Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 384 · 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 photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.Which of these best fits 4:3? (a) a square sticker (b) an older TV screen (c) a square profile picture (d) a widescreen slide
3. 3.Which of these best fits 1:1? (a) a phone story clip (b) an album cover (c) a laptop film screen (d) a classic tablet screen
4. 4.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
6. 6.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
10. 10.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
11. 11.🟦 An image is 140 pixels wide and 150 pixels tall. How many pixels does it have in all?
12. 12.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
14. 14.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
15. 15.Which of these best fits 1:1? (a) an old-style monitor (b) an upright phone screen (c) a tall phone video (d) a square sticker
16. 16.🟦 An image is 40 pixels wide and 320 pixels tall. How many pixels does it have in all?
17. 17.🟦 You shrink a 360 × 100 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
19. 19.🟦 You shrink a 320 × 320 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 An image is 160 pixels wide and 250 pixels tall. How many pixels does it have in all?
21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
22. 22.🟦 You shrink a 600 × 380 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.Which of these best fits 1:1? (a) a square profile picture (b) an upright phone screen (c) a phone story clip (d) a widescreen TV
24. 24.🟦 An image is 20 pixels wide and 280 pixels tall. How many pixels does it have in all?
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
26. 26.🟦 An image is 150 pixels wide and 240 pixels tall. How many pixels does it have in all?
27. 27.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
29. 29.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
31. 31.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
32. 32.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
33. 33.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
34. 34.🟦 An image is 350 pixels wide and 340 pixels tall. How many pixels does it have in all?
35. 35.🟦 You shrink a 60 × 160 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 An image is 200 pixels wide and 200 pixels tall. How many pixels does it have in all?
37. 37.🟦 You shrink a 180 × 700 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
39. 39.🟦 An image is 330 pixels wide and 90 pixels tall. How many pixels does it have in all?
40. 40.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?

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