1. These are parallelograms.

    These are not parallelograms.

    1. Which of the following are parallelograms?
    2. Write a definition for a parallelogram using your own words.
  2. Professor Peabody thinks he should make a section for the parallelograms and a section for the trapezoids. Sort the quadrilaterals into groups: parallelograms, trapezoids, and neither parallelograms nor trapezoids.
    1. Which shapes are trapezoids?
    2. Which shapes are parallelograms?
    3. Which shapes are neither?
    4. Do you think this is a good way to sort the quadrilaterals? Why or why not?
  3. Draw and label sections inside the Quadrilateral section of the zoo. Place the shapes in the appropriate section of the shape zoo.
  4. Look at the trapezoids. Sort the trapezoids into two groups.
    1. What attribute did you use?
    2. Draw and label a section inside the Trapezoid section. Place the appropriate shapes into this section.