Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 516 · 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 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 An image is 140 pixels wide and 170 pixels tall. How many pixels does it have in all?
3. 3.Which of these best fits 16:9? (a) a classic tablet screen (b) a tall phone video (c) a widescreen slide (d) an upright phone screen
4. 4.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
5. 5.Which of these best fits 4:3? (a) a phone story clip (b) an upright phone screen (c) a widescreen TV (d) an older TV screen
6. 6.🟦 An image is 120 pixels wide and 60 pixels tall. How many pixels does it have in all?
7. 7.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
9. 9.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
10. 10.🟦 An image is 30 pixels wide and 90 pixels tall. How many pixels does it have in all?
11. 11.🟦 A 16:9 video frame is 2080 pixels wide. How many pixels tall is it?
12. 12.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
13. 13.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
14. 14.Which of these best fits 9:16? (a) a phone story clip (b) a classic tablet screen (c) a widescreen TV (d) a landscape video
15. 15.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
16. 16.🟦 You shrink a 600 × 80 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 You shrink a 120 × 700 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
19. 19.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
20. 20.🟦 An image is 330 pixels wide and 270 pixels tall. How many pixels does it have in all?
21. 21.🟦 An image is 340 pixels wide and 400 pixels tall. How many pixels does it have in all?
22. 22.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
23. 23.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
24. 24.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
25. 25.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
26. 26.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
27. 27.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
28. 28.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
29. 29.🟦 You shrink a 100 × 720 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 You shrink a 760 × 560 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 An image is 360 pixels wide and 340 pixels tall. How many pixels does it have in all?
33. 33.🟦 You shrink a 660 × 40 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
35. 35.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
36. 36.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
38. 38.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 An image is 30 pixels wide and 170 pixels tall. How many pixels does it have in all?

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