If you've had a computer for any long period of time, you've probably encountered a computer virus. Find out exactly what computer virus are, and how they work in this video.
Malware: Difference Between Computer Viruses, Worms and TrojansTry out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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