Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 870 · 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.🟦 You shrink a 520 × 760 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
3. 3.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
4. 4.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
5. 5.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
6. 6.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) squashed or wide (d) more colourful
7. 7.Which of these best fits 4:3? (a) an album cover (b) a square sticker (c) an older TV screen (d) a widescreen slide
8. 8.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
9. 9.🟦 An image is 110 pixels wide and 120 pixels tall. How many pixels does it have in all?
10. 10.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
14. 14.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
15. 15.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
16. 16.Which of these best fits 16:9? (a) an old-style monitor (b) a landscape video (c) a classic tablet screen (d) a square post
17. 17.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
19. 19.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 An image is 130 pixels wide and 130 pixels tall. How many pixels does it have in all?
21. 21.🟦 You shrink a 360 × 100 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 An image is 400 pixels wide and 160 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 360 pixels wide and 330 pixels tall. How many pixels does it have in all?
24. 24.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
25. 25.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
26. 26.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
28. 28.🟦 You shrink a 640 × 420 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
30. 30.🟦 You shrink a 160 × 320 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
32. 32.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a sound (d) a font size
33. 33.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
34. 34.🟦 An image is 220 pixels wide and 280 pixels tall. How many pixels does it have in all?
35. 35.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
36. 36.🟦 You shrink a 740 × 200 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 170 pixels wide and 280 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 120 pixels wide and 40 pixels tall. How many pixels does it have in all?
39. 39.🟦 You shrink a 340 × 580 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 You shrink a 780 × 680 pixel image to half its width and half its height. How many pixels does it have now?

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