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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 391 · 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 16:9 video frame is 640 pixels wide. How many pixels tall is it?
  2. 2.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  4. 4.Which of these best fits 9:16? (a) a widescreen TV (b) a tall phone video (c) an old-style monitor (d) an older TV screen
  5. 5.🟦 You shrink a 460 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  6. 6.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
  7. 7.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  8. 8.🟦 You shrink a 540 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  10. 10.Which of these best fits 4:3? (a) a widescreen TV (b) an album cover (c) a tall phone video (d) a classic tablet screen
  11. 11.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
  12. 12.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
  13. 13.🟦 An image is 190 pixels wide and 40 pixels tall. How many pixels does it have in all?
  14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  15. 15.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  16. 16.🟦 You shrink a 540 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 You shrink a 200 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  18. 18.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  19. 19.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  20. 20.🟦 An image is 310 pixels wide and 220 pixels tall. How many pixels does it have in all?
  21. 21.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
  22. 22.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  23. 23.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  24. 24.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  25. 25.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
  26. 26.Which of these best fits 4:3? (a) a landscape video (b) an old-style monitor (c) a widescreen TV (d) an album cover
  27. 27.Which of these best fits 4:3? (a) a landscape video (b) a widescreen TV (c) an older TV screen (d) a square sticker
  28. 28.🟦 An image is 190 pixels wide and 130 pixels tall. How many pixels does it have in all?
  29. 29.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
  30. 30.Which of these best fits 1:1? (a) a laptop film screen (b) a landscape video (c) an album cover (d) a widescreen slide
  31. 31.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  32. 32.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 An image is 110 pixels wide and 30 pixels tall. How many pixels does it have in all?
  34. 34.Which of these best fits 9:16? (a) a widescreen slide (b) an old-style monitor (c) an upright phone screen (d) an older TV screen
  35. 35.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  36. 36.🟦 An image is 300 pixels wide and 30 pixels tall. How many pixels does it have in all?
  37. 37.🟦 An image is 300 pixels wide and 250 pixels tall. How many pixels does it have in all?
  38. 38.Which of these best fits 1:1? (a) a phone story clip (b) a laptop film screen (c) a square sticker (d) a widescreen slide
  39. 39.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?

Answer key

  1. 360
  2. 10.5
  3. 16:9
  4. a tall phone video
  5. 16100
  6. 4:3
  7. 3:2
  8. 86400
  9. 9:16
  10. a classic tablet screen
  11. wider than it is tall
  12. 2400
  13. 7600
  14. 1200
  15. 16:9
  16. 75600
  17. 12000
  18. 4:3
  19. 1:1
  20. 68200
  21. 540
  22. 9:16
  23. 3:2
  24. 16:9
  25. blocky (pixelated)
  26. an old-style monitor
  27. an older TV screen
  28. 24700
  29. squashed or wide
  30. an album cover
  31. 1:1
  32. 20
  33. 3300
  34. an upright phone screen
  35. 4:3
  36. 9000
  37. 75000
  38. a square sticker
  39. 1
  40. 1350

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