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Sums - Series of Integers M to N - Equation to Summation Form (Level 1)

This math topic focuses on converting standard algebraic expressions involving sums of series from integer M to N into their equivalent summation (sigma notation) forms. The problems provide algebraic expressions for the sum of integers within specific ranges and ask students to identify the correct summation formula representation from multiple choices. This set of problems explores the interpretation and formulation of summation equations, aiding in the understanding of sequential addition from one integer to another, an advanced concept within the broader framework of patterns and sums.

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

Sums - Series of Integers M to N - Equation to Summation Form

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


What equation in summation form would describe what this equation calculates?

21(21+1)2(151)152\frac{21(21+1)}{2} - \frac{(15-1)15}{2}