This is the Number Line: If a number has no sign it usually means that it is a positive number. Example: 5 is really +5.| Math is Fun
Zero shows that there is no amount. ... Example 6 6 = 0 (the difference between six and six is zero)| www.mathsisfun.com
Solving Triangles| www.mathsisfun.com
Whole Numbers are simply the numbers 0, 1, 2, 3, 4, 5, ... (and so on) ... No Fractions ... (But numbers like , 1.1 and 5 are not whole numbers.)| www.mathsisfun.com
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
Over 2000 years ago there was an amazing discovery about triangles: When a triangle has a right angle (90°) ...| Math is Fun
Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Before getting stuck into the...| Math is Fun