Dynamic Worksheet version of a lesson taken from the comprehensive [i]Guide for Elementary Geometry Using GeoGebra: Exploring the Common Core Geometry Concepts and Skills[/i] at:
[url]https://sites.google.com/site/geogebraiowa/a-laboratory-guide-for-elementary-geometry-using-geogebra[/url]
[i]Understand concepts of area and relate area to multiplication and to addition.[/i]
Recognize area as an attribute of plane figures and understand concepts of area measurement.
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[*]A square with side length 1 unit, called “a unit square,” is said to have “one square unit” of area, and can be used to measure area.
[*]A plane figure which can be covered without gaps or overlaps by n unit squares is said to have an area of n square units.
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Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units).