Lesson: Classifying Quadrilaterals

Lesson: Classifying Quadrilaterals

Multiple Choice

What does the prefix QUAD mean in the word: Quadrilaterals?

• 2

• 4

• 6

• 8

Quadrilateral

A closed shape with 4 sides.

There are several shapes that have 4 sides. Do you remember any?

Multiple Choice

What does parallel mean?

• lines that are not the same length

• lines that are the same length

• lines that will cross eventually

• lines that will never meet

Parallelogram

• It has two pairs of parallel sides

• Opposite sides and angles are congruent (equal)

Rectangle

• Two pairs of parallel sides (Parallelogram)

• 4 right (90^o) angles

• Opposite sides are equal

• Opposite angles are equal

Rhombus

• Two pairs of parallel sides (Parallelogram)

• Opposite angles are equal

• All 4 sides are equal (congruent)

• 
  

Square

• Two pairs of parallel sides (Parallelogram)

• 4 right (90^o) angles

• Opposite angles are equal

• All 4 sides are equal (congruent)

Multiple Choice

Is this shape a parallelogram (2 pairs of parallel sides)?

• yes

• no

Trapezoid

• Only ONE pair of parallel sides (NOT a Parallelogram)

•