Activity Detail

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Activity Overview

Students use the Pythagorean theorem to compute the diagonals of rectangles.

Before the Activity

Review the concepts of square and square root

Use the attached transparency sheet to review the Pythagorean theorem

See the attached PDF file for detailed instructions for this activity

Print pages 97 - 99 from the attached Student PDF file for the class

Activity Downloads:

During the Activity

Distribute the pages to the class.
Follow the activity procedures:

Examine the length and width of the precut TV openings

Use the Pythagorean theorem to compute the length of the diagonal of each rectangular opening

Match the diagonals of the TV with the measure of the diagonals of the openings

Decide which television fits in which precut TV opening

After the Activity

Students complete the Student Activity pages.

Review student results

As a class, discuss questions that appeared to be more challenging

Re-teach concepts as necessary

Other Downloads

view standards alignment
view textbook alignment

Subject Area:
Math : Geometry : Triangles

Author:
Texas Instruments

Level:
5-8

Activity Time:
60 Minutes

Device:
TI-30Xa, TI-30X IIB, TI-30X IIS, TI-34 II Explorer Plus™

Apps:

Software:

Accessories:

Other:
This is Activity 12 from the EXPLORATIONS Book:
Investigating Mathematics with Calculators in the Middle Grades

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