Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 891 · 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 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 You shrink a 520 × 220 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
5. 5.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
6. 6.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
8. 8.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
9. 9.Which of these best fits 1:1? (a) a square profile picture (b) a classic tablet screen (c) a widescreen TV (d) a landscape video
10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
11. 11.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
12. 12.🟦 An image is 100 pixels wide and 340 pixels tall. How many pixels does it have in all?
13. 13.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
14. 14.🟦 You shrink a 220 × 380 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
16. 16.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
17. 17.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
18. 18.🟦 An image is 50 pixels wide and 40 pixels tall. How many pixels does it have in all?
19. 19.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
20. 20.🟦 You shrink a 700 × 740 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 An image is 400 pixels wide and 80 pixels tall. How many pixels does it have in all?
22. 22.🟦 You shrink a 220 × 800 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
24. 24.Which of these best fits 9:16? (a) a square post (b) an upright phone screen (c) a landscape video (d) a square sticker
25. 25.🟦 You shrink an 80 × 360 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 You shrink a 320 × 100 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.Which of these best fits 16:9? (a) an old-style monitor (b) a classic tablet screen (c) a square profile picture (d) a widescreen slide
28. 28.🟦 An image is 170 pixels wide and 240 pixels tall. How many pixels does it have in all?
29. 29.🟦 You shrink a 780 × 720 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.Which of these best fits 16:9? (a) an older TV screen (b) a widescreen TV (c) a square post (d) a tall phone video
31. 31.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
33. 33.Which of these best fits 16:9? (a) an old-style monitor (b) a landscape video (c) a square sticker (d) a classic tablet screen
34. 34.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
35. 35.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
36. 36.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
39. 39.Which of these best fits 1:1? (a) a tall phone video (b) a square sticker (c) a widescreen slide (d) a classic tablet screen
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?

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