Video 1. What Is a Number System?
July 28, 2008 - 2:00 pm Eastern

Video 2. Number Sets, Infinity, and Zero
July 28, 2008 - 2:00 pm Eastern

Video 3. Place Value
July 29, 2008 - 2:00 pm Eastern

Video 4. Meanings and Models for Operations
July 29, 2008 - 2:00 pm Eastern

Video 5. Divisibility Tests and Factors
July 30, 2008 - 2:00 pm Eastern

Video 6. Number Theory
July 30, 2008 - 2:00 pm Eastern

Video 7. Fractions and Decimals
July 31, 2008 - 2:00 pm Eastern

Video 8. Rational Numbers and Proportional Reasoning
July 31, 2008 - 2:00 pm Eastern

Video 9. Fractions, Percents, and Ratios
August 1, 2008 - 2:00 pm Eastern

Video 10. Classroom Case Studies, K-2
August 1, 2008 - 2:00 pm Eastern

Video 11. Classroom Case Studies, 3-5
August 2, 2008 - 2:00 pm Eastern

Video 12. Classroom Case Studies, 6-8
August 2, 2008 - 2:00 pm Eastern