Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 21 · 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 1350 pixels tall. How many pixels wide is it?
2. 2.🟦 You shrink a 280 × 200 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
4. 4.Which of these best fits 4:3? (a) an old-style monitor (b) an album cover (c) a widescreen slide (d) a square sticker
5. 5.🟦 An image is 110 pixels wide and 90 pixels tall. How many pixels does it have in all?
6. 6.Which of these best fits 4:3? (a) a tall phone video (b) an upright phone screen (c) a classic tablet screen (d) a laptop film screen
7. 7.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
8. 8.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
9. 9.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
10. 10.🟦 An image is 200 pixels wide and 280 pixels tall. How many pixels does it have in all?
11. 11.Which of these best fits 1:1? (a) an old-style monitor (b) an album cover (c) a widescreen TV (d) a laptop film screen
12. 12.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) exactly the same (d) sharper
13. 13.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
14. 14.Which of these best fits 9:16? (a) a square sticker (b) an older TV screen (c) a square post (d) a phone story clip
15. 15.🟦 You shrink a 740 × 520 pixel image to half its width and half its height. How many pixels does it have now?
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.🟦 An image is 60 pixels wide and 330 pixels tall. How many pixels does it have in all?
18. 18.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
19. 19.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
20. 20.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
21. 21.Which of these best fits 9:16? (a) an older TV screen (b) a classic tablet screen (c) a tall phone video (d) a landscape video
22. 22.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
23. 23.🟦 An image is 340 pixels wide and 280 pixels tall. How many pixels does it have in all?
24. 24.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
25. 25.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
26. 26.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 You shrink a 340 × 480 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 You shrink a 260 × 380 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
30. 30.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
32. 32.🟦 An image is 280 pixels wide and 380 pixels tall. How many pixels does it have in all?
33. 33.Which of these best fits 1:1? (a) a phone story clip (b) a square sticker (c) a widescreen slide (d) a landscape video
34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
35. 35.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
36. 36.🟦 An image is 250 pixels wide and 90 pixels tall. How many pixels does it have in all?
37. 37.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
38. 38.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
39. 39.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
40. 40.🟦 An image is 50 pixels wide and 310 pixels tall. How many pixels does it have in all?

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