Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 293 · 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 laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
2. 2.🟦 An image is 360 pixels wide and 250 pixels tall. How many pixels does it have in all?
3. 3.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
4. 4.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a sound (d) a type of paper
5. 5.Which of these best fits 1:1? (a) a square sticker (b) an old-style monitor (c) a landscape video (d) a widescreen TV
6. 6.Which of these best fits 4:3? (a) an upright phone screen (b) a widescreen slide (c) an older TV screen (d) a square profile picture
7. 7.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the paper colour (d) the font
10. 10.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
11. 11.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?
12. 12.🟦 An image is 110 pixels wide and 250 pixels tall. How many pixels does it have in all?
13. 13.Which of these best fits 16:9? (a) a widescreen slide (b) a classic tablet screen (c) an upright phone screen (d) an older TV screen
14. 14.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 An image is 330 pixels wide and 30 pixels tall. How many pixels does it have in all?
16. 16.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 50 pixels wide and 20 pixels tall. How many pixels does it have in all?
18. 18.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
19. 19.🟦 You shrink a 400 × 520 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 An image is 390 pixels wide and 80 pixels tall. How many pixels does it have in all?
22. 22.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
24. 24.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
25. 25.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
26. 26.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
27. 27.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
29. 29.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
30. 30.🟦 You shrink a 600 × 60 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.Which of these best fits 9:16? (a) a square sticker (b) a tall phone video (c) a classic tablet screen (d) a widescreen TV
32. 32.Which of these best fits 9:16? (a) a square post (b) a classic tablet screen (c) a square profile picture (d) a phone story clip
33. 33.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) squashed or wide (d) sharper
35. 35.Which of these best fits 16:9? (a) an old-style monitor (b) a phone story clip (c) a widescreen TV (d) an album cover
36. 36.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
37. 37.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
38. 38.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
39. 39.🟦 An image is 110 pixels wide and 370 pixels tall. How many pixels does it have in all?
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?

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