Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 29 · 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.🟦 You shrink a 400 × 260 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
4. 4.Which of these best fits 9:16? (a) a laptop film screen (b) a phone story clip (c) a widescreen slide (d) a widescreen TV
5. 5.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
6. 6.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
7. 7.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
8. 8.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
9. 9.🟦 You shrink a 480 × 480 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
12. 12.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.Which of these best fits 4:3? (a) a phone story clip (b) an album cover (c) a landscape video (d) an old-style monitor
14. 14.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.Which of these best fits 4:3? (a) a widescreen slide (b) a classic tablet screen (c) a landscape video (d) a phone story clip
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.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
18. 18.Which of these best fits 16:9? (a) a classic tablet screen (b) an older TV screen (c) a square profile picture (d) a landscape video
19. 19.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.Which of these best fits 4:3? (a) a tall phone video (b) a laptop film screen (c) an album cover (d) an older TV screen
21. 21.🟦 You shrink a 320 × 540 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.Which of these best fits 16:9? (a) an upright phone screen (b) a classic tablet screen (c) a widescreen slide (d) an album cover
23. 23.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
24. 24.Which of these best fits 16:9? (a) a laptop film screen (b) a square profile picture (c) a tall phone video (d) an old-style monitor
25. 25.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
26. 26.Which of these best fits 1:1? (a) an old-style monitor (b) a phone story clip (c) a laptop film screen (d) a square profile picture
27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
29. 29.🟦 You shrink a 720 × 380 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 An image is 400 pixels wide and 120 pixels tall. How many pixels does it have in all?
31. 31.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 An image is 250 pixels wide and 320 pixels tall. How many pixels does it have in all?
33. 33.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
34. 34.🟦 You shrink a 180 × 780 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.Which of these best fits 1:1? (a) an album cover (b) a tall phone video (c) a widescreen TV (d) an old-style monitor
36. 36.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
37. 37.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
38. 38.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
39. 39.🟦 You shrink a 620 × 40 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?

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