Area is the surface included within a plane figure. Area is measured by the number of square units needed to cover a surface or plane figure.
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Area is the number of iterations of a two-dimensional unit needed to cover a surface. The two-dimensional unit is usually a square, but it could also be another shape such as a rectangle or an equilateral triangle.
The student will estimate and a) measure the distance around a polygon in order to determine its perimeter using U.S. Customary and metric units; and b) count the number of square units needed to cover a given surface in order to determine its area.
Develop a procedure for determining the area of a right triangle using only whole number measurements given in metric or U.S. Customary units, and record the solution with the appropriate unit of measure (e.g., 12 square inches). (a)
Volume of a three-dimensional figure is a measure of capacity and is measured in cubic units.
measure the distance around a polygon in order to determine its perimeter using U.S. Customary and metric units; and