Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 17 · 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 160 × 160 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
2. 2.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
3. 3.🟦 An image is 260 pixels wide and 60 pixels tall. How many pixels does it have in all?
4. 4.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
5. 5.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
6. 6.🟦 You shrink a 360 × 740 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
8. 8.Which of these best fits 16:9? (a) a phone story clip (b) an old-style monitor (c) a widescreen slide (d) an album cover
9. 9.🟦 An image is 190 pixels wide and 90 pixels tall. How many pixels does it have in all?
10. 10.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
11. 11.Which of these best fits 4:3? (a) a laptop film screen (b) a square profile picture (c) a widescreen TV (d) a classic tablet screen
12. 12.🟦 You shrink a 40 × 40 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.Which of these best fits 9:16? (a) a widescreen slide (b) a tall phone video (c) a widescreen TV (d) a laptop film screen
14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
16. 16.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
18. 18.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
19. 19.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
20. 20.Which of these best fits 16:9? (a) a laptop film screen (b) an upright phone screen (c) a square sticker (d) a phone story clip
21. 21.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
22. 22.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
23. 23.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
24. 24.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
25. 25.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
26. 26.🟦 An image is 70 pixels wide and 90 pixels tall. How many pixels does it have in all?
27. 27.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
28. 28.🟦 You shrink a 620 × 760 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 You shrink a 620 × 280 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 An image is 250 pixels wide and 90 pixels tall. How many pixels does it have in all?
31. 31.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 You shrink a 160 × 120 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 An image is 290 pixels wide and 390 pixels tall. How many pixels does it have in all?
34. 34.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
36. 36.🟦 You shrink a 100 × 460 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 200 pixels wide and 80 pixels tall. How many pixels does it have in all?
38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
39. 39.🟦 You shrink a 700 × 380 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size

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