Access Point #: MAFS.912.G-GMD.2.AP.4a (Archived Access Point)


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Identify shapes created by cross sections of two-dimensional and three-dimensional figures.

Clarifications:

Essential Understandings

Concrete:

  • Identify the shape of a side(s) of a three-dimensional object.
  • Match a picture of the side with a picture of the shape.
Representation:
  • Dissect a two- or three-dimensional shape using a model or geometry software, and identify the new shape that is created.

Number: MAFS.912.G-GMD.2.AP.4a Category: Access Points
Date Adopted or Revised: 07/14 Cluster: Visualize relationships between two-dimensional and three-dimensional objects. (Geometry - Additional Cluster)

Clusters should not be sorted from Major to Supporting and then taught in that order. To do so would strip the coherence of the mathematical ideas and miss the opportunity to enhance the major work of the grade with the supporting clusters.

Related Standards

Name Description
MAFS.912.G-GMD.2.4: Identify the shapes of two-dimensional cross-sections of three-dimensional objects, and identify three-dimensional objects generated by rotations of two-dimensional objects.



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