Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 238 · 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.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
2. 2.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
5. 5.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
6. 6.Which of these best fits 16:9? (a) an old-style monitor (b) a square sticker (c) a tall phone video (d) a widescreen slide
7. 7.Which of these best fits 16:9? (a) an older TV screen (b) a tall phone video (c) an album cover (d) a landscape video
8. 8.🟦 You shrink a 780 × 780 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 An image is 90 pixels wide and 350 pixels tall. How many pixels does it have in all?
10. 10.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
11. 11.🟦 An image is 20 pixels wide and 100 pixels tall. How many pixels does it have in all?
12. 12.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
13. 13.Which of these best fits 16:9? (a) a widescreen TV (b) a classic tablet screen (c) a phone story clip (d) an upright phone screen
14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
15. 15.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 An image is 170 pixels wide and 90 pixels tall. How many pixels does it have in all?
17. 17.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
18. 18.🟦 An image is 920 × 690 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
19. 19.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
20. 20.🟦 An image is 310 pixels wide and 130 pixels tall. How many pixels does it have in all?
21. 21.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) a perfect square (d) taller than wide
22. 22.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
24. 24.Which of these best fits 16:9? (a) a classic tablet screen (b) a square sticker (c) a laptop film screen (d) a square post
25. 25.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.Which of these best fits 4:3? (a) an old-style monitor (b) a laptop film screen (c) a widescreen TV (d) a phone story clip
27. 27.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.Which of these best fits 9:16? (a) a classic tablet screen (b) a square post (c) a tall phone video (d) an older TV screen
29. 29.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
31. 31.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
32. 32.🟦 An image is 190 pixels wide and 250 pixels tall. How many pixels does it have in all?
33. 33.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
34. 34.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
36. 36.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
37. 37.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
38. 38.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
39. 39.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?

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