How Do You Find the Sum of Increasing Numbers?

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In order to sum the integers from your starting number to n{displaystyle n}, determine how many terms you’re adding. For example, if you’re adding the first 200 integers, you’ll have 200 plus 1 to equal 201 integers. If you’re adding the first integers from 1 to 12, you’ll have 12 plus 1 to equal 13 terms.