Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 948 · 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 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen slide (c) a square sticker (d) a widescreen TV
3. 3.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) louder (d) sharper
4. 4.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
5. 5.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
7. 7.🟦 An image is 170 pixels wide and 50 pixels tall. How many pixels does it have in all?
8. 8.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
11. 11.🟦 You shrink a 480 × 400 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
13. 13.Which of these best fits 16:9? (a) an album cover (b) an older TV screen (c) a laptop film screen (d) a phone story clip
14. 14.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
17. 17.🟦 An image is 230 pixels wide and 140 pixels tall. How many pixels does it have in all?
18. 18.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
19. 19.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) more colourful (d) sharper
20. 20.🟦 An image is 310 pixels wide and 30 pixels tall. How many pixels does it have in all?
21. 21.🟦 You shrink a 200 × 180 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 You shrink a 780 × 80 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 200 pixels wide and 320 pixels tall. How many pixels does it have in all?
24. 24.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
26. 26.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
27. 27.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
30. 30.🟦 You shrink an 80 × 480 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.Which of these best fits 9:16? (a) a laptop film screen (b) a landscape video (c) an upright phone screen (d) a square post
32. 32.🟦 You shrink a 140 × 160 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 An image is 290 pixels wide and 120 pixels tall. How many pixels does it have in all?
34. 34.Which of these best fits 1:1? (a) a laptop film screen (b) an upright phone screen (c) a widescreen TV (d) an album cover
35. 35.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
36. 36.🟦 You shrink a 180 × 460 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
39. 39.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
40. 40.🟦 You shrink an 80 × 140 pixel image to half its width and half its height. How many pixels does it have now?

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