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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 666 · 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 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
  3. 3.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) squashed or wide (d) sharper
  4. 4.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  6. 6.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  7. 7.🟦 An image is 3360 × 1890 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 16:9? (a) a widescreen slide (b) a square post (c) an album cover (d) an older TV screen
  9. 9.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  10. 10.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?
  11. 11.🟦 You shrink a 560 × 60 pixel image to half its width and half its height. How many pixels does it have now?
  12. 12.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
  13. 13.🟦 An image is 440 × 330 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  14. 14.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
  15. 15.🟦 An image is 140 pixels wide and 40 pixels tall. How many pixels does it have in all?
  16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  18. 18.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
  19. 19.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  20. 20.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  21. 21.🟦 You shrink a 220 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 You shrink a 180 × 680 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  24. 24.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
  26. 26.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
  27. 27.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
  28. 28.Which of these best fits 1:1? (a) an upright phone screen (b) a square profile picture (c) an old-style monitor (d) a landscape video
  29. 29.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  30. 30.🟦 An image is 150 pixels wide and 380 pixels tall. How many pixels does it have in all?
  31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  32. 32.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 You shrink a 60 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.Which of these best fits 4:3? (a) a widescreen slide (b) a tall phone video (c) an older TV screen (d) a square sticker
  35. 35.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
  36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  37. 37.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 An image is 90 pixels wide and 120 pixels tall. How many pixels does it have in all?
  39. 39.🟦 A 4:3 video frame is 570 pixels tall. How many pixels wide is it?
  40. 40.Which of these best fits 16:9? (a) an album cover (b) a tall phone video (c) a laptop film screen (d) an upright phone screen

Answer key

  1. 18
  2. a tiny dot of colour
  3. squashed or wide
  4. 16:9
  5. 1800
  6. 9:16
  7. 16:9
  8. a widescreen slide
  9. 4:3
  10. 280
  11. 8400
  12. 200
  13. 4:3
  14. 540
  15. 5600
  16. 450
  17. 1500
  18. 1260
  19. 1:1
  20. 4:3
  21. 31900
  22. 30600
  23. 4:3
  24. 4
  25. 420
  26. wider than it is tall
  27. 630
  28. a square profile picture
  29. 3:2
  30. 57000
  31. 300
  32. 4.5
  33. 1500
  34. an older TV screen
  35. the number of pixels
  36. 1500
  37. 2
  38. 10800
  39. 760
  40. a laptop film screen

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