Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 950 · 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 9:16? (a) a phone story clip (b) a laptop film screen (c) a square post (d) an old-style monitor
2. 2.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
3. 3.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
4. 4.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the file name (d) the number of pixels
5. 5.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
6. 6.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
7. 7.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
8. 8.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
9. 9.Which of these best fits 1:1? (a) a landscape video (b) a classic tablet screen (c) an older TV screen (d) a square profile picture
10. 10.Which of these best fits 4:3? (a) a square profile picture (b) a widescreen TV (c) a tall phone video (d) an old-style monitor
11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
12. 12.Which of these best fits 1:1? (a) a tall phone video (b) a square sticker (c) a laptop film screen (d) a widescreen slide
13. 13.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
15. 15.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
16. 16.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
17. 17.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
18. 18.🟦 You shrink a 740 × 260 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
20. 20.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
21. 21.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
22. 22.Which of these best fits 16:9? (a) a laptop film screen (b) a square post (c) an upright phone screen (d) a square profile picture
23. 23.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
24. 24.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) blocky (pixelated) (d) louder
25. 25.🟦 You shrink a 360 × 180 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.Which of these best fits 16:9? (a) a widescreen slide (b) an older TV screen (c) a tall phone video (d) an old-style monitor
27. 27.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
28. 28.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
29. 29.🟦 You shrink a 700 × 160 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 An image is 40 pixels wide and 280 pixels tall. How many pixels does it have in all?
31. 31.🟦 An image is 350 pixels wide and 190 pixels tall. How many pixels does it have in all?
32. 32.Which of these best fits 1:1? (a) a square post (b) a classic tablet screen (c) an old-style monitor (d) an older TV screen
33. 33.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 You shrink a 140 × 620 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
38. 38.Which of these best fits 16:9? (a) an album cover (b) a widescreen TV (c) a square sticker (d) a tall phone video
39. 39.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
40. 40.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?

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