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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 738 · 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 aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  2. 2.🟦 An image is 330 pixels wide and 50 pixels tall. How many pixels does it have in all?
  3. 3.🟦 An image is 350 pixels wide and 50 pixels tall. How many pixels does it have in all?
  4. 4.🟦 You shrink a 140 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
  6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  7. 7.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
  8. 8.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
  9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  10. 10.Which of these best fits 9:16? (a) an album cover (b) an upright phone screen (c) an old-style monitor (d) a classic tablet screen
  11. 11.Which of these best fits 4:3? (a) an album cover (b) an upright phone screen (c) a widescreen TV (d) an older TV screen
  12. 12.Which of these best fits 1:1? (a) a landscape video (b) a phone story clip (c) a square sticker (d) an old-style monitor
  13. 13.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  14. 14.Which of these best fits 4:3? (a) a widescreen TV (b) an old-style monitor (c) a laptop film screen (d) a phone story clip
  15. 15.🟦 You shrink an 80 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.Which of these best fits 9:16? (a) a landscape video (b) a widescreen slide (c) a square profile picture (d) a tall phone video
  18. 18.🟦 A 16:9 video frame is 1800 pixels tall. How many pixels wide is it?
  19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  20. 20.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
  21. 21.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  22. 22.🟦 You shrink a 660 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 An image is 350 pixels wide and 150 pixels tall. How many pixels does it have in all?
  24. 24.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  25. 25.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  27. 27.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
  28. 28.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  29. 29.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
  30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  31. 31.🟦 An image is 390 pixels wide and 60 pixels tall. How many pixels does it have in all?
  32. 32.🟦 An image is 250 pixels wide and 270 pixels tall. How many pixels does it have in all?
  33. 33.Which of these best fits 9:16? (a) a widescreen slide (b) a square sticker (c) a phone story clip (d) an older TV screen
  34. 34.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  35. 35.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) squashed or wide (d) sharper
  36. 36.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  37. 37.🟦 You shrink a 760 × 760 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 You shrink a 200 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 An image is 380 pixels wide and 220 pixels tall. How many pixels does it have in all?

Answer key

  1. 1:1
  2. 16500
  3. 17500
  4. 7700
  5. wider than it is tall
  6. 600
  7. a tiny dot of colour
  8. 3040
  9. 1200
  10. an upright phone screen
  11. an older TV screen
  12. a square sticker
  13. 4:3
  14. an old-style monitor
  15. 12000
  16. 4
  17. a tall phone video
  18. 3200
  19. 1800
  20. 960
  21. 16:9
  22. 115500
  23. 52500
  24. 9:16
  25. 7.5
  26. 3000
  27. 640
  28. 4:3
  29. 1800
  30. 3300
  31. 23400
  32. 67500
  33. a phone story clip
  34. 16:9
  35. squashed or wide
  36. 16:9
  37. 144400
  38. 8
  39. 19000
  40. 83600

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