Between the two documented lessons, Erika Isomura describes how she challenged her students to use calculators to find patterns in decimal notation. Erika shares her hope that her students would see the representations as a pattern, and she notes that while the students could generate the patterns, they couldn’t yet use their thinking about the patterns in mathematically correct ways.

5th Grade Math – Decimal Place Value*Erika Isomura, Glassbrook Elementary School, Hayward Unified School District, Hayward, California*

Next Up: Day 2 Pre-Lesson Part B

Previous: Day 1 Post-Lesson

Clip transcript coming soon