Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 617 · 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 photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
3. 3.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
4. 4.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
5. 5.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
7. 7.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
8. 8.Which of these best fits 4:3? (a) an upright phone screen (b) a landscape video (c) a classic tablet screen (d) a laptop film screen
9. 9.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
10. 10.🟦 An image is 300 × 200 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
11. 11.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
12. 12.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
13. 13.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
14. 14.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
15. 15.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
16. 16.🟦 You shrink a 600 × 520 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
19. 19.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
20. 20.Which of these best fits 9:16? (a) a tall phone video (b) a square sticker (c) a widescreen slide (d) a square profile picture
21. 21.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
22. 22.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
23. 23.🟦 You shrink a 220 × 460 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
25. 25.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
26. 26.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 You shrink a 380 × 580 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
30. 30.🟦 An image is 270 pixels wide and 160 pixels tall. How many pixels does it have in all?
31. 31.Which of these best fits 4:3? (a) a landscape video (b) an upright phone screen (c) a widescreen slide (d) an older TV screen
32. 32.Which of these best fits 16:9? (a) a square sticker (b) a widescreen TV (c) an upright phone screen (d) a classic tablet screen
33. 33.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
34. 34.Which of these best fits 1:1? (a) an upright phone screen (b) a laptop film screen (c) a landscape video (d) a square sticker
35. 35.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
36. 36.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size
37. 37.🟦 An image is 140 pixels wide and 60 pixels tall. How many pixels does it have in all?
38. 38.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
39. 39.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?

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