Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 758 · 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.🟦 An image is 80 pixels wide and 180 pixels tall. How many pixels does it have in all?
2. 2.Which of these best fits 16:9? (a) a widescreen slide (b) an older TV screen (c) a phone story clip (d) a square profile picture
3. 3.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
4. 4.🟦 An image is 30 pixels wide and 150 pixels tall. How many pixels does it have in all?
5. 5.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
7. 7.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
9. 9.🟦 An image is 70 pixels wide and 300 pixels tall. How many pixels does it have in all?
10. 10.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
11. 11.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.Which of these best fits 16:9? (a) a phone story clip (b) an upright phone screen (c) an album cover (d) a laptop film screen
13. 13.🟦 You shrink a 380 × 760 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
15. 15.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size
16. 16.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
17. 17.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
18. 18.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
20. 20.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
21. 21.🟦 You shrink a 280 × 240 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 An image is 300 × 200 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
23. 23.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
25. 25.🟦 You shrink a 40 × 60 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
28. 28.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
29. 29.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
30. 30.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
31. 31.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
33. 33.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
34. 34.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
35. 35.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
36. 36.Which of these best fits 4:3? (a) a phone story clip (b) a widescreen TV (c) a classic tablet screen (d) a widescreen slide
37. 37.🟦 An image is 370 pixels wide and 90 pixels tall. How many pixels does it have in all?
38. 38.🟦 You shrink a 420 × 760 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?

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