Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 113 · 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.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 An image is 220 pixels wide and 50 pixels tall. How many pixels does it have in all?
3. 3.Which of these best fits 4:3? (a) a landscape video (b) an old-style monitor (c) an upright phone screen (d) a widescreen slide
4. 4.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
5. 5.Which of these best fits 16:9? (a) an older TV screen (b) a square post (c) a tall phone video (d) a landscape video
6. 6.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
7. 7.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
8. 8.🟦 A 16:9 video frame is 2160 pixels tall. How many pixels wide is it?
9. 9.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
10. 10.🟦 You shrink a 120 × 560 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.Which of these best fits 9:16? (a) a square post (b) a widescreen TV (c) a widescreen slide (d) an upright phone screen
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
13. 13.🟦 An image is 40 pixels wide and 50 pixels tall. How many pixels does it have in all?
14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
15. 15.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
16. 16.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
17. 17.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
18. 18.Which of these best fits 4:3? (a) an album cover (b) a classic tablet screen (c) an upright phone screen (d) a laptop film screen
19. 19.Which of these best fits 16:9? (a) an album cover (b) a widescreen slide (c) an older TV screen (d) a square profile picture
20. 20.Which of these best fits 16:9? (a) an old-style monitor (b) a laptop film screen (c) a phone story clip (d) a classic tablet screen
21. 21.🟦 An image is 180 pixels wide and 360 pixels tall. How many pixels does it have in all?
22. 22.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
23. 23.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
24. 24.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
25. 25.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) taller than wide (d) round
26. 26.🟦 You shrink a 240 × 200 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size
28. 28.🟦 You shrink a 420 × 740 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 You shrink a 300 × 240 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
32. 32.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
33. 33.Which of these best fits 4:3? (a) an older TV screen (b) a square post (c) a square sticker (d) an album cover
34. 34.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
35. 35.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 You shrink an 80 × 160 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.Which of these best fits 1:1? (a) a landscape video (b) a widescreen slide (c) an older TV screen (d) an album cover
38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
39. 39.Which of these best fits 16:9? (a) a square sticker (b) a widescreen TV (c) a square post (d) an older TV screen
40. 40.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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