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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 30 · 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.🟦 You shrink a 540 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  2. 2.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
  4. 4.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  5. 5.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
  6. 6.🟦 You shrink a 200 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.Which of these best fits 9:16? (a) a square sticker (b) an upright phone screen (c) an old-style monitor (d) a classic tablet screen
  8. 8.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  9. 9.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
  10. 10.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  11. 11.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  12. 12.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
  13. 13.🟦 An image is 210 pixels wide and 240 pixels tall. How many pixels does it have in all?
  14. 14.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
  15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  16. 16.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  17. 17.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  18. 18.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  19. 19.🟦 You shrink a 180 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  21. 21.🟦 You shrink a 660 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
  24. 24.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  25. 25.🟦 You shrink a 140 × 220 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 paper colour (c) the font (d) the number of pixels
  27. 27.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  28. 28.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  29. 29.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  31. 31.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
  32. 32.🟦 You shrink a 280 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  33. 33.🟦 An image is 360 pixels wide and 380 pixels tall. How many pixels does it have in all?
  34. 34.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  35. 35.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  36. 36.Which of these best fits 4:3? (a) an upright phone screen (b) a landscape video (c) an older TV screen (d) a tall phone video
  37. 37.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  38. 38.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  40. 40.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) sharper (d) louder

Answer key

  1. 24300
  2. 1.5
  3. 420
  4. 4:3
  5. 1080
  6. 32000
  7. an upright phone screen
  8. 4:3
  9. 90
  10. 6
  11. 9:16
  12. 3680
  13. 50400
  14. 600
  15. 600
  16. 4:3
  17. 1:1
  18. 16:9
  19. 25200
  20. 1200
  21. 108900
  22. 9
  23. a tiny dot of colour
  24. 1:1
  25. 7700
  26. the number of pixels
  27. 1:1
  28. 16:9
  29. 5
  30. 1500
  31. squashed or wide
  32. 16800
  33. 136800
  34. 1:1
  35. 4:3
  36. an older TV screen
  37. 4:3
  38. 7.5
  39. 2100
  40. blocky (pixelated)

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