Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 890 · 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.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
2. 2.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
3. 3.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
5. 5.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
6. 6.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
7. 7.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
8. 8.🟦 An image is 600 × 400 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
9. 9.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
10. 10.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
11. 11.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
12. 12.Which of these best fits 4:3? (a) an upright phone screen (b) a widescreen slide (c) an old-style monitor (d) a landscape video
13. 13.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen slide (c) an old-style monitor (d) a square post
15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
16. 16.Which of these best fits 1:1? (a) a classic tablet screen (b) an upright phone screen (c) a laptop film screen (d) a square post
17. 17.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
18. 18.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
19. 19.🟦 You shrink a 500 × 760 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 An image is 100 pixels wide and 150 pixels tall. How many pixels does it have in all?
21. 21.🟦 An image is 340 pixels wide and 60 pixels tall. How many pixels does it have in all?
22. 22.🟦 You shrink a 660 × 200 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 You shrink a 160 × 440 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
25. 25.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
26. 26.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
28. 28.🟦 You shrink a 560 × 240 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
30. 30.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
31. 31.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
32. 32.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
33. 33.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 You shrink a 260 × 200 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 280 pixels wide and 100 pixels tall. How many pixels does it have in all?
36. 36.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
37. 37.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
38. 38.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen slide (c) a square sticker (d) an older TV screen
39. 39.Which of these best fits 9:16? (a) an upright phone screen (b) an old-style monitor (c) a square post (d) a square sticker
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?

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