Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 830 · 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 20 × 20 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
2. 2.🟦 You shrink a 780 × 60 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
4. 4.🟦 An image is 130 pixels wide and 80 pixels tall. How many pixels does it have in all?
5. 5.Which of these best fits 16:9? (a) an upright phone screen (b) a laptop film screen (c) a tall phone video (d) an older TV screen
6. 6.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
7. 7.Which of these best fits 9:16? (a) a square post (b) a tall phone video (c) a classic tablet screen (d) a square sticker
8. 8.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
9. 9.Which of these best fits 4:3? (a) an album cover (b) an old-style monitor (c) a square post (d) a laptop film screen
10. 10.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 You shrink a 540 × 700 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
14. 14.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
15. 15.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
16. 16.🟦 An image is 280 pixels wide and 110 pixels tall. How many pixels does it have in all?
17. 17.🟦 You shrink a 540 × 720 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 An image is 370 pixels wide and 300 pixels tall. How many pixels does it have in all?
19. 19.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 An image is 260 pixels wide and 20 pixels tall. How many pixels does it have in all?
21. 21.🟦 An image is 90 pixels wide and 80 pixels tall. How many pixels does it have in all?
22. 22.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
23. 23.🟦 You shrink a 740 × 140 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
25. 25.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
26. 26.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) a perfect square (d) taller than wide
27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
28. 28.🟦 An image is 360 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
29. 29.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
30. 30.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
32. 32.🟦 An image is 360 pixels wide and 220 pixels tall. How many pixels does it have in all?
33. 33.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
34. 34.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a font size (d) a sound
35. 35.🟦 An image is 300 pixels wide and 220 pixels tall. How many pixels does it have in all?
36. 36.🟦 You shrink a 160 × 480 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
39. 39.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
40. 40.🟦 An image is 200 pixels wide and 220 pixels tall. How many pixels does it have in all?

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