Irrational Numbers
Pie, square root of 5, 2, 3...(Nothing that is a square)
Real Numbers
1/2, 3, 100, -234, square root, pie.
Counting Numbers
Numbers that you count with. 1,2,3,4,...
Whole Numbers
0,1,2,3,4,5,6,...
Integers
...-3,-2,-1,0,1,2,3,...
Rational Numbers
a/b, 6/12, 3/4, 3/5
Irrational numbers are always, sometimes, or never integers
Never
Real Numbers are always, sometimes, or never natural numbers
Sometimes
Whole numbers are always, sometimes, or never, rational numbers
Always
Integers are always, never or sometimes real numbers
Always
Rational numbers are always, sometimes, or never natural numbers
Sometimes