Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 37 · 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.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
2. 2.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 An image is 70 pixels wide and 250 pixels tall. How many pixels does it have in all?
4. 4.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
5. 5.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 An image is 360 pixels wide and 170 pixels tall. How many pixels does it have in all?
7. 7.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
9. 9.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
10. 10.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
11. 11.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
13. 13.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
14. 14.Which of these best fits 1:1? (a) a widescreen TV (b) an album cover (c) a landscape video (d) a classic tablet screen
15. 15.🟦 You shrink a 580 × 540 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
17. 17.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a type of paper (d) a sound
18. 18.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
19. 19.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
20. 20.Which of these best fits 9:16? (a) a tall phone video (b) an album cover (c) a laptop film screen (d) an old-style monitor
21. 21.Which of these best fits 16:9? (a) an older TV screen (b) a widescreen TV (c) an old-style monitor (d) an upright phone screen
22. 22.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
23. 23.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
24. 24.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
25. 25.🟦 A 4:3 video frame is 390 pixels tall. How many pixels wide is it?
26. 26.🟦 You shrink a 440 × 140 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
28. 28.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
29. 29.🟦 An image is 90 pixels wide and 60 pixels tall. How many pixels does it have in all?
30. 30.🟦 A 4:3 video frame is 330 pixels tall. How many pixels wide is it?
31. 31.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
32. 32.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
33. 33.🟦 An image is 300 pixels wide and 100 pixels tall. How many pixels does it have in all?
34. 34.🟦 An image is 210 pixels wide and 150 pixels tall. How many pixels does it have in all?
35. 35.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
36. 36.🟦 An image is 20 pixels wide and 70 pixels tall. How many pixels does it have in all?
37. 37.Which of these best fits 4:3? (a) a classic tablet screen (b) a widescreen slide (c) a square post (d) a landscape video
38. 38.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
39. 39.🟦 You shrink a 420 × 60 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 An image is 220 pixels wide and 270 pixels tall. How many pixels does it have in all?

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