Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 256 · 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.🟦 An image is 360 pixels wide and 380 pixels tall. How many pixels does it have in all?
2. 2.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
3. 3.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) longer (d) louder
5. 5.Which of these best fits 4:3? (a) an upright phone screen (b) an album cover (c) an older TV screen (d) a tall phone video
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
7. 7.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
8. 8.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
9. 9.Which of these best fits 1:1? (a) an upright phone screen (b) a square sticker (c) a widescreen slide (d) a classic tablet screen
10. 10.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
11. 11.Which of these best fits 4:3? (a) a square sticker (b) an album cover (c) an old-style monitor (d) an upright phone screen
12. 12.🟦 You shrink a 60 × 120 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 You shrink a 140 × 560 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
15. 15.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
17. 17.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
18. 18.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
19. 19.🟦 You shrink a 600 × 460 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
22. 22.🟦 You shrink a 580 × 120 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 280 pixels wide and 110 pixels tall. How many pixels does it have in all?
24. 24.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
25. 25.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
26. 26.Which of these best fits 9:16? (a) a widescreen slide (b) a classic tablet screen (c) a phone story clip (d) a widescreen TV
27. 27.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
28. 28.Which of these best fits 16:9? (a) a landscape video (b) a square post (c) an album cover (d) an old-style monitor
29. 29.🟦 You shrink a 300 × 700 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
31. 31.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
32. 32.🟦 An image is 360 pixels wide and 170 pixels tall. How many pixels does it have in all?
33. 33.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
34. 34.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
35. 35.Which of these best fits 9:16? (a) a classic tablet screen (b) a laptop film screen (c) a tall phone video (d) a landscape video
36. 36.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
37. 37.🟦 You shrink a 100 × 300 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
39. 39.Which of these best fits 16:9? (a) a tall phone video (b) an older TV screen (c) a laptop film screen (d) a classic tablet screen
40. 40.🟦 An image is 250 pixels wide and 100 pixels tall. How many pixels does it have in all?

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