Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 585 · 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.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
3. 3.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen slide (c) an older TV screen (d) an old-style monitor
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
5. 5.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
7. 7.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) squashed or wide (d) more colourful
8. 8.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
9. 9.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
10. 10.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
12. 12.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
13. 13.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
14. 14.Which of these best fits 16:9? (a) a tall phone video (b) a laptop film screen (c) a phone story clip (d) an old-style monitor
15. 15.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
16. 16.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 An image is 330 pixels wide and 100 pixels tall. How many pixels does it have in all?
19. 19.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 An image is 270 pixels wide and 200 pixels tall. How many pixels does it have in all?
21. 21.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
22. 22.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
23. 23.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
24. 24.🟦 You shrink a 460 × 260 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
26. 26.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
27. 27.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
28. 28.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
30. 30.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
31. 31.Which of these best fits 9:16? (a) a laptop film screen (b) a square post (c) a tall phone video (d) an older TV screen
32. 32.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
33. 33.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
34. 34.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 You shrink a 240 × 760 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 An image is 20 pixels wide and 50 pixels tall. How many pixels does it have in all?
37. 37.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
38. 38.Which of these best fits 16:9? (a) a square profile picture (b) a widescreen TV (c) an old-style monitor (d) a phone story clip
39. 39.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
40. 40.Which of these best fits 4:3? (a) a widescreen slide (b) an older TV screen (c) a landscape video (d) a tall phone video

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