Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 410 · 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.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
2. 2.Which of these best fits 16:9? (a) a phone story clip (b) a square profile picture (c) an upright phone screen (d) a widescreen TV
3. 3.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 An image is 110 pixels wide and 330 pixels tall. How many pixels does it have in all?
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
6. 6.🟦 You shrink a 160 × 420 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
8. 8.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
10. 10.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 You shrink an 80 × 140 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
13. 13.🟦 An image is 40 pixels wide and 210 pixels tall. How many pixels does it have in all?
14. 14.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
15. 15.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) wider than it is tall (d) a perfect square
16. 16.Which of these best fits 16:9? (a) an album cover (b) an old-style monitor (c) a tall phone video (d) a landscape video
17. 17.🟦 An image is 360 × 240 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
18. 18.Which of these best fits 16:9? (a) an upright phone screen (b) an album cover (c) an older TV screen (d) a widescreen slide
19. 19.🟦 You shrink a 740 × 100 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 An image is 160 pixels wide and 170 pixels tall. How many pixels does it have in all?
21. 21.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.Which of these best fits 4:3? (a) a classic tablet screen (b) an album cover (c) a widescreen slide (d) a tall phone video
24. 24.Which of these best fits 16:9? (a) an album cover (b) a phone story clip (c) a laptop film screen (d) a square post
25. 25.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
26. 26.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
27. 27.Which of these best fits 4:3? (a) a phone story clip (b) a square sticker (c) a landscape video (d) an older TV screen
28. 28.🟦 You shrink a 280 × 640 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
30. 30.🟦 You shrink a 560 × 340 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
32. 32.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
33. 33.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
34. 34.🟦 An image is 150 pixels wide and 270 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
36. 36.🟦 You shrink a 420 × 760 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
38. 38.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
39. 39.🟦 An image is 110 pixels wide and 270 pixels tall. How many pixels does it have in all?
40. 40.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?

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