Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 653 · 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.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) wider than it is tall (d) a perfect square
2. 2.🟦 You shrink a 200 × 360 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 An image is 200 pixels wide and 260 pixels tall. How many pixels does it have in all?
4. 4.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
6. 6.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
7. 7.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
8. 8.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
10. 10.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
11. 11.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
12. 12.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
14. 14.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
15. 15.🟦 You shrink a 440 × 580 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
17. 17.Which of these best fits 9:16? (a) a widescreen slide (b) a classic tablet screen (c) a phone story clip (d) a laptop film screen
18. 18.🟦 You shrink a 320 × 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 square sticker? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
20. 20.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
21. 21.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
23. 23.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.Which of these best fits 1:1? (a) an older TV screen (b) a square profile picture (c) a tall phone video (d) a classic tablet screen
25. 25.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
26. 26.🟦 An image is 350 pixels wide and 120 pixels tall. How many pixels does it have in all?
27. 27.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
28. 28.🟦 You shrink a 300 × 340 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
30. 30.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
31. 31.🟦 You shrink a 500 × 700 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
33. 33.🟦 You shrink a 200 × 640 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.Which of these best fits 1:1? (a) a phone story clip (b) a widescreen slide (c) a square post (d) a laptop film screen
35. 35.🟦 You shrink a 260 × 760 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.Which of these best fits 1:1? (a) a widescreen TV (b) an album cover (c) an upright phone screen (d) a landscape video
37. 37.🟦 An image is 140 pixels wide and 140 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
39. 39.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
40. 40.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1

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