Chapter 6 - Triangles - Grade 7

Sarah Khaled, Dec 4, 2020

Table of Contents

  1. Introduction
    1. Objectives
    2. Split your screen
    3. How are you?
  2. Theorems Involving Angles
    1. Sum of Angles in a Triangle
    2. Triangle Angle Theorems
  3. Chapter 1
    1. Play the Types of Triangles
    2. Guess the Type of the Triangle
    3. Test the Types of Triangles - Properties, Conditions
  4. Wrap-Up
    1. About you?

1.

Introduction

  • 1. Objectives
  • 2. Split your screen
  • 3. How are you?

1.1.

Objectives

Explore and create engaging, student-centered lessons on GeoGebra
By the end of this session you will
1) Explain the Sum of Angles Theorem[br]2) Find different types of triangles[br]3) Prove the type of triangle[br]
– Sarah Khaled, Rana Sabbagh

1.2.

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1.3.

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2.

Theorems Involving Angles

  • 1. Sum of Angles in a Triangle
  • 2. Triangle Angle Theorems

2.1.

Sum of Angles in a Triangle

Drag the white points to change the measure of the interior angles.
How can you describe the sum of the angles in a triangle?
– Sarah Khaled, Tim Brzezinski

2.2.

–

3.

Chapter 1

  • 1. Play the Types of Triangles
  • 2. Guess the Type of the Triangle
  • 3. Test the Types of Triangles - Properties, Conditions

3.1.

Play the Types of Triangles

List all the types of triangles that you were able to determine.
– Sarah Khaled, Alfred Estberg

3.2.

–

3.3.

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4.

Wrap-Up

  • 1. About you?

4.1.

About you?

So, we are back to your feelings.
How are confident are you, 10 weeks into our online sessions?
Share your thoughts by checking the box(es) below:
– Sarah Khaled, Rana Sabbagh

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