Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 483 · 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 260 pixels wide and 390 pixels tall. How many pixels does it have in all?
2. 2.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
3. 3.🟦 An image is 920 × 690 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
4. 4.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
6. 6.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
7. 7.🟦 You shrink a 580 × 80 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
9. 9.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a type of paper (d) a sound
10. 10.Which of these best fits 9:16? (a) a phone story clip (b) an older TV screen (c) a widescreen slide (d) an old-style monitor
11. 11.🟦 An image is 200 pixels wide and 140 pixels tall. How many pixels does it have in all?
12. 12.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
14. 14.Which of these best fits 4:3? (a) a widescreen slide (b) an old-style monitor (c) a widescreen TV (d) a phone story clip
15. 15.Which of these best fits 9:16? (a) a square profile picture (b) a classic tablet screen (c) a tall phone video (d) a widescreen slide
16. 16.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
17. 17.🟦 An image is 20 pixels wide and 40 pixels tall. How many pixels does it have in all?
18. 18.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
19. 19.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
20. 20.🟦 An image is 230 pixels wide and 400 pixels tall. How many pixels does it have in all?
21. 21.🟦 An image is 380 pixels wide and 390 pixels tall. How many pixels does it have in all?
22. 22.🟦 You shrink a 240 × 720 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
24. 24.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) sharper (d) louder
25. 25.Which of these best fits 4:3? (a) a widescreen TV (b) a square sticker (c) a square profile picture (d) a classic tablet screen
26. 26.🟦 You shrink a 60 × 380 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 An image is 360 pixels wide and 300 pixels tall. How many pixels does it have in all?
28. 28.🟦 You shrink a 320 × 160 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
30. 30.🟦 An image is 200 pixels wide and 60 pixels tall. How many pixels does it have in all?
31. 31.Which of these best fits 1:1? (a) a landscape video (b) a tall phone video (c) a widescreen slide (d) a square post
32. 32.🟦 You shrink a 740 × 540 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
34. 34.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 An image is 230 pixels wide and 230 pixels tall. How many pixels does it have in all?
36. 36.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
37. 37.🟦 An image is 360 pixels wide and 380 pixels tall. How many pixels does it have in all?
38. 38.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
39. 39.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
40. 40.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9

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