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	Math TODAY - More 10-digit Dialing

Activity Overview

It used to be that a household had one phone number, which easily accommodated everyone in the family. But today, with personal faxes, pagers and cellphones, the typical contemporary family has several "phone numbers."

Before the Activity

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.

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During the Activity

Students will:

make a scatter plot using data.

determine and draw a line of best fit.

calculate the equation in slope-intercept form of their line of best fit.

use their equation to make predictions.

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.

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2-06_10digitdialing_MT_Transparency_Final.pdf
2-06_moredialing_MTC_SE_Final.pdf

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.

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