1. 12.5 Sigma Notation and the nth term
By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Assignment #45
No book assignment, instead it is a worksheet.

2. By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Sigma Notation

3. Example 1: Expand the summation and describe the series
By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Example 1: Expand the summation and describe the series

4. Example 1: Expand the summation and describe the series
By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Example 1: Expand the summation and describe the series

5. By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Summation Formulas

6. By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Example 2: Use the summation formula for ARITHMETIC series to find the sum

7. By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Example 2: Use the summation formula for ARITHMETIC series to find the sum

8. Solving Quadratic Equations
By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Solving Quadratic Equations

9. Example 3: Find the number of terms needed to obtain the given sum
By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Example 3: Find the number of terms needed to obtain the given sum

10. Example 3: Find the number of terms needed to obtain the given sum
By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Example 3: Find the number of terms needed to obtain the given sum

11. Example 3: Find the number of terms needed to obtain the given sum
By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Example 3: Find the number of terms needed to obtain the given sum

12. Example 3: Find the number of terms needed to obtain the given sum
By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Example 3: Find the number of terms needed to obtain the given sum

13. By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Summary

14. By the end of the section students will be able to expand a summation given in sigma notation, determine the sum of an arithmetic series using sigma notation and determine the number of terms in a arithmetic sequence for a given sum as evidenced by completion of an exit slip.
Summary