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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 709 · 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 130 pixels wide and 260 pixels tall. How many pixels does it have in all?
  2. 2.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
  3. 3.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  4. 4.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.🟦 You shrink an 80 × 460 pixel image to half its width and half its height. How many pixels does it have now?
  6. 6.Which of these best fits 9:16? (a) a square post (b) an older TV screen (c) a phone story clip (d) a landscape video
  7. 7.🟦 You shrink a 100 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  11. 11.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
  12. 12.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  13. 13.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  14. 14.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 You shrink a 220 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  17. 17.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  18. 18.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  19. 19.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  21. 21.Which of these best fits 4:3? (a) a square sticker (b) a widescreen TV (c) an upright phone screen (d) an older TV screen
  22. 22.🟦 An image is 100 pixels wide and 30 pixels tall. How many pixels does it have in all?
  23. 23.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) longer (d) louder
  24. 24.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  25. 25.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
  26. 26.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
  27. 27.🟦 An image is 170 pixels wide and 70 pixels tall. How many pixels does it have in all?
  28. 28.🟦 An image is 160 pixels wide and 390 pixels tall. How many pixels does it have in all?
  29. 29.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) a perfect square (d) round
  31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  33. 33.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
  34. 34.🟦 An image is 370 pixels wide and 110 pixels tall. How many pixels does it have in all?
  35. 35.Which of these best fits 1:1? (a) an upright phone screen (b) an album cover (c) a widescreen TV (d) an old-style monitor
  36. 36.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  37. 37.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  38. 38.Which of these best fits 16:9? (a) an upright phone screen (b) a widescreen TV (c) an older TV screen (d) a phone story clip
  39. 39.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  40. 40.🟦 An image is 40 pixels wide and 90 pixels tall. How many pixels does it have in all?

Answer key

  1. 33800
  2. squashed or wide
  3. 4:3
  4. 6
  5. 9200
  6. a phone story clip
  7. 14000
  8. 10
  9. 5
  10. 1
  11. 1980
  12. 16:9
  13. 1:1
  14. 12
  15. 5500
  16. 1350
  17. 1:1
  18. 16:9
  19. 5
  20. 1650
  21. an older TV screen
  22. 3000
  23. blocky (pixelated)
  24. 4:3
  25. 200
  26. 2070
  27. 11900
  28. 62400
  29. 8
  30. wider than it is tall
  31. 3600
  32. 900
  33. a tiny dot of colour
  34. 40700
  35. an album cover
  36. 16:9
  37. 1:1
  38. a widescreen TV
  39. 9:16
  40. 3600

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