Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 14 · 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 1:1? (a) an older TV screen (b) a classic tablet screen (c) an upright phone screen (d) a square post
2. 2.🟦 You shrink a 540 × 40 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
4. 4.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
6. 6.Which of these best fits 16:9? (a) an older TV screen (b) a laptop film screen (c) an old-style monitor (d) a phone story clip
7. 7.🟦 An image is 330 pixels wide and 180 pixels tall. How many pixels does it have in all?
8. 8.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
9. 9.🟦 You shrink a 60 × 640 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
11. 11.🟦 You shrink a 140 × 600 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
13. 13.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
14. 14.🟦 An image is 270 pixels wide and 320 pixels tall. How many pixels does it have in all?
15. 15.🟦 You shrink a 740 × 360 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 A photo is 1000 × 2000 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 a 3-inch-wide print?
18. 18.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
19. 19.Which of these best fits 4:3? (a) a classic tablet screen (b) a square post (c) a phone story clip (d) an album cover
20. 20.🟦 An image is 390 pixels wide and 30 pixels tall. How many pixels does it have in all?
21. 21.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
22. 22.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the font (d) the file name
23. 23.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
24. 24.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
26. 26.🟦 You shrink a 360 × 760 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
28. 28.Which of these best fits 9:16? (a) a square profile picture (b) a tall phone video (c) a widescreen TV (d) a classic tablet screen
29. 29.Which of these best fits 1:1? (a) a widescreen slide (b) an upright phone screen (c) a tall phone video (d) an album cover
30. 30.🟦 An image is 260 pixels wide and 240 pixels tall. How many pixels does it have in all?
31. 31.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
32. 32.Which of these best fits 1:1? (a) an upright phone screen (b) a tall phone video (c) a landscape video (d) a square profile picture
33. 33.🟦 An image is 90 pixels wide and 360 pixels tall. How many pixels does it have in all?
34. 34.🟦 You shrink a 140 × 800 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
36. 36.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
37. 37.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
39. 39.🟦 You shrink a 380 × 140 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.Which of these best fits 4:3? (a) a landscape video (b) a widescreen TV (c) an old-style monitor (d) a laptop film screen

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