Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 83 · 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 380 pixels wide and 90 pixels tall. How many pixels does it have in all?
2. 2.🟦 You shrink a 460 × 620 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.Which of these best fits 4:3? (a) an upright phone screen (b) a square post (c) a classic tablet screen (d) a landscape video
4. 4.Which of these best fits 9:16? (a) a classic tablet screen (b) a landscape video (c) a tall phone video (d) a widescreen slide
5. 5.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
6. 6.Which of these best fits 1:1? (a) a widescreen slide (b) an older TV screen (c) a square profile picture (d) a laptop film screen
7. 7.Which of these best fits 4:3? (a) an old-style monitor (b) a square sticker (c) a landscape video (d) an album cover
8. 8.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round
9. 9.🟦 An image is 360 pixels wide and 130 pixels tall. How many pixels does it have in all?
10. 10.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
12. 12.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
13. 13.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
14. 14.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
16. 16.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
18. 18.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
19. 19.🟦 An image is 80 pixels wide and 180 pixels tall. How many pixels does it have in all?
20. 20.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
21. 21.🟦 An image is 130 pixels wide and 370 pixels tall. How many pixels does it have in all?
22. 22.🟦 An image is 310 pixels wide and 190 pixels tall. How many pixels does it have in all?
23. 23.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
25. 25.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen slide (c) a phone story clip (d) a square sticker
26. 26.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
27. 27.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
28. 28.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
29. 29.🟦 An image is 270 pixels wide and 100 pixels tall. How many pixels does it have in all?
30. 30.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
31. 31.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
32. 32.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
34. 34.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
36. 36.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
37. 37.🟦 You shrink a 620 × 600 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
39. 39.🟦 An image is 60 pixels wide and 70 pixels tall. How many pixels does it have in all?
40. 40.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?

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