The student will identify and describe congruent and noncongruent plane figures.
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An equilateral triangle has three congruent sides. All angles of an equilateral triangle are congruent and measure 60 degrees.
Identify and describe plane and solid figures (e.g., circle/sphere, square/cube, and rectangle/rectangular prism), according to the number and shape of their faces, edges, and vertices using models.
Students at this level do not need to use the terms polygon, quadrilateral, or congruent.
Building geometric and spatial capabilities fosters enthusiasm for mathematics while providing a context to develop spatial sense.
Guided explorations of the study of symmetry using mirrors, paper folding, and pattern blocks will enhance students’ understanding of the attributes of symmetrical figures.