# The Lesson Study Group

at Mills College

## Ways of Counting and Mathematical Expression

Description Four video feature a series of third/fourth grade lessons designed to support students as they explore the relationship between ways of counting and mathematical expression. Students share different strategies and engage in classroom discussions that...

## Introduction to Fractions in a Linear Measurement Context

Description Three videos feature a third/fourth grade lesson designed to support students as they explore fractions in a linear measurement context. In each lesson, students share different strategies and engage in classroom discussions that surface: fractions are...

## A Conceptual Understanding of Multiplication

Description This video features a series of four third-grade lessons designed to support students as they develop a conceptual understanding of multiplication. In each lesson, students share different strategies and engage in classroom discussions, surfacing that...

## Area of Rectangles and Squares

Description This video features a third grade lesson designed to support students as they make sense of area and consider ways of calculating it. Students share different strategies and engage in a classroom discussion, surfacing a foundational definition of area (the...

## Using a Diagram to Identify the Operation to Solve a Word Problem

Description This video features a second grade lesson designed to support students as they explore how to represent and solve a word problem when the subtrahend is unknown (54 – ___ = 23).  Students share different strategies and engage in a classroom discussion...