counting numbers or natural numbes are like 1,2,3,4,5,6, etc
whole numbers include counting numbers, but with 0, so 0,1,2,3,4, 5, etc
integers include the negatives, so -4,-3,-2,-1,0,1,2,3,4, etc
rational numbers are numbers that can be written in form a/b where a and b are integers and b≠0
irrational numbers can't be written as a rational numer
so -16 is an integer and ratinoal number
