Mathematics

• A Directed number has both magnitude [size] and direction
• Magnitude - distance of the subject [1] and the subject [2] from the flagpole
• Natural numbers - the set of counting numbers
• Whole numbers - The set of natural numbers plus 0
• Integers - the set of positive and negative whole number
• Rational Numbers - The set of all numbers that can be expressed as fractions
• The absolute Value of a number is the distance of the number from zero
• > - Greater Than/Bigger than
• < - Less than/Smaller than
• Two Numbers have the same sign - The result has a positive sign
• Two Numbers have different sign - The result is a negative sign