Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 214 · 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.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
2. 2.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
3. 3.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
4. 4.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a type of paper (d) a font size
5. 5.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
6. 6.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
8. 8.Which of these best fits 16:9? (a) a laptop film screen (b) a tall phone video (c) an older TV screen (d) a square post
9. 9.🟦 An image is 50 pixels wide and 40 pixels tall. How many pixels does it have in all?
10. 10.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
11. 11.🟦 An image is 310 pixels wide and 360 pixels tall. How many pixels does it have in all?
12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
13. 13.🟦 You shrink a 480 × 260 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
15. 15.Which of these best fits 9:16? (a) a phone story clip (b) a widescreen slide (c) a classic tablet screen (d) an older TV screen
16. 16.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen slide (c) an old-style monitor (d) an older TV screen
17. 17.🟦 An image is 80 pixels wide and 20 pixels tall. How many pixels does it have in all?
18. 18.🟦 You shrink a 380 × 300 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
20. 20.Which of these best fits 1:1? (a) an upright phone screen (b) a square post (c) a laptop film screen (d) a widescreen TV
21. 21.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
22. 22.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
23. 23.🟦 An image is 340 pixels wide and 90 pixels tall. How many pixels does it have in all?
24. 24.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
25. 25.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 You shrink a 200 × 540 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 You shrink a 180 × 720 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
29. 29.🟦 An image is 30 pixels wide and 280 pixels tall. How many pixels does it have in all?
30. 30.Which of these best fits 1:1? (a) an upright phone screen (b) a landscape video (c) an old-style monitor (d) a square profile picture
31. 31.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
33. 33.Which of these best fits 16:9? (a) a square sticker (b) a widescreen TV (c) an older TV screen (d) a square post
34. 34.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
35. 35.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
36. 36.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
37. 37.🟦 An image is 370 pixels wide and 110 pixels tall. How many pixels does it have in all?
38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
39. 39.🟦 You shrink a 600 × 400 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?

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