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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 157 · 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) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  2. 2.🟦 An image is 110 pixels wide and 90 pixels tall. How many pixels does it have in all?
  3. 3.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  4. 4.🟦 An image is 70 pixels wide and 330 pixels tall. How many pixels does it have in all?
  5. 5.Which of these best fits 4:3? (a) an album cover (b) an old-style monitor (c) a square profile picture (d) a laptop film screen
  6. 6.🟦 You shrink a 720 × 500 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) exactly the same (d) more colourful
  8. 8.Which of these best fits 1:1? (a) an upright phone screen (b) a square profile picture (c) a laptop film screen (d) a widescreen TV
  9. 9.Which of these best fits 9:16? (a) a widescreen TV (b) a classic tablet screen (c) a phone story clip (d) an album cover
  10. 10.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
  11. 11.🟦 An image is 90 pixels wide and 330 pixels tall. How many pixels does it have in all?
  12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  13. 13.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  14. 14.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  15. 15.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  17. 17.🟦 You shrink a 600 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  18. 18.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  19. 19.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
  22. 22.🟦 You shrink a 680 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 An image is 70 pixels wide and 50 pixels tall. How many pixels does it have in all?
  24. 24.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  25. 25.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.Which of these best fits 4:3? (a) a square sticker (b) an upright phone screen (c) a classic tablet screen (d) an album cover
  27. 27.🟦 An image is 210 × 140 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  28. 28.🟦 You shrink a 620 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  29. 29.Which of these best fits 9:16? (a) an older TV screen (b) a widescreen TV (c) a tall phone video (d) an album cover
  30. 30.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  31. 31.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  32. 32.🟦 An image is 70 pixels wide and 300 pixels tall. How many pixels does it have in all?
  33. 33.🟦 An image is 170 pixels wide and 130 pixels tall. How many pixels does it have in all?
  34. 34.🟦 You shrink a 160 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 An image is 130 pixels wide and 300 pixels tall. How many pixels does it have in all?
  37. 37.🟦 You shrink a 140 × 400 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  39. 39.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  40. 40.🟦 An image is 300 pixels wide and 70 pixels tall. How many pixels does it have in all?

Answer key

  1. 1:1
  2. 9900
  3. 20
  4. 23100
  5. an old-style monitor
  6. 90000
  7. squashed or wide
  8. a square profile picture
  9. a phone story clip
  10. 630
  11. 29700
  12. 600
  13. 900
  14. 4:3
  15. 2
  16. 1200
  17. 15000
  18. 16:9
  19. 16
  20. 5
  21. a tiny dot of colour
  22. 95200
  23. 3500
  24. 1:1
  25. 17.5
  26. a classic tablet screen
  27. 3:2
  28. 80600
  29. a tall phone video
  30. 9:16
  31. 9:16
  32. 21000
  33. 22100
  34. 26400
  35. 10
  36. 39000
  37. 14000
  38. 1650
  39. 16:9
  40. 21000

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