Graphic Design Worksheet: Pixels and Image Size
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.
NameDateTime takenScore ___ / 40
- 1.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
- 2.Which of these best fits 16:9? (a) a widescreen TV (b) an old-style monitor (c) an older TV screen (d) a square profile picture
- 3.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
- 4.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
- 5.Which of these best fits 16:9? (a) a tall phone video (b) an older TV screen (c) a laptop film screen (d) an album cover
- 6.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
- 7.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
- 8.🟦 An image is 250 pixels wide and 340 pixels tall. How many pixels does it have in all?
- 9.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
- 10.🟦 You shrink a 220 × 140 pixel image to half its width and half its height. How many pixels does it have now?
- 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
- 12.🟦 You shrink a 580 × 580 pixel image to half its width and half its height. How many pixels does it have now?
- 13.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
- 14.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
- 15.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
- 16.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
- 17.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
- 18.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
- 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
- 20.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
- 21.🟦 An image is 100 pixels wide and 370 pixels tall. How many pixels does it have in all?
- 22.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
- 23.🟦 You shrink a 220 × 680 pixel image to half its width and half its height. How many pixels does it have now?
- 24.🟦 You shrink a 780 × 800 pixel image to half its width and half its height. How many pixels does it have now?
- 25.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
- 26.🟦 An image is 360 pixels wide and 330 pixels tall. How many pixels does it have in all?
- 27.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
- 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
- 29.Which of these best fits 4:3? (a) a classic tablet screen (b) a square sticker (c) a phone story clip (d) an upright phone screen
- 30.🟦 You shrink an 80 × 760 pixel image to half its width and half its height. How many pixels does it have now?
- 31.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
- 32.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
- 33.🟦 An image is 240 pixels wide and 40 pixels tall. How many pixels does it have in all?
- 34.🟦 An image is 310 pixels wide and 350 pixels tall. How many pixels does it have in all?
- 35.🟦 You shrink a 340 × 720 pixel image to half its width and half its height. How many pixels does it have now?
- 36.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) louder (d) blocky (pixelated)
- 37.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
- 38.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
- 39.🟦 An image is 290 pixels wide and 290 pixels tall. How many pixels does it have in all?
- 40.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
Answer key
- 4:3
- a widescreen TV
- squashed or wide
- 60
- a laptop film screen
- 7.5
- 210
- 85000
- 16:9
- 7700
- 2400
- 84100
- 1800
- 7
- a tiny dot of colour
- 10.5
- 16:9
- 4
- 1500
- 4:3
- 37000
- 270
- 37400
- 156000
- 16:9
- 118800
- 1620
- 3600
- a classic tablet screen
- 15200
- the number of pixels
- 3
- 9600
- 108500
- 61200
- blocky (pixelated)
- 20
- 90
- 84100
- 21
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