Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 436 · 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.🟦 An image is 160 pixels wide and 240 pixels tall. How many pixels does it have in all?
2. 2.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
3. 3.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
5. 5.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
6. 6.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
7. 7.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
8. 8.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) taller than wide (d) a perfect square
9. 9.🟦 You shrink a 100 × 320 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
11. 11.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
12. 12.🟦 You shrink a 240 × 520 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 You shrink an 800 × 60 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
15. 15.Which of these best fits 1:1? (a) an album cover (b) an upright phone screen (c) an old-style monitor (d) an older TV screen
16. 16.🟦 An image is 280 pixels wide and 210 pixels tall. How many pixels does it have in all?
17. 17.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
18. 18.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
19. 19.Which of these best fits 4:3? (a) an upright phone screen (b) a landscape video (c) a classic tablet screen (d) a square sticker
20. 20.🟦 An image is 150 pixels wide and 250 pixels tall. How many pixels does it have in all?
21. 21.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
23. 23.Which of these best fits 4:3? (a) an upright phone screen (b) an album cover (c) an old-style monitor (d) a widescreen TV
24. 24.Which of these best fits 9:16? (a) a laptop film screen (b) an older TV screen (c) a tall phone video (d) a landscape video
25. 25.🟦 Which aspect ratio best fits a tall phone video? (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.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
28. 28.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen TV (c) a square profile picture (d) an older TV screen
30. 30.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
31. 31.🟦 You shrink a 400 × 140 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
33. 33.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
34. 34.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
35. 35.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
36. 36.🟦 You shrink a 240 × 760 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 150 pixels wide and 280 pixels tall. How many pixels does it have in all?
38. 38.Which of these best fits 4:3? (a) a widescreen TV (b) a landscape video (c) a square post (d) an older TV screen
39. 39.🟦 An image is 250 pixels wide and 220 pixels tall. How many pixels does it have in all?
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?

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