Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 359 · 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 20 pixels wide and 190 pixels tall. How many pixels does it have in all?
2. 2.Which of these best fits 1:1? (a) a landscape video (b) a square profile picture (c) a classic tablet screen (d) an upright phone screen
3. 3.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
4. 4.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) wider than it is tall (d) taller than wide
5. 5.🟦 You shrink a 440 × 380 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 1620 pixels tall. How many pixels wide is it?
7. 7.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
8. 8.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
10. 10.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
11. 11.Which of these best fits 9:16? (a) a laptop film screen (b) a square post (c) a square sticker (d) a phone story clip
12. 12.🟦 You shrink an 80 × 80 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen slide (c) a square post (d) a landscape video
14. 14.🟦 An image is 340 pixels wide and 250 pixels tall. How many pixels does it have in all?
15. 15.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 You shrink a 620 × 180 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 You shrink a 620 × 460 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 An image is 20 pixels wide and 170 pixels tall. How many pixels does it have in all?
19. 19.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
20. 20.Which of these best fits 9:16? (a) a square post (b) an album cover (c) a tall phone video (d) an older TV screen
21. 21.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
22. 22.Which of these best fits 16:9? (a) a widescreen slide (b) an album cover (c) a phone story clip (d) an older TV screen
23. 23.Which of these best fits 16:9? (a) a square profile picture (b) a phone story clip (c) a laptop film screen (d) an album cover
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
25. 25.Which of these best fits 16:9? (a) a square profile picture (b) a classic tablet screen (c) a landscape video (d) a square post
26. 26.Which of these best fits 1:1? (a) an upright phone screen (b) a classic tablet screen (c) a square sticker (d) a tall phone video
27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
28. 28.🟦 You shrink a 260 × 500 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
30. 30.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a sound (d) a font size
31. 31.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
32. 32.🟦 You shrink a 340 × 680 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 You shrink a 560 × 760 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.Which of these best fits 16:9? (a) a widescreen TV (b) an older TV screen (c) a square post (d) an upright phone screen
35. 35.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
36. 36.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
37. 37.Which of these best fits 4:3? (a) an upright phone screen (b) a landscape video (c) an album cover (d) an older TV screen
38. 38.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
39. 39.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
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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