Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 909 · 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 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
2. 2.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
3. 3.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.Which of these best fits 9:16? (a) a phone story clip (b) a square profile picture (c) a widescreen TV (d) a square post
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
6. 6.Which of these best fits 16:9? (a) an album cover (b) a classic tablet screen (c) a landscape video (d) an old-style monitor
7. 7.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
8. 8.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
10. 10.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
11. 11.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
12. 12.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the font (d) the paper colour
13. 13.🟦 An image is 160 pixels wide and 80 pixels tall. How many pixels does it have in all?
14. 14.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
15. 15.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
16. 16.🟦 An image is 170 pixels wide and 160 pixels tall. How many pixels does it have in all?
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
18. 18.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
21. 21.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
22. 22.🟦 An image is 120 pixels wide and 350 pixels tall. How many pixels does it have in all?
23. 23.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
24. 24.🟦 An image is 310 pixels wide and 300 pixels tall. How many pixels does it have in all?
25. 25.Which of these best fits 4:3? (a) an older TV screen (b) a widescreen TV (c) a tall phone video (d) a widescreen slide
26. 26.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
28. 28.🟦 An image is 390 pixels wide and 280 pixels tall. How many pixels does it have in all?
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
30. 30.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
31. 31.Which of these best fits 16:9? (a) a square sticker (b) a tall phone video (c) a classic tablet screen (d) a widescreen TV
32. 32.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
33. 33.🟦 You shrink a 720 × 500 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
35. 35.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
36. 36.🟦 An image is 220 pixels wide and 340 pixels tall. How many pixels does it have in all?
37. 37.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
39. 39.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
40. 40.🟦 You shrink a 280 × 40 pixel image to half its width and half its height. How many pixels does it have now?

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