Arithmetic Sequences and Series
Objective
Students will be able to make use of structure on their way to deriving a formula for the sum of an arithmetic series. They will also gain more experience in finding the nth term of a sequence/series.
Big Idea
Students grapple with real-life applications of Arithmetic Series.
Opening Problem
10 minutes
Sums of Finite Arithmetic Series â Deriving a Formula
20 minutes
Exit Slip and Homework
10 minutes
Exit Slip Question: (to be completed on own)
A student saves $3 dollars on August 1, $5 on August 2, $7 on August 3, and so on. How much will she save in August?
Allow the students an extra day to complete the homework assignment. The second day should have helped to clear up any questions that they have.
