A Rational Number can be made by dividing an integer by an integer. (An integer itself has no fractional part.).| Math is Fun
Imagine we want to measure the exact diagonal of a square tile. No matter how hard we try, we won't get it as a neat fraction.| Math is Fun
First learn about Squares, then Square Roots are easy. ... Squared is often written as a little 2 like this ... This says 4 Squared equals 16 (the little 2 says the number appears| www.mathsisfun.com