Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 548 · 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 160 × 180 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
3. 3.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.Which of these best fits 4:3? (a) a widescreen TV (b) an album cover (c) a classic tablet screen (d) a square post
5. 5.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
6. 6.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
7. 7.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
8. 8.🟦 An image is 320 pixels wide and 180 pixels tall. How many pixels does it have in all?
9. 9.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
10. 10.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
11. 11.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
12. 12.Which of these best fits 9:16? (a) a landscape video (b) a tall phone video (c) an old-style monitor (d) a widescreen TV
13. 13.🟦 You shrink a 780 × 480 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
15. 15.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
16. 16.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
17. 17.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.Which of these best fits 16:9? (a) a square post (b) a square profile picture (c) a landscape video (d) an old-style monitor
19. 19.Which of these best fits 16:9? (a) a classic tablet screen (b) a square post (c) a widescreen TV (d) a phone story clip
20. 20.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
21. 21.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
23. 23.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
24. 24.🟦 You shrink a 60 × 380 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 An image is 40 pixels wide and 360 pixels tall. How many pixels does it have in all?
26. 26.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
28. 28.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
30. 30.Which of these best fits 1:1? (a) an upright phone screen (b) a widescreen slide (c) a square profile picture (d) an old-style monitor
31. 31.🟦 An image is 330 pixels wide and 20 pixels tall. How many pixels does it have in all?
32. 32.🟦 An image is 170 pixels wide and 230 pixels tall. How many pixels does it have in all?
33. 33.Which of these best fits 9:16? (a) a widescreen TV (b) an album cover (c) a square sticker (d) a phone story clip
34. 34.🟦 An image is 60 pixels wide and 20 pixels tall. How many pixels does it have in all?
35. 35.Which of these best fits 9:16? (a) an album cover (b) a square post (c) a classic tablet screen (d) an upright phone screen
36. 36.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
37. 37.🟦 You shrink a 40 × 440 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
40. 40.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3

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