Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 49 · 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 4:3 video frame is 120 pixels wide. How many pixels tall is it?
2. 2.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
3. 3.Which of these best fits 1:1? (a) a laptop film screen (b) an older TV screen (c) a widescreen slide (d) a square post
4. 4.🟦 An image is 80 pixels wide and 300 pixels tall. How many pixels does it have in all?
5. 5.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
6. 6.Which of these best fits 9:16? (a) a phone story clip (b) a landscape video (c) a square profile picture (d) an old-style monitor
7. 7.Which of these best fits 16:9? (a) a phone story clip (b) an old-style monitor (c) a widescreen slide (d) a tall phone video
8. 8.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
10. 10.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
11. 11.Which of these best fits 16:9? (a) a laptop film screen (b) a phone story clip (c) a classic tablet screen (d) a square post
12. 12.🟦 An image is 110 pixels wide and 50 pixels tall. How many pixels does it have in all?
13. 13.🟦 You shrink a 160 × 240 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.Which of these best fits 16:9? (a) an older TV screen (b) a tall phone video (c) a classic tablet screen (d) a landscape video
15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
16. 16.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
17. 17.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
18. 18.🟦 An image is 210 × 140 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
19. 19.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
21. 21.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
22. 22.🟦 You shrink a 220 × 580 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen TV (c) an album cover (d) a classic tablet screen
24. 24.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
25. 25.🟦 You shrink a 180 × 180 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.Which of these best fits 9:16? (a) a square sticker (b) a widescreen slide (c) a landscape video (d) a tall phone video
27. 27.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
28. 28.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
31. 31.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
32. 32.🟦 You shrink a 700 × 720 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
34. 34.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
35. 35.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
36. 36.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 You shrink a 120 × 620 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
39. 39.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
40. 40.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?

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