Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 451 · 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 of these best fits 16:9? (a) a square profile picture (b) a landscape video (c) a classic tablet screen (d) an older TV screen
2. 2.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
3. 3.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.Which of these best fits 4:3? (a) a landscape video (b) a laptop film screen (c) an upright phone screen (d) an older TV screen
5. 5.🟦 You shrink a 180 × 800 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.Which of these best fits 9:16? (a) a laptop film screen (b) an older TV screen (c) a square profile picture (d) an upright phone screen
7. 7.Which of these best fits 16:9? (a) a square profile picture (b) an older TV screen (c) a widescreen slide (d) an album cover
8. 8.🟦 An image is 140 pixels wide and 240 pixels tall. How many pixels does it have in all?
9. 9.🟦 You shrink a 740 × 160 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 An image is 60 pixels wide and 210 pixels tall. How many pixels does it have in all?
11. 11.🟦 You shrink a 780 × 500 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 An image is 340 pixels wide and 160 pixels tall. How many pixels does it have in all?
14. 14.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
15. 15.🟦 You shrink a 220 × 40 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
17. 17.Which of these best fits 9:16? (a) an old-style monitor (b) a tall phone video (c) a square sticker (d) a laptop film screen
18. 18.🟦 An image is 130 pixels wide and 390 pixels tall. How many pixels does it have in all?
19. 19.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
20. 20.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
21. 21.🟦 An image is 180 pixels wide and 350 pixels tall. How many pixels does it have in all?
22. 22.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
23. 23.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
24. 24.🟦 An image is 300 pixels wide and 340 pixels tall. How many pixels does it have in all?
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
26. 26.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) sharper (d) more colourful
27. 27.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
28. 28.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
29. 29.Which of these best fits 1:1? (a) a phone story clip (b) a square profile picture (c) an old-style monitor (d) an upright phone screen
30. 30.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
31. 31.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
32. 32.Which of these best fits 16:9? (a) an old-style monitor (b) a laptop film screen (c) a phone story clip (d) a square post
33. 33.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 You shrink a 260 × 160 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
36. 36.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
37. 37.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
38. 38.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
40. 40.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2

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