Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 651 · 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 type of paper (b) a sound (c) a font size (d) a tiny dot of colour
2. 2.🟦 You shrink a 660 × 720 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
4. 4.Which of these best fits 9:16? (a) a square post (b) an upright phone screen (c) an album cover (d) an old-style monitor
5. 5.🟦 An image is 170 pixels wide and 110 pixels tall. How many pixels does it have in all?
6. 6.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
7. 7.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 An image is 100 pixels wide and 60 pixels tall. How many pixels does it have in all?
9. 9.Which of these best fits 16:9? (a) a classic tablet screen (b) an upright phone screen (c) an album cover (d) a widescreen TV
10. 10.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
11. 11.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
12. 12.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
13. 13.🟦 A 4:3 video frame is 570 pixels tall. How many pixels wide is it?
14. 14.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
15. 15.🟦 You shrink a 220 × 360 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.Which of these best fits 9:16? (a) a classic tablet screen (b) a widescreen slide (c) a phone story clip (d) a landscape video
17. 17.🟦 An image is 300 pixels wide and 390 pixels tall. How many pixels does it have in all?
18. 18.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.Which of these best fits 4:3? (a) a square sticker (b) a phone story clip (c) a square post (d) an old-style monitor
20. 20.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 An image is 370 pixels wide and 200 pixels tall. How many pixels does it have in all?
22. 22.Which of these best fits 1:1? (a) a widescreen slide (b) an album cover (c) a tall phone video (d) a phone story clip
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
24. 24.Which of these best fits 1:1? (a) an older TV screen (b) a phone story clip (c) a square sticker (d) a widescreen slide
25. 25.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 You shrink an 800 × 200 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 You shrink a 440 × 140 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 You shrink a 360 × 380 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
30. 30.🟦 You shrink a 220 × 80 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 An image is 140 pixels wide and 180 pixels tall. How many pixels does it have in all?
32. 32.🟦 You shrink a 380 × 140 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.Which of these best fits 16:9? (a) a widescreen slide (b) an older TV screen (c) a classic tablet screen (d) a square post
34. 34.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
35. 35.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
36. 36.🟦 You shrink a 780 × 760 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
38. 38.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) exactly the same (d) more colourful
39. 39.🟦 You shrink a 560 × 220 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 An image is 370 pixels wide and 20 pixels tall. How many pixels does it have in all?

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