Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 200 · 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 2720 × 1530 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
2. 2.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
3. 3.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
4. 4.🟦 You shrink a 60 × 360 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 You shrink a 420 × 760 pixel image to half its width and half its height. How many pixels does it have now?
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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
8. 8.🟦 A 16:9 video frame is 2160 pixels tall. How many pixels wide is it?
9. 9.Which of these best fits 16:9? (a) an album cover (b) a classic tablet screen (c) a landscape video (d) a square profile picture
10. 10.Which of these best fits 1:1? (a) a laptop film screen (b) an album cover (c) a classic tablet screen (d) a tall phone video
11. 11.🟦 An image is 230 pixels wide and 280 pixels tall. How many pixels does it have in all?
12. 12.🟦 You shrink a 520 × 240 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
15. 15.🟦 You shrink a 520 × 160 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
18. 18.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
19. 19.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
21. 21.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
22. 22.🟦 A 16:9 video frame is 1800 pixels tall. How many pixels wide is it?
23. 23.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
24. 24.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
25. 25.🟦 You shrink a 480 × 180 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 An image is 100 pixels wide and 110 pixels tall. How many pixels does it have in all?
27. 27.🟦 An image is 70 pixels wide and 340 pixels tall. How many pixels does it have in all?
28. 28.🟦 An image is 920 × 690 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
29. 29.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
30. 30.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
31. 31.Which of these best fits 9:16? (a) a laptop film screen (b) a widescreen TV (c) a tall phone video (d) a classic tablet screen
32. 32.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) squashed or wide (d) more colourful
33. 33.Which of these best fits 4:3? (a) a square sticker (b) a laptop film screen (c) a phone story clip (d) an old-style monitor
34. 34.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
35. 35.Which of these best fits 16:9? (a) a square profile picture (b) a phone story clip (c) a widescreen TV (d) an older TV screen
36. 36.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
37. 37.Which of these best fits 16:9? (a) a laptop film screen (b) an older TV screen (c) an old-style monitor (d) a square sticker
38. 38.🟦 You shrink a 380 × 200 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.Which of these best fits 4:3? (a) an album cover (b) a classic tablet screen (c) an upright phone screen (d) a phone story clip
40. 40.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper

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