Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 224 · 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.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
3. 3.Which of these best fits 16:9? (a) an older TV screen (b) a square sticker (c) a widescreen TV (d) an album cover
4. 4.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
5. 5.🟦 You shrink a 360 × 400 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 You shrink an 80 × 600 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
9. 9.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 An image is 70 pixels wide and 330 pixels tall. How many pixels does it have in all?
12. 12.Which of these best fits 4:3? (a) a square profile picture (b) a widescreen TV (c) a tall phone video (d) an old-style monitor
13. 13.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
15. 15.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) wider than it is tall (d) round
16. 16.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
17. 17.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
18. 18.Which of these best fits 9:16? (a) an older TV screen (b) an album cover (c) a square profile picture (d) a phone story clip
19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
20. 20.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
21. 21.Which of these best fits 4:3? (a) a phone story clip (b) an album cover (c) a classic tablet screen (d) a tall phone video
22. 22.🟦 An image is 370 pixels wide and 170 pixels tall. How many pixels does it have in all?
23. 23.Which of these best fits 16:9? (a) a square post (b) a phone story clip (c) an older TV screen (d) a laptop film screen
24. 24.🟦 You shrink an 80 × 140 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
28. 28.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
29. 29.🟦 An image is 190 pixels wide and 60 pixels tall. How many pixels does it have in all?
30. 30.Which of these best fits 1:1? (a) an upright phone screen (b) a laptop film screen (c) a square sticker (d) a widescreen slide
31. 31.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
32. 32.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
33. 33.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
34. 34.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
35. 35.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
36. 36.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
37. 37.🟦 An image is 40 pixels wide and 100 pixels tall. How many pixels does it have in all?
38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
39. 39.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
40. 40.Which of these best fits 16:9? (a) a landscape video (b) an upright phone screen (c) a square profile picture (d) a classic tablet screen

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