Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 902 · 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 aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
2. 2.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 An image is 390 pixels wide and 180 pixels tall. How many pixels does it have in all?
4. 4.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
5. 5.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) taller than wide (d) a perfect square
6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
7. 7.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
8. 8.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
9. 9.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
11. 11.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
12. 12.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.Which of these best fits 9:16? (a) a square sticker (b) a tall phone video (c) a classic tablet screen (d) an older TV screen
14. 14.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
15. 15.Which of these best fits 16:9? (a) a phone story clip (b) a landscape video (c) an old-style monitor (d) a classic tablet screen
16. 16.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
18. 18.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
20. 20.🟦 You shrink a 300 × 140 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
23. 23.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
25. 25.🟦 You shrink a 700 × 680 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.Which of these best fits 16:9? (a) an album cover (b) an upright phone screen (c) an old-style monitor (d) a laptop film screen
28. 28.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
29. 29.🟦 An image is 200 × 200 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
30. 30.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
31. 31.🟦 An image is 340 pixels wide and 330 pixels tall. How many pixels does it have in all?
32. 32.🟦 An image is 210 pixels wide and 60 pixels tall. How many pixels does it have in all?
33. 33.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
35. 35.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
36. 36.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
37. 37.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
38. 38.🟦 An image is 270 pixels wide and 180 pixels tall. How many pixels does it have in all?
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
40. 40.🟦 You shrink a 240 × 740 pixel image to half its width and half its height. How many pixels does it have now?

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