Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 630 · 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.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
2. 2.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
3. 3.🟦 An image is 360 pixels wide and 90 pixels tall. How many pixels does it have in all?
4. 4.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
5. 5.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
6. 6.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
7. 7.Which of these best fits 9:16? (a) a widescreen slide (b) a square post (c) a square profile picture (d) a tall phone video
8. 8.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) more colourful (d) squashed or wide
9. 9.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
10. 10.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
11. 11.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
12. 12.Which of these best fits 16:9? (a) a tall phone video (b) a square post (c) an old-style monitor (d) a widescreen slide
13. 13.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
14. 14.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
15. 15.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
16. 16.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
18. 18.🟦 You shrink a 600 × 220 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
20. 20.Which of these best fits 9:16? (a) a square post (b) a landscape video (c) a classic tablet screen (d) an upright phone screen
21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
22. 22.Which of these best fits 16:9? (a) a square profile picture (b) a classic tablet screen (c) an album cover (d) a laptop film screen
23. 23.Which of these best fits 9:16? (a) an album cover (b) a phone story clip (c) a widescreen slide (d) an old-style monitor
24. 24.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen TV (c) an album cover (d) a widescreen slide
25. 25.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
27. 27.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
29. 29.🟦 An image is 160 pixels wide and 370 pixels tall. How many pixels does it have in all?
30. 30.Which of these best fits 1:1? (a) a laptop film screen (b) a square sticker (c) a landscape video (d) a widescreen TV
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
32. 32.🟦 An image is 300 pixels wide and 180 pixels tall. How many pixels does it have in all?
33. 33.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
34. 34.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
35. 35.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
36. 36.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.Which of these best fits 16:9? (a) a square profile picture (b) a landscape video (c) a classic tablet screen (d) a phone story clip
38. 38.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
39. 39.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 You shrink a 140 × 740 pixel image to half its width and half its height. How many pixels does it have now?

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