Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 455 · 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 square sticker? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
2. 2.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
3. 3.🟦 An image is 300 pixels wide and 70 pixels tall. How many pixels does it have in all?
4. 4.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
6. 6.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
8. 8.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
9. 9.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
11. 11.Which of these best fits 1:1? (a) a phone story clip (b) an old-style monitor (c) a widescreen TV (d) a square sticker
12. 12.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
13. 13.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
14. 14.Which of these best fits 4:3? (a) a square profile picture (b) a laptop film screen (c) a classic tablet screen (d) a widescreen TV
15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
16. 16.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
17. 17.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
18. 18.🟦 An image is 290 pixels wide and 30 pixels tall. How many pixels does it have in all?
19. 19.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
20. 20.🟦 You shrink a 240 × 740 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
22. 22.Which of these best fits 1:1? (a) an upright phone screen (b) an album cover (c) a tall phone video (d) a landscape video
23. 23.🟦 You shrink a 640 × 780 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.Which of these best fits 16:9? (a) a widescreen TV (b) an upright phone screen (c) an album cover (d) a phone story clip
25. 25.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 140 pixels wide and 60 pixels tall. How many pixels does it have in all?
28. 28.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 An image is 240 pixels wide and 90 pixels tall. How many pixels does it have in all?
30. 30.Which of these best fits 1:1? (a) an old-style monitor (b) a classic tablet screen (c) an older TV screen (d) a square profile picture
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
32. 32.🟦 You shrink a 180 × 40 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
34. 34.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
35. 35.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
36. 36.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
38. 38.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
39. 39.🟦 An image is 180 pixels wide and 120 pixels tall. How many pixels does it have in all?
40. 40.🟦 An image is 280 pixels wide and 260 pixels tall. How many pixels does it have in all?

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