Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 470 · 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 16:9 video frame is 2080 pixels wide. How many pixels tall is it?
2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
3. 3.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
5. 5.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
6. 6.Which of these best fits 1:1? (a) a widescreen TV (b) an old-style monitor (c) a laptop film screen (d) an album cover
7. 7.🟦 An image is 230 pixels wide and 30 pixels tall. How many pixels does it have in all?
8. 8.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
9. 9.🟦 An image is 150 pixels wide and 360 pixels tall. How many pixels does it have in all?
10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
11. 11.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
12. 12.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
13. 13.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
14. 14.🟦 You shrink a 660 × 320 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
16. 16.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
17. 17.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 You shrink a 520 × 500 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 An image is 150 pixels wide and 40 pixels tall. How many pixels does it have in all?
21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
22. 22.🟦 You shrink a 140 × 680 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) round (d) taller than wide
24. 24.Which of these best fits 1:1? (a) an older TV screen (b) a widescreen TV (c) a square sticker (d) a landscape video
25. 25.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
26. 26.Which of these best fits 9:16? (a) an older TV screen (b) a widescreen TV (c) a phone story clip (d) a laptop film screen
27. 27.🟦 An image is 360 pixels wide and 130 pixels tall. How many pixels does it have in all?
28. 28.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
30. 30.🟦 An image is 240 pixels wide and 230 pixels tall. How many pixels does it have in all?
31. 31.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen slide (c) a landscape video (d) a square profile picture
32. 32.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
33. 33.Which of these best fits 9:16? (a) a tall phone video (b) a landscape video (c) a square profile picture (d) a widescreen TV
34. 34.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
35. 35.🟦 An image is 400 pixels wide and 340 pixels tall. How many pixels does it have in all?
36. 36.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
37. 37.🟦 A 16:9 video frame is 1800 pixels tall. How many pixels wide is it?
38. 38.🟦 An image is 180 pixels wide and 220 pixels tall. How many pixels does it have in all?
39. 39.🟦 An image is 270 pixels wide and 60 pixels tall. How many pixels does it have in all?
40. 40.Which of these best fits 16:9? (a) a laptop film screen (b) a square post (c) a tall phone video (d) an old-style monitor

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