Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 740 · 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 16:9? (a) a tall phone video (b) a laptop film screen (c) a square sticker (d) an older TV screen
2. 2.Which of these best fits 4:3? (a) a square post (b) an old-style monitor (c) a widescreen TV (d) a widescreen slide
3. 3.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
4. 4.🟦 An image is 320 pixels wide and 320 pixels tall. How many pixels does it have in all?
5. 5.Which of these best fits 1:1? (a) a widescreen TV (b) a landscape video (c) an album cover (d) a phone story clip
6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
7. 7.🟦 You shrink a 780 × 120 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 An image is 100 pixels wide and 110 pixels tall. How many pixels does it have in all?
9. 9.Which of these best fits 9:16? (a) a tall phone video (b) a landscape video (c) a widescreen TV (d) a classic tablet screen
10. 10.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
11. 11.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
12. 12.🟦 You shrink a 460 × 720 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
14. 14.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
15. 15.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
16. 16.🟦 An image is 300 pixels wide and 40 pixels tall. How many pixels does it have in all?
17. 17.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
18. 18.Which of these best fits 4:3? (a) a widescreen TV (b) a square profile picture (c) a tall phone video (d) a classic tablet screen
19. 19.🟦 An image is 40 pixels wide and 290 pixels tall. How many pixels does it have in all?
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
21. 21.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
22. 22.🟦 You shrink a 180 × 160 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 80 pixels wide and 260 pixels tall. How many pixels does it have in all?
24. 24.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
26. 26.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
28. 28.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
29. 29.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
30. 30.🟦 You shrink a 140 × 320 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 You shrink a 460 × 520 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 An image is 570 × 380 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
33. 33.🟦 An image is 350 pixels wide and 370 pixels tall. How many pixels does it have in all?
34. 34.🟦 You shrink a 700 × 120 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
36. 36.🟦 An image is 260 pixels wide and 370 pixels tall. How many pixels does it have in all?
37. 37.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
38. 38.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
40. 40.🟦 You shrink a 300 × 280 pixel image to half its width and half its height. How many pixels does it have now?

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