K-4 MATHEMATICAL STANDARDS

GEOMETRY AND SPATIAL SENSE

Activities in grades K­4 help students develop an intuitive sense about spatial relationships. These relationships emphasize the direction, orientation, and perspectives of objects in space. Further, these concepts promote geometric understandings.

Other investigations and explorations that involve visualizing, drawing, and comparing shapes develop geometric ideas. As students recognize shapes, they are then able to identify properties of the shape. Relationships among shapes develop and finally students make deductions based on their observations.

In grades K­4, the mathematics curriculum should include two- and three-dimensional geometry so that students can­

• describe, model, draw, and classify shapes;

• investigate and predict the results of combining, subdividing, and changing shapes;

• develop spatial sense;

• relate geometric ideas to number and measurement ideas; and

• recognize and appreciate geometry in their world

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