LESSON: Area of Parallelograms

Vocab/Object

  Objectives

  • Recognize the area of a parallelogram as the area of a related rectangle.
  • Find the area of parallelograms given base and height.
  • Find unknown dimensions of parallelograms given area and another dimension.
  • Estimate actual areas approximated by parallelograms in scale drawings.
  • Solve real world problems involving area of parallelograms.

Vocabulary

Area
the space within the perimeter of a figure or place. Area often refers to the surface or covering, the middle of a figure. Area is measured in square units.
Parallelogram
a quadrilateral with two pairs of opposite congruent sides.
Rectangle
a parallelogram with two pairs of opposite congruent sides and four 90 degree angles.