The students will use the Cabri Jr. APPVAR ALTINT and ALTINT2 to identify alternate interior angles and to discover the relationship that will yield parallel lines.
Before the Activity
- Download the Cabri Jr. APPVAR ALTINT and ALTINT2 to handhelds using TI-Connect software and unit to unit link cables. ALTINT and ALTINT2 may also be sent via TI-Navigator.
- Students should do the worksheet "Selecting and dragging an object using Cabri Jr."
During the Activity
This activity is a lesson launcher for understanding alternate interior angle relationships.
- Distribute Student Worksheet for Alternate Interior angles.
- Students use the Cabri Jr. APPVAR ALTINT and ALTINT2 to answer questions from student worksheet.
After the Activity
Review student results from worksheet.