Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 121 · 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 aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
2. 2.🟦 An image is 690 × 460 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
3. 3.🟦 You shrink a 780 × 740 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
7. 7.Which of these best fits 1:1? (a) a widescreen slide (b) a phone story clip (c) a landscape video (d) a square sticker
8. 8.Which of these best fits 4:3? (a) a square sticker (b) a square post (c) an old-style monitor (d) a phone story clip
9. 9.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
10. 10.🟦 You shrink a 700 × 740 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
12. 12.Which of these best fits 1:1? (a) a widescreen TV (b) a tall phone video (c) an album cover (d) an old-style monitor
13. 13.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
15. 15.🟦 A 16:9 video frame is 2160 pixels tall. How many pixels wide is it?
16. 16.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
17. 17.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
19. 19.🟦 You shrink a 620 × 620 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
21. 21.Which of these best fits 4:3? (a) a phone story clip (b) a widescreen slide (c) an album cover (d) an older TV screen
22. 22.🟦 An image is 340 pixels wide and 230 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
24. 24.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
25. 25.🟦 An image is 90 pixels wide and 250 pixels tall. How many pixels does it have in all?
26. 26.Which of these best fits 16:9? (a) a square profile picture (b) a square post (c) a widescreen slide (d) a classic tablet screen
27. 27.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
28. 28.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
30. 30.🟦 An image is 2560 × 1440 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
31. 31.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round
32. 32.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.Which of these best fits 16:9? (a) a tall phone video (b) a square profile picture (c) an old-style monitor (d) a laptop film screen
35. 35.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
36. 36.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
37. 37.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
38. 38.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
40. 40.🟦 You shrink a 340 × 600 pixel image to half its width and half its height. How many pixels does it have now?

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