Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 432 · 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.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
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.🟦 You shrink a 260 × 60 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
5. 5.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
7. 7.🟦 An image is 90 pixels wide and 110 pixels tall. How many pixels does it have in all?
8. 8.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
9. 9.🟦 You shrink a 520 × 40 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
12. 12.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
13. 13.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
14. 14.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
15. 15.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
16. 16.Which of these best fits 9:16? (a) a laptop film screen (b) an upright phone screen (c) an old-style monitor (d) a widescreen slide
17. 17.🟦 You shrink a 380 × 160 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
20. 20.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 An image is 120 pixels wide and 340 pixels tall. How many pixels does it have in all?
22. 22.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
23. 23.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
24. 24.🟦 An image is 190 pixels wide and 50 pixels tall. How many pixels does it have in all?
25. 25.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
27. 27.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 You shrink a 280 × 300 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
31. 31.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) exactly the same (d) sharper
32. 32.🟦 An image is 310 pixels wide and 310 pixels tall. How many pixels does it have in all?
33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
34. 34.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.Which of these best fits 16:9? (a) a widescreen TV (b) an upright phone screen (c) an old-style monitor (d) a square sticker
36. 36.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
38. 38.🟦 An image is 30 pixels wide and 290 pixels tall. How many pixels does it have in all?
39. 39.🟦 You shrink a 240 × 780 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.Which of these best fits 4:3? (a) a landscape video (b) an older TV screen (c) a widescreen TV (d) an album cover

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