Lesson 22 Day 1
If you do not have Book 1 and/or Book 2 at home, click on the following buttons to bring up the pages you need. Please print these pages so you can complete the work.
Friday, March 20th
Area of Polygons
Today you are going to explore the relationships

Goals 
I will be able to explain the relationship between the area of a rectangle and the area of a parallelogram.
I will be able to explain the relationship between the area of a rectangle and the area of a triangle. 
APK 
(Accessing Prior Knowledge)
What would you tell someone who wanted to know how to calculate the area of a rectangle? What part of the rectangle does the area cover? What is the formula for the area of a rectangle? What units are used when you calculate the area of a rectangle and why are these units used? Here is a quick review for you to watch!

Make Sense of the Problem
What are you trying to find out in this problem? What is important?
What did you notice?
Click on the button below to post your observations about this problem.
Be sure to put your name on your post!
What did you notice?
Click on the button below to post your observations about this problem.
Be sure to put your name on your post!
Solve and Support your Thinking
How well are you doing?
The relationship between rectangles and parallelograms and the relationship between parallelograms and triangles.
Watch the following video to explore these relationships.
Need more? Here is another video with a more indepth explanation of the area of parallelograms.
And another one to help you with triangles!
Now that the area in your head is filled with the knowledge about how to calculate the area of a parallelogram and the area of a triangle, read the explanation in Book 1 on page 229.
Reflection
Complete the reflection question on the bottom of page 229 in Book 1. Don't forget to write in complete sentences with complete thoughts. Start by rephrasing the question to begin your answer.
Homework Assignment
Book 2, pages 247 and 248

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