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Grade 3 - Measurement and Geometry
Standard 3.MD.8 - Compare two figures that have either the same area or perimeter. Use the information to find the missing dimensions.
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.