Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 874 · 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 4:3? (a) a square profile picture (b) an old-style monitor (c) a landscape video (d) a laptop film screen
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
3. 3.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the file name (d) the paper colour
4. 4.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) taller than wide (d) round
5. 5.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
7. 7.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
8. 8.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
9. 9.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
10. 10.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
11. 11.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
13. 13.Which of these best fits 16:9? (a) an album cover (b) an old-style monitor (c) a landscape video (d) an upright phone screen
14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
15. 15.🟦 You shrink a 40 × 320 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
18. 18.Which of these best fits 9:16? (a) a widescreen slide (b) a square post (c) a landscape video (d) an upright phone screen
19. 19.Which of these best fits 1:1? (a) a widescreen slide (b) a square sticker (c) a landscape video (d) an upright phone screen
20. 20.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
21. 21.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
22. 22.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
23. 23.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
24. 24.🟦 You shrink a 280 × 420 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
26. 26.🟦 An image is 150 pixels wide and 340 pixels tall. How many pixels does it have in all?
27. 27.🟦 An image is 260 pixels wide and 340 pixels tall. How many pixels does it have in all?
28. 28.🟦 An image is 220 pixels wide and 320 pixels tall. How many pixels does it have in all?
29. 29.🟦 You shrink a 600 × 480 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 An image is 350 pixels wide and 360 pixels tall. How many pixels does it have in all?
31. 31.Which of these best fits 4:3? (a) an album cover (b) a laptop film screen (c) an older TV screen (d) a tall phone video
32. 32.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
33. 33.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
34. 34.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
35. 35.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen TV (c) a phone story clip (d) a square profile picture
36. 36.🟦 You shrink a 600 × 540 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 920 × 690 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
38. 38.🟦 An image is 180 pixels wide and 380 pixels tall. How many pixels does it have in all?
39. 39.🟦 You shrink a 40 × 460 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9

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