Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 151 · 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.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
2. 2.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.Which of these best fits 16:9? (a) a square sticker (b) a tall phone video (c) an older TV screen (d) a widescreen slide
4. 4.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
5. 5.🟦 You shrink a 680 × 540 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
7. 7.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
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.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.Which of these best fits 16:9? (a) a tall phone video (b) a square sticker (c) an older TV screen (d) a landscape video
11. 11.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) a perfect square (d) taller than wide
12. 12.🟦 You shrink a 600 × 660 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 An image is 320 pixels wide and 20 pixels tall. How many pixels does it have in all?
14. 14.🟦 An image is 100 pixels wide and 210 pixels tall. How many pixels does it have in all?
15. 15.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
16. 16.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
17. 17.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 You shrink a 340 × 120 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.Which of these best fits 16:9? (a) an old-style monitor (b) a square profile picture (c) an older TV screen (d) a laptop film screen
20. 20.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
21. 21.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
22. 22.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
23. 23.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
25. 25.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
27. 27.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
28. 28.Which of these best fits 1:1? (a) an older TV screen (b) a landscape video (c) an album cover (d) a widescreen slide
29. 29.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
31. 31.Which of these best fits 4:3? (a) a phone story clip (b) a widescreen slide (c) a classic tablet screen (d) a square sticker
32. 32.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the file name (d) the number of pixels
34. 34.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
36. 36.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
38. 38.🟦 You shrink a 760 × 120 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
40. 40.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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