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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 344 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  2. 2.🟦 An image is 190 pixels wide and 180 pixels tall. How many pixels does it have in all?
  3. 3.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
  4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) longer (d) louder
  5. 5.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  7. 7.🟦 You shrink a 560 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  9. 9.🟦 You shrink a 420 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  10. 10.🟦 An image is 300 pixels wide and 120 pixels tall. How many pixels does it have in all?
  11. 11.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  12. 12.Which of these best fits 16:9? (a) a tall phone video (b) a classic tablet screen (c) a square post (d) a laptop film screen
  13. 13.🟦 An image is 400 pixels wide and 240 pixels tall. How many pixels does it have in all?
  14. 14.🟦 An image is 280 pixels wide and 60 pixels tall. How many pixels does it have in all?
  15. 15.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
  17. 17.🟦 An image is 140 pixels wide and 100 pixels tall. How many pixels does it have in all?
  18. 18.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  19. 19.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  20. 20.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
  21. 21.Which of these best fits 1:1? (a) a phone story clip (b) an older TV screen (c) a widescreen slide (d) a square post
  22. 22.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 An image is 270 pixels wide and 270 pixels tall. How many pixels does it have in all?
  24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  25. 25.Which of these best fits 4:3? (a) a widescreen slide (b) an older TV screen (c) a laptop film screen (d) a landscape video
  26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  27. 27.Which of these best fits 4:3? (a) a widescreen TV (b) an album cover (c) a classic tablet screen (d) a landscape video
  28. 28.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
  30. 30.🟦 You shrink a 580 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 An image is 160 pixels wide and 80 pixels tall. How many pixels does it have in all?
  32. 32.Which of these best fits 4:3? (a) an upright phone screen (b) a tall phone video (c) an album cover (d) an old-style monitor
  33. 33.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
  34. 34.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  36. 36.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
  37. 37.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  38. 38.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
  39. 39.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
  40. 40.Which of these best fits 1:1? (a) a widescreen slide (b) a square sticker (c) a laptop film screen (d) an older TV screen

Answer key

  1. 16:9
  2. 34200
  3. 270
  4. blocky (pixelated)
  5. 3:2
  6. 3600
  7. 92400
  8. 9:16
  9. 29400
  10. 36000
  11. 16:9
  12. a laptop film screen
  13. 96000
  14. 16800
  15. 10
  16. 3360
  17. 14000
  18. 10
  19. 1:1
  20. the number of pixels
  21. a square post
  22. 7
  23. 72900
  24. 900
  25. an older TV screen
  26. 1050
  27. a classic tablet screen
  28. 6
  29. 2160
  30. 23200
  31. 12800
  32. an old-style monitor
  33. 360
  34. 4
  35. 300
  36. squashed or wide
  37. 9:16
  38. 1120
  39. 60
  40. a square sticker

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