**Lines, line segments and rays**

- Euclid as the father of geometry
- Language and notation of basic geometry
- Lines, line segments, and rays
- Drawing lines exercise example

**Angle basics**

- Angle basics
- Naming angles
- Angle measurement and circle arcs
- Angles and circumference
- Measuring angles in degrees
- Using a protractor
- Measuring angles
- Constructing angles

**Interpreting angles**

- Acute right and obtuse angles
- Measuring angles in degrees
- Recognizing angles examples
- Drawing acute, right and obtuse angles
- Angle sense examples
- Parallel and perpendicular lines intro
- Identifying parallel and perpendicular lines
- Angle of a turn
- Decomposing an angle

### Line of symmetry

**Classifying shapes**