Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 95 · 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.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
3. 3.🟦 An image is 320 pixels wide and 330 pixels tall. How many pixels does it have in all?
4. 4.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 An image is 100 pixels wide and 360 pixels tall. How many pixels does it have in all?
6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
7. 7.Which of these best fits 4:3? (a) a square profile picture (b) a widescreen TV (c) an older TV screen (d) an upright phone screen
8. 8.🟦 An image is 70 pixels wide and 250 pixels tall. How many pixels does it have in all?
9. 9.🟦 You shrink a 340 × 480 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
11. 11.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) a perfect square (d) taller than wide
12. 12.🟦 You shrink a 360 × 120 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
14. 14.Which of these best fits 4:3? (a) an upright phone screen (b) a square profile picture (c) an old-style monitor (d) a landscape video
15. 15.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 You shrink a 180 × 360 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.Which of these best fits 1:1? (a) an old-style monitor (b) a landscape video (c) a tall phone video (d) a square post
18. 18.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
19. 19.🟦 An image is 120 pixels wide and 380 pixels tall. How many pixels does it have in all?
20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
21. 21.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
23. 23.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
24. 24.🟦 An image is 310 pixels wide and 150 pixels tall. How many pixels does it have in all?
25. 25.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
26. 26.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
28. 28.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
30. 30.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
31. 31.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) sharper (d) more colourful
33. 33.🟦 An image is 920 × 690 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
34. 34.🟦 You shrink a 180 × 100 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
36. 36.Which of these best fits 1:1? (a) a phone story clip (b) a tall phone video (c) a landscape video (d) an album cover
37. 37.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
38. 38.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
39. 39.Which of these best fits 16:9? (a) a phone story clip (b) a square profile picture (c) a square sticker (d) a landscape video
40. 40.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16

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