Chapter 3A - 2D Geometry

We will cover the following concepts:

1. Measuring, Naming & Constructing Angles up to 180 degrees

(learn benchmark angles such as 0, 45, 90, 135, & 180 degree angles)

2. Naming & Classifying Triangles by Side Lengths and Angles

3. Constructing Triangles given side lengths and angle measures

4. Isometric & Perspective drawings of linking cube-based 3-D objects

Class Handouts

1. Gizmos Vocabulary: Classifying Triangles Reference sheet

2. Properties of Polygons - Quadrilaterals sheet

2. Seven Quadrilaterals sheet

3. Review of Definitions of Quadrilaterals

4. Steps for How to Build Angles and Triangles

Homework Sheets

1. "Measuring Angles" Worksheet.

2. "Using a Protractor to Draw Angles" Worksheet.

3. "Classify Angles" Worksheet.

4. Gizmos "Classifying Triangles" work package.

5. "Classifying Triangles by Angles" worksheet.

6. PH Book P. 36-7 Naming & Sorting Polygons by Sides

7. Identify By Sides worksheet

8. Name Quadrilaterals worksheet

9. POTD Venn Diagram for Sorting Shapes

10. Quadrilaterals Venn Diagram

11. PH Book P. 42-3 - Constructing Triangles worksheet

12. Constructing Triangles Practice Page

13. Geometry Unit Review worksheet

Useful Links