Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 677 · 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 60 × 780 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
3. 3.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
4. 4.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
5. 5.Which of these best fits 9:16? (a) a landscape video (b) a classic tablet screen (c) a square post (d) an upright phone screen
6. 6.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) more colourful (d) sharper
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
8. 8.🟦 An image is 220 pixels wide and 170 pixels tall. How many pixels does it have in all?
9. 9.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
10. 10.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
12. 12.🟦 An image is 160 pixels wide and 60 pixels tall. How many pixels does it have in all?
13. 13.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
14. 14.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
15. 15.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
16. 16.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?
18. 18.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
19. 19.🟦 An image is 230 pixels wide and 370 pixels tall. How many pixels does it have in all?
20. 20.Which of these best fits 1:1? (a) a landscape video (b) a square sticker (c) an old-style monitor (d) an upright phone screen
21. 21.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
22. 22.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
24. 24.Which of these best fits 16:9? (a) an upright phone screen (b) a widescreen TV (c) a square sticker (d) an older TV screen
25. 25.🟦 An image is 320 pixels wide and 120 pixels tall. How many pixels does it have in all?
26. 26.Which of these best fits 16:9? (a) a laptop film screen (b) an upright phone screen (c) an album cover (d) an old-style monitor
27. 27.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
28. 28.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
30. 30.🟦 An image is 160 pixels wide and 400 pixels tall. How many pixels does it have in all?
31. 31.🟦 You shrink a 280 × 160 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
33. 33.Which of these best fits 9:16? (a) a tall phone video (b) an older TV screen (c) a landscape video (d) an old-style monitor
34. 34.Which of these best fits 16:9? (a) a phone story clip (b) a classic tablet screen (c) a widescreen slide (d) a square post
35. 35.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
36. 36.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.Which of these best fits 4:3? (a) a laptop film screen (b) a phone story clip (c) an old-style monitor (d) an album cover
38. 38.🟦 A 16:9 video frame is 2160 pixels tall. How many pixels wide is it?
39. 39.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 You shrink a 740 × 360 pixel image to half its width and half its height. How many pixels does it have now?

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