Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 41 · 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 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.Which of these best fits 1:1? (a) a square sticker (b) a phone story clip (c) a classic tablet screen (d) an older TV screen
3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
4. 4.Which of these best fits 16:9? (a) a laptop film screen (b) an old-style monitor (c) an upright phone screen (d) an album cover
5. 5.Which of these best fits 16:9? (a) a widescreen slide (b) a tall phone video (c) a classic tablet screen (d) a square post
6. 6.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
7. 7.🟦 An image is 180 pixels wide and 130 pixels tall. How many pixels does it have in all?
8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
9. 9.🟦 You shrink a 240 × 120 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
11. 11.🟦 An image is 220 pixels wide and 70 pixels tall. How many pixels does it have in all?
12. 12.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
13. 13.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
14. 14.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.Which of these best fits 4:3? (a) an old-style monitor (b) a landscape video (c) a square profile picture (d) a widescreen slide
16. 16.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
18. 18.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
19. 19.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen TV (c) a phone story clip (d) a laptop film screen
20. 20.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
21. 21.🟦 You shrink a 60 × 340 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 An image is 370 pixels wide and 300 pixels tall. How many pixels does it have in all?
24. 24.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
25. 25.Which of these best fits 16:9? (a) a square profile picture (b) an upright phone screen (c) an older TV screen (d) a widescreen TV
26. 26.🟦 An image is 360 pixels wide and 350 pixels tall. How many pixels does it have in all?
27. 27.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
29. 29.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
30. 30.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
32. 32.🟦 An image is 320 pixels wide and 160 pixels tall. How many pixels does it have in all?
33. 33.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
34. 34.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
36. 36.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
37. 37.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
38. 38.🟦 A 4:3 video frame is 720 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.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1

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