Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 23 · 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.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
2. 2.🟦 An image is 360 pixels wide and 180 pixels tall. How many pixels does it have in all?
3. 3.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
4. 4.🟦 You shrink a 620 × 380 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
6. 6.Which of these best fits 1:1? (a) an old-style monitor (b) a widescreen TV (c) a landscape video (d) a square sticker
7. 7.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
8. 8.🟦 An image is 290 pixels wide and 70 pixels tall. How many pixels does it have in all?
9. 9.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
10. 10.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
11. 11.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
12. 12.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
13. 13.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
14. 14.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
16. 16.Which of these best fits 9:16? (a) an album cover (b) a square post (c) a phone story clip (d) a widescreen slide
17. 17.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
18. 18.🟦 An image is 350 pixels wide and 20 pixels tall. How many pixels does it have in all?
19. 19.Which of these best fits 4:3? (a) an old-style monitor (b) a tall phone video (c) an upright phone screen (d) a widescreen slide
20. 20.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
22. 22.🟦 An image is 300 pixels wide and 90 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
24. 24.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
25. 25.Which of these best fits 9:16? (a) an album cover (b) a landscape video (c) a tall phone video (d) a laptop film screen
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
27. 27.Which of these best fits 9:16? (a) a landscape video (b) a widescreen slide (c) an upright phone screen (d) an older TV screen
28. 28.Which of these best fits 4:3? (a) an album cover (b) a landscape video (c) a square post (d) an older TV screen
29. 29.🟦 You shrink a 700 × 380 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 You shrink a 640 × 800 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.Which of these best fits 16:9? (a) a laptop film screen (b) an upright phone screen (c) a phone story clip (d) a square post
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
34. 34.Which of these best fits 1:1? (a) a laptop film screen (b) an old-style monitor (c) a phone story clip (d) an album cover
35. 35.Which of these best fits 1:1? (a) a widescreen TV (b) a tall phone video (c) a square post (d) a widescreen slide
36. 36.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
37. 37.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) a perfect square (d) taller than wide
38. 38.🟦 An image is 270 pixels wide and 50 pixels tall. How many pixels does it have in all?
39. 39.🟦 An image is 390 pixels wide and 230 pixels tall. How many pixels does it have in all?
40. 40.🟦 An image is 360 × 240 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9

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