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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 255 · 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 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  3. 3.Which of these best fits 1:1? (a) an old-style monitor (b) a laptop film screen (c) a phone story clip (d) a square profile picture
  4. 4.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  5. 5.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
  6. 6.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  7. 7.🟦 You shrink a 740 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 An image is 320 pixels wide and 250 pixels tall. How many pixels does it have in all?
  9. 9.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  11. 11.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  12. 12.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
  13. 13.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  14. 14.Which of these best fits 16:9? (a) a classic tablet screen (b) a laptop film screen (c) an upright phone screen (d) a square sticker
  15. 15.🟦 You shrink a 40 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  18. 18.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  19. 19.🟦 You shrink a 340 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
  21. 21.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
  22. 22.🟦 An image is 290 pixels wide and 80 pixels tall. How many pixels does it have in all?
  23. 23.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.🟦 You shrink a 200 × 100 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 classic tablet screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  26. 26.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.Which of these best fits 4:3? (a) a phone story clip (b) a widescreen TV (c) an older TV screen (d) a laptop film screen
  28. 28.Which of these best fits 1:1? (a) an old-style monitor (b) a classic tablet screen (c) an upright phone screen (d) a square post
  29. 29.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
  30. 30.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  31. 31.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
  32. 32.🟦 An image is 40 pixels wide and 210 pixels tall. How many pixels does it have in all?
  33. 33.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  35. 35.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
  36. 36.Which of these best fits 16:9? (a) an upright phone screen (b) an album cover (c) a widescreen TV (d) an older TV screen
  37. 37.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size
  38. 38.Which of these best fits 16:9? (a) an old-style monitor (b) a widescreen slide (c) a square post (d) a tall phone video
  39. 39.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
  40. 40.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 6
  2. 4:3
  3. a square profile picture
  4. 16:9
  5. 180
  6. 3:2
  7. 22200
  8. 80000
  9. 10
  10. 9:16
  11. 1:1
  12. wider than it is tall
  13. 9:16
  14. a laptop film screen
  15. 400
  16. 2.5
  17. 3000
  18. 3:2
  19. 11900
  20. 3520
  21. 570
  22. 23200
  23. 10
  24. 5000
  25. 4:3
  26. 4
  27. an older TV screen
  28. a square post
  29. squashed or wide
  30. 16:9
  31. 2240
  32. 8400
  33. 6
  34. 900
  35. 630
  36. a widescreen TV
  37. a tiny dot of colour
  38. a widescreen slide
  39. the number of pixels
  40. 3.5

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