Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 296 · 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.🟦 You shrink a 600 × 380 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
3. 3.Which of these best fits 4:3? (a) a widescreen slide (b) a laptop film screen (c) a tall phone video (d) an old-style monitor
4. 4.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
6. 6.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
7. 7.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
8. 8.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
9. 9.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
10. 10.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
11. 11.🟦 You shrink a 380 × 180 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
14. 14.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
15. 15.Which of these best fits 16:9? (a) an older TV screen (b) a square post (c) a phone story clip (d) a laptop film screen
16. 16.🟦 You shrink a 760 × 260 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.Which of these best fits 4:3? (a) a square post (b) an album cover (c) a phone story clip (d) a classic tablet screen
19. 19.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?
20. 20.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) louder (d) sharper
21. 21.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
22. 22.🟦 An image is 80 × 60 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
23. 23.Which of these best fits 9:16? (a) a laptop film screen (b) a tall phone video (c) a widescreen slide (d) a square sticker
24. 24.Which of these best fits 4:3? (a) a phone story clip (b) an older TV screen (c) an upright phone screen (d) a widescreen slide
25. 25.🟦 An image is 110 × 110 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
26. 26.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
28. 28.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
29. 29.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
30. 30.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
31. 31.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
32. 32.Which of these best fits 1:1? (a) a widescreen slide (b) a square post (c) a laptop film screen (d) a widescreen TV
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
34. 34.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
35. 35.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
36. 36.🟦 An image is 20 pixels wide and 70 pixels tall. How many pixels does it have in all?
37. 37.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
40. 40.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?

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