1.  The class scored the following scores on the test: 20, 92, 82, 85, 92.  Median? Mean? Mode?  Is the mean or median more useful in this situation? Why?  20 is an outlier.  Other situations where the mean or median is more useful?

3.  Take a minute to write down what characteristics might be necessary to call a shape a parallelogram.

4.  A parallelogram is a quadrilateral with both pairs of opposite sides parallel. >> > >

5.  Fold a piece of graph paper into fourths.  In the top left quadrant draw a parallelogram ABCD it can be big or small. No rectangles.  What are the slopes? AB = ?, BC =?, CD =?, DA =?  How do you know it’s a parallelogram? >> > >

6.  Fold a piece of graph paper into fourths.  In the top right quadrant draw a parallelogram EFGH it can be large or small. No rectangles.  Try to make it so the sides are not of equal length.  What can you conclude about the opposite sides of a parallelogram? >> > >

7.  Solve for x and y

8.  In the bottom left quadrant draw a parallelogram make this one fairly big. No rectangles.  Now measure the angles.  What two traits do you notice? Discuss with your neighbor. >> > >

9.  Solve for a and b

10.  In the bottom right quadrant draw a parallelogram make this one fairly big. No rectangles.  Draw the diagonals of the parallelogram.  What do notice about these? Discuss with a neighbor. >> > >

11.  Solve for r and s

13.  How much information do we need to know whether or not a quadrilateral is also a parallelogram?

14.  Prove it!

17.  PROVE IT!!!!!!!OMG!!

18. Rewrite this as a two column proof

20.  Determine whether the shape is a parallelogram. If it is find the remaining information.  6.2) Pg. 333: 20-37, 60, 65-70  Pg. 342: 9-15, 17-20, 29