Unit Closure

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SWBAT: â¢ Calculate the area, perimeter, and circumference of polygons. â¢ Determine when to calculate perimeter, area, and circumference. â¢ Calculate the surface area and volume of prisms. â¢ Determine when to calculate surface area and volume. â¢ Plot coordinates on the coordinate plane.

Big Idea

What is going on in the problem? What are you trying to figure out? How can you use what you know to solve the problem? Students apply the skills they have learned throughout Unit 7 to complex tasks.

Do Now

10 minutes


Often, I create do nows that have problems that connect to the task that students will be working on that day.  Today I want students to apply what they know about circles to this picture.  Some students may use the diameter of the largest circle to calculate its area and circumference.  Other students may realize that if the diameter of the largest circle is 4 inches, than the diameter of the medium circles must be 2 inches.  Students can then use this measurement to find the circumference and area of the medium circles.


Group Work

30 minutes


  • I determine what are the most pressing needs of for each of these groups.   If there is a small group that is still struggling with perimeter and area across the board, will start on the Area and Perimeter Task and move onto the Creating Boxes Task.  Groups who are doing well with area and perimeter will start on the Creating Boxes Task and move on to the Moving and Packing Task.  If students complete their tasks they can work on the Putting the Pieces Together Task.
  •  It may save time to fill out the group to do lists before class.



10 minutes


