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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 998 · 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 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  3. 3.🟦 An image is 130 pixels wide and 250 pixels tall. How many pixels does it have in all?
  4. 4.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.Which of these best fits 4:3? (a) an older TV screen (b) a phone story clip (c) a tall phone video (d) an album cover
  6. 6.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  7. 7.Which of these best fits 1:1? (a) a square profile picture (b) a tall phone video (c) a phone story clip (d) an upright phone screen
  8. 8.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
  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 square post? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  11. 11.🟦 You shrink a 300 × 620 pixel image to half its width and half its height. How many pixels does it have now?
  12. 12.🟦 An image is 190 pixels wide and 110 pixels tall. How many pixels does it have in all?
  13. 13.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  14. 14.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 An image is 30 pixels wide and 40 pixels tall. How many pixels does it have in all?
  16. 16.🟦 An image is 380 pixels wide and 250 pixels tall. How many pixels does it have in all?
  17. 17.🟦 An image is 60 pixels wide and 270 pixels tall. How many pixels does it have in all?
  18. 18.🟦 You shrink a 780 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  19. 19.Which of these best fits 4:3? (a) an upright phone screen (b) an old-style monitor (c) a widescreen TV (d) a square post
  20. 20.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 An image is 310 pixels wide and 30 pixels tall. How many pixels does it have in all?
  22. 22.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a type of paper (d) a sound
  23. 23.Which of these best fits 1:1? (a) an upright phone screen (b) an older TV screen (c) an old-style monitor (d) an album cover
  24. 24.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
  25. 25.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  26. 26.🟦 An image is 30 pixels wide and 100 pixels tall. How many pixels does it have in all?
  27. 27.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
  28. 28.Which of these best fits 9:16? (a) a laptop film screen (b) a tall phone video (c) a classic tablet screen (d) a square sticker
  29. 29.🟦 An image is 240 pixels wide and 290 pixels tall. How many pixels does it have in all?
  30. 30.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
  31. 31.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 An image is 20 pixels wide and 120 pixels tall. How many pixels does it have in all?
  33. 33.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  34. 34.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  35. 35.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  36. 36.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  37. 37.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  39. 39.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.Which of these best fits 16:9? (a) a square profile picture (b) a square sticker (c) an upright phone screen (d) a widescreen slide

Answer key

  1. 750
  2. 3000
  3. 32500
  4. 5
  5. an older TV screen
  6. 1:1
  7. a square profile picture
  8. squashed or wide
  9. 10
  10. 1:1
  11. 46500
  12. 20900
  13. 1:1
  14. 18
  15. 1200
  16. 95000
  17. 16200
  18. 62400
  19. an old-style monitor
  20. 21
  21. 9300
  22. a tiny dot of colour
  23. an album cover
  24. the number of pixels
  25. 9:16
  26. 3000
  27. 240
  28. a tall phone video
  29. 69600
  30. 3520
  31. 3
  32. 2400
  33. 4:3
  34. 1:1
  35. 4:3
  36. 16:9
  37. 3:2
  38. 2700
  39. 8
  40. a widescreen slide

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