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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 199 · 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 4:3 video frame is 160 pixels wide. How many pixels tall is it?
  2. 2.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
  3. 3.Which of these best fits 1:1? (a) a tall phone video (b) an album cover (c) an older TV screen (d) a classic tablet screen
  4. 4.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
  5. 5.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  6. 6.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  8. 8.Which of these best fits 16:9? (a) a classic tablet screen (b) an upright phone screen (c) a laptop film screen (d) a phone story clip
  9. 9.🟦 An image is 140 pixels wide and 60 pixels tall. How many pixels does it have in all?
  10. 10.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  11. 11.🟦 You shrink a 260 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  12. 12.Which of these best fits 4:3? (a) a classic tablet screen (b) a landscape video (c) a tall phone video (d) a square sticker
  13. 13.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
  14. 14.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
  15. 15.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  16. 16.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  18. 18.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
  19. 19.🟦 You shrink a 260 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  21. 21.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
  22. 22.🟦 You shrink a 240 × 800 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 An image is 340 pixels wide and 200 pixels tall. How many pixels does it have in all?
  24. 24.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  27. 27.🟦 An image is 70 pixels wide and 170 pixels tall. How many pixels does it have in all?
  28. 28.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 An image is 90 pixels wide and 220 pixels tall. How many pixels does it have in all?
  30. 30.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  31. 31.🟦 An image is 330 pixels wide and 60 pixels tall. How many pixels does it have in all?
  32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  33. 33.🟦 An image is 210 × 140 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  34. 34.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  35. 35.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 An image is 120 pixels wide and 370 pixels tall. How many pixels does it have in all?
  37. 37.Which of these best fits 1:1? (a) a square profile picture (b) a laptop film screen (c) a widescreen TV (d) an old-style monitor
  38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  39. 39.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
  40. 40.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 120
  2. 600
  3. an album cover
  4. wider than it is tall
  5. 9:16
  6. 6
  7. 2400
  8. a laptop film screen
  9. 8400
  10. 4:3
  11. 37700
  12. a classic tablet screen
  13. 450
  14. squashed or wide
  15. 9:16
  16. 16:9
  17. 900
  18. 90
  19. 42900
  20. 16:9
  21. 360
  22. 48000
  23. 68000
  24. 1:1
  25. 1500
  26. 300
  27. 11900
  28. 12.5
  29. 19800
  30. 4:3
  31. 19800
  32. 2100
  33. 3:2
  34. 4:3
  35. 12
  36. 44400
  37. a square profile picture
  38. 600
  39. the number of pixels
  40. 3

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