Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 155 · 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 an 8-inch-wide print?
2. 2.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
3. 3.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
4. 4.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
5. 5.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
6. 6.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 You shrink a 220 × 260 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 laptop film screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
9. 9.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
11. 11.🟦 An image is 110 pixels wide and 150 pixels tall. How many pixels does it have in all?
12. 12.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 You shrink a 760 × 60 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 You shrink a 60 × 700 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 You shrink a 340 × 500 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.Which of these best fits 16:9? (a) a widescreen TV (b) an upright phone screen (c) an album cover (d) a square profile picture
17. 17.Which of these best fits 16:9? (a) a square post (b) a phone story clip (c) a landscape video (d) an old-style monitor
18. 18.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
19. 19.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
20. 20.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
22. 22.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
24. 24.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
26. 26.🟦 You shrink a 220 × 160 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 You shrink a 720 × 620 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.Which of these best fits 4:3? (a) an older TV screen (b) a laptop film screen (c) an album cover (d) an upright phone screen
29. 29.🟦 You shrink a 580 × 720 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
31. 31.🟦 An image is 400 pixels wide and 170 pixels tall. How many pixels does it have in all?
32. 32.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.Which of these best fits 16:9? (a) a square profile picture (b) an old-style monitor (c) a phone story clip (d) a widescreen slide
34. 34.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
35. 35.🟦 An image is 360 pixels wide and 170 pixels tall. How many pixels does it have in all?
36. 36.Which of these best fits 1:1? (a) a widescreen TV (b) a widescreen slide (c) a tall phone video (d) an album cover
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
38. 38.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
39. 39.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.Which of these best fits 9:16? (a) an upright phone screen (b) an older TV screen (c) a square sticker (d) a square profile picture

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