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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 802 · 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 9:16? (a) a laptop film screen (b) a square post (c) a tall phone video (d) an older TV screen
  2. 2.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
  3. 3.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  4. 4.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  5. 5.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
  6. 6.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  7. 7.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  8. 8.Which of these best fits 1:1? (a) an album cover (b) an upright phone screen (c) a landscape video (d) a tall phone video
  9. 9.🟦 An image is 50 pixels wide and 70 pixels tall. How many pixels does it have in all?
  10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  11. 11.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.Which of these best fits 4:3? (a) an older TV screen (b) an album cover (c) a phone story clip (d) an upright phone screen
  13. 13.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
  14. 14.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
  15. 15.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
  17. 17.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  19. 19.🟦 You shrink a 600 × 500 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 An image is 60 pixels wide and 210 pixels tall. How many pixels does it have in all?
  21. 21.🟦 An image is 2560 × 1440 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  22. 22.Which of these best fits 1:1? (a) a landscape video (b) a widescreen slide (c) a square sticker (d) an old-style monitor
  23. 23.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
  24. 24.🟦 You shrink an 80 × 400 pixel image to half its width and half its height. How many pixels does it have now?
  25. 25.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  26. 26.🟦 An image is 250 pixels wide and 350 pixels tall. How many pixels does it have in all?
  27. 27.Which of these best fits 16:9? (a) an old-style monitor (b) a square post (c) a laptop film screen (d) an album cover
  28. 28.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  29. 29.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  30. 30.🟦 You shrink a 100 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  32. 32.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  34. 34.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
  35. 35.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  36. 36.🟦 You shrink a 320 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  37. 37.🟦 An image is 230 pixels wide and 290 pixels tall. How many pixels does it have in all?
  38. 38.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  39. 39.Which of these best fits 1:1? (a) a square profile picture (b) a laptop film screen (c) a widescreen TV (d) an upright phone screen
  40. 40.🟦 You shrink a 200 × 40 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. a tall phone video
  2. wider than it is tall
  3. 17.5
  4. 4:3
  5. 800
  6. 3:2
  7. 16:9
  8. an album cover
  9. 3500
  10. 600
  11. 3
  12. an older TV screen
  13. squashed or wide
  14. the number of pixels
  15. 10
  16. a tiny dot of colour
  17. 7.5
  18. 300
  19. 75000
  20. 12600
  21. 16:9
  22. a square sticker
  23. 1260
  24. 8000
  25. 4:3
  26. 87500
  27. a laptop film screen
  28. 4:3
  29. 16:9
  30. 13000
  31. 2400
  32. 3.5
  33. 3000
  34. 1280
  35. 3300
  36. 22400
  37. 66700
  38. 4:3
  39. a square profile picture
  40. 2000

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