Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 413 · 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 80 pixels wide and 210 pixels tall. How many pixels does it have in all?
2. 2.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
6. 6.Which of these best fits 1:1? (a) a widescreen TV (b) a landscape video (c) a phone story clip (d) a square post
7. 7.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
8. 8.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
9. 9.🟦 You shrink a 660 × 620 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
11. 11.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
12. 12.Which of these best fits 4:3? (a) a square sticker (b) a phone story clip (c) an older TV screen (d) an album cover
13. 13.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
14. 14.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
16. 16.Which of these best fits 16:9? (a) a square post (b) a square sticker (c) a tall phone video (d) a widescreen slide
17. 17.🟦 An image is 260 pixels wide and 330 pixels tall. How many pixels does it have in all?
18. 18.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
19. 19.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
20. 20.🟦 An image is 30 pixels wide and 90 pixels tall. How many pixels does it have in all?
21. 21.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
22. 22.🟦 You shrink a 260 × 420 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
24. 24.Which of these best fits 4:3? (a) a landscape video (b) a square post (c) a widescreen slide (d) an old-style monitor
25. 25.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
27. 27.Which of these best fits 9:16? (a) an upright phone screen (b) a widescreen slide (c) a square sticker (d) a landscape video
28. 28.Which of these best fits 4:3? (a) a tall phone video (b) a widescreen TV (c) a classic tablet screen (d) an album cover
29. 29.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.Which of these best fits 16:9? (a) an older TV screen (b) a square sticker (c) a laptop film screen (d) a tall phone video
31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
32. 32.🟦 You shrink a 60 × 500 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.Which of these best fits 9:16? (a) an old-style monitor (b) a classic tablet screen (c) a phone story clip (d) a widescreen TV
34. 34.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
35. 35.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
36. 36.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
38. 38.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
39. 39.🟦 An image is 110 pixels wide and 30 pixels tall. How many pixels does it have in all?
40. 40.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide

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