Education Technology

# Activities

## Math TODAY - Wildfires Nearly Snuffed

#### Activity Overview

Students will use the data from the USA TODAY® Infograph to explore the relationship between area and perimeter for rectangles and circles and they will make generalizations about the shape of the rectangle that will produce the smallest perimeter.

#### Before the Activity

If you are using the TI-Navigator™ System with the TI-73 Explorer™ you will need the attached .pdf file.
See the attached Teacher Edition PDF file for notes and guidelines for this activity. The Technology Guide PDF file includes step-by-step calculator instructions with screen shots.
If you are using the TI-Navigator™ Classroom Learning System, see the TI-Navigator Basic Skills Guide PDF file for information on how the system can be integrated into your activity.

#### During the Activity

Students will:

• Convert measurements within the customary system.
• Investigate relationships between area and perimeter of rectangles.
• Find the radius and circumference of a circle with a given area.
• Determine the type of rectangle with a given area that will produce the smallest perimeter.

• Directions:
• Distribute the Student Edition PDF file to your class.
• Follow the activity procedures outlined in the student document.
• You may use the Transparency PDF file to display a large image of the USA TODAY® graphic during the activity.
• #### After the Activity

Distribute the assessment questions or send the attached LearningCheck™ assessment to your class to gauge student understanding of the concepts presented in the activity.