Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 285 · 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 aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
2. 2.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
3. 3.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
5. 5.Which of these best fits 9:16? (a) a landscape video (b) a square post (c) a widescreen slide (d) a phone story clip
6. 6.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
7. 7.🟦 A 16:9 video frame is 1760 pixels wide. How many pixels tall is it?
8. 8.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a sound (d) a type of paper
9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
10. 10.🟦 An image is 290 pixels wide and 330 pixels tall. How many pixels does it have in all?
11. 11.🟦 An image is 220 pixels wide and 80 pixels tall. How many pixels does it have in all?
12. 12.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
13. 13.Which of these best fits 4:3? (a) an album cover (b) a laptop film screen (c) a tall phone video (d) an older TV screen
14. 14.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
15. 15.🟦 An image is 60 pixels wide and 70 pixels tall. How many pixels does it have in all?
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
17. 17.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.Which of these best fits 4:3? (a) an album cover (b) a tall phone video (c) a landscape video (d) an old-style monitor
19. 19.🟦 You shrink a 480 × 580 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.Which of these best fits 16:9? (a) a landscape video (b) an album cover (c) a square sticker (d) a tall phone video
21. 21.Which of these best fits 16:9? (a) a phone story clip (b) a classic tablet screen (c) an album cover (d) a laptop film screen
22. 22.🟦 An image is 20 pixels wide and 370 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 140 pixels wide and 220 pixels tall. How many pixels does it have in all?
24. 24.Which of these best fits 9:16? (a) a square post (b) a widescreen slide (c) an upright phone screen (d) a square profile picture
25. 25.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
26. 26.🟦 You shrink a 760 × 540 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 A 4:3 video frame is 360 pixels wide. How many pixels tall is it?
28. 28.🟦 You shrink a 220 × 640 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
30. 30.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
31. 31.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
33. 33.🟦 An image is 300 pixels wide and 380 pixels tall. How many pixels does it have in all?
34. 34.🟦 An image is 60 pixels wide and 260 pixels tall. How many pixels does it have in all?
35. 35.🟦 You shrink a 420 × 160 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
37. 37.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
38. 38.Which of these best fits 1:1? (a) a widescreen TV (b) a square profile picture (c) a phone story clip (d) an older TV screen
39. 39.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
40. 40.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?

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