Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 329 · 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 of these best fits 16:9? (a) an older TV screen (b) a square post (c) an old-style monitor (d) a landscape video
2. 2.Which of these best fits 4:3? (a) a widescreen TV (b) an old-style monitor (c) a phone story clip (d) a square sticker
3. 3.🟦 An image is 260 pixels wide and 380 pixels tall. How many pixels does it have in all?
4. 4.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
5. 5.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
6. 6.🟦 You shrink a 660 × 300 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
9. 9.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
11. 11.🟦 You shrink a 100 × 80 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen slide (c) a widescreen TV (d) a tall phone video
13. 13.🟦 You shrink an 800 × 580 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.Which of these best fits 1:1? (a) a classic tablet screen (b) an upright phone screen (c) a tall phone video (d) a square post
15. 15.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
16. 16.🟦 An image is 220 pixels wide and 330 pixels tall. How many pixels does it have in all?
17. 17.🟦 An image is 370 pixels wide and 140 pixels tall. How many pixels does it have in all?
18. 18.🟦 An image is 290 pixels wide and 370 pixels tall. How many pixels does it have in all?
19. 19.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
20. 20.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) sharper (d) louder
21. 21.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
22. 22.Which of these best fits 9:16? (a) an album cover (b) an upright phone screen (c) a square profile picture (d) an old-style monitor
23. 23.🟦 An image is 270 pixels wide and 150 pixels tall. How many pixels does it have in all?
24. 24.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
25. 25.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
27. 27.🟦 You shrink a 460 × 360 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
29. 29.🟦 An image is 90 pixels wide and 190 pixels tall. How many pixels does it have in all?
30. 30.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
31. 31.🟦 You shrink a 420 × 80 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 You shrink a 340 × 640 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
35. 35.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
36. 36.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
37. 37.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
38. 38.Which of these best fits 16:9? (a) a tall phone video (b) a laptop film screen (c) an old-style monitor (d) a square post
39. 39.Which of these best fits 4:3? (a) an upright phone screen (b) a classic tablet screen (c) a square post (d) an album cover
40. 40.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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