Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 389 · 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.🟦 An image is 340 pixels wide and 300 pixels tall. How many pixels does it have in all?
2. 2.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
3. 3.🟦 An image is 400 pixels wide and 320 pixels tall. How many pixels does it have in all?
4. 4.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
6. 6.Which of these best fits 9:16? (a) a laptop film screen (b) an older TV screen (c) an upright phone screen (d) a square post
7. 7.Which of these best fits 16:9? (a) a tall phone video (b) an upright phone screen (c) an old-style monitor (d) a landscape video
8. 8.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
9. 9.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 A 4:3 video frame is 920 pixels wide. How many pixels tall is it?
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
12. 12.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
13. 13.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
14. 14.Which of these best fits 9:16? (a) a tall phone video (b) an older TV screen (c) a square post (d) an old-style monitor
15. 15.🟦 An image is 600 × 400 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
16. 16.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
17. 17.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
18. 18.🟦 You shrink a 300 × 340 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
20. 20.🟦 An image is 200 × 200 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
21. 21.🟦 An image is 140 pixels wide and 340 pixels tall. How many pixels does it have in all?
22. 22.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
23. 23.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
24. 24.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
25. 25.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
26. 26.🟦 You shrink a 480 × 100 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
28. 28.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
29. 29.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
30. 30.🟦 An image is 160 pixels wide and 260 pixels tall. How many pixels does it have in all?
31. 31.Which of these best fits 4:3? (a) a widescreen TV (b) a square sticker (c) a classic tablet screen (d) a landscape video
32. 32.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
34. 34.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
35. 35.Which of these best fits 4:3? (a) an album cover (b) a widescreen slide (c) a square sticker (d) an older TV screen
36. 36.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
37. 37.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
38. 38.🟦 You shrink an 80 × 60 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 An image is 50 pixels wide and 50 pixels tall. How many pixels does it have in all?
40. 40.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?

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