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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 689 · 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.🟦 An image is 40 pixels wide and 20 pixels tall. How many pixels does it have in all?
  2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  3. 3.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  4. 4.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  5. 5.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  6. 6.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  8. 8.Which of these best fits 9:16? (a) a widescreen TV (b) a landscape video (c) an older TV screen (d) a tall phone video
  9. 9.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  10. 10.🟦 An image is 70 pixels wide and 340 pixels tall. How many pixels does it have in all?
  11. 11.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
  12. 12.🟦 An image is 440 × 330 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  13. 13.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  14. 14.🟦 An image is 80 pixels wide and 130 pixels tall. How many pixels does it have in all?
  15. 15.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
  16. 16.🟦 The resolution of an image is … (a) the font (b) the file name (c) the paper colour (d) the number of pixels
  17. 17.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
  19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  20. 20.🟦 An image is 240 pixels wide and 120 pixels tall. How many pixels does it have in all?
  21. 21.🟦 An image is 210 × 140 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
  22. 22.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
  23. 23.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
  24. 24.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
  25. 25.🟦 An image is 390 pixels wide and 40 pixels tall. How many pixels does it have in all?
  26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  27. 27.🟦 You shrink a 360 × 400 pixel image to half its width and half its height. How many pixels does it have now?
  28. 28.🟦 You shrink a 700 × 400 pixel image to half its width and half its height. How many pixels does it have now?
  29. 29.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  30. 30.🟦 An image is 120 pixels wide and 340 pixels tall. How many pixels does it have in all?
  31. 31.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  33. 33.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
  35. 35.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  36. 36.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 You shrink a 100 × 300 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.Which of these best fits 1:1? (a) a widescreen slide (b) a laptop film screen (c) a square profile picture (d) an old-style monitor
  39. 39.🟦 An image is 120 pixels wide and 80 pixels tall. How many pixels does it have in all?
  40. 40.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3

Answer key

  1. 800
  2. 1200
  3. 16:9
  4. 1:1
  5. 1:1
  6. 6
  7. 4:3
  8. a tall phone video
  9. 16:9
  10. 23800
  11. wider than it is tall
  12. 4:3
  13. 900
  14. 10400
  15. 450
  16. the number of pixels
  17. 7.5
  18. 480
  19. 3300
  20. 28800
  21. 3:2
  22. a tiny dot of colour
  23. 2880
  24. 880
  25. 15600
  26. 1800
  27. 36000
  28. 70000
  29. 3:2
  30. 40800
  31. 1
  32. 4:3
  33. 20
  34. 240
  35. 16:9
  36. 4.5
  37. 7500
  38. a square profile picture
  39. 9600
  40. 1:1

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