Illinois State University Mathematics Department

MAT 409: Topics in Algebra and Combinatorics for K-8 Teachers

Dr. Roger Day (day@ilstu.edu)





Session 3: 30 Jan 2018



Summation and Product Notation
Factorial Notation

Basic Counting Strategies Quiz #1 handed out at end of class, to be returned by Sunday night. Quiz #1 solutions.





Assignment #3

Read or Re-read

  • Chapter 3 Section 1 (pp 40-45)
  • Chapter 3 Section 2 (pp 51-54)
  • Chapter 3 Learning From Others (pp 59-62)
  • Chapter 3 Section 3 (pp 63-70)
  • Chapter 3 Section 4 (pp 78-93)
Problems
  • Chapter 3 Section 2 (pp 51-54): 3,5,7,11,15,18,19
  • Chapter 3 Learning From Others (pp 59-62): prompt A (p 59, solutions 1-4), prompt B (p 60, solutions 5-7, prompt C (p 61, solutions 8 & 9)
  • Chapter 3 Section 3 (pp 63-70): 1,7,11,17,26

Early Send-Ins

  • By 8:59 pm Sunday, 2/4/18, email to me (day@ilstu.edu; write MAT 409 Assignment #3 as subject line) your responses to:
    • (a) Ch 3 Sec 2: #18
    • (b) Ch 3 Sec 3: #26
    • (c) Ch 3 Learning From Others: Responses to Prompts A,B,C

Looking Ahead: Test #1 Prep Previously Used Test Questions



Fundamental Components of a Problem-Solving Approach to Combinatorics Problems