Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 931 · 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 photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 You shrink an 800 × 620 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
4. 4.Which of these best fits 1:1? (a) an upright phone screen (b) a laptop film screen (c) an album cover (d) a landscape video
5. 5.Which of these best fits 4:3? (a) a tall phone video (b) an older TV screen (c) a square profile picture (d) a widescreen slide
6. 6.Which of these best fits 16:9? (a) a widescreen TV (b) an upright phone screen (c) a tall phone video (d) an old-style monitor
7. 7.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
9. 9.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
10. 10.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
11. 11.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
13. 13.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
14. 14.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
15. 15.Which of these best fits 4:3? (a) an old-style monitor (b) a laptop film screen (c) a landscape video (d) a tall phone video
16. 16.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
17. 17.🟦 An image is 380 pixels wide and 390 pixels tall. How many pixels does it have in all?
18. 18.Which of these best fits 1:1? (a) a widescreen TV (b) an upright phone screen (c) a square profile picture (d) a landscape video
19. 19.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
20. 20.Which of these best fits 9:16? (a) a laptop film screen (b) a square sticker (c) a widescreen slide (d) a phone story clip
21. 21.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
22. 22.Which of these best fits 9:16? (a) an old-style monitor (b) a widescreen slide (c) a tall phone video (d) a square sticker
23. 23.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
24. 24.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
25. 25.Which of these best fits 4:3? (a) a phone story clip (b) a classic tablet screen (c) a landscape video (d) a square profile picture
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
27. 27.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
28. 28.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the file name (d) the paper colour
30. 30.Which of these best fits 16:9? (a) a square profile picture (b) an album cover (c) a landscape video (d) an old-style monitor
31. 31.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
32. 32.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
33. 33.🟦 An image is 160 × 160 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
35. 35.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 An image is 110 pixels wide and 60 pixels tall. How many pixels does it have in all?
37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
39. 39.🟦 You shrink a 720 × 480 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 You shrink a 620 × 740 pixel image to half its width and half its height. How many pixels does it have now?

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