Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 807 · 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 120 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
2. 2.Which of these best fits 16:9? (a) an upright phone screen (b) an old-style monitor (c) a laptop film screen (d) a classic tablet screen
3. 3.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size
4. 4.🟦 You shrink a 540 × 260 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
6. 6.Which of these best fits 4:3? (a) an older TV screen (b) a phone story clip (c) an upright phone screen (d) a square post
7. 7.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
8. 8.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen TV (c) a landscape video (d) a square post
9. 9.🟦 You shrink a 740 × 180 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 You shrink a 60 × 220 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?
12. 12.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 An image is 230 pixels wide and 190 pixels tall. How many pixels does it have in all?
14. 14.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
15. 15.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
16. 16.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
18. 18.Which of these best fits 16:9? (a) a landscape video (b) an album cover (c) a classic tablet screen (d) an upright phone screen
19. 19.Which of these best fits 4:3? (a) a laptop film screen (b) a classic tablet screen (c) a square profile picture (d) an album cover
20. 20.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
21. 21.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.Which of these best fits 16:9? (a) a widescreen TV (b) a phone story clip (c) an older TV screen (d) an old-style monitor
24. 24.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 An image is 390 pixels wide and 240 pixels tall. How many pixels does it have in all?
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
27. 27.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
28. 28.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
29. 29.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) sharper (d) longer
30. 30.Which of these best fits 1:1? (a) an older TV screen (b) an album cover (c) a laptop film screen (d) a classic tablet screen
31. 31.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
32. 32.Which of these best fits 9:16? (a) a tall phone video (b) a widescreen slide (c) an album cover (d) an old-style monitor
33. 33.Which of these best fits 9:16? (a) a square profile picture (b) an album cover (c) a widescreen TV (d) an upright phone screen
34. 34.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
36. 36.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
37. 37.🟦 An image is 160 pixels wide and 340 pixels tall. How many pixels does it have in all?
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.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?

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