Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 561 · 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.🟦 An image is 170 pixels wide and 400 pixels tall. How many pixels does it have in all?
2. 2.Which of these best fits 4:3? (a) a phone story clip (b) a tall phone video (c) an album cover (d) an old-style monitor
3. 3.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
4. 4.🟦 An image is 180 pixels wide and 50 pixels tall. How many pixels does it have in all?
5. 5.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
6. 6.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
7. 7.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
9. 9.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) squashed or wide (d) sharper
10. 10.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
11. 11.Which of these best fits 16:9? (a) a landscape video (b) an album cover (c) an old-style monitor (d) an older TV screen
12. 12.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
13. 13.🟦 An image is 360 pixels wide and 360 pixels tall. How many pixels does it have in all?
14. 14.🟦 An image is 80 pixels wide and 240 pixels tall. How many pixels does it have in all?
15. 15.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.Which of these best fits 1:1? (a) a widescreen slide (b) an older TV screen (c) an album cover (d) a widescreen TV
17. 17.Which of these best fits 4:3? (a) a square profile picture (b) a widescreen TV (c) an older TV screen (d) a square sticker
18. 18.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
19. 19.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
20. 20.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
21. 21.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
22. 22.Which of these best fits 16:9? (a) a phone story clip (b) a widescreen TV (c) an old-style monitor (d) a square sticker
23. 23.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
24. 24.Which of these best fits 4:3? (a) a square profile picture (b) a classic tablet screen (c) a square sticker (d) a widescreen slide
25. 25.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
27. 27.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
29. 29.🟦 You shrink a 280 × 140 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.Which of these best fits 1:1? (a) a widescreen TV (b) a classic tablet screen (c) an upright phone screen (d) a square post
32. 32.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 An image is 100 pixels wide and 90 pixels tall. How many pixels does it have in all?
35. 35.🟦 You shrink a 280 × 200 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
37. 37.🟦 You shrink an 800 × 180 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 You shrink a 380 × 440 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 You shrink a 460 × 180 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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