Describe, compare, and construct 3-D objects, including:
- cubes
- spheres
- cones
- cylinders
- pyramids.
[C, CN, R, V]
| (a) |
Identify examples of cubes, spheres, cones, cylinders, and pyramids as found in the classroom, home, and community. |
| (b) |
Sort a set of personally relevant 3-D objects and explain the sorting rule used. |
| (c) |
Compare the attributes of cubes, spheres, cones, cylinders, and pyramids and generalize descriptions of each category of 3-D objects. |
| (d) |
Compare two 3-D objects of the same type (e.g., both are cylinders) and explain how the dimensions of the objects can be used to compare the objects (one-to-one correspondence or non-standard units). |
| (e) |
Compare two 3-D objects in different orientations (e.g., "If I was to flip this object over, the two objects would have the same height."). |
| (f) |
Create and describe a concrete representation of a personally relevant 3-D object. |
| (g) |
Sort 3-D objects according to two attributes and explain the sorting rule used. |

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