Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 472 · 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.Which of these best fits 9:16? (a) an album cover (b) an upright phone screen (c) a laptop film screen (d) a widescreen slide
2. 2.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
3. 3.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
4. 4.Which of these best fits 9:16? (a) a tall phone video (b) a widescreen slide (c) a classic tablet screen (d) an old-style monitor
5. 5.Which of these best fits 4:3? (a) a square sticker (b) a tall phone video (c) a landscape video (d) an old-style monitor
6. 6.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
7. 7.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
10. 10.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
12. 12.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
13. 13.🟦 An image is 270 pixels wide and 400 pixels tall. How many pixels does it have in all?
14. 14.🟦 You shrink a 780 × 240 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.Which of these best fits 16:9? (a) an album cover (b) a laptop film screen (c) a tall phone video (d) a square post
16. 16.🟦 You shrink a 260 × 580 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
18. 18.Which of these best fits 16:9? (a) a square post (b) an older TV screen (c) a landscape video (d) a tall phone video
19. 19.🟦 An image is 340 pixels wide and 320 pixels tall. How many pixels does it have in all?
20. 20.Which of these best fits 4:3? (a) a classic tablet screen (b) an upright phone screen (c) a square profile picture (d) a square sticker
21. 21.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
22. 22.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
25. 25.Which of these best fits 1:1? (a) a widescreen slide (b) a square post (c) a phone story clip (d) a landscape video
26. 26.🟦 An image is 200 pixels wide and 70 pixels tall. How many pixels does it have in all?
27. 27.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
28. 28.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
29. 29.🟦 You shrink a 600 × 60 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
31. 31.🟦 You shrink a 200 × 120 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 You shrink a 660 × 40 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.Which of these best fits 1:1? (a) an old-style monitor (b) an album cover (c) a widescreen slide (d) a laptop film screen
36. 36.🟦 An image is 310 pixels wide and 160 pixels tall. How many pixels does it have in all?
37. 37.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
38. 38.🟦 You shrink a 200 × 340 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
40. 40.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?

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