Changes

# Show a simple Geogebra file with triangles – Use this file to demonstrate that every triangle has the elements - vertices, sides and angles

# Show a simple Geogebra file with triangles – Use this file to demonstrate that every triangle has the elements - vertices, sides and angles

# How many triangles were formed?  Were there any strings left over?

# How many triangles were formed?  Were there any strings left over?

# For each of the triangles trace the shape on the book and write down the elements of the triangle in the following format {| class="wikitable" | | | | |- | | | | |- | | | | |- | | | | |}

# For each of the triangles trace the shape on the book and write down the elements of the triangle in the following format  

# For each of the triangles observe (inspect visually) which is the longest side and which is the shortest side  {| class="wikitable" !Triangle name !Largest angle !!Largest side !Smallest angle !Smallest side |- | | | | | |- | | | | | |- | | | | | |}

{| class="wikitable"

|-

|-

| || ||  

|-

| || ||  

|-

| || ||  

|}

# For each of the triangles observe (inspect visually) which is the longest side and which is the shortest side  {| class="wikitable" |- !Triangle name !Largest angle !!Largest side !Smallest angle !Smallest side |- | | | | | |- | | | | | |- | | | | | |}

# Allow the students to explore if there is any connection between the two?

# Allow the students to explore if there is any connection between the two?

# After the students see the Geogebra file, they can attempt an alternative worksheet like below:  {| class="wikitable" !Side1 !Angle 1    (opposite angle) !Side2 !Angle 2    (opposite angle !Side3 !Angle 3    (opposite angle) !Largest side and angle    ex-side1,angle1 !Smallest side and angle    ex-side3,angle3 |- | | | | | | | | |- | | | | | | | |}

# After the students see the Geogebra file, they can attempt an alternative worksheet like below:  {| class="wikitable" !Side1 !Angle 1    (opposite angle) !Side2 !Angle 2    (opposite angle !Side3 !Angle 3    (opposite angle) !Largest side and angle    ex-side1,angle1 !Smallest side and angle    ex-side3,angle3 |- | | | | | | | | |- | | | | | | | |}