Mathematics

Pt. 1. Shows interviews with children ages 7 through 9 and focuses on their number sense and understanding of place value. Pt. 2. Focuses on 10-year-old students' ability to estimate, reason numerically, and compute with whole numbers in proble-solving situations. Pt. 3. Deals with fractions and features an in-depth look at one 12-year-old's process of thinking and reasoning.