Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 18 · 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.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
4. 4.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
6. 6.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
7. 7.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
8. 8.Which of these best fits 4:3? (a) an upright phone screen (b) an old-style monitor (c) a square post (d) a landscape video
9. 9.🟦 You shrink a 320 × 180 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 4:3 video frame is 680 pixels wide. How many pixels tall is it?
12. 12.Which of these best fits 4:3? (a) an upright phone screen (b) a laptop film screen (c) a phone story clip (d) an older TV screen
13. 13.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
14. 14.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
15. 15.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
17. 17.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
18. 18.Which of these best fits 16:9? (a) a phone story clip (b) a landscape video (c) an old-style monitor (d) a tall phone video
19. 19.🟦 An image is 220 pixels wide and 350 pixels tall. How many pixels does it have in all?
20. 20.🟦 You shrink a 540 × 780 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
23. 23.🟦 You shrink a 540 × 80 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
25. 25.🟦 You shrink an 800 × 700 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 You shrink a 200 × 160 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.Which of these best fits 9:16? (a) a classic tablet screen (b) a widescreen slide (c) a widescreen TV (d) a tall phone video
28. 28.Which of these best fits 9:16? (a) a widescreen TV (b) a widescreen slide (c) a square sticker (d) an upright phone screen
29. 29.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
31. 31.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
32. 32.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
33. 33.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
34. 34.🟦 You shrink a 120 × 460 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
37. 37.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
38. 38.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
39. 39.🟦 An image is 150 pixels wide and 370 pixels tall. How many pixels does it have in all?
40. 40.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3

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