Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 428 · 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 520 × 390 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
2. 2.🟦 You shrink a 300 × 460 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.Which of these best fits 16:9? (a) a square profile picture (b) an old-style monitor (c) an upright phone screen (d) a widescreen TV
4. 4.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) a perfect square (d) taller than wide
5. 5.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
6. 6.Which of these best fits 4:3? (a) an older TV screen (b) a phone story clip (c) an album cover (d) a widescreen TV
7. 7.🟦 You shrink a 160 × 740 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
9. 9.Which of these best fits 4:3? (a) a landscape video (b) a laptop film screen (c) an upright phone screen (d) a classic tablet screen
10. 10.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
12. 12.Which of these best fits 9:16? (a) a square post (b) a classic tablet screen (c) a tall phone video (d) a widescreen slide
13. 13.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
14. 14.🟦 You shrink a 340 × 180 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
17. 17.Which of these best fits 9:16? (a) a landscape video (b) a widescreen slide (c) a square post (d) a phone story clip
18. 18.🟦 You shrink a 240 × 360 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
21. 21.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
22. 22.🟦 An image is 210 pixels wide and 80 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
24. 24.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen TV (c) a square post (d) a widescreen slide
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
26. 26.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
27. 27.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
28. 28.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
31. 31.🟦 A 4:3 video frame is 330 pixels tall. How many pixels wide is it?
32. 32.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
33. 33.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
34. 34.🟦 You shrink a 520 × 520 pixel image to half its width and half its height. How many pixels does it have now?
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.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
37. 37.🟦 You shrink a 200 × 620 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
39. 39.Which of these best fits 16:9? (a) a tall phone video (b) an older TV screen (c) a laptop film screen (d) a phone story clip
40. 40.🟦 An image is 380 pixels wide and 50 pixels tall. How many pixels does it have in all?

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