Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 82 · 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.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
3. 3.🟦 You shrink a 160 × 360 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 An image is 390 pixels wide and 360 pixels tall. How many pixels does it have in all?
5. 5.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
6. 6.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
7. 7.🟦 You shrink a 760 × 480 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.Which of these best fits 16:9? (a) a square profile picture (b) a classic tablet screen (c) an older TV screen (d) a laptop film screen
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
10. 10.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 An image is 340 pixels wide and 350 pixels tall. How many pixels does it have in all?
12. 12.Which of these best fits 4:3? (a) a widescreen TV (b) a phone story clip (c) a classic tablet screen (d) a square profile picture
13. 13.🟦 You shrink a 760 × 180 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 You shrink a 160 × 700 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
17. 17.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
18. 18.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.Which of these best fits 1:1? (a) a widescreen slide (b) a laptop film screen (c) an old-style monitor (d) a square post
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
22. 22.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
23. 23.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
24. 24.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
25. 25.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
26. 26.🟦 You shrink an 80 × 420 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 You shrink a 360 × 700 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
29. 29.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 You shrink an 800 × 180 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
34. 34.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
35. 35.🟦 You shrink a 520 × 580 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
37. 37.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.Which of these best fits 16:9? (a) a tall phone video (b) a square post (c) a widescreen slide (d) an upright phone screen
39. 39.Which of these best fits 16:9? (a) an upright phone screen (b) an old-style monitor (c) an older TV screen (d) a landscape video
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?

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