A detailed lesson plan covering:
MGSE3.MD.5 Recognize area as an attribute of plane figures and understand concepts of area measurement.
A.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.
B.A plan figure which can be covered without gaps or overlaps by n unit squares is said to have an area of n square units.
MGSE3.MD.6 Measure areas by counting unit squares(square cm, square m, square in, square ft, and improv