Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 220 · 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 of these best fits 1:1? (a) an older TV screen (b) a square sticker (c) a phone story clip (d) a widescreen TV
2. 2.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
3. 3.Which of these best fits 16:9? (a) an upright phone screen (b) a laptop film screen (c) a tall phone video (d) an older TV screen
4. 4.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
5. 5.🟦 An image is 400 pixels wide and 180 pixels tall. How many pixels does it have in all?
6. 6.🟦 You shrink a 560 × 320 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.Which of these best fits 16:9? (a) a phone story clip (b) a widescreen slide (c) an album cover (d) a square sticker
8. 8.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
9. 9.Which of these best fits 9:16? (a) a laptop film screen (b) a square sticker (c) a landscape video (d) a tall phone video
10. 10.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
11. 11.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 You shrink a 540 × 180 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
14. 14.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
15. 15.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
17. 17.Which of these best fits 4:3? (a) a classic tablet screen (b) a widescreen TV (c) an upright phone screen (d) a square profile picture
18. 18.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the paper colour (d) the font
19. 19.🟦 An image is 250 pixels wide and 300 pixels tall. How many pixels does it have in all?
20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
21. 21.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
22. 22.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
23. 23.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
24. 24.Which of these best fits 1:1? (a) a square post (b) a widescreen TV (c) a widescreen slide (d) an old-style monitor
25. 25.🟦 An image is 170 pixels wide and 310 pixels tall. How many pixels does it have in all?
26. 26.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
27. 27.Which of these best fits 4:3? (a) a landscape video (b) a laptop film screen (c) a widescreen slide (d) an older TV screen
28. 28.Which of these best fits 16:9? (a) a tall phone video (b) a landscape video (c) a square sticker (d) a square post
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
30. 30.Which of these best fits 9:16? (a) a square sticker (b) an old-style monitor (c) a phone story clip (d) a widescreen slide
31. 31.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
32. 32.🟦 An image is 40 pixels wide and 380 pixels tall. How many pixels does it have in all?
33. 33.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
35. 35.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
36. 36.🟦 An image is 30 pixels wide and 190 pixels tall. How many pixels does it have in all?
37. 37.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
38. 38.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
39. 39.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
40. 40.🟦 You shrink a 100 × 100 pixel image to half its width and half its height. How many pixels does it have now?

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