Natural Numbers: Positive Whole Numbers (no decimals or fractions) NOT INCLUDING ‘0’ ex. 1,2,3,4,5,6,7,8,9,10,11……….. Whole Numbers: Positive Whole Numbers (no decimals or fractions) INCLUDING ‘0’ ex. 0,1,2,3,4,5,6,7,8,9,10,11……….. Integers: All Whole Numbers (no decimals or fractions) that are positive or negative. ex. -5,-4,-3,-2,-1,0,1,2,3,4,5 Rational Numbers: Any numbers that can be turned into a fractions. ex. 2,…