Number Systems
Number Systems a way of classifying different types of numbers most numbers or sets of numbers can belong to several different sets of numbers at the same time There are 6 different number systems
Real Symbol - R Includes - All numbers Doesn’t Include - Imaginary numbers Examples - 8, 15.2, 37/5, pi
Rational Symbol - Q Includes - All terminating and repeating decimals, can be written as fractions Doesn’t Include - Non terminating, non repeating numbers Example - 9, ⅚, 2.5, 8.7878787878…
Irrational Symbol - Q Includes - All non terminating, non repeating decimals Doesn’t Include - Terminating, repeating decimals Example - Pi, √ 2
Integers Symbol - I Includes - All whole numbers, positive or negative Doesn’t Include - Non whole numbers Example - 2, 18, -6, 0
Whole Numbers Symbol - W Includes - 0 and all the whole numbers above it Doesn’t Include - Negatives or decimals Example - 0,1,2,3,4
Natural Symbol - N Includes - All whole numbers above 0 Doesn’t Include - 0 and any number less, decimals Example - 1,2,3,4,5
Examples Name all of the sets that the following numbers fit into 15 35/2 Pi -0.6