Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 93 · 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.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
2. 2.🟦 An image is 60 pixels wide and 40 pixels tall. How many pixels does it have in all?
3. 3.🟦 An image is 400 pixels wide and 320 pixels tall. How many pixels does it have in all?
4. 4.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
8. 8.🟦 An image is 140 pixels wide and 290 pixels tall. How many pixels does it have in all?
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
10. 10.🟦 An image is 170 pixels wide and 400 pixels tall. How many pixels does it have in all?
11. 11.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
12. 12.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) exactly the same (d) sharper
13. 13.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
14. 14.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
15. 15.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) taller than wide (d) round
16. 16.🟦 An image is 330 pixels wide and 290 pixels tall. How many pixels does it have in all?
17. 17.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
19. 19.🟦 An image is 230 pixels wide and 340 pixels tall. How many pixels does it have in all?
20. 20.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
21. 21.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
22. 22.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
23. 23.🟦 An image is 2080 × 1170 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 16:9? (a) a widescreen slide (b) a square profile picture (c) an upright phone screen (d) an album cover
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
26. 26.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
27. 27.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 An image is 70 pixels wide and 400 pixels tall. How many pixels does it have in all?
29. 29.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
30. 30.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
31. 31.🟦 An image is 230 pixels wide and 170 pixels tall. How many pixels does it have in all?
32. 32.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
33. 33.🟦 An image is 160 pixels wide and 110 pixels tall. How many pixels does it have in all?
34. 34.Which of these best fits 9:16? (a) a laptop film screen (b) a tall phone video (c) an older TV screen (d) a landscape video
35. 35.Which of these best fits 4:3? (a) an upright phone screen (b) a phone story clip (c) a classic tablet screen (d) a square post
36. 36.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
38. 38.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
39. 39.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
40. 40.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?

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