Whole Numbers are simply the numbers 0, 1, 2, 3, 4, 5, …(and so on)
Counting Numbers are Whole Numbers, but without the zero. Because you can't "count" zero.
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Yes all counting numbers are whole numbers, but the reverse is not true (zero!)
All counting numbers ARE (not is!) a proper subset of the set of whole numbers.
They are not. 0 (which is a whole number) is not considered a counting number(natural #).
-3 is a real, rational, whole integer. But then, -- All integers are real rational whole numbers. -- All whole numbers are real rational integers. -- All rational numbers are real. -- All counting numbers are real, rational, whole integers.
1to9 are counting numbers Counting numbers are positive whole numbers and not zero. They can also be called 'natural numbers'. They are so called because when you count, you start at +1, then +2, +3 and continue on in this... That would be zero, and negative integers. "Counting numbers" refers to integers (whole numbers) that are positive (larger than zero).