Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 538 · 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.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
5. 5.Which of these best fits 16:9? (a) a square post (b) a widescreen slide (c) an upright phone screen (d) an older TV screen
6. 6.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
7. 7.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
8. 8.Which of these best fits 1:1? (a) an upright phone screen (b) a square post (c) an older TV screen (d) a widescreen TV
9. 9.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) sharper (d) more colourful
10. 10.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
11. 11.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
12. 12.🟦 You shrink a 240 × 320 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 An image is 260 pixels wide and 270 pixels tall. How many pixels does it have in all?
14. 14.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
15. 15.🟦 An image is 50 pixels wide and 390 pixels tall. How many pixels does it have in all?
16. 16.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) a perfect square (d) taller than wide
18. 18.Which of these best fits 16:9? (a) a landscape video (b) a square sticker (c) a classic tablet screen (d) a square profile picture
19. 19.Which of these best fits 1:1? (a) an upright phone screen (b) a square sticker (c) a landscape video (d) a widescreen TV
20. 20.🟦 An image is 90 pixels wide and 370 pixels tall. How many pixels does it have in all?
21. 21.Which of these best fits 9:16? (a) a phone story clip (b) a laptop film screen (c) a square post (d) a classic tablet screen
22. 22.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
23. 23.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
25. 25.🟦 An image is 60 pixels wide and 70 pixels tall. How many pixels does it have in all?
26. 26.🟦 You shrink a 480 × 80 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 An image is 310 pixels wide and 90 pixels tall. How many pixels does it have in all?
28. 28.Which of these best fits 16:9? (a) an older TV screen (b) an old-style monitor (c) an album cover (d) a laptop film screen
29. 29.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
30. 30.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
31. 31.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
32. 32.Which of these best fits 16:9? (a) an older TV screen (b) an album cover (c) a widescreen TV (d) a tall phone video
33. 33.🟦 An image is 230 pixels wide and 230 pixels tall. How many pixels does it have in all?
34. 34.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.Which of these best fits 4:3? (a) an old-style monitor (b) a square sticker (c) a tall phone video (d) a laptop film screen
36. 36.🟦 An image is 80 × 60 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
37. 37.🟦 You shrink a 60 × 140 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.Which of these best fits 1:1? (a) a tall phone video (b) an older TV screen (c) a square profile picture (d) a phone story clip
39. 39.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
40. 40.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) longer (d) blocky (pixelated)

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