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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 362 · 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 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 An image is 150 pixels wide and 60 pixels tall. How many pixels does it have in all?
  3. 3.🟦 You shrink a 400 × 60 pixel image to half its width and half its height. How many pixels does it have now?
  4. 4.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
  6. 6.🟦 An image is 340 pixels wide and 40 pixels tall. How many pixels does it have in all?
  7. 7.🟦 An image is 230 pixels wide and 250 pixels tall. How many pixels does it have in all?
  8. 8.🟦 You shrink a 60 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.Which of these best fits 4:3? (a) a landscape video (b) an older TV screen (c) a phone story clip (d) a square sticker
  10. 10.🟦 An image is 210 pixels wide and 330 pixels tall. How many pixels does it have in all?
  11. 11.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  12. 12.🟦 You shrink a 540 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  13. 13.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  14. 14.Which of these best fits 16:9? (a) a square sticker (b) a phone story clip (c) an old-style monitor (d) a landscape video
  15. 15.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  16. 16.🟦 An image is 370 pixels wide and 100 pixels tall. How many pixels does it have in all?
  17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  18. 18.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
  19. 19.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
  20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  21. 21.Which of these best fits 1:1? (a) a widescreen slide (b) a landscape video (c) a square profile picture (d) an upright phone screen
  22. 22.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
  23. 23.🟦 An image is 210 pixels wide and 400 pixels tall. How many pixels does it have in all?
  24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  25. 25.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  26. 26.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  27. 27.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 You shrink a 200 × 680 pixel image to half its width and half its height. How many pixels does it have now?
  29. 29.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.🟦 You shrink a 580 × 480 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 You shrink a 260 × 460 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  33. 33.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
  35. 35.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) wider than it is tall (d) round
  36. 36.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  37. 37.Which of these best fits 1:1? (a) a landscape video (b) an album cover (c) a tall phone video (d) a widescreen slide
  38. 38.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
  40. 40.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 8
  2. 9000
  3. 6000
  4. 1
  5. a tiny dot of colour
  6. 13600
  7. 57500
  8. 2400
  9. an older TV screen
  10. 69300
  11. 4:3
  12. 51300
  13. 1:1
  14. a landscape video
  15. 9:16
  16. 37000
  17. 1350
  18. 600
  19. 960
  20. 300
  21. a square profile picture
  22. 570
  23. 84000
  24. 1500
  25. 16:9
  26. 4:3
  27. 5
  28. 34000
  29. 1.5
  30. 69600
  31. 29900
  32. 600
  33. 4
  34. 210
  35. wider than it is tall
  36. 1:1
  37. an album cover
  38. 2
  39. 160
  40. 3

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