This math topic focuses on finding the sum of a series of consecutive integers (from 1 to N) and associating them with the correct formula. It is aimed at developing skills in using the formula for the sum of an arithmetic series, specifically the sum of the first N natural numbers, which is given by N(N+1)/2. The problems guide students to identify and apply this formula to various series sequences to calculate their sums accurately. This topic is part of a broader study on number patterns.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.