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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 988 · 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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  2. 2.Which of these best fits 4:3? (a) a widescreen slide (b) a classic tablet screen (c) a laptop film screen (d) a square post
  3. 3.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  5. 5.🟦 An image is 250 pixels wide and 400 pixels tall. How many pixels does it have in all?
  6. 6.🟦 You shrink an 800 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
  8. 8.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
  9. 9.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  10. 10.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  11. 11.🟦 An image is 160 pixels wide and 360 pixels tall. How many pixels does it have in all?
  12. 12.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen TV (c) a laptop film screen (d) a tall phone video
  13. 13.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  14. 14.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
  15. 15.Which of these best fits 4:3? (a) a tall phone video (b) an album cover (c) a widescreen TV (d) an older TV screen
  16. 16.Which of these best fits 1:1? (a) a square sticker (b) a classic tablet screen (c) an upright phone screen (d) a phone story clip
  17. 17.Which of these best fits 16:9? (a) a square sticker (b) a widescreen TV (c) an old-style monitor (d) an album cover
  18. 18.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
  19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  20. 20.🟦 An image is 570 × 380 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  21. 21.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  22. 22.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  23. 23.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.🟦 You shrink a 340 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  25. 25.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  26. 26.🟦 You shrink an 80 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  27. 27.Which of these best fits 16:9? (a) a classic tablet screen (b) a square post (c) an old-style monitor (d) a widescreen slide
  28. 28.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  29. 29.🟦 An image is 30 pixels wide and 350 pixels tall. How many pixels does it have in all?
  30. 30.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.Which of these best fits 9:16? (a) a square profile picture (b) a laptop film screen (c) an upright phone screen (d) a square sticker
  32. 32.🟦 An image is 110 pixels wide and 210 pixels tall. How many pixels does it have in all?
  33. 33.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
  34. 34.🟦 You shrink a 260 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
  36. 36.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 You shrink a 300 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?

Answer key

  1. 2700
  2. a classic tablet screen
  3. 4:3
  4. 1350
  5. 100000
  6. 28000
  7. 1350
  8. 900
  9. 4:3
  10. 1:1
  11. 57600
  12. a tall phone video
  13. 16:9
  14. 480
  15. an older TV screen
  16. a square sticker
  17. a widescreen TV
  18. squashed or wide
  19. 1800
  20. 3:2
  21. 3
  22. 1:1
  23. 9
  24. 3400
  25. 9:16
  26. 8800
  27. a widescreen slide
  28. 1:1
  29. 10500
  30. 6
  31. an upright phone screen
  32. 23100
  33. wider than it is tall
  34. 45500
  35. 1890
  36. 4
  37. 6
  38. 1.5
  39. 48000
  40. 630

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