Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 954 · 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 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a font size (d) a sound
3. 3.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
4. 4.🟦 An image is 230 pixels wide and 140 pixels tall. How many pixels does it have in all?
5. 5.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
6. 6.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
7. 7.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
8. 8.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
11. 11.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
13. 13.🟦 An image is 320 pixels wide and 350 pixels tall. How many pixels does it have in all?
14. 14.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
15. 15.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
16. 16.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
17. 17.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
18. 18.Which of these best fits 1:1? (a) a landscape video (b) a widescreen TV (c) a square post (d) an older TV screen
19. 19.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
20. 20.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
21. 21.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
22. 22.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) wider than it is tall (d) taller than wide
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
24. 24.🟦 You shrink a 100 × 620 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
26. 26.🟦 An image is 130 pixels wide and 230 pixels tall. How many pixels does it have in all?
27. 27.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
28. 28.🟦 An image is 280 pixels wide and 130 pixels tall. How many pixels does it have in all?
29. 29.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
30. 30.🟦 You shrink an 800 × 300 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
32. 32.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
33. 33.🟦 An image is 20 pixels wide and 370 pixels tall. How many pixels does it have in all?
34. 34.Which of these best fits 1:1? (a) a tall phone video (b) a square profile picture (c) a classic tablet screen (d) a phone story clip
35. 35.Which of these best fits 16:9? (a) a landscape video (b) a classic tablet screen (c) a tall phone video (d) a square post
36. 36.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
37. 37.Which of these best fits 9:16? (a) an older TV screen (b) an old-style monitor (c) a square profile picture (d) an upright phone screen
38. 38.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
40. 40.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3

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