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Below are the objectives for Grade 3.  Click on the link  for students or  for teachers for any objective to see the resources available or to add your own resource.

Home - Math - Grade 3

 

Standard 3: Geometry and Spatial Sense

Resources

Benchmark

Indicator

  

A.   Provide rationale for groupings and comparisons of two-   dimensional figures and three-dimensional objects.

1.   Analyze and describe properties of two-dimensional shapes

      and three-dimensional objects using terms such as vertex,

      edge, angle, side and face.

  

D.   Identify and draw right, obtuse, acute and straight angle.

1.   Identify and describe the relative size of angles with respect

      to right angles as follows:

a.   Use physical models, like straws, to make different sized angles by opening and closing the sides, not by changing the side lengths.

b.   Identify, classify and draw right, acute, obtuse and straight angles.

  

E.   Use attributes to describe, classify, and sketch plane figures,

      and build solid objects.

1.   Analyze and describe properties of two-dimensional shapes

      and three-dimensional objects using terms such as vertex,

      edge, angle, side and face.

2.   Build a three-dimensional model of an object composed of

      cubes; e.g., construct a model based on an illustration or

      actual object.

  

G.  Find and name location in a coordinate system.

1.   Find and name locations on a labeled grid or coordinate

      system; e.g., a map or graph.

  

H.   Identify and describe line and rotational symmetry and   congruency in two-dimensional shapes and designs.

1.       Draw lines of symmetry to verify symmetrical two-dimensional shapes.

2.   Read, write, and apply the definition of congruency for two-        dimensional shapes.

 

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