Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 192 · 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.🟦 An image is 250 pixels wide and 30 pixels tall. How many pixels does it have in all?
2. 2.Which of these best fits 16:9? (a) a tall phone video (b) a square sticker (c) a phone story clip (d) a widescreen TV
3. 3.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
4. 4.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
6. 6.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
7. 7.🟦 You shrink a 420 × 260 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
9. 9.🟦 You shrink a 660 × 700 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
12. 12.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
15. 15.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
16. 16.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
17. 17.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 You shrink a 240 × 80 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
21. 21.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
22. 22.🟦 You shrink a 580 × 80 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
25. 25.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
26. 26.🟦 An image is 260 pixels wide and 80 pixels tall. How many pixels does it have in all?
27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
28. 28.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 An image is 150 pixels wide and 100 pixels tall. How many pixels does it have in all?
30. 30.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
32. 32.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
33. 33.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 An image is 330 pixels wide and 370 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 160 pixels wide and 150 pixels tall. How many pixels does it have in all?
36. 36.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
38. 38.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) a perfect square (d) round
40. 40.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3

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