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3MG.1.2 Estimate or determine the area and volume of solid figures by covering them with squares or by counting the number of cubes that would fill them.

3MG.2.0Students describe and compare the attributes of plane and solid geometric figures and use their understanding to show relationships and solve problems

3MG.2.1 Identify, describe, and classify polygons (including pentagons, hexagons, and octagons).

3MG.2.2 Identify attributes of triangles (e.g., two equal sides for the isosceles triangle, three equal sides for the equilateral triangle, right angle for the right triangle).

3MG.2.3 Identify attributes of quadrilaterals (e.g., parallel sides for the parallelogram, right angles for the rectangle, equal sides and right angles for the square).

3MG.2.4 Identify right angles in geometric figures or in appropriate objects and determine whether other angles are greater or less than a right angle.

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