Any number you can use for counting things: 1, 2, 3, 4, 5, ... (and so on).

Does not include zero.

Does not include negative numbers.

Does not include fractions (such as 1/2 or 3/7)

Does not include decimals (such as 0.95 or 1.3)

Does not include zero.

Does not include negative numbers.

Does not include fractions (such as 1/2 or 3/7)

Does not include decimals (such as 0.95 or 1.3)