Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 726 · 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 50 pixels wide and 290 pixels tall. How many pixels does it have in all?
2. 2.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
3. 3.Which of these best fits 1:1? (a) a laptop film screen (b) a square profile picture (c) an old-style monitor (d) a tall phone video
4. 4.Which of these best fits 4:3? (a) a square sticker (b) an older TV screen (c) a square profile picture (d) an upright phone screen
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
7. 7.🟦 An image is 100 pixels wide and 130 pixels tall. How many pixels does it have in all?
8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
9. 9.Which of these best fits 4:3? (a) a square sticker (b) an old-style monitor (c) a landscape video (d) a widescreen TV
10. 10.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
11. 11.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
13. 13.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
14. 14.🟦 You shrink an 800 × 280 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
18. 18.🟦 You shrink a 180 × 260 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
20. 20.Which of these best fits 9:16? (a) a classic tablet screen (b) an old-style monitor (c) a tall phone video (d) a landscape video
21. 21.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
22. 22.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
23. 23.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
24. 24.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
25. 25.🟦 An image is 140 pixels wide and 370 pixels tall. How many pixels does it have in all?
26. 26.🟦 An image is 170 pixels wide and 370 pixels tall. How many pixels does it have in all?
27. 27.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
28. 28.Which of these best fits 4:3? (a) an upright phone screen (b) a widescreen TV (c) a classic tablet screen (d) a tall phone video
29. 29.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
30. 30.Which of these best fits 9:16? (a) a phone story clip (b) an album cover (c) a classic tablet screen (d) a landscape video
31. 31.🟦 You shrink a 120 × 160 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 An image is 330 pixels wide and 140 pixels tall. How many pixels does it have in all?
33. 33.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
34. 34.🟦 You shrink a 140 × 60 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
36. 36.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 An image is 150 pixels wide and 320 pixels tall. How many pixels does it have in all?
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?

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