Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 640 · 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.🟦 You shrink an 80 × 520 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 An image is 340 pixels wide and 350 pixels tall. How many pixels does it have in all?
3. 3.🟦 An image is 340 pixels wide and 50 pixels tall. How many pixels does it have in all?
4. 4.Which of these best fits 16:9? (a) an album cover (b) an old-style monitor (c) a widescreen slide (d) a square post
5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
6. 6.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
7. 7.🟦 You shrink a 240 × 640 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
9. 9.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 An image is 220 pixels wide and 180 pixels tall. How many pixels does it have in all?
11. 11.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
12. 12.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.Which of these best fits 9:16? (a) a square post (b) a widescreen slide (c) an old-style monitor (d) a phone story clip
14. 14.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
15. 15.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
16. 16.Which of these best fits 1:1? (a) a square profile picture (b) a widescreen TV (c) a tall phone video (d) a classic tablet screen
17. 17.Which of these best fits 9:16? (a) a widescreen slide (b) an upright phone screen (c) a square profile picture (d) a square sticker
18. 18.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.Which of these best fits 4:3? (a) a tall phone video (b) a classic tablet screen (c) a widescreen TV (d) a phone story clip
20. 20.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
21. 21.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
23. 23.🟦 You shrink a 620 × 180 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
25. 25.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) a perfect square (d) taller than wide
26. 26.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
27. 27.Which of these best fits 4:3? (a) an upright phone screen (b) an album cover (c) a widescreen slide (d) an older TV screen
28. 28.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
29. 29.Which of these best fits 1:1? (a) a tall phone video (b) a landscape video (c) an older TV screen (d) a square post
30. 30.🟦 An image is 120 pixels wide and 90 pixels tall. How many pixels does it have in all?
31. 31.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
32. 32.🟦 An image is 150 pixels wide and 60 pixels tall. How many pixels does it have in all?
33. 33.🟦 An image is 120 pixels wide and 20 pixels tall. How many pixels does it have in all?
34. 34.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
35. 35.🟦 You shrink a 780 × 180 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.Which of these best fits 1:1? (a) a phone story clip (b) an older TV screen (c) a landscape video (d) a square sticker
37. 37.🟦 An image is 190 pixels wide and 120 pixels tall. How many pixels does it have in all?
38. 38.🟦 You shrink a 660 × 660 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 You shrink a 760 × 420 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 An image is 320 pixels wide and 290 pixels tall. How many pixels does it have in all?

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