Classifying Triangles | How to Name Triangles (Mastery Check) | 5th Grade Math
From Math with Mr. J
4 min3rd4th5thMath
Summary
How to identify and classify shapes -- polygons, quadrilaterals, triangles, and 3D solids -- by their attributes. Mr. J sorts shapes by their properties.
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Teaching resources
Discussion questions
Shapes are grouped by attributes like number of sides, angle types, and parallel sides.
- What makes a shape a polygon?
- What attributes separate a square from other quadrilaterals?
- How can a shape belong to more than one category?
Quick work-a-long
Words to know: polygon, quadrilateral, attribute, vertices, sides
- Sort several shapes into polygons and non-polygons.
- Name the attributes that make a rectangle a rectangle.