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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 439 · 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 a widescreen TV? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  2. 2.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 An image is 400 pixels wide and 190 pixels tall. How many pixels does it have in all?
  4. 4.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
  5. 5.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  6. 6.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
  8. 8.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  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.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  13. 13.Which of these best fits 1:1? (a) a widescreen slide (b) a landscape video (c) an album cover (d) an older TV screen
  14. 14.🟦 You shrink a 520 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  15. 15.🟦 An image is 20 pixels wide and 250 pixels tall. How many pixels does it have in all?
  16. 16.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
  17. 17.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  18. 18.🟦 An image is 210 pixels wide and 70 pixels tall. How many pixels does it have in all?
  19. 19.🟦 You shrink a 120 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  22. 22.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  23. 23.Which of these best fits 9:16? (a) a widescreen TV (b) an upright phone screen (c) a square post (d) a classic tablet screen
  24. 24.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
  25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  26. 26.🟦 An image is 390 pixels wide and 270 pixels tall. How many pixels does it have in all?
  27. 27.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a font size (d) a sound
  28. 28.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
  30. 30.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  32. 32.Which of these best fits 1:1? (a) a phone story clip (b) a tall phone video (c) a square sticker (d) a widescreen slide
  33. 33.🟦 You shrink a 660 × 620 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.Which of these best fits 16:9? (a) an album cover (b) an old-style monitor (c) a laptop film screen (d) a phone story clip
  35. 35.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  37. 37.Which of these best fits 4:3? (a) a square post (b) a landscape video (c) a square sticker (d) a classic tablet screen
  38. 38.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  39. 39.🟦 You shrink a 600 × 740 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.Which of these best fits 9:16? (a) a square sticker (b) an album cover (c) an older TV screen (d) a tall phone video

Answer key

  1. 16:9
  2. 18
  3. 76000
  4. squashed or wide
  5. 16:9
  6. 6
  7. 1530
  8. 4:3
  9. 1800
  10. 600
  11. 4:3
  12. 450
  13. an album cover
  14. 72800
  15. 5000
  16. 16:9
  17. 4:3
  18. 14700
  19. 18000
  20. 15
  21. 3:2
  22. 4:3
  23. an upright phone screen
  24. 660
  25. 1650
  26. 105300
  27. a tiny dot of colour
  28. 10
  29. 540
  30. 7.5
  31. 16:9
  32. a square sticker
  33. 102300
  34. a laptop film screen
  35. 1:1
  36. 2100
  37. a classic tablet screen
  38. 16:9
  39. 111000
  40. a tall phone video

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