Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 584 · 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 laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
2. 2.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
3. 3.🟦 An image is 230 pixels wide and 20 pixels tall. How many pixels does it have in all?
4. 4.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
5. 5.🟦 An image is 140 pixels wide and 340 pixels tall. How many pixels does it have in all?
6. 6.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
7. 7.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
8. 8.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a sound (d) a font size
9. 9.Which of these best fits 9:16? (a) a widescreen TV (b) a tall phone video (c) an older TV screen (d) an album cover
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
11. 11.Which of these best fits 9:16? (a) a phone story clip (b) a landscape video (c) a square profile picture (d) a laptop film screen
12. 12.🟦 You shrink a 600 × 180 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
15. 15.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
16. 16.🟦 You shrink a 760 × 780 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the file name (d) the paper colour
18. 18.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
19. 19.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
20. 20.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
22. 22.Which of these best fits 1:1? (a) a widescreen TV (b) a phone story clip (c) an album cover (d) an older TV screen
23. 23.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
25. 25.Which of these best fits 9:16? (a) a landscape video (b) an upright phone screen (c) a widescreen TV (d) a square profile picture
26. 26.Which of these best fits 1:1? (a) an older TV screen (b) a square sticker (c) a laptop film screen (d) a widescreen slide
27. 27.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
30. 30.Which of these best fits 1:1? (a) a phone story clip (b) a square profile picture (c) a widescreen TV (d) an upright phone screen
31. 31.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
32. 32.🟦 An image is 120 pixels wide and 30 pixels tall. How many pixels does it have in all?
33. 33.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
34. 34.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
35. 35.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) wider than it is tall (d) taller than wide
36. 36.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
38. 38.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
39. 39.🟦 You shrink a 540 × 560 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 An image is 110 pixels wide and 70 pixels tall. How many pixels does it have in all?

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