Measuring Angles with Circle Rotations
Grade 9th Grade · Math · 45 min
What's Included
Learning Objective
I can measure angles in degrees using rotations of a circle.
Warm-Up Video
mathantics · 9:17
Math Antics - Angles & Degrees
Guided Notes
3 key concepts
- 1
Angles are measured in degrees, which are units of rotation.
- 2
A right angle is equal to 90 degrees, and a straight angle is equal to 180 degrees.
- 3
A tool called a protractor is used to measure angles, similar to how a ruler measures length.
Practice Questions
8 questions · Multiple choice
Exit Ticket
Quick comprehension check
“If a full circle is 360°, how many degrees is half of a circle?”
Complete Lesson Package
Get all 3 ready-to-use resources:
Teacher Guide
Student Doc
Slides
