Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 718 · 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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
2. 2.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.Which of these best fits 16:9? (a) a tall phone video (b) an album cover (c) a widescreen slide (d) an older TV screen
4. 4.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
6. 6.Which of these best fits 4:3? (a) a classic tablet screen (b) a tall phone video (c) a widescreen TV (d) a square post
7. 7.Which of these best fits 4:3? (a) an old-style monitor (b) a widescreen slide (c) a square sticker (d) a square profile picture
8. 8.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
9. 9.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 An image is 20 pixels wide and 120 pixels tall. How many pixels does it have in all?
11. 11.🟦 You shrink a 500 × 440 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.Which of these best fits 16:9? (a) a classic tablet screen (b) a tall phone video (c) a square sticker (d) a laptop film screen
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
14. 14.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
15. 15.🟦 You shrink a 460 × 260 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen TV (c) an album cover (d) an old-style monitor
17. 17.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
18. 18.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
19. 19.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
20. 20.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
23. 23.🟦 You shrink a 360 × 140 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 You shrink a 120 × 620 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
27. 27.🟦 An image is 40 pixels wide and 120 pixels tall. How many pixels does it have in all?
28. 28.🟦 A 16:9 video frame is 2160 pixels tall. How many pixels wide is it?
29. 29.🟦 An image is 210 pixels wide and 300 pixels tall. How many pixels does it have in all?
30. 30.🟦 An image is 380 pixels wide and 270 pixels tall. How many pixels does it have in all?
31. 31.🟦 An image is 240 pixels wide and 190 pixels tall. How many pixels does it have in all?
32. 32.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
33. 33.🟦 An image is 280 pixels wide and 380 pixels tall. How many pixels does it have in all?
34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
35. 35.Which of these best fits 16:9? (a) a widescreen TV (b) a classic tablet screen (c) a tall phone video (d) an old-style monitor
36. 36.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
37. 37.🟦 You shrink a 340 × 180 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 You shrink a 160 × 140 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
40. 40.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16

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