Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 663 · 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.🟦 You shrink a 240 × 580 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
3. 3.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) sharper (d) more colourful
4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
5. 5.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 An image is 390 pixels wide and 120 pixels tall. How many pixels does it have in all?
7. 7.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 You shrink an 80 × 160 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.Which of these best fits 4:3? (a) a square post (b) a classic tablet screen (c) an upright phone screen (d) an album cover
10. 10.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.Which of these best fits 16:9? (a) an older TV screen (b) a landscape video (c) a square post (d) an old-style monitor
12. 12.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
14. 14.🟦 An image is 220 pixels wide and 280 pixels tall. How many pixels does it have in all?
15. 15.🟦 You shrink a 540 × 200 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
17. 17.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
18. 18.Which of these best fits 1:1? (a) a square sticker (b) an older TV screen (c) an upright phone screen (d) a widescreen slide
19. 19.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
20. 20.Which of these best fits 9:16? (a) a square post (b) a phone story clip (c) an album cover (d) a laptop film screen
21. 21.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
23. 23.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a font size (d) a sound
24. 24.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
25. 25.Which of these best fits 1:1? (a) a widescreen TV (b) an album cover (c) an old-style monitor (d) a classic tablet screen
26. 26.🟦 You shrink a 520 × 500 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.Which of these best fits 4:3? (a) a phone story clip (b) a laptop film screen (c) an older TV screen (d) a landscape video
28. 28.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
29. 29.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
30. 30.Which of these best fits 9:16? (a) a square profile picture (b) an upright phone screen (c) a widescreen TV (d) a square sticker
31. 31.🟦 An image is 20 pixels wide and 340 pixels tall. How many pixels does it have in all?
32. 32.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
33. 33.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
34. 34.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
35. 35.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
36. 36.Which of these best fits 4:3? (a) a tall phone video (b) a landscape video (c) a square profile picture (d) an old-style monitor
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
38. 38.🟦 An image is 80 pixels wide and 40 pixels tall. How many pixels does it have in all?
39. 39.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
40. 40.🟦 You shrink a 620 × 80 pixel image to half its width and half its height. How many pixels does it have now?

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