Texas Essential Knowledge and Skills (TEKS)2- & 3-Dimensional Figures |
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| Grade: | 2nd Grade |
| Standard: | 2.8.B |
| Description: | classify and sort three-dimensional solids, including spheres, cones, cylinders, rectangular prisms (including cubes as special rectangular prisms), and triangular prisms, based on attributes using formal geometric language; |
| Standard: | 2.8.C |
| Description: | classify and sort polygons with 12 or fewer sides according to attributes, including identifying the number of sides and number of vertices; |
| Standard: | 2.8.E |
| Description: | decompose two-dimensional shapes such as cutting out a square from a rectangle, dividing a shape in half, or partitioning a rectangle into identical triangles and identify the resulting geometric parts. |
2nd Grade Math - 2- & 3-Dimensional Figures Lesson