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K–12 teaching and learning · from the UNC School of Education

Making virtual triangles

http://illuminations.nctm.org/LessonDetail.aspx?ID=L84

A lesson plan for grade K Mathematics

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This lesson, one of a five-part unit from Illuminations titled “Investigating Shapes: Recognizing, Constructing, and Identifying Triangles,” students identify and recognize triangles using multiple representations interactive electronic geoboards to explore the characteristics of triangles.

North Carolina Curriculum Alignment

Mathematics (2004)

Kindergarten

  • Goal 3: Geometry - The learner will explore the concepts of geometry.
    • Objective 3.01: Identify, build, draw, and name triangles, rectangles, and circles; identify, build, and name spheres and cubes.