Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 309 · 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 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
3. 3.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
4. 4.Which of these best fits 4:3? (a) a widescreen slide (b) a landscape video (c) an upright phone screen (d) an old-style monitor
5. 5.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
6. 6.🟦 An image is 390 pixels wide and 60 pixels tall. How many pixels does it have in all?
7. 7.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
8. 8.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
9. 9.Which of these best fits 1:1? (a) a phone story clip (b) a widescreen TV (c) an album cover (d) an old-style monitor
10. 10.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
11. 11.🟦 You shrink a 480 × 300 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
13. 13.🟦 You shrink a 260 × 600 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
16. 16.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
18. 18.Which of these best fits 16:9? (a) an old-style monitor (b) a laptop film screen (c) a square sticker (d) a phone story clip
19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
20. 20.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
21. 21.🟦 An image is 350 pixels wide and 30 pixels tall. How many pixels does it have in all?
22. 22.Which of these best fits 1:1? (a) a square post (b) a widescreen slide (c) an older TV screen (d) a widescreen TV
23. 23.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
25. 25.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
26. 26.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a type of paper (d) a font size
27. 27.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
28. 28.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 An image is 150 pixels wide and 370 pixels tall. How many pixels does it have in all?
30. 30.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
31. 31.🟦 A 4:3 video frame is 390 pixels tall. How many pixels wide is it?
32. 32.🟦 An image is 170 pixels wide and 40 pixels tall. How many pixels does it have in all?
33. 33.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 An image is 300 × 200 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
36. 36.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
37. 37.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
38. 38.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 You shrink a 340 × 760 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 You shrink a 660 × 380 pixel image to half its width and half its height. How many pixels does it have now?

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