Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 732 · 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 a classic tablet screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
2. 2.Which of these best fits 9:16? (a) a laptop film screen (b) an older TV screen (c) a tall phone video (d) a square sticker
3. 3.🟦 You shrink a 400 × 180 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a type of paper (d) a font size
5. 5.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
7. 7.Which of these best fits 16:9? (a) a square post (b) a square sticker (c) an upright phone screen (d) a laptop film screen
8. 8.🟦 You shrink a 660 × 180 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
10. 10.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the file name (d) the number of pixels
11. 11.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) taller than wide (d) round
12. 12.🟦 An image is 230 pixels wide and 20 pixels tall. How many pixels does it have in all?
13. 13.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
14. 14.🟦 An image is 40 pixels wide and 380 pixels tall. How many pixels does it have in all?
15. 15.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
17. 17.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
18. 18.🟦 You shrink a 680 × 620 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 You shrink a 520 × 420 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
23. 23.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
24. 24.Which of these best fits 4:3? (a) a square sticker (b) an older TV screen (c) a widescreen TV (d) a phone story clip
25. 25.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
26. 26.🟦 You shrink a 640 × 580 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 An image is 40 pixels wide and 190 pixels tall. How many pixels does it have in all?
28. 28.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
29. 29.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
30. 30.Which of these best fits 9:16? (a) a landscape video (b) a phone story clip (c) an old-style monitor (d) a square profile picture
31. 31.Which of these best fits 4:3? (a) a tall phone video (b) a widescreen TV (c) an upright phone screen (d) a classic tablet screen
32. 32.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
33. 33.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
34. 34.🟦 An image is 70 pixels wide and 100 pixels tall. How many pixels does it have in all?
35. 35.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
36. 36.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
37. 37.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
39. 39.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?

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