Unit 7: Angles and Angle Measurement
Students learn to draw and identify points, rays, segments, angles, and lines, including parallel and perpendicular lines. They use a protractor to measure angles and identify acute, obtuse, right, and straight angles in two-dimensional figures.
Worksheets
Every sheet has an answer key. Free to print, no login.
What this unit covers
A Points, Lines, Segments, Rays, and Angles · 5 lessons
Goals
- Draw and identify points, lines, rays, segments, and parallel and intersecting lines in geometric figures.
- Recognize that angles are formed wherever two rays share the same starting point, and identify angles in two-dimensional figures.
Lessons
- How Would You Describe These Figures?
- Points, Lines, Rays, and Segments
- Two or More Lines
- Points and Lines All Around
- What Is an Angle?
B The Size of an Angle · 6 lessons
Goals
- Recognize that angles can be measured in degrees and found, using addition and subtraction.
- Use a protractor to measure and draw angles, and recognize that perpendicular lines create 4 right angles.
Lessons
- Compare and Describe Angles
- The Size of an Angle on a Clock
- The Size of An Angle, in Degrees
- Use a Protractor to Measure Angles
- Angle Measurement and Perpendicular Lines
- Use a Protractor to Draw Angles
C Angle Analysis · 5 lessons
Goals
- Draw and identify acute, obtuse, right, and straight angles in two-dimensional figures.
- Write equations to represent angle relationships, and reason about and find unknown measurements.
Lessons
- Types of Angles
- Find Angle Measurements
- Reasoning about Angles (Part 1)
- Reasoning about Angles (Part 2)
- Angles, Streets, and Steps (Optional)