About This Lesson
This is a second grade Math Unit, Lesson 10 out of 15. Reasoning with Shapes and their Attributes - How Many Squares Fit. As part of lesson 8, students used same-size squares to compose rectangles. This lesson places student learning wholly in the domain of standard 2.G.2 because, rather than composing a rectangle, students are partitioning a rectangle into same-size squares and then counting the squares to find the total number. Aligned to Common Core State Standards: 2.G.2 , MP.3 , MP.5 , MP.7
