The sum of the first 10 counting numbers (1-10) is 51.
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It is 155 greater.
They are 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15 and 16.
The sum of the first 10 even numbers is 110.
The sum of the first five whole numbers is 10.
The first counting numbers are 1-10. You counted fingers and toes and other body parts.