Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 859 · 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 4:3 video frame is 600 pixels tall. How many pixels wide is it?
2. 2.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
3. 3.🟦 You shrink a 100 × 40 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
5. 5.Which of these best fits 16:9? (a) a tall phone video (b) an older TV screen (c) a landscape video (d) a classic tablet screen
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
7. 7.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
8. 8.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
9. 9.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
10. 10.🟦 An image is 270 pixels wide and 190 pixels tall. How many pixels does it have in all?
11. 11.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
13. 13.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
14. 14.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
15. 15.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
17. 17.🟦 An image is 110 pixels wide and 180 pixels tall. How many pixels does it have in all?
18. 18.Which of these best fits 1:1? (a) a square post (b) a widescreen TV (c) an upright phone screen (d) an older TV screen
19. 19.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a font size (d) a sound
20. 20.Which of these best fits 4:3? (a) a classic tablet screen (b) a square sticker (c) an album cover (d) a landscape video
21. 21.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
22. 22.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.Which of these best fits 9:16? (a) a square profile picture (b) a phone story clip (c) an album cover (d) a widescreen TV
24. 24.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
26. 26.Which of these best fits 9:16? (a) an old-style monitor (b) a landscape video (c) a laptop film screen (d) a tall phone video
27. 27.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
28. 28.🟦 An image is 380 pixels wide and 80 pixels tall. How many pixels does it have in all?
29. 29.🟦 You shrink a 160 × 160 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 You shrink a 720 × 380 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 An image is 80 pixels wide and 240 pixels tall. How many pixels does it have in all?
32. 32.Which of these best fits 1:1? (a) a tall phone video (b) an upright phone screen (c) a classic tablet screen (d) a square profile picture
33. 33.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
35. 35.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
36. 36.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
37. 37.🟦 An image is 150 pixels wide and 40 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
39. 39.🟦 You shrink a 360 × 600 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9

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