Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 385 · 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 album cover? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
2. 2.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
3. 3.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
5. 5.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
6. 6.🟦 An image is 230 pixels wide and 240 pixels tall. How many pixels does it have in all?
7. 7.Which of these best fits 16:9? (a) an old-style monitor (b) a square post (c) an older TV screen (d) a landscape video
8. 8.Which of these best fits 1:1? (a) a square profile picture (b) a widescreen slide (c) a widescreen TV (d) a laptop film screen
9. 9.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
10. 10.🟦 An image is 270 pixels wide and 220 pixels tall. How many pixels does it have in all?
11. 11.Which of these best fits 16:9? (a) an old-style monitor (b) a widescreen TV (c) a phone story clip (d) a tall phone video
12. 12.🟦 You shrink a 460 × 240 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
14. 14.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
15. 15.🟦 An image is 330 pixels wide and 360 pixels tall. How many pixels does it have in all?
16. 16.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
17. 17.🟦 An image is 170 pixels wide and 80 pixels tall. How many pixels does it have in all?
18. 18.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
19. 19.🟦 An image is 120 pixels wide and 30 pixels tall. How many pixels does it have in all?
20. 20.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
21. 21.Which of these best fits 9:16? (a) a square profile picture (b) a classic tablet screen (c) a phone story clip (d) an older TV screen
22. 22.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
23. 23.Which of these best fits 4:3? (a) a classic tablet screen (b) an album cover (c) a square profile picture (d) an upright phone screen
24. 24.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 An image is 170 pixels wide and 200 pixels tall. How many pixels does it have in all?
26. 26.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
27. 27.Which of these best fits 4:3? (a) a square profile picture (b) a laptop film screen (c) a square sticker (d) an older TV screen
28. 28.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
29. 29.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
31. 31.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
32. 32.🟦 An image is 70 pixels wide and 100 pixels tall. How many pixels does it have in all?
33. 33.🟦 You shrink a 540 × 700 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
35. 35.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
37. 37.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
38. 38.Which of these best fits 16:9? (a) a laptop film screen (b) a phone story clip (c) an upright phone screen (d) a tall phone video
39. 39.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
40. 40.🟦 An image is 40 pixels wide and 150 pixels tall. How many pixels does it have in all?

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