Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 307 · 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.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
2. 2.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
3. 3.🟦 An image is 180 pixels wide and 240 pixels tall. How many pixels does it have in all?
4. 4.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
5. 5.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 An image is 300 pixels wide and 360 pixels tall. How many pixels does it have in all?
7. 7.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
8. 8.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
9. 9.🟦 An image is 310 pixels wide and 210 pixels tall. How many pixels does it have in all?
10. 10.Which of these best fits 9:16? (a) a tall phone video (b) a widescreen slide (c) an old-style monitor (d) a square post
11. 11.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
12. 12.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
13. 13.🟦 An image is 400 pixels wide and 110 pixels tall. How many pixels does it have in all?
14. 14.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
17. 17.🟦 An image is 280 pixels wide and 360 pixels tall. How many pixels does it have in all?
18. 18.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 An image is 320 pixels wide and 330 pixels tall. How many pixels does it have in all?
20. 20.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 An image is 30 pixels wide and 140 pixels tall. How many pixels does it have in all?
22. 22.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
23. 23.Which of these best fits 16:9? (a) an album cover (b) a phone story clip (c) a square profile picture (d) a widescreen slide
24. 24.Which of these best fits 4:3? (a) a tall phone video (b) an upright phone screen (c) an older TV screen (d) a square profile picture
25. 25.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
27. 27.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
28. 28.🟦 An image is 70 pixels wide and 20 pixels tall. How many pixels does it have in all?
29. 29.Which of these best fits 1:1? (a) an older TV screen (b) an upright phone screen (c) a laptop film screen (d) a square profile picture
30. 30.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
31. 31.Which of these best fits 16:9? (a) an older TV screen (b) a tall phone video (c) a widescreen TV (d) a square sticker
32. 32.🟦 You shrink a 320 × 320 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.Which of these best fits 4:3? (a) a widescreen TV (b) a tall phone video (c) a classic tablet screen (d) a square sticker
36. 36.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
37. 37.🟦 An image is 600 × 400 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
38. 38.🟦 You shrink a 180 × 760 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?

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