Measuring Angles with Circle Rotations
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Objective
I can measure angles in degrees using rotations of a circle.
Part 1 of 4
Warm-up video
mathantics · 9:17Vetted channel
We don't generate video — this one is by mathantics on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 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.
Part 3 of 4
Practice
8 questions
What unit is used to measure angles?
How many degrees are in a full circle rotation?
Part 4 of 4
Exit ticket
Quick comprehension check
“If a full circle is 360°, how many degrees is half of a circle?”
Sample answer included in the free materials
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