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.
