Kindergarten Mathematics Module 2, Topic C

class with teacher

Topic C closes the module with discrimination between flats and solids. In Lesson 9, students are identifying and sorting flat and solid shapes. The goal of this lesson is to focus the student’s attention on the attributes of a flat or solid shape instead of trusting how it looks. The students will learn to sort shapes and explain the reason for their groups. Young children might group the first and third shapes because “they look like triangles,” but not the second shape because “it doesn’t look like other triangles.” This module closes with a culminating task which asks students to distinguish between variants, non-examples, and examples of flat shapes. The task continues as students relate the flat shapes to solid shapes as they create a solid and flat shape display.

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Common Core Learning Standards

CCLS State Standard
K.MD.3 Classify objects into given categories; count the numbers of objects in each category and sort the...
K.G.3 Identify shapes as two-dimensional (lying in a plane, “flat”) or three- dimensional (“solid”).
K.G.4 Analyze and compare two- and three-dimensional shapes, in different sizes and orientations, using...

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