Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 50 · 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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
2. 2.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
3. 3.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
4. 4.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
5. 5.Which of these best fits 4:3? (a) a classic tablet screen (b) a tall phone video (c) an upright phone screen (d) a square sticker
6. 6.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
7. 7.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size
9. 9.🟦 An image is 100 pixels wide and 20 pixels tall. How many pixels does it have in all?
10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) longer (d) louder
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 120 pixels wide and 360 pixels tall. How many pixels does it have in all?
13. 13.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 You shrink a 320 × 140 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
16. 16.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
17. 17.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
18. 18.Which of these best fits 4:3? (a) an older TV screen (b) a square profile picture (c) a widescreen slide (d) a square sticker
19. 19.Which of these best fits 4:3? (a) a phone story clip (b) an old-style monitor (c) a square profile picture (d) a widescreen TV
20. 20.🟦 You shrink a 40 × 460 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 You shrink a 40 × 260 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
24. 24.🟦 You shrink a 760 × 120 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
26. 26.🟦 An image is 200 pixels wide and 280 pixels tall. How many pixels does it have in all?
27. 27.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
28. 28.🟦 A photo is 4000 × 1500 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 an 8-inch-wide print?
30. 30.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
31. 31.Which of these best fits 1:1? (a) a widescreen slide (b) a square post (c) a landscape video (d) an old-style monitor
32. 32.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
33. 33.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
34. 34.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
35. 35.Which of these best fits 16:9? (a) an upright phone screen (b) an older TV screen (c) an old-style monitor (d) a widescreen slide
36. 36.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
37. 37.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
38. 38.Which of these best fits 9:16? (a) a widescreen TV (b) an album cover (c) a square profile picture (d) a phone story clip
39. 39.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?

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