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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 387 · 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 type of paper (b) a font size (c) a sound (d) a tiny dot of colour
  2. 2.🟦 An image is 160 pixels wide and 210 pixels tall. How many pixels does it have in all?
  3. 3.🟦 An image is 200 × 200 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  4. 4.🟦 An image is 100 pixels wide and 330 pixels tall. How many pixels does it have in all?
  5. 5.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  6. 6.🟦 You shrink a 140 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  10. 10.Which of these best fits 9:16? (a) an album cover (b) an upright phone screen (c) a classic tablet screen (d) a square post
  11. 11.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  12. 12.Which of these best fits 9:16? (a) a widescreen slide (b) a widescreen TV (c) a tall phone video (d) a square profile picture
  13. 13.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  14. 14.🟦 An image is 260 pixels wide and 80 pixels tall. How many pixels does it have in all?
  15. 15.Which of these best fits 4:3? (a) an older TV screen (b) a phone story clip (c) a square post (d) a square sticker
  16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  17. 17.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 You shrink a 500 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  19. 19.🟦 You shrink a 300 × 680 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 You shrink a 40 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
  23. 23.🟦 You shrink a 700 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  25. 25.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  26. 26.Which of these best fits 9:16? (a) a phone story clip (b) a classic tablet screen (c) a landscape video (d) a square profile picture
  27. 27.Which of these best fits 16:9? (a) a classic tablet screen (b) a landscape video (c) an older TV screen (d) an upright phone screen
  28. 28.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  29. 29.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  30. 30.🟦 You shrink a 600 × 460 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.Which of these best fits 1:1? (a) a phone story clip (b) a square sticker (c) an older TV screen (d) a classic tablet screen
  33. 33.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 An image is 110 × 110 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  37. 37.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  38. 38.🟦 An image is 400 pixels wide and 360 pixels tall. How many pixels does it have in all?
  39. 39.🟦 An image is 300 pixels wide and 270 pixels tall. How many pixels does it have in all?
  40. 40.🟦 You shrink a 100 × 180 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. a tiny dot of colour
  2. 33600
  3. 1:1
  4. 33000
  5. 3:2
  6. 22400
  7. 1:1
  8. 450
  9. 900
  10. an upright phone screen
  11. 9:16
  12. a tall phone video
  13. 16:9
  14. 20800
  15. an older TV screen
  16. 1050
  17. 4
  18. 10000
  19. 51000
  20. 6
  21. 2200
  22. 960
  23. 42000
  24. 16:9
  25. 9:16
  26. a phone story clip
  27. a landscape video
  28. 16:9
  29. 4:3
  30. 69000
  31. 2.5
  32. a square sticker
  33. 12.5
  34. 21
  35. 16
  36. 1:1
  37. 640
  38. 144000
  39. 81000
  40. 4500

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