 25.🟦 An image is 210 pixels wide and 220 pixels tall. How many pixels does it have in all?
26. 26.🟦 An image is 320 pixels wide and 240 pixels tall. How many pixels does it have in all?
27. 27.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 The resolution of an image is … (a) the font (b) the file name (c) the paper colour (d) the number of pixels
29. 29.Which of these best fits 16:9? (a) an upright phone screen (b) a widescreen TV (c) a classic tablet screen (d) an older TV screen
30. 30.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
31. 31.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
32. 32.🟦 You shrink a 300 × 700 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 You shrink a 580 × 300 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 An image is 280 pixels wide and 330 pixels tall. How many pixels does it have in all?
35. 35.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
36. 36.🟦 You shrink a 740 × 360 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.Which of these best fits 9:16? (a) a widescreen slide (b) a tall phone video (c) a square post (d) a square sticker
38. 38.🟦 You shrink a 60 × 500 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
40. 40.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9

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