Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 883 · 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 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round
3. 3.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) exactly the same (d) more colourful
4. 4.Which of these best fits 9:16? (a) an upright phone screen (b) a square profile picture (c) a square sticker (d) a widescreen slide
5. 5.🟦 You shrink a 720 × 560 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
7. 7.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
8. 8.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
9. 9.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 An image is 180 pixels wide and 310 pixels tall. How many pixels does it have in all?
11. 11.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
13. 13.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 You shrink a 580 × 360 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 An image is 90 pixels wide and 130 pixels tall. How many pixels does it have in all?
16. 16.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a font size (d) a sound
18. 18.🟦 An image is 390 pixels wide and 240 pixels tall. How many pixels does it have in all?
19. 19.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 An image is 70 pixels wide and 70 pixels tall. How many pixels does it have in all?
21. 21.🟦 An image is 250 pixels wide and 30 pixels tall. How many pixels does it have in all?
22. 22.🟦 An image is 180 pixels wide and 360 pixels tall. How many pixels does it have in all?
23. 23.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.Which of these best fits 16:9? (a) a square sticker (b) a widescreen TV (c) an upright phone screen (d) a square profile picture
25. 25.🟦 You shrink a 400 × 280 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
27. 27.Which of these best fits 9:16? (a) a phone story clip (b) a classic tablet screen (c) a widescreen TV (d) a square post
28. 28.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
29. 29.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
30. 30.Which of these best fits 9:16? (a) an album cover (b) an older TV screen (c) a tall phone video (d) a widescreen slide
31. 31.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 You shrink a 40 × 340 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 You shrink a 60 × 40 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
36. 36.🟦 You shrink an 80 × 180 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
38. 38.🟦 You shrink a 520 × 60 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.Which of these best fits 16:9? (a) a phone story clip (b) a landscape video (c) an older TV screen (d) a square profile picture
40. 40.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2

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