Presents examples of nonstandard units of area which are followed by English and metric units of area, and develops formulas for areas of circles and familiar polygons through visual methods for determining area, perimeter, and circumference.Subsections: Nonstandard Units of Area; Standard Units of Area; Perimeter; Areas of Polygons; Circumferences and Areas of Circles; Problem-Solving ApplicationOne-page Math Activity: Areas of Pattern Blocks Using Different Units
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