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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 57 · 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.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
  3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
  6. 6.Which of these best fits 4:3? (a) an older TV screen (b) a square profile picture (c) a tall phone video (d) a widescreen TV
  7. 7.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  8. 8.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
  10. 10.🟦 An image is 30 pixels wide and 220 pixels tall. How many pixels does it have in all?
  11. 11.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  12. 12.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  14. 14.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
  16. 16.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
  17. 17.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  19. 19.🟦 You shrink a 440 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
  21. 21.🟦 An image is 40 pixels wide and 70 pixels tall. How many pixels does it have in all?
  22. 22.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  23. 23.🟦 You shrink a 740 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.Which of these best fits 16:9? (a) an upright phone screen (b) a widescreen slide (c) a tall phone video (d) a square profile picture
  25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  26. 26.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  27. 27.Which of these best fits 16:9? (a) a square sticker (b) an album cover (c) a laptop film screen (d) a classic tablet screen
  28. 28.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
  29. 29.🟦 You shrink a 500 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  31. 31.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?
  32. 32.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
  33. 33.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  34. 34.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.Which of these best fits 4:3? (a) a phone story clip (b) a square sticker (c) a tall phone video (d) an old-style monitor
  37. 37.🟦 You shrink a 240 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) squashed or wide (d) more colourful
  39. 39.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a sound (d) a font size

Answer key

  1. 5
  2. the number of pixels
  3. 1200
  4. 450
  5. blocky (pixelated)
  6. an older TV screen
  7. 4:3
  8. 1.5
  9. 1280
  10. 6600
  11. 9:16
  12. 3
  13. 1650
  14. 12
  15. wider than it is tall
  16. 1710
  17. 2
  18. 16:9
  19. 19800
  20. 360
  21. 2800
  22. 4:3
  23. 122100
  24. a widescreen slide
  25. 1500
  26. 3:2
  27. a laptop film screen
  28. 3680
  29. 35000
  30. 2400
  31. 720
  32. a tall phone video
  33. 3:2
  34. 9
  35. 24
  36. an old-style monitor
  37. 13200
  38. squashed or wide
  39. 9
  40. a tiny dot of colour

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