Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 423 · 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 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
2. 2.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
4. 4.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 You shrink a 760 × 80 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
8. 8.🟦 You shrink a 660 × 300 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
11. 11.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a type of paper (d) a sound
12. 12.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
13. 13.🟦 You shrink a 60 × 800 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.Which of these best fits 16:9? (a) an album cover (b) a classic tablet screen (c) a landscape video (d) an older TV screen
15. 15.🟦 You shrink a 40 × 580 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
17. 17.🟦 An image is 40 pixels wide and 330 pixels tall. How many pixels does it have in all?
18. 18.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
20. 20.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
21. 21.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
22. 22.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
23. 23.Which of these best fits 16:9? (a) a square sticker (b) a widescreen slide (c) a classic tablet screen (d) a phone story clip
24. 24.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
25. 25.Which of these best fits 4:3? (a) an older TV screen (b) an upright phone screen (c) a square post (d) an album cover
26. 26.🟦 An image is 390 pixels wide and 80 pixels tall. How many pixels does it have in all?
27. 27.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
28. 28.🟦 An image is 350 pixels wide and 320 pixels tall. How many pixels does it have in all?
29. 29.Which of these best fits 16:9? (a) a phone story clip (b) a tall phone video (c) a square profile picture (d) a widescreen TV
30. 30.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen slide (c) an album cover (d) a widescreen TV
31. 31.Which of these best fits 9:16? (a) an old-style monitor (b) a phone story clip (c) a square profile picture (d) a square post
32. 32.🟦 An image is 20 pixels wide and 220 pixels tall. How many pixels does it have in all?
33. 33.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
35. 35.🟦 An image is 220 pixels wide and 110 pixels tall. How many pixels does it have in all?
36. 36.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
37. 37.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
39. 39.Which of these best fits 9:16? (a) a square profile picture (b) a square post (c) an older TV screen (d) an upright phone screen
40. 40.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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