Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 762 · 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 260 pixels wide and 350 pixels tall. How many pixels does it have in all?
2. 2.🟦 You shrink a 220 × 40 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
4. 4.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
5. 5.Which of these best fits 4:3? (a) a laptop film screen (b) a square profile picture (c) a square post (d) an old-style monitor
6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
7. 7.🟦 You shrink a 400 × 500 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
9. 9.🟦 You shrink a 180 × 100 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) taller than wide (d) a perfect square
11. 11.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
12. 12.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
13. 13.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
14. 14.Which of these best fits 9:16? (a) an older TV screen (b) a widescreen TV (c) a widescreen slide (d) a tall phone video
15. 15.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
17. 17.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
18. 18.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
19. 19.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
20. 20.🟦 An image is 70 pixels wide and 80 pixels tall. How many pixels does it have in all?
21. 21.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
22. 22.🟦 An image is 50 pixels wide and 140 pixels tall. How many pixels does it have in all?
23. 23.Which of these best fits 16:9? (a) a square sticker (b) a tall phone video (c) a widescreen slide (d) a phone story clip
24. 24.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
25. 25.Which of these best fits 16:9? (a) a classic tablet screen (b) an old-style monitor (c) a square profile picture (d) a landscape video
26. 26.Which of these best fits 1:1? (a) an old-style monitor (b) a widescreen TV (c) a square profile picture (d) a phone story clip
27. 27.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
28. 28.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
29. 29.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
30. 30.🟦 An image is 180 pixels wide and 20 pixels tall. How many pixels does it have in all?
31. 31.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
32. 32.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
33. 33.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
34. 34.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
35. 35.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.Which of these best fits 9:16? (a) a square sticker (b) a landscape video (c) a phone story clip (d) a classic tablet screen
37. 37.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
38. 38.🟦 An image is 70 pixels wide and 20 pixels tall. How many pixels does it have in all?
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
40. 40.🟦 An image is 320 pixels wide and 290 pixels tall. How many pixels does it have in all?

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