Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 77 · 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.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) sharper (d) more colourful
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
3. 3.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 You shrink a 500 × 500 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.Which of these best fits 4:3? (a) a landscape video (b) an upright phone screen (c) a square sticker (d) an old-style monitor
6. 6.🟦 You shrink a 100 × 640 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.Which of these best fits 9:16? (a) a square post (b) an old-style monitor (c) a phone story clip (d) a landscape video
8. 8.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
10. 10.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
11. 11.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
12. 12.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
14. 14.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
15. 15.🟦 You shrink a 740 × 240 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 An image is 310 pixels wide and 360 pixels tall. How many pixels does it have in all?
17. 17.🟦 You shrink a 260 × 800 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
19. 19.Which of these best fits 16:9? (a) a tall phone video (b) a square sticker (c) a landscape video (d) a classic tablet screen
20. 20.Which of these best fits 4:3? (a) a laptop film screen (b) a landscape video (c) a classic tablet screen (d) a widescreen TV
21. 21.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
22. 22.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
24. 24.Which of these best fits 1:1? (a) an older TV screen (b) a phone story clip (c) a square post (d) a widescreen TV
25. 25.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
26. 26.🟦 You shrink a 720 × 400 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
28. 28.Which of these best fits 16:9? (a) an upright phone screen (b) a square post (c) a laptop film screen (d) a phone story clip
29. 29.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
30. 30.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
31. 31.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
33. 33.🟦 An image is 70 pixels wide and 190 pixels tall. How many pixels does it have in all?
34. 34.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
37. 37.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
38. 38.🟦 An image is 100 pixels wide and 250 pixels tall. How many pixels does it have in all?
39. 39.🟦 You shrink a 100 × 200 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 You shrink a 500 × 380 pixel image to half its width and half its height. How many pixels does it have now?

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