Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 145 · 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 960 × 540 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
2. 2.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
3. 3.Which of these best fits 16:9? (a) a square profile picture (b) a square sticker (c) an album cover (d) a landscape video
4. 4.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
5. 5.🟦 An image is 290 pixels wide and 300 pixels tall. How many pixels does it have in all?
6. 6.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
7. 7.🟦 An image is 360 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
8. 8.Which of these best fits 1:1? (a) a square sticker (b) a classic tablet screen (c) a phone story clip (d) a tall phone video
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
10. 10.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 You shrink a 620 × 220 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
13. 13.🟦 You shrink a 700 × 420 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
16. 16.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
17. 17.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
18. 18.Which of these best fits 16:9? (a) a square profile picture (b) a phone story clip (c) a widescreen slide (d) a square post
19. 19.🟦 An image is 50 pixels wide and 160 pixels tall. How many pixels does it have in all?
20. 20.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
21. 21.🟦 You shrink a 740 × 220 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
23. 23.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
24. 24.Which of these best fits 16:9? (a) a square post (b) a tall phone video (c) a widescreen TV (d) an older TV screen
25. 25.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
27. 27.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 An image is 330 pixels wide and 290 pixels tall. How many pixels does it have in all?
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
31. 31.Which of these best fits 9:16? (a) a square profile picture (b) an old-style monitor (c) a phone story clip (d) a widescreen TV
32. 32.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) more colourful (d) sharper
33. 33.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 An image is 240 pixels wide and 350 pixels tall. How many pixels does it have in all?
35. 35.Which of these best fits 4:3? (a) a phone story clip (b) a landscape video (c) a widescreen slide (d) a classic tablet screen
36. 36.🟦 You shrink a 340 × 60 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
38. 38.🟦 An image is 40 pixels wide and 150 pixels tall. How many pixels does it have in all?
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
40. 40.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?

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