Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 753 · 40 questions

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.

1. 1.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
2. 2.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
3. 3.🟦 An image is 170 pixels wide and 70 pixels tall. How many pixels does it have in all?
4. 4.Which of these best fits 16:9? (a) an older TV screen (b) a square profile picture (c) a square post (d) a laptop film screen
5. 5.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
6. 6.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
7. 7.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
9. 9.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
10. 10.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a sound (d) a type of paper
11. 11.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
12. 12.🟦 You shrink a 560 × 420 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.Which of these best fits 16:9? (a) an upright phone screen (b) an older TV screen (c) a widescreen TV (d) a square post
14. 14.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
15. 15.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
16. 16.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
17. 17.🟦 An image is 250 pixels wide and 180 pixels tall. How many pixels does it have in all?
18. 18.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
19. 19.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
20. 20.Which of these best fits 4:3? (a) a phone story clip (b) an upright phone screen (c) a tall phone video (d) an older TV screen
21. 21.🟦 An image is 300 pixels wide and 350 pixels tall. How many pixels does it have in all?
22. 22.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
24. 24.🟦 You shrink a 140 × 80 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 You shrink a 400 × 780 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 You shrink a 180 × 540 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
28. 28.🟦 You shrink a 580 × 360 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
30. 30.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
32. 32.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
34. 34.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
37. 37.🟦 You shrink a 440 × 100 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
39. 39.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?

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