Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 342 · 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.🟦 A 4:3 video frame is 330 pixels tall. How many pixels wide is it?
2. 2.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) squashed or wide (d) sharper
3. 3.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
4. 4.Which of these best fits 4:3? (a) a widescreen slide (b) an upright phone screen (c) an album cover (d) an older TV screen
5. 5.Which of these best fits 9:16? (a) an older TV screen (b) a landscape video (c) a tall phone video (d) an album cover
6. 6.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
7. 7.Which of these best fits 1:1? (a) a landscape video (b) a widescreen TV (c) a phone story clip (d) an album cover
8. 8.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
9. 9.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 An image is 390 pixels wide and 270 pixels tall. How many pixels does it have in all?
11. 11.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
12. 12.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
14. 14.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
15. 15.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
16. 16.🟦 An image is 50 pixels wide and 40 pixels tall. How many pixels does it have in all?
17. 17.🟦 An image is 210 pixels wide and 290 pixels tall. How many pixels does it have in all?
18. 18.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
19. 19.Which of these best fits 16:9? (a) a square profile picture (b) an older TV screen (c) an upright phone screen (d) a landscape video
20. 20.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
21. 21.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
22. 22.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
23. 23.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
24. 24.Which of these best fits 9:16? (a) an old-style monitor (b) an upright phone screen (c) a widescreen slide (d) a widescreen TV
25. 25.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
27. 27.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
30. 30.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
31. 31.🟦 An image is 440 × 330 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
32. 32.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
33. 33.🟦 You shrink a 420 × 800 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
35. 35.🟦 You shrink a 380 × 740 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.Which of these best fits 4:3? (a) a square sticker (b) a square post (c) a square profile picture (d) an old-style monitor
37. 37.🟦 You shrink a 580 × 240 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 An image is 110 × 110 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
40. 40.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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