Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 361 · 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.🟦 An image is 390 pixels wide and 340 pixels tall. How many pixels does it have in all?
2. 2.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
3. 3.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 An image is 380 pixels wide and 280 pixels tall. How many pixels does it have in all?
5. 5.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
6. 6.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
7. 7.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the file name (d) the number of pixels
10. 10.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
11. 11.🟦 You shrink a 580 × 280 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
14. 14.Which of these best fits 16:9? (a) a classic tablet screen (b) a landscape video (c) an album cover (d) an upright phone screen
15. 15.🟦 An image is 250 pixels wide and 70 pixels tall. How many pixels does it have in all?
16. 16.🟦 You shrink an 800 × 600 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 An image is 40 pixels wide and 250 pixels tall. How many pixels does it have in all?
18. 18.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
19. 19.Which of these best fits 4:3? (a) an album cover (b) a widescreen slide (c) a tall phone video (d) an old-style monitor
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
21. 21.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?
22. 22.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
23. 23.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
24. 24.🟦 An image is 390 pixels wide and 400 pixels tall. How many pixels does it have in all?
25. 25.🟦 An image is 190 pixels wide and 70 pixels tall. How many pixels does it have in all?
26. 26.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
27. 27.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a font size (d) a sound
28. 28.🟦 You shrink a 340 × 700 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.Which of these best fits 4:3? (a) a landscape video (b) a square sticker (c) a phone story clip (d) an older TV screen
31. 31.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
32. 32.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
33. 33.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
34. 34.Which of these best fits 9:16? (a) a phone story clip (b) an album cover (c) a landscape video (d) a laptop film screen
35. 35.Which of these best fits 9:16? (a) a classic tablet screen (b) an album cover (c) an upright phone screen (d) an older TV screen
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
37. 37.🟦 An image is 200 × 200 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
38. 38.🟦 An image is 360 pixels wide and 100 pixels tall. How many pixels does it have in all?
39. 39.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?

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