1. February 10, 2009 “What lies behind us and what lies before us are tiny matters compared to what lies within us.” -Ralph Waldo Emerson

2. February 10, 2009 Buy Class Notes in bookstore Exam 1: Thursday, 2/12 *50 minutes* Covers 1.2 – 1.4, 1.7, 2.3, 3.1, 3.2 in text, explorations 1.1, 1.4, 1.7, 2.7, 2.9, 3.1, 3.3, 3.6 and notes/problems from class. Sample questions online (answers will be posted) Drop deadline: today

3. February 10, 2009 Agenda: Explorations 3.3 and 3.6 Review for test

4. Explorations 3.3 and 3.6 (Alternative algorithms for addition and subtraction) Expl 3.3 Part 2: do a & b for each algorithm. Expl 3.6 Part 2: do a & b for each algorithm (note typos in b – instead, try 562 – 385, 508 – 476, and 3245 – 683). Again, the names of the algorithms are not important, just try to understand how and why they work.

5. Test 1 Review General topics: Problem solving Patterns Representations Connections Numeration Addition Subtraction

6. Homework Prepare for Thursday’s test.