Finding the Area of Shapes

Description This video provides highlights from three fourth-grade lessons designed to support students as they discover formulas for the area of parallelograms, triangles, and trapezoids. Students share different strategies and engage in classroom discussions,...

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...

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...
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