Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 943 · 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 9:16? (a) an older TV screen (b) a square post (c) a phone story clip (d) a classic tablet screen
2. 2.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
4. 4.Which of these best fits 4:3? (a) a widescreen TV (b) an old-style monitor (c) a square post (d) a phone story clip
5. 5.Which of these best fits 1:1? (a) a widescreen slide (b) a phone story clip (c) a square post (d) an older TV screen
6. 6.🟦 An image is 340 pixels wide and 180 pixels tall. How many pixels does it have in all?
7. 7.Which of these best fits 9:16? (a) an upright phone screen (b) a classic tablet screen (c) a laptop film screen (d) a square post
8. 8.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
9. 9.🟦 An image is 20 pixels wide and 30 pixels tall. How many pixels does it have in all?
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
11. 11.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
12. 12.Which of these best fits 1:1? (a) an old-style monitor (b) a widescreen slide (c) an album cover (d) an older TV screen
13. 13.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
14. 14.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
15. 15.🟦 A 16:9 video frame is 2160 pixels tall. How many pixels wide is it?
16. 16.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
17. 17.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
18. 18.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
19. 19.🟦 An image is 350 pixels wide and 100 pixels tall. How many pixels does it have in all?
20. 20.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
21. 21.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
22. 22.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
23. 23.🟦 You shrink a 220 × 340 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 You shrink a 580 × 380 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
26. 26.Which of these best fits 1:1? (a) a square profile picture (b) a landscape video (c) a widescreen slide (d) a widescreen TV
27. 27.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
28. 28.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
29. 29.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
30. 30.Which of these best fits 9:16? (a) a square sticker (b) a square post (c) a tall phone video (d) a laptop film screen
31. 31.Which of these best fits 16:9? (a) an album cover (b) an old-style monitor (c) a widescreen TV (d) an upright phone screen
32. 32.🟦 An image is 160 pixels wide and 70 pixels tall. How many pixels does it have in all?
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
34. 34.🟦 You shrink a 620 × 80 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
37. 37.🟦 An image is 280 pixels wide and 390 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 180 pixels wide and 300 pixels tall. How many pixels does it have in all?
39. 39.🟦 An image is 200 × 200 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
40. 40.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?

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