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### Course: 4th grade (Eureka Math/EngageNY) > Unit 4

Lesson 1: Topic A: Line and angles- Terms & labels in geometry
- Lines, line segments, & rays
- Identify points, lines, line segments, rays, and angles
- Lines, line segments, and rays review
- Angles: introduction
- Angle basics
- Angle basics review
- Estimate angle measures
- Naming angles
- Name angles
- Types of angles by measure
- Recognizing angles
- Recognize angles in figures
- Acute, right, & obtuse angles
- Angle types
- Drawing acute, right and obtuse angles
- Angle types review
- Parallel & perpendicular lines intro
- Parallel & perpendicular lines
- Identify parallel and perpendicular lines
- Drawing parallel line segments
- Draw parallel and perpendicular lines
- Parallel and perpendicular lines review

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# Angle basics

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