This math topic focuses on formulating equations to find the sum of all integers from 1 to a given number, N. It practices deriving formulas from sequences of integers, specifically using the sum formula for the first N natural numbers. The problems require translating a textual description of a number series into an algebraic equation representing the total sum. Each problem presents multiple choice answers, showcasing different equations to challenge understanding of the underlying mathematical principle. This is part of a broader study on patterning and number patterns.

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