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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 574 · 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.Which of these best fits 4:3? (a) a phone story clip (b) an album cover (c) an old-style monitor (d) an upright phone screen
  2. 2.🟦 You shrink a 100 × 460 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 A 4:3 video frame is 540 pixels tall. How many pixels wide is it?
  4. 4.🟦 You shrink a 500 × 260 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  6. 6.Which of these best fits 9:16? (a) a square profile picture (b) an old-style monitor (c) an upright phone screen (d) a square sticker
  7. 7.🟦 You shrink a 600 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.Which of these best fits 1:1? (a) a square sticker (b) a laptop film screen (c) a landscape video (d) a widescreen slide
  10. 10.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) taller than wide (d) a perfect square
  11. 11.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  12. 12.🟦 An image is 20 pixels wide and 30 pixels tall. How many pixels does it have in all?
  13. 13.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.🟦 You shrink a 640 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  15. 15.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  16. 16.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
  17. 17.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a font size (d) a sound
  18. 18.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen slide (c) a square post (d) a widescreen TV
  19. 19.🟦 You shrink a 780 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.Which of these best fits 16:9? (a) a classic tablet screen (b) a phone story clip (c) a tall phone video (d) a widescreen slide
  21. 21.🟦 An image is 260 pixels wide and 200 pixels tall. How many pixels does it have in all?
  22. 22.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  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.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  28. 28.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  30. 30.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  31. 31.Which of these best fits 9:16? (a) an old-style monitor (b) a landscape video (c) a tall phone video (d) a classic tablet screen
  32. 32.🟦 An image is 570 × 380 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  33. 33.🟦 An image is 380 pixels wide and 400 pixels tall. How many pixels does it have in all?
  34. 34.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  35. 35.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  36. 36.🟦 You shrink an 800 × 760 pixel image to half its width and half its height. How many pixels does it have now?
  37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  38. 38.🟦 An image is 150 pixels wide and 310 pixels tall. How many pixels does it have in all?
  39. 39.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  40. 40.🟦 You shrink a 120 × 580 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. an old-style monitor
  2. 11500
  3. 720
  4. 32500
  5. 1
  6. an upright phone screen
  7. 36000
  8. 14
  9. a square sticker
  10. wider than it is tall
  11. 4:3
  12. 600
  13. 8
  14. 89600
  15. 4:3
  16. 160
  17. a tiny dot of colour
  18. a square post
  19. 23400
  20. a widescreen slide
  21. 52000
  22. 4:3
  23. 2100
  24. 450
  25. 1350
  26. 6
  27. 1:1
  28. 3
  29. 1800
  30. 1:1
  31. a tall phone video
  32. 3:2
  33. 152000
  34. 4:3
  35. 16:9
  36. 152000
  37. 1200
  38. 46500
  39. 16:9
  40. 17400

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