Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 749 · 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.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
2. 2.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
3. 3.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) sharper (d) louder
5. 5.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
6. 6.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
7. 7.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
9. 9.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
10. 10.🟦 An image is 110 pixels wide and 100 pixels tall. How many pixels does it have in all?
11. 11.🟦 An image is 270 pixels wide and 50 pixels tall. How many pixels does it have in all?
12. 12.🟦 An image is 60 pixels wide and 340 pixels tall. How many pixels does it have in all?
13. 13.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
14. 14.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
17. 17.🟦 An image is 360 pixels wide and 130 pixels tall. How many pixels does it have in all?
18. 18.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
19. 19.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
20. 20.Which of these best fits 1:1? (a) a widescreen TV (b) a tall phone video (c) a square post (d) an upright phone screen
21. 21.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
22. 22.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
23. 23.Which of these best fits 1:1? (a) a square profile picture (b) an upright phone screen (c) a laptop film screen (d) a widescreen slide
24. 24.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
25. 25.🟦 You shrink a 580 × 140 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
28. 28.Which of these best fits 9:16? (a) a laptop film screen (b) a landscape video (c) a phone story clip (d) an old-style monitor
29. 29.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
30. 30.🟦 An image is 160 pixels wide and 370 pixels tall. How many pixels does it have in all?
31. 31.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 You shrink a 160 × 600 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.Which of these best fits 16:9? (a) a laptop film screen (b) an older TV screen (c) a phone story clip (d) an old-style monitor
34. 34.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
36. 36.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 An image is 180 pixels wide and 30 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
39. 39.🟦 You shrink an 800 × 720 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.Which of these best fits 4:3? (a) a square profile picture (b) an older TV screen (c) a tall phone video (d) a square post

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