Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 485 · 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.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
2. 2.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
3. 3.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
4. 4.🟦 You shrink a 280 × 580 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
6. 6.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.Which of these best fits 1:1? (a) a widescreen TV (b) a square sticker (c) an older TV screen (d) a tall phone video
8. 8.Which of these best fits 16:9? (a) a square post (b) an old-style monitor (c) a tall phone video (d) a widescreen TV
9. 9.🟦 An image is 110 pixels wide and 90 pixels tall. How many pixels does it have in all?
10. 10.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the paper colour (d) the font
11. 11.Which of these best fits 16:9? (a) a square sticker (b) a landscape video (c) an upright phone screen (d) a classic tablet screen
12. 12.🟦 An image is 570 × 380 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
13. 13.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
14. 14.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
15. 15.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
16. 16.Which of these best fits 1:1? (a) an old-style monitor (b) a square post (c) a widescreen TV (d) a classic tablet screen
17. 17.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
18. 18.🟦 You shrink a 580 × 740 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 You shrink a 200 × 200 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
21. 21.🟦 An image is 100 pixels wide and 280 pixels tall. How many pixels does it have in all?
22. 22.🟦 An image is 270 pixels wide and 330 pixels tall. How many pixels does it have in all?
23. 23.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
25. 25.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
26. 26.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
27. 27.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a sound (d) a font size
28. 28.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
29. 29.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 You shrink a 260 × 360 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 An image is 40 pixels wide and 310 pixels tall. How many pixels does it have in all?
32. 32.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
33. 33.Which of these best fits 9:16? (a) an upright phone screen (b) a square post (c) a widescreen slide (d) a landscape video
34. 34.🟦 A 16:9 video frame is 1760 pixels wide. How many pixels tall is it?
35. 35.Which of these best fits 1:1? (a) a classic tablet screen (b) an older TV screen (c) a tall phone video (d) a square profile picture
36. 36.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
37. 37.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
38. 38.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
39. 39.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
40. 40.Which of these best fits 9:16? (a) an older TV screen (b) an old-style monitor (c) a classic tablet screen (d) a tall phone video

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