Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 580 · 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.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
2. 2.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
4. 4.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
5. 5.Which of these best fits 9:16? (a) a landscape video (b) a widescreen TV (c) a phone story clip (d) an album cover
6. 6.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
7. 7.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
8. 8.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
9. 9.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
10. 10.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
12. 12.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
13. 13.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
14. 14.🟦 An image is 400 pixels wide and 60 pixels tall. How many pixels does it have in all?
15. 15.🟦 An image is 270 pixels wide and 90 pixels tall. How many pixels does it have in all?
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
17. 17.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the font (d) the paper colour
18. 18.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.Which of these best fits 9:16? (a) an upright phone screen (b) an old-style monitor (c) a square post (d) an older TV screen
20. 20.🟦 An image is 50 pixels wide and 140 pixels tall. How many pixels does it have in all?
21. 21.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
22. 22.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
23. 23.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
25. 25.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 An image is 40 pixels wide and 100 pixels tall. How many pixels does it have in all?
27. 27.🟦 An image is 50 pixels wide and 230 pixels tall. How many pixels does it have in all?
28. 28.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
30. 30.🟦 An image is 100 pixels wide and 100 pixels tall. How many pixels does it have in all?
31. 31.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
32. 32.🟦 You shrink a 640 × 160 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
34. 34.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 An image is 190 pixels wide and 40 pixels tall. How many pixels does it have in all?
36. 36.🟦 An image is 150 pixels wide and 370 pixels tall. How many pixels does it have in all?
37. 37.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
38. 38.Which of these best fits 1:1? (a) a widescreen slide (b) a landscape video (c) an album cover (d) a laptop film screen
39. 39.Which of these best fits 16:9? (a) an album cover (b) a square sticker (c) a widescreen slide (d) an old-style monitor
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?

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