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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 570 · 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 photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 An image is 320 pixels wide and 390 pixels tall. How many pixels does it have in all?
  4. 4.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.🟦 You shrink a 660 × 400 pixel image to half its width and half its height. How many pixels does it have now?
  6. 6.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a font size (d) a sound
  7. 7.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  8. 8.Which of these best fits 4:3? (a) an upright phone screen (b) a square post (c) an old-style monitor (d) a laptop film screen
  9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  10. 10.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  11. 11.Which of these best fits 16:9? (a) a classic tablet screen (b) a square profile picture (c) an older TV screen (d) a laptop film screen
  12. 12.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  14. 14.Which of these best fits 16:9? (a) a landscape video (b) a square sticker (c) an older TV screen (d) a tall phone video
  15. 15.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  17. 17.🟦 You shrink a 400 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  18. 18.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
  19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  20. 20.🟦 You shrink a 700 × 680 pixel image to half its width and half its height. How many pixels does it have now?
  21. 21.Which of these best fits 16:9? (a) a classic tablet screen (b) a square post (c) a widescreen slide (d) a square sticker
  22. 22.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
  23. 23.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
  24. 24.🟦 An image is 350 pixels wide and 370 pixels tall. How many pixels does it have in all?
  25. 25.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  26. 26.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the font (d) the file name
  27. 27.Which of these best fits 9:16? (a) a square sticker (b) a square post (c) a tall phone video (d) a square profile picture
  28. 28.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 You shrink an 800 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.Which of these best fits 4:3? (a) a laptop film screen (b) a tall phone video (c) a widescreen TV (d) a classic tablet screen
  31. 31.Which of these best fits 1:1? (a) a phone story clip (b) a classic tablet screen (c) a widescreen slide (d) a square profile picture
  32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  33. 33.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  35. 35.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
  36. 36.🟦 You shrink a 160 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  37. 37.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 You shrink a 40 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 You shrink a 260 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?

Answer key

  1. 3
  2. 12.5
  3. 124800
  4. 9
  5. 66000
  6. a tiny dot of colour
  7. 16:9
  8. an old-style monitor
  9. 1500
  10. 9:16
  11. a laptop film screen
  12. 15
  13. 4:3
  14. a landscape video
  15. 16
  16. 16:9
  17. 56000
  18. 400
  19. 1650
  20. 119000
  21. a widescreen slide
  22. 1980
  23. 3:2
  24. 129500
  25. 1:1
  26. the number of pixels
  27. a tall phone video
  28. 4
  29. 8000
  30. a classic tablet screen
  31. a square profile picture
  32. 600
  33. 4:3
  34. 2700
  35. squashed or wide
  36. 12800
  37. 7.5
  38. 1600
  39. 13000
  40. 540

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