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February 10, 2009

February 10, 2009. “What lies behind us and what lies before us are tiny matters compared to what lies within us.” -Ralph Waldo Emerson. February 10, 2009. Buy Class Notes in bookstore Exam 1: Thursday, 2/12 *50 minutes*

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February 10, 2009

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  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.

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