Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 319 · 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 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
3. 3.🟦 An image is 280 pixels wide and 300 pixels tall. How many pixels does it have in all?
4. 4.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
7. 7.Which of these best fits 9:16? (a) a landscape video (b) an old-style monitor (c) an upright phone screen (d) a widescreen TV
8. 8.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
9. 9.🟦 You shrink a 380 × 40 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 An image is 120 pixels wide and 200 pixels tall. How many pixels does it have in all?
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
12. 12.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
13. 13.🟦 An image is 400 pixels wide and 220 pixels tall. How many pixels does it have in all?
14. 14.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
15. 15.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
16. 16.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
17. 17.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
18. 18.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
19. 19.🟦 An image is 350 pixels wide and 350 pixels tall. How many pixels does it have in all?
20. 20.🟦 You shrink a 160 × 60 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 An image is 40 pixels wide and 220 pixels tall. How many pixels does it have in all?
22. 22.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
23. 23.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
24. 24.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
25. 25.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
26. 26.🟦 An image is 100 pixels wide and 110 pixels tall. How many pixels does it have in all?
27. 27.Which of these best fits 16:9? (a) an upright phone screen (b) a widescreen TV (c) a phone story clip (d) a tall phone video
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
29. 29.🟦 You shrink a 640 × 640 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 An image is 170 pixels wide and 300 pixels tall. How many pixels does it have in all?
31. 31.Which of these best fits 1:1? (a) an older TV screen (b) a square profile picture (c) an upright phone screen (d) a widescreen TV
32. 32.Which of these best fits 16:9? (a) an older TV screen (b) a square sticker (c) a laptop film screen (d) a classic tablet screen
33. 33.Which of these best fits 4:3? (a) an album cover (b) a square post (c) an older TV screen (d) a square profile picture
34. 34.🟦 You shrink a 320 × 300 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
36. 36.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
37. 37.🟦 An image is 190 pixels wide and 210 pixels tall. How many pixels does it have in all?
38. 38.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
39. 39.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer

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