Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 554 · 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 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.Which of these best fits 16:9? (a) a classic tablet screen (b) a landscape video (c) a square sticker (d) a phone story clip
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
5. 5.Which of these best fits 9:16? (a) an old-style monitor (b) a square post (c) a tall phone video (d) an album cover
6. 6.🟦 You shrink a 520 × 520 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
8. 8.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
9. 9.Which of these best fits 1:1? (a) a widescreen slide (b) a square sticker (c) a classic tablet screen (d) a phone story clip
10. 10.🟦 An image is 60 pixels wide and 30 pixels tall. How many pixels does it have in all?
11. 11.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
12. 12.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
13. 13.🟦 An image is 270 pixels wide and 160 pixels tall. How many pixels does it have in all?
14. 14.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
15. 15.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
16. 16.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
17. 17.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
18. 18.🟦 You shrink a 40 × 160 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
20. 20.🟦 An image is 110 pixels wide and 290 pixels tall. How many pixels does it have in all?
21. 21.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
22. 22.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
23. 23.Which of these best fits 9:16? (a) a widescreen TV (b) a phone story clip (c) a square profile picture (d) an older TV screen
24. 24.Which of these best fits 4:3? (a) a square profile picture (b) a phone story clip (c) an upright phone screen (d) an old-style monitor
25. 25.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 You shrink a 240 × 660 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
28. 28.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
29. 29.🟦 You shrink a 420 × 780 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
31. 31.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
32. 32.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
33. 33.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
34. 34.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
35. 35.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
37. 37.🟦 You shrink an 800 × 760 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 You shrink a 240 × 680 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 You shrink a 580 × 360 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?

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