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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 350 · 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 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
  3. 3.Which of these best fits 1:1? (a) a widescreen slide (b) a widescreen TV (c) a laptop film screen (d) a square post
  4. 4.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
  6. 6.Which of these best fits 16:9? (a) a square post (b) a widescreen TV (c) a square sticker (d) a tall phone video
  7. 7.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
  8. 8.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  9. 9.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  11. 11.🟦 You shrink a 160 × 740 pixel image to half its width and half its height. How many pixels does it have now?
  12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  13. 13.Which of these best fits 4:3? (a) a phone story clip (b) a square profile picture (c) an older TV screen (d) an upright phone screen
  14. 14.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  15. 15.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
  16. 16.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  17. 17.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 An image is 50 pixels wide and 80 pixels tall. How many pixels does it have in all?
  19. 19.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
  20. 20.🟦 You shrink a 320 × 800 pixel image to half its width and half its height. How many pixels does it have now?
  21. 21.🟦 You shrink a 100 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
  23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  24. 24.🟦 An image is 210 pixels wide and 90 pixels tall. How many pixels does it have in all?
  25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  26. 26.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  27. 27.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  29. 29.🟦 You shrink a 200 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  31. 31.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  32. 32.🟦 An image is 280 pixels wide and 130 pixels tall. How many pixels does it have in all?
  33. 33.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.Which of these best fits 16:9? (a) an old-style monitor (b) an older TV screen (c) a landscape video (d) a tall phone video
  35. 35.🟦 You shrink a 780 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 An image is 250 pixels wide and 210 pixels tall. How many pixels does it have in all?
  37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  39. 39.🟦 You shrink a 40 × 300 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 12
  2. wider than it is tall
  3. a square post
  4. 4
  5. a tiny dot of colour
  6. a widescreen TV
  7. squashed or wide
  8. 4:3
  9. 8
  10. 1:1
  11. 29600
  12. 450
  13. an older TV screen
  14. 9:16
  15. 1760
  16. 1:1
  17. 7
  18. 4000
  19. 240
  20. 64000
  21. 3000
  22. 330
  23. 1200
  24. 18900
  25. 1350
  26. 4:3
  27. 6
  28. 640
  29. 12000
  30. 1:1
  31. 4:3
  32. 36400
  33. 3
  34. a landscape video
  35. 109200
  36. 52500
  37. 1650
  38. 1200
  39. 3000
  40. 6

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