Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 930 · 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 of these best fits 16:9? (a) a classic tablet screen (b) an older TV screen (c) a tall phone video (d) a widescreen TV
2. 2.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
4. 4.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
5. 5.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
6. 6.🟦 An image is 370 pixels wide and 190 pixels tall. How many pixels does it have in all?
7. 7.🟦 You shrink a 520 × 80 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
9. 9.Which of these best fits 4:3? (a) an old-style monitor (b) a square post (c) a widescreen TV (d) an upright phone screen
10. 10.Which of these best fits 16:9? (a) a square sticker (b) a square post (c) a laptop film screen (d) an upright phone screen
11. 11.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
13. 13.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) more colourful (d) squashed or wide
14. 14.🟦 You shrink a 260 × 580 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
16. 16.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
17. 17.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
19. 19.Which of these best fits 1:1? (a) an upright phone screen (b) a widescreen TV (c) an album cover (d) a phone story clip
20. 20.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
22. 22.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
23. 23.🟦 An image is 90 pixels wide and 120 pixels tall. How many pixels does it have in all?
24. 24.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
26. 26.Which of these best fits 1:1? (a) a widescreen slide (b) a tall phone video (c) a square profile picture (d) an upright phone screen
27. 27.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
28. 28.🟦 You shrink a 340 × 100 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 9-inch-wide print?
30. 30.🟦 An image is 400 pixels wide and 300 pixels tall. How many pixels does it have in all?
31. 31.🟦 You shrink a 460 × 760 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
33. 33.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
35. 35.Which of these best fits 9:16? (a) a square sticker (b) a square post (c) a laptop film screen (d) a tall phone video
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
37. 37.Which of these best fits 1:1? (a) a phone story clip (b) a widescreen slide (c) a square sticker (d) a classic tablet screen
38. 38.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
39. 39.🟦 You shrink an 800 × 640 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.Which of these best fits 9:16? (a) a laptop film screen (b) a square sticker (c) a phone story clip (d) a square profile picture

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