In this quadrilaterals worksheet, students calculate the measure of angles in five parallelograms, name a quadrilateral, and find values of given variables in three diagrams.  The solutions are provided.

Students define the importance of the properties of quadrilaterals. In this quadrilaterals lesson, students identify the general properties of and compare and contrast the properties of convex and concave quadrilaterals. Students also...

In this area of polygons instructional activity, learners compute the area of squares, rectangles, triangles, trapezoids and parallelograms. Given the area of polygons, students determine the missing dimension of the figure. This...

In this quadrilaterals learning exercise, 10th graders solve and complete 10 different problems that include various types of quadrilaterals to identify. First, they find the value for each variable in the illustrated quadrilateral....

In this tangrams worksheet, 10th graders solve 7 different problems related to designing tangrams. First, they trace each of the figures shown on the sheet. Then, students cut out the pieces and rearrange them to form each figure and...

Students use the Geometer's Sketchpad to illustrate possible answers to a parallelogram problem. As a class, they discuss the point-slope and linear equation forms. Individually, students solve their equations and check the results on...

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to determine missing angles in a parallelogram.

Students who have a clear understanding of the previous lessons can work on gallery problems of their choosing. This can be used as a good review or assessment.

Find a quick, concise explanation of a parallelogram. An example is given and clearly explained.