Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 143 · 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 an upright phone screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
2. 2.Which of these best fits 1:1? (a) a landscape video (b) an album cover (c) a laptop film screen (d) an upright phone screen
3. 3.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
5. 5.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
6. 6.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
7. 7.Which of these best fits 4:3? (a) a landscape video (b) a phone story clip (c) a laptop film screen (d) an older TV screen
8. 8.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
9. 9.🟦 You shrink a 700 × 380 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) sharper (d) louder
11. 11.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 You shrink a 700 × 520 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
14. 14.🟦 You shrink a 160 × 300 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
16. 16.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
17. 17.Which of these best fits 16:9? (a) a square sticker (b) an older TV screen (c) a widescreen slide (d) an old-style monitor
18. 18.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
20. 20.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
21. 21.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
22. 22.Which of these best fits 9:16? (a) a square profile picture (b) a phone story clip (c) a widescreen TV (d) a classic tablet screen
23. 23.🟦 An image is 400 pixels wide and 300 pixels tall. How many pixels does it have in all?
24. 24.Which of these best fits 16:9? (a) an old-style monitor (b) a square profile picture (c) an older TV screen (d) a landscape video
25. 25.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
27. 27.🟦 An image is 160 × 160 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
28. 28.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
29. 29.🟦 You shrink a 220 × 520 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) taller than wide (d) a perfect square
31. 31.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
32. 32.🟦 You shrink a 180 × 380 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
34. 34.🟦 You shrink a 720 × 560 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
36. 36.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
37. 37.🟦 An image is 60 pixels wide and 290 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 90 pixels wide and 330 pixels tall. How many pixels does it have in all?
39. 39.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
40. 40.🟦 You shrink a 400 × 80 pixel image to half its width and half its height. How many pixels does it have now?

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