Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 809 · 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 an older TV screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
2. 2.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
3. 3.🟦 An image is 690 × 460 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
5. 5.Which of these best fits 9:16? (a) an older TV screen (b) a tall phone video (c) a square sticker (d) a landscape video
6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
7. 7.🟦 An image is 140 pixels wide and 90 pixels tall. How many pixels does it have in all?
8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
9. 9.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
11. 11.Which of these best fits 16:9? (a) a tall phone video (b) a phone story clip (c) a landscape video (d) a classic tablet screen
12. 12.Which of these best fits 9:16? (a) an upright phone screen (b) an album cover (c) a classic tablet screen (d) an old-style monitor
13. 13.🟦 An image is 50 pixels wide and 90 pixels tall. How many pixels does it have in all?
14. 14.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
16. 16.🟦 An image is 390 pixels wide and 120 pixels tall. How many pixels does it have in all?
17. 17.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) sharper (d) louder
18. 18.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
19. 19.Which of these best fits 16:9? (a) a classic tablet screen (b) a square post (c) an upright phone screen (d) a widescreen slide
20. 20.🟦 An image is 230 pixels wide and 330 pixels tall. How many pixels does it have in all?
21. 21.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
22. 22.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
23. 23.🟦 You shrink a 480 × 280 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 You shrink a 460 × 320 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a sound (d) a font size
27. 27.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
28. 28.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 You shrink an 800 × 80 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
31. 31.Which of these best fits 1:1? (a) a laptop film screen (b) a square profile picture (c) a tall phone video (d) a landscape video
32. 32.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
33. 33.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
35. 35.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
36. 36.🟦 You shrink a 640 × 280 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
38. 38.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
39. 39.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
40. 40.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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