Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 916 · 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 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
3. 3.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
4. 4.Which of these best fits 16:9? (a) a classic tablet screen (b) a square sticker (c) a landscape video (d) an old-style monitor
5. 5.🟦 An image is 390 pixels wide and 20 pixels tall. How many pixels does it have in all?
6. 6.🟦 You shrink a 200 × 600 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
8. 8.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
9. 9.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
11. 11.Which of these best fits 16:9? (a) an album cover (b) an upright phone screen (c) a square sticker (d) a widescreen TV
12. 12.🟦 An image is 160 × 160 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
13. 13.Which of these best fits 4:3? (a) an old-style monitor (b) a square post (c) a landscape video (d) a laptop film screen
14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
15. 15.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
16. 16.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 360 pixels wide and 300 pixels tall. How many pixels does it have in all?
18. 18.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
19. 19.🟦 An image is 250 pixels wide and 310 pixels tall. How many pixels does it have in all?
20. 20.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
21. 21.Which of these best fits 9:16? (a) an old-style monitor (b) a widescreen slide (c) a tall phone video (d) a laptop film screen
22. 22.🟦 You shrink a 500 × 220 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
24. 24.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
26. 26.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
27. 27.🟦 You shrink a 560 × 800 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 A 4:3 video frame is 390 pixels tall. How many pixels wide is it?
29. 29.🟦 An image is 380 pixels wide and 320 pixels tall. How many pixels does it have in all?
30. 30.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
32. 32.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
33. 33.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
34. 34.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
36. 36.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
39. 39.Which of these best fits 9:16? (a) a square profile picture (b) an upright phone screen (c) a classic tablet screen (d) an older TV screen
40. 40.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1

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