Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 473 · 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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
2. 2.🟦 You shrink a 660 × 620 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
4. 4.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
5. 5.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
6. 6.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
8. 8.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
9. 9.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
10. 10.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
11. 11.Which of these best fits 16:9? (a) an upright phone screen (b) a laptop film screen (c) an older TV screen (d) a square post
12. 12.🟦 An image is 120 pixels wide and 160 pixels tall. How many pixels does it have in all?
13. 13.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
14. 14.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
15. 15.Which of these best fits 9:16? (a) a square profile picture (b) an upright phone screen (c) an album cover (d) a square sticker
16. 16.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
17. 17.Which of these best fits 1:1? (a) an older TV screen (b) a widescreen slide (c) a widescreen TV (d) a square sticker
18. 18.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
19. 19.Which of these best fits 9:16? (a) an old-style monitor (b) a tall phone video (c) an older TV screen (d) a square profile picture
20. 20.Which of these best fits 4:3? (a) a square sticker (b) a square profile picture (c) an older TV screen (d) an upright phone screen
21. 21.🟦 An image is 110 pixels wide and 150 pixels tall. How many pixels does it have in all?
22. 22.Which of these best fits 16:9? (a) a tall phone video (b) a classic tablet screen (c) a square sticker (d) a widescreen TV
23. 23.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
24. 24.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
25. 25.Which of these best fits 16:9? (a) an old-style monitor (b) a landscape video (c) an album cover (d) a square post
26. 26.🟦 An image is 50 pixels wide and 70 pixels tall. How many pixels does it have in all?
27. 27.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
28. 28.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
30. 30.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
31. 31.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
32. 32.🟦 An image is 210 pixels wide and 90 pixels tall. How many pixels does it have in all?
33. 33.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
34. 34.🟦 An image is 190 pixels wide and 320 pixels tall. How many pixels does it have in all?
35. 35.Which of these best fits 1:1? (a) an old-style monitor (b) a widescreen TV (c) a square post (d) a tall phone video
36. 36.🟦 You shrink a 140 × 400 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
38. 38.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
39. 39.🟦 An image is 350 pixels wide and 130 pixels tall. How many pixels does it have in all?
40. 40.🟦 An image is 390 pixels wide and 220 pixels tall. How many pixels does it have in all?

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