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3.C.1
Students identify, describe, and classify familiar two-dimensional shapes.
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3.C.1.a
Describe and classify two-dimensional shapes according to the number of vertices and by number, length and shape of sides.
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3.C.1.b
Know how to put shapes together and take them apart to form other shapes.
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3.C.1.c
Identify edges, vertices, and right angles in two-dimensional shapes.
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3.C.1.d
Tell whether a given angle is greater or smaller than a right angle.
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3.C.2
Students understand how to find the distance around a figure.
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3.C.2.a
Calculate and measure the distance around a figure whose perimeter is comprised of straight edges.
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