Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 429 · 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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
2. 2.🟦 A 4:3 video frame is 720 pixels tall. How many pixels wide is it?
3. 3.🟦 You shrink a 560 × 460 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) longer (d) louder
5. 5.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
6. 6.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 You shrink a 120 × 700 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.Which of these best fits 16:9? (a) a square sticker (b) a widescreen slide (c) a square post (d) an old-style monitor
9. 9.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) wider than it is tall (d) a perfect square
10. 10.🟦 An image is 300 pixels wide and 100 pixels tall. How many pixels does it have in all?
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
12. 12.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
13. 13.🟦 An image is 390 pixels wide and 60 pixels tall. How many pixels does it have in all?
14. 14.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.Which of these best fits 16:9? (a) an upright phone screen (b) a square post (c) an old-style monitor (d) a laptop film screen
16. 16.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size
17. 17.🟦 An image is 270 pixels wide and 180 pixels tall. How many pixels does it have in all?
18. 18.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
20. 20.Which of these best fits 16:9? (a) a square post (b) a phone story clip (c) an upright phone screen (d) a landscape video
21. 21.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
23. 23.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) exactly the same (d) more colourful
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
26. 26.🟦 An image is 20 pixels wide and 110 pixels tall. How many pixels does it have in all?
27. 27.Which of these best fits 9:16? (a) a classic tablet screen (b) a phone story clip (c) a widescreen TV (d) a square post
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
29. 29.Which of these best fits 1:1? (a) a square post (b) an old-style monitor (c) a widescreen TV (d) a laptop film screen
30. 30.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
31. 31.🟦 An image is 200 × 200 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
32. 32.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
33. 33.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
34. 34.Which of these best fits 16:9? (a) a phone story clip (b) a square sticker (c) an older TV screen (d) a widescreen TV
35. 35.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
36. 36.🟦 You shrink a 440 × 520 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 An image is 50 pixels wide and 380 pixels tall. How many pixels does it have in all?
39. 39.Which of these best fits 9:16? (a) a widescreen slide (b) an upright phone screen (c) a square profile picture (d) an album cover
40. 40.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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