Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 60 · 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) more colourful (b) sharper (c) squashed or wide (d) exactly the same
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
3. 3.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
4. 4.🟦 An image is 170 pixels wide and 90 pixels tall. How many pixels does it have in all?
5. 5.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
7. 7.🟦 An image is 250 pixels wide and 80 pixels tall. How many pixels does it have in all?
8. 8.Which of these best fits 9:16? (a) an old-style monitor (b) a laptop film screen (c) a widescreen TV (d) a tall phone video
9. 9.Which of these best fits 1:1? (a) an old-style monitor (b) a phone story clip (c) an album cover (d) an older TV screen
10. 10.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
11. 11.Which of these best fits 1:1? (a) a widescreen TV (b) an old-style monitor (c) a square profile picture (d) a landscape video
12. 12.Which of these best fits 16:9? (a) a tall phone video (b) a widescreen TV (c) an upright phone screen (d) a square post
13. 13.🟦 You shrink a 720 × 320 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
15. 15.🟦 An image is 290 pixels wide and 290 pixels tall. How many pixels does it have in all?
16. 16.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
17. 17.Which of these best fits 16:9? (a) a phone story clip (b) a classic tablet screen (c) a laptop film screen (d) an older TV screen
18. 18.🟦 An image is 260 pixels wide and 100 pixels tall. How many pixels does it have in all?
19. 19.🟦 You shrink a 240 × 100 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 An image is 220 pixels wide and 390 pixels tall. How many pixels does it have in all?
21. 21.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
22. 22.🟦 An image is 230 pixels wide and 340 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
24. 24.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
26. 26.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
27. 27.Which of these best fits 4:3? (a) an older TV screen (b) a landscape video (c) a widescreen TV (d) a laptop film screen
28. 28.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
29. 29.Which of these best fits 9:16? (a) a square profile picture (b) an album cover (c) an old-style monitor (d) a phone story clip
30. 30.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
32. 32.🟦 An image is 260 pixels wide and 130 pixels tall. How many pixels does it have in all?
33. 33.🟦 An image is 120 pixels wide and 110 pixels tall. How many pixels does it have in all?
34. 34.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) longer (d) louder
35. 35.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
36. 36.🟦 An image is 220 pixels wide and 70 pixels tall. How many pixels does it have in all?
37. 37.🟦 You shrink a 380 × 320 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 1280 pixels wide. How many pixels tall is it?
39. 39.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
40. 40.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2

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