Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 975 · 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 classic tablet screen (b) a tall phone video (c) a square profile picture (d) an old-style monitor
2. 2.🟦 An image is 50 pixels wide and 120 pixels tall. How many pixels does it have in all?
3. 3.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
4. 4.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
5. 5.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
7. 7.🟦 You shrink a 60 × 560 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
9. 9.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 You shrink a 440 × 480 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 You shrink a 180 × 680 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
14. 14.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 An image is 360 pixels wide and 220 pixels tall. How many pixels does it have in all?
16. 16.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
17. 17.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
18. 18.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a type of paper (d) a font size
19. 19.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
20. 20.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
23. 23.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
25. 25.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
28. 28.🟦 You shrink a 740 × 540 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
30. 30.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.Which of these best fits 4:3? (a) a classic tablet screen (b) a laptop film screen (c) a tall phone video (d) a square sticker
32. 32.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
33. 33.🟦 An image is 250 pixels wide and 80 pixels tall. How many pixels does it have in all?
34. 34.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
35. 35.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
36. 36.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
38. 38.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3

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