Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 469 · 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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
2. 2.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
3. 3.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
4. 4.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
5. 5.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
6. 6.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
7. 7.Which of these best fits 16:9? (a) an album cover (b) a widescreen TV (c) an old-style monitor (d) a tall phone video
8. 8.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
9. 9.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
10. 10.🟦 An image is 390 pixels wide and 220 pixels tall. How many pixels does it have in all?
11. 11.Which of these best fits 4:3? (a) an older TV screen (b) a landscape video (c) an album cover (d) a square post
12. 12.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the paper colour (d) the font
13. 13.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
14. 14.Which of these best fits 1:1? (a) a widescreen TV (b) a square post (c) a laptop film screen (d) a landscape video
15. 15.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
16. 16.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) longer (d) louder
17. 17.🟦 An image is 200 pixels wide and 90 pixels tall. How many pixels does it have in all?
18. 18.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
20. 20.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
21. 21.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size
22. 22.🟦 An image is 290 pixels wide and 120 pixels tall. How many pixels does it have in all?
23. 23.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
25. 25.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 90 pixels wide and 230 pixels tall. How many pixels does it have in all?
28. 28.Which of these best fits 1:1? (a) a widescreen TV (b) a widescreen slide (c) a square sticker (d) a landscape video
29. 29.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
30. 30.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
31. 31.Which of these best fits 1:1? (a) an upright phone screen (b) an older TV screen (c) a widescreen TV (d) an album cover
32. 32.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
33. 33.🟦 You shrink a 480 × 460 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 An image is 270 pixels wide and 310 pixels tall. How many pixels does it have in all?
35. 35.🟦 You shrink a 380 × 760 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
37. 37.Which of these best fits 1:1? (a) a widescreen slide (b) a square profile picture (c) a landscape video (d) a widescreen TV
38. 38.🟦 You shrink a 380 × 720 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.Which of these best fits 9:16? (a) a widescreen slide (b) an upright phone screen (c) a widescreen TV (d) an old-style monitor
40. 40.Which of these best fits 9:16? (a) a widescreen slide (b) a laptop film screen (c) an album cover (d) a phone story clip

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