Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 392 · 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.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
2. 2.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
5. 5.🟦 You shrink a 160 × 40 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 You shrink a 360 × 100 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 An image is 60 pixels wide and 30 pixels tall. How many pixels does it have in all?
8. 8.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
9. 9.Which of these best fits 16:9? (a) a widescreen slide (b) an upright phone screen (c) a tall phone video (d) a classic tablet screen
10. 10.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.Which of these best fits 4:3? (a) a square sticker (b) a widescreen slide (c) a classic tablet screen (d) a square profile picture
12. 12.Which of these best fits 1:1? (a) a laptop film screen (b) an album cover (c) a widescreen TV (d) an upright phone screen
13. 13.🟦 An image is 120 pixels wide and 200 pixels tall. How many pixels does it have in all?
14. 14.🟦 An image is 40 pixels wide and 320 pixels tall. How many pixels does it have in all?
15. 15.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
17. 17.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
18. 18.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
19. 19.Which of these best fits 1:1? (a) a square post (b) a tall phone video (c) a classic tablet screen (d) a widescreen TV
20. 20.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
21. 21.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
22. 22.🟦 You shrink a 460 × 200 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.Which of these best fits 1:1? (a) a square profile picture (b) a classic tablet screen (c) a widescreen slide (d) a landscape video
24. 24.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
25. 25.🟦 You shrink a 460 × 300 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 200 × 200 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
28. 28.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
29. 29.🟦 You shrink a 380 × 180 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
31. 31.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
32. 32.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
33. 33.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
34. 34.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
35. 35.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
37. 37.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
38. 38.🟦 You shrink an 80 × 400 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 An image is 80 pixels wide and 170 pixels tall. How many pixels does it have in all?
40. 40.Which of these best fits 16:9? (a) a tall phone video (b) a square sticker (c) a widescreen TV (d) an older TV screen

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