2-D Shapes (Chapters 1 & 2)
Lesson 4: Max/Min Rectangle Measures (2.3 & 2.4)
Learning Goals of Lesson 4
By the end of this lesson, I can:
-explain why a square is a special RECTANGLE
-figure out that a square is the optimal rectangle
-find the dimensions of the rectangle that provide the
maximum area given a fixed perimeter
-find the dimensions of the rectangle that provide the
minimum perimeter given a fixed area
-solve maximum and minimum measure problems of rectangles
Gizmo Investigation 1:
Maximize the Area of a Rectangle Given Its Perimeter
Step 1: Go to www.explorelearning.com
Step 2: Click on "Enroll in a Class" (Right Top Corner)
Step 3: Enter Class Code: DJHZXPBZH3
Step 4: Create an account or login to enroll in class
Step 5: Click on "Maximize Area"
Step 6: Click on "Exploration Guide" for instructions
Step 7: Explore the Gizmo as instructed
Step 4: Create an account or login to enroll in class
Step 5: Click on "Maximize Area"
Step 6: Click on "Exploration Guide" for instructions
Step 7: Explore the Gizmo as instructed
What shape of a rectangle gives maximum area with a fixed perimeter?
Video 1: Maximize Area of Rectangle Given Perimeter
Gizmo Investigation 2:
Minimize the Perimeter of a Rectangle Given Its Area
Step 1: Go to www.explorelearning.com
Step 2: Click on "Enroll in a Class" (Right Top Corner)
Step 3: Enter Class Code: DJHZXPBZH3
Step 4: Create an account or login to enroll in class
Step 5: Click on "Minimize Perimeter"
Step 6: Click on "Exploration Guide" for instructions
Step 7: Explore the Gizmo as instructed
What shape of a rectangle gives minimum perimeter with a fixed area?
Video 2: Square as the Optimal Rectangle
Maximize Area:
Minimize Perimeter: Worksheet 1-7: |
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Prior Grade 9 Review:
Squares = Rectangles with Congruent Sides (Same Sides)
Smartboard Class Notes
september_11.pdf | |
File Size: | 194 kb |
File Type: |