Episode 13 — Patterns and Sequences

Sigma Notation

Learners will be able to:

• Identify the Greek letter sigma as a symbol for the sum of a sequence of numbers. • Interpret and explain the meaning of sigma notation in a given expression. • Evaluate the sum of a series using sigma notation by substituting values into the general term. • Calculate the number of terms in a series using the formula n = top - bottom + 1. • Apply the formula n = top - bottom + 1 to find the number of terms in a series.