Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 849 · 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.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
2. 2.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
5. 5.Which of these best fits 1:1? (a) a landscape video (b) a square post (c) an older TV screen (d) a widescreen TV
6. 6.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
7. 7.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
8. 8.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
9. 9.Which of these best fits 4:3? (a) a square sticker (b) a classic tablet screen (c) a widescreen TV (d) a square profile picture
10. 10.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
12. 12.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 An image is 60 pixels wide and 130 pixels tall. How many pixels does it have in all?
14. 14.Which of these best fits 1:1? (a) a widescreen slide (b) a widescreen TV (c) a landscape video (d) a square profile picture
15. 15.🟦 You shrink a 720 × 320 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 An image is 390 pixels wide and 120 pixels tall. How many pixels does it have in all?
17. 17.Which of these best fits 16:9? (a) a widescreen slide (b) an older TV screen (c) a square sticker (d) a classic tablet screen
18. 18.Which of these best fits 4:3? (a) a landscape video (b) an older TV screen (c) an album cover (d) a laptop film screen
19. 19.Which of these best fits 9:16? (a) a tall phone video (b) a widescreen TV (c) an old-style monitor (d) a landscape video
20. 20.🟦 A 4:3 video frame is 390 pixels tall. How many pixels wide is it?
21. 21.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
22. 22.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
23. 23.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
24. 24.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
25. 25.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
26. 26.🟦 An image is 360 pixels wide and 50 pixels tall. How many pixels does it have in all?
27. 27.🟦 An image is 80 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
28. 28.🟦 You shrink a 720 × 480 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 An image is 50 pixels wide and 320 pixels tall. How many pixels does it have in all?
30. 30.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.Which of these best fits 1:1? (a) a classic tablet screen (b) an album cover (c) a widescreen slide (d) a phone story clip
32. 32.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
33. 33.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
34. 34.🟦 You shrink an 800 × 200 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 20 pixels wide and 360 pixels tall. How many pixels does it have in all?
36. 36.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
37. 37.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a font size (d) a sound
38. 38.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
39. 39.🟦 An image is 320 pixels wide and 360 pixels tall. How many pixels does it have in all?
40. 40.🟦 You shrink a 460 × 100 pixel image to half its width and half its height. How many pixels does it have now?

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