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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 80 · 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.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
  2. 2.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  4. 4.Which of these best fits 4:3? (a) an album cover (b) a square post (c) an older TV screen (d) a widescreen slide
  5. 5.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
  6. 6.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  7. 7.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  8. 8.🟦 You shrink a 140 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.Which of these best fits 1:1? (a) a landscape video (b) an upright phone screen (c) a phone story clip (d) an album cover
  10. 10.🟦 You shrink a 460 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  12. 12.🟦 An image is 150 pixels wide and 400 pixels tall. How many pixels does it have in all?
  13. 13.🟦 You shrink a 280 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  14. 14.🟦 A 4:3 video frame is 540 pixels tall. How many pixels wide is it?
  15. 15.🟦 An image is 180 pixels wide and 350 pixels tall. How many pixels does it have in all?
  16. 16.🟦 You shrink a 600 × 480 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 An image is 370 pixels wide and 260 pixels tall. How many pixels does it have in all?
  18. 18.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  19. 19.Which of these best fits 4:3? (a) a widescreen TV (b) an old-style monitor (c) a phone story clip (d) an upright phone screen
  20. 20.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) more colourful (d) sharper
  21. 21.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  22. 22.🟦 An image is 80 pixels wide and 360 pixels tall. How many pixels does it have in all?
  23. 23.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
  24. 24.🟦 An image is 280 pixels wide and 400 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 6-inch-wide print?
  26. 26.Which of these best fits 9:16? (a) a landscape video (b) a square sticker (c) a square post (d) a phone story clip
  27. 27.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
  28. 28.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 A photo is 1000 × 1000 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.🟦 You shrink a 480 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.Which of these best fits 4:3? (a) a widescreen TV (b) a landscape video (c) a tall phone video (d) a classic tablet screen
  33. 33.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  34. 34.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  35. 35.🟦 An image is 340 pixels wide and 20 pixels tall. How many pixels does it have in all?
  36. 36.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  37. 37.Which of these best fits 16:9? (a) a landscape video (b) an old-style monitor (c) a square profile picture (d) an album cover
  38. 38.Which of these best fits 16:9? (a) a square profile picture (b) an album cover (c) an older TV screen (d) a widescreen slide
  39. 39.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?

Answer key

  1. a tiny dot of colour
  2. 10
  3. 1:1
  4. an older TV screen
  5. 960
  6. 16:9
  7. 4:3
  8. 6300
  9. an album cover
  10. 36800
  11. 3000
  12. 60000
  13. 30800
  14. 720
  15. 63000
  16. 72000
  17. 96200
  18. 4:3
  19. an old-style monitor
  20. squashed or wide
  21. 9:16
  22. 28800
  23. 3680
  24. 112000
  25. 900
  26. a phone story clip
  27. 210
  28. 5
  29. 1
  30. 1500
  31. 62400
  32. a classic tablet screen
  33. 9:16
  34. 4:3
  35. 6800
  36. 1:1
  37. a landscape video
  38. a widescreen slide
  39. 1:1
  40. 1050

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