Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 388 · 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 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
3. 3.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
4. 4.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
5. 5.🟦 You shrink a 440 × 140 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
8. 8.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
9. 9.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a sound (d) a font size
10. 10.Which of these best fits 1:1? (a) a square post (b) a classic tablet screen (c) a phone story clip (d) a widescreen slide
11. 11.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
13. 13.Which of these best fits 9:16? (a) an older TV screen (b) an upright phone screen (c) a laptop film screen (d) a widescreen slide
14. 14.Which of these best fits 9:16? (a) a landscape video (b) a widescreen slide (c) a square sticker (d) a tall phone video
15. 15.🟦 You shrink an 800 × 660 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
17. 17.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
19. 19.🟦 The resolution of an image is … (a) the font (b) the file name (c) the paper colour (d) the number of pixels
20. 20.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
22. 22.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
24. 24.🟦 You shrink a 520 × 640 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.Which of these best fits 16:9? (a) an upright phone screen (b) a phone story clip (c) an older TV screen (d) a laptop film screen
26. 26.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) exactly the same (d) more colourful
27. 27.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 You shrink a 300 × 440 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 An image is 280 pixels wide and 130 pixels tall. How many pixels does it have in all?
30. 30.🟦 An image is 180 pixels wide and 220 pixels tall. How many pixels does it have in all?
31. 31.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
32. 32.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
33. 33.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
34. 34.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
35. 35.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
37. 37.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
38. 38.Which of these best fits 16:9? (a) a square profile picture (b) a widescreen slide (c) an album cover (d) a square post
39. 39.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
40. 40.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) louder (d) sharper

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