Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 487 · 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.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) squashed or wide (d) more colourful
2. 2.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) taller than wide (d) a perfect square
3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
5. 5.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.Which of these best fits 9:16? (a) an upright phone screen (b) a square sticker (c) a landscape video (d) an old-style monitor
7. 7.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
8. 8.Which of these best fits 16:9? (a) a widescreen slide (b) an upright phone screen (c) a phone story clip (d) a tall phone video
9. 9.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
10. 10.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
12. 12.Which of these best fits 16:9? (a) a landscape video (b) a tall phone video (c) a square profile picture (d) an old-style monitor
13. 13.🟦 You shrink a 580 × 220 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
15. 15.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
16. 16.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
17. 17.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
18. 18.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
19. 19.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
20. 20.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
21. 21.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
25. 25.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
26. 26.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
28. 28.🟦 You shrink a 100 × 360 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
31. 31.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
33. 33.Which of these best fits 4:3? (a) a laptop film screen (b) a widescreen slide (c) a landscape video (d) an older TV screen
34. 34.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
35. 35.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 An image is 270 pixels wide and 140 pixels tall. How many pixels does it have in all?
37. 37.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
38. 38.🟦 You shrink a 620 × 120 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
40. 40.🟦 An image is 330 pixels wide and 320 pixels tall. How many pixels does it have in all?

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