Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 544 · 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 380 pixels wide and 160 pixels tall. How many pixels does it have in all?
2. 2.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
4. 4.🟦 An image is 300 pixels wide and 350 pixels tall. How many pixels does it have in all?
5. 5.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) wider than it is tall (d) a perfect square
6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
7. 7.🟦 An image is 150 pixels wide and 110 pixels tall. How many pixels does it have in all?
8. 8.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
9. 9.🟦 An image is 150 pixels wide and 290 pixels tall. How many pixels does it have in all?
10. 10.Which of these best fits 4:3? (a) a square sticker (b) a classic tablet screen (c) a tall phone video (d) a landscape video
11. 11.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
12. 12.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
13. 13.Which of these best fits 9:16? (a) a landscape video (b) a square sticker (c) a widescreen TV (d) a phone story clip
14. 14.🟦 You shrink a 360 × 200 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
16. 16.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
18. 18.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
19. 19.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
20. 20.Which of these best fits 16:9? (a) an older TV screen (b) a classic tablet screen (c) an old-style monitor (d) a widescreen TV
21. 21.Which of these best fits 9:16? (a) a widescreen slide (b) a widescreen TV (c) a tall phone video (d) a landscape video
22. 22.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 An image is 90 pixels wide and 100 pixels tall. How many pixels does it have in all?
25. 25.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
26. 26.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a type of paper (d) a font size
27. 27.🟦 You shrink a 560 × 700 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
29. 29.🟦 An image is 220 pixels wide and 50 pixels tall. How many pixels does it have in all?
30. 30.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
31. 31.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
32. 32.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
33. 33.🟦 You shrink an 800 × 240 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 A 16:9 video frame is 1760 pixels wide. How many pixels tall is it?
35. 35.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
36. 36.🟦 An image is 170 pixels wide and 320 pixels tall. How many pixels does it have in all?
37. 37.🟦 An image is 390 pixels wide and 30 pixels tall. How many pixels does it have in all?
38. 38.🟦 You shrink a 380 × 440 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2

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