Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 79 · 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.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) squashed or wide (d) more colourful
2. 2.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
4. 4.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
6. 6.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
7. 7.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
9. 9.🟦 An image is 390 pixels wide and 90 pixels tall. How many pixels does it have in all?
10. 10.🟦 An image is 90 pixels wide and 290 pixels tall. How many pixels does it have in all?
11. 11.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
12. 12.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
13. 13.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
14. 14.🟦 An image is 250 pixels wide and 120 pixels tall. How many pixels does it have in all?
15. 15.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
16. 16.🟦 You shrink a 420 × 600 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 An image is 220 pixels wide and 150 pixels tall. How many pixels does it have in all?
18. 18.🟦 A 4:3 video frame is 390 pixels tall. How many pixels wide is it?
19. 19.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
20. 20.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
21. 21.🟦 You shrink a 420 × 80 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
23. 23.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
24. 24.🟦 An image is 100 pixels wide and 250 pixels tall. How many pixels does it have in all?
25. 25.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 You shrink a 200 × 200 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 An image is 340 pixels wide and 370 pixels tall. How many pixels does it have in all?
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
29. 29.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
30. 30.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.Which of these best fits 1:1? (a) a widescreen slide (b) a square post (c) a landscape video (d) a classic tablet screen
32. 32.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.Which of these best fits 9:16? (a) an album cover (b) a square post (c) a phone story clip (d) a classic tablet screen
34. 34.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
36. 36.🟦 You shrink a 720 × 640 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 90 pixels wide and 200 pixels tall. How many pixels does it have in all?
38. 38.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
39. 39.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
40. 40.🟦 You shrink a 340 × 420 pixel image to half its width and half its height. How many pixels does it have now?

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