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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 643 · 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 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
  2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  3. 3.Which of these best fits 4:3? (a) an older TV screen (b) an upright phone screen (c) a square sticker (d) a landscape video
  4. 4.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  5. 5.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
  6. 6.🟦 You shrink a 60 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.Which of these best fits 16:9? (a) an old-style monitor (b) a widescreen slide (c) a phone story clip (d) an older TV screen
  8. 8.Which of these best fits 9:16? (a) a laptop film screen (b) a square post (c) a tall phone video (d) an older TV screen
  9. 9.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 You shrink a 560 × 780 pixel image to half its width and half its height. How many pixels does it have now?
  11. 11.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
  12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  13. 13.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
  14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  15. 15.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
  16. 16.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
  17. 17.Which of these best fits 16:9? (a) a square sticker (b) a landscape video (c) a classic tablet screen (d) an older TV screen
  18. 18.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  19. 19.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  20. 20.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
  21. 21.🟦 You shrink a 680 × 340 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  23. 23.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
  24. 24.🟦 An image is 310 pixels wide and 80 pixels tall. How many pixels does it have in all?
  25. 25.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
  26. 26.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) sharper (d) longer
  27. 27.Which of these best fits 4:3? (a) an upright phone screen (b) a square sticker (c) an old-style monitor (d) a widescreen TV
  28. 28.Which of these best fits 4:3? (a) a widescreen slide (b) a classic tablet screen (c) an album cover (d) a widescreen TV
  29. 29.🟦 An image is 210 × 140 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  31. 31.🟦 You shrink a 400 × 760 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
  33. 33.🟦 You shrink an 800 × 260 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 You shrink a 220 × 740 pixel image to half its width and half its height. How many pixels does it have now?
  37. 37.Which of these best fits 9:16? (a) a landscape video (b) a classic tablet screen (c) a widescreen slide (d) an upright phone screen
  38. 38.🟦 You shrink a 660 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 You shrink a 160 × 600 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. wider than it is tall
  2. 300
  3. an older TV screen
  4. 4:3
  5. squashed or wide
  6. 2100
  7. a widescreen slide
  8. a tall phone video
  9. 4
  10. 109200
  11. the number of pixels
  12. 900
  13. a tiny dot of colour
  14. 1500
  15. 1980
  16. 200
  17. a landscape video
  18. 16:9
  19. 1:1
  20. 1440
  21. 57800
  22. 9:16
  23. 320
  24. 24800
  25. 660
  26. blocky (pixelated)
  27. an old-style monitor
  28. a classic tablet screen
  29. 3:2
  30. 1050
  31. 76000
  32. 540
  33. 52000
  34. 15
  35. 6
  36. 40700
  37. an upright phone screen
  38. 26400
  39. 15
  40. 24000

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