Education Technology

# Activities

• ALG3I.edc

• ##### Subject Area

• Math: Algebra I: Equations and Inequalities

9-12

30 Minutes

• ##### Device
• TI-83 Plus Family
• TI-84 Plus
• TI-84 Plus Silver Edition
• TI-89 / TI-89 Titanium
• TI-92 Plus / Voyage™ 200
• TI-Navigator™
• ##### Software

LearningCheck™ Creator

• ##### Accessories

TI Connectivity Cable

## Intersecting Lines and Planes

#### Activity Overview

In these problems, students are asked to find: point of intersection of two lines; coefficients that make two lines parallel; intersection of diagonals of a quadrilateral; and the point of intersection of three planes.

#### Before the Activity

In these problems, students are asked to find: point of intersection of two lines; coefficients that make two lines parallel; intersection of diagonals of a quadrilateral; and the point of intersection of three planes.

#### During the Activity

This LearningCheck™ appvar can be sent to your class using TI-Navigator™.

#### After the Activity

Review student results:

• As a class, discuss questions that appeared to be more challenging
• Re-teach concepts as necessary