Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 583 · 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.Which of these best fits 16:9? (a) an older TV screen (b) a classic tablet screen (c) a laptop film screen (d) a square profile picture
2. 2.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 An image is 320 pixels wide and 370 pixels tall. How many pixels does it have in all?
4. 4.🟦 You shrink an 80 × 680 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
6. 6.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
7. 7.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
8. 8.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
9. 9.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.Which of these best fits 9:16? (a) a tall phone video (b) a square profile picture (c) an old-style monitor (d) a square post
11. 11.🟦 You shrink an 80 × 460 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
13. 13.🟦 You shrink a 260 × 280 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
15. 15.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
16. 16.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
17. 17.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 An image is 40 pixels wide and 80 pixels tall. How many pixels does it have in all?
19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
20. 20.Which of these best fits 1:1? (a) a tall phone video (b) a classic tablet screen (c) an upright phone screen (d) a square profile picture
21. 21.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
22. 22.Which of these best fits 16:9? (a) an upright phone screen (b) a tall phone video (c) a square profile picture (d) a widescreen TV
23. 23.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
24. 24.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
25. 25.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
26. 26.Which of these best fits 4:3? (a) a tall phone video (b) a classic tablet screen (c) a widescreen TV (d) a widescreen slide
27. 27.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
29. 29.Which of these best fits 16:9? (a) an album cover (b) a landscape video (c) a tall phone video (d) an upright phone screen
30. 30.🟦 You shrink a 160 × 200 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
33. 33.Which of these best fits 9:16? (a) a laptop film screen (b) an album cover (c) an upright phone screen (d) a landscape video
34. 34.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
35. 35.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
36. 36.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
37. 37.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
38. 38.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
40. 40.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16

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