Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 227 · 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.Which of these best fits 9:16? (a) a laptop film screen (b) a square post (c) an older TV screen (d) a phone story clip
2. 2.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
3. 3.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 An image is 90 pixels wide and 210 pixels tall. How many pixels does it have in all?
6. 6.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
7. 7.🟦 You shrink a 440 × 260 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 An image is 60 pixels wide and 20 pixels tall. How many pixels does it have in all?
9. 9.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 An image is 240 pixels wide and 240 pixels tall. How many pixels does it have in all?
11. 11.🟦 An image is 70 pixels wide and 190 pixels tall. How many pixels does it have in all?
12. 12.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) a perfect square (d) taller than wide
13. 13.Which of these best fits 16:9? (a) an album cover (b) an older TV screen (c) a laptop film screen (d) a phone story clip
14. 14.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
15. 15.Which of these best fits 4:3? (a) a classic tablet screen (b) a tall phone video (c) a widescreen TV (d) a widescreen slide
16. 16.Which of these best fits 16:9? (a) a tall phone video (b) an older TV screen (c) a landscape video (d) an old-style monitor
17. 17.🟦 An image is 150 pixels wide and 20 pixels tall. How many pixels does it have in all?
18. 18.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
19. 19.🟦 An image is 210 pixels wide and 240 pixels tall. How many pixels does it have in all?
20. 20.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
21. 21.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
22. 22.🟦 An image is 2560 × 1440 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
23. 23.🟦 You shrink a 480 × 780 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
25. 25.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
26. 26.🟦 An image is 690 × 460 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
27. 27.🟦 An image is 360 pixels wide and 320 pixels tall. How many pixels does it have in all?
28. 28.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
29. 29.Which of these best fits 9:16? (a) a classic tablet screen (b) an old-style monitor (c) an album cover (d) a tall phone video
30. 30.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
31. 31.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
32. 32.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
33. 33.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
37. 37.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
38. 38.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
39. 39.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
40. 40.Which of these best fits 4:3? (a) an upright phone screen (b) a landscape video (c) a widescreen slide (d) an old-style monitor

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