Big Ideas:
Students can use the properties of a parallelogram to prove that a quadrilateral is a parallelogram.
In this lesson students will practice using all known properties of a parallelogram to determine if a quadrilateral is a parallelogram.
Vocabulary:
parallelogram, opposite sides, opposite angles, adjacent angles, diagonals, bisect, congruent, rectangle, rhombus, square
Special Materials:
None.
Lesson plan