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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 512 · 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 600 × 60 pixel image to half its width and half its height. How many pixels does it have now?
  2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  3. 3.🟦 You shrink a 660 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  4. 4.Which of these best fits 4:3? (a) a widescreen TV (b) an old-style monitor (c) a widescreen slide (d) an album cover
  5. 5.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
  6. 6.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) exactly the same (d) sharper
  7. 7.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  9. 9.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
  10. 10.🟦 An image is 320 pixels wide and 220 pixels tall. How many pixels does it have in all?
  11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  12. 12.Which of these best fits 1:1? (a) an upright phone screen (b) a laptop film screen (c) an older TV screen (d) a square sticker
  13. 13.Which of these best fits 9:16? (a) a widescreen slide (b) a classic tablet screen (c) a square sticker (d) an upright phone screen
  14. 14.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  15. 15.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  17. 17.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the file name (d) the number of pixels
  18. 18.Which of these best fits 16:9? (a) an album cover (b) a classic tablet screen (c) a square sticker (d) a widescreen TV
  19. 19.Which of these best fits 16:9? (a) a square post (b) an old-style monitor (c) a widescreen slide (d) a classic tablet screen
  20. 20.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  22. 22.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  23. 23.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
  24. 24.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  25. 25.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
  26. 26.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
  27. 27.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  28. 28.🟦 You shrink a 240 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  29. 29.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  30. 30.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
  31. 31.🟦 An image is 190 pixels wide and 100 pixels tall. How many pixels does it have in all?
  32. 32.🟦 You shrink a 240 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  33. 33.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  35. 35.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  36. 36.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
  37. 37.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  38. 38.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  40. 40.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 9000
  2. 1500
  3. 95700
  4. an old-style monitor
  5. a tiny dot of colour
  6. squashed or wide
  7. 6
  8. 1:1
  9. blocky (pixelated)
  10. 70400
  11. 1500
  12. a square sticker
  13. an upright phone screen
  14. 3:2
  15. 16:9
  16. 300
  17. the number of pixels
  18. a widescreen TV
  19. a widescreen slide
  20. 12
  21. 10
  22. 4:3
  23. 2160
  24. 16:9
  25. 880
  26. 90
  27. 1:1
  28. 26400
  29. 16:9
  30. 810
  31. 19000
  32. 19200
  33. 12
  34. 1650
  35. 3:2
  36. wider than it is tall
  37. 1:1
  38. 16:9
  39. 3600
  40. 15

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