Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 801 · 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 9:16? (a) a tall phone video (b) a widescreen TV (c) a square profile picture (d) an old-style monitor
2. 2.Which of these best fits 9:16? (a) an upright phone screen (b) a widescreen slide (c) an older TV screen (d) a square profile picture
3. 3.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) more colourful (d) squashed or wide
4. 4.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
5. 5.🟦 An image is 300 pixels wide and 120 pixels tall. How many pixels does it have in all?
6. 6.🟦 An image is 270 pixels wide and 100 pixels tall. How many pixels does it have in all?
7. 7.🟦 An image is 20 pixels wide and 70 pixels tall. How many pixels does it have in all?
8. 8.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
9. 9.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
10. 10.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
11. 11.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
12. 12.Which of these best fits 4:3? (a) a tall phone video (b) an old-style monitor (c) a square sticker (d) a widescreen TV
13. 13.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 You shrink a 700 × 240 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.Which of these best fits 4:3? (a) a classic tablet screen (b) a laptop film screen (c) an upright phone screen (d) a phone story clip
16. 16.🟦 You shrink a 440 × 120 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
19. 19.🟦 An image is 370 pixels wide and 140 pixels tall. How many pixels does it have in all?
20. 20.🟦 You shrink a 40 × 320 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
22. 22.Which of these best fits 16:9? (a) an album cover (b) a classic tablet screen (c) a widescreen TV (d) a square post
23. 23.🟦 You shrink a 140 × 280 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
26. 26.🟦 You shrink a 260 × 440 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 An image is 20 pixels wide and 80 pixels tall. How many pixels does it have in all?
28. 28.Which of these best fits 4:3? (a) a laptop film screen (b) an older TV screen (c) an upright phone screen (d) a tall phone video
29. 29.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
31. 31.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
32. 32.🟦 An image is 60 pixels wide and 320 pixels tall. How many pixels does it have in all?
33. 33.🟦 You shrink a 240 × 500 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 An image is 360 pixels wide and 130 pixels tall. How many pixels does it have in all?
35. 35.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
36. 36.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
37. 37.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
38. 38.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
39. 39.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour

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