Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 901 · 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 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
5. 5.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
6. 6.🟦 You shrink a 400 × 200 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
8. 8.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
9. 9.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
10. 10.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
11. 11.🟦 You shrink a 60 × 480 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 laptop film screen (b) an album cover (c) a tall phone video (d) a square post
13. 13.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a type of paper (d) a sound
14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
15. 15.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
16. 16.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
17. 17.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
18. 18.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.Which of these best fits 1:1? (a) an album cover (b) a landscape video (c) an upright phone screen (d) a widescreen TV
20. 20.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
22. 22.🟦 An image is 50 pixels wide and 140 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 220 pixels wide and 30 pixels tall. How many pixels does it have in all?
24. 24.🟦 You shrink a 120 × 520 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
26. 26.🟦 An image is 110 pixels wide and 150 pixels tall. How many pixels does it have in all?
27. 27.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
28. 28.Which of these best fits 1:1? (a) a phone story clip (b) a classic tablet screen (c) a widescreen TV (d) a square post
29. 29.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) more colourful (d) squashed or wide
30. 30.Which of these best fits 9:16? (a) a phone story clip (b) a landscape video (c) a laptop film screen (d) a square post
31. 31.Which of these best fits 4:3? (a) a widescreen slide (b) a tall phone video (c) a classic tablet screen (d) an upright phone screen
32. 32.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.Which of these best fits 16:9? (a) a square post (b) a classic tablet screen (c) an upright phone screen (d) a landscape video
34. 34.🟦 You shrink a 380 × 420 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.Which of these best fits 16:9? (a) a classic tablet screen (b) a square sticker (c) a widescreen TV (d) a square profile picture
36. 36.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 An image is 70 pixels wide and 200 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 290 pixels wide and 370 pixels tall. How many pixels does it have in all?
39. 39.🟦 An image is 160 pixels wide and 50 pixels tall. How many pixels does it have in all?
40. 40.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?

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