Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 797 · 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 400 × 300 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
2. 2.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
3. 3.🟦 An image is 90 pixels wide and 310 pixels tall. How many pixels does it have in all?
4. 4.🟦 You shrink a 700 × 700 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.Which of these best fits 16:9? (a) a landscape video (b) an album cover (c) a phone story clip (d) a square sticker
6. 6.🟦 An image is 40 pixels wide and 300 pixels tall. How many pixels does it have in all?
7. 7.Which of these best fits 1:1? (a) a tall phone video (b) a classic tablet screen (c) a square post (d) an old-style monitor
8. 8.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
9. 9.Which of these best fits 9:16? (a) a widescreen TV (b) a tall phone video (c) a laptop film screen (d) a square profile picture
10. 10.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
11. 11.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
12. 12.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
13. 13.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
14. 14.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
15. 15.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
17. 17.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
18. 18.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
19. 19.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
20. 20.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
21. 21.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 You shrink a 600 × 680 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
27. 27.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 An image is 310 pixels wide and 160 pixels tall. How many pixels does it have in all?
29. 29.🟦 You shrink a 160 × 620 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
31. 31.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
32. 32.Which of these best fits 9:16? (a) a widescreen TV (b) a phone story clip (c) a square sticker (d) an album cover
33. 33.🟦 You shrink a 560 × 120 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 You shrink a 440 × 700 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 You shrink a 240 × 540 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
37. 37.🟦 You shrink a 160 × 80 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.Which of these best fits 4:3? (a) a square profile picture (b) a widescreen slide (c) a classic tablet screen (d) a widescreen TV
39. 39.🟦 You shrink a 360 × 260 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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