Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 618 · 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 220 pixels wide and 210 pixels tall. How many pixels does it have in all?
2. 2.Which of these best fits 9:16? (a) an album cover (b) a square post (c) a phone story clip (d) a square sticker
3. 3.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
4. 4.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) squashed or wide (d) sharper
6. 6.Which of these best fits 1:1? (a) a classic tablet screen (b) an old-style monitor (c) a widescreen TV (d) a square post
7. 7.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
8. 8.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
9. 9.🟦 You shrink a 460 × 480 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
11. 11.🟦 An image is 90 pixels wide and 260 pixels tall. How many pixels does it have in all?
12. 12.🟦 An image is 40 pixels wide and 110 pixels tall. How many pixels does it have in all?
13. 13.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) a perfect square (d) taller than wide
14. 14.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
16. 16.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
17. 17.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
18. 18.Which of these best fits 16:9? (a) a phone story clip (b) a widescreen slide (c) a square sticker (d) a square profile picture
19. 19.🟦 An image is 110 pixels wide and 90 pixels tall. How many pixels does it have in all?
20. 20.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.Which of these best fits 9:16? (a) a laptop film screen (b) a square post (c) a tall phone video (d) a square profile picture
22. 22.🟦 An image is 30 pixels wide and 90 pixels tall. How many pixels does it have in all?
23. 23.Which of these best fits 1:1? (a) a widescreen slide (b) a tall phone video (c) a square profile picture (d) an old-style monitor
24. 24.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
25. 25.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
27. 27.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
28. 28.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
30. 30.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
31. 31.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
32. 32.🟦 An image is 210 pixels wide and 20 pixels tall. How many pixels does it have in all?
33. 33.🟦 You shrink an 800 × 340 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
35. 35.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
37. 37.🟦 An image is 260 pixels wide and 50 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 150 pixels wide and 110 pixels tall. How many pixels does it have in all?
39. 39.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
40. 40.🟦 You shrink a 180 × 360 pixel image to half its width and half its height. How many pixels does it have now?

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