
Angles Subtended by Arcs
Students learn about the angles subtended by an arc at the center and at remaining parts of the circle. They also study cyclic quadrilaterals.
About This Topic
Students learn about the angles subtended by an arc at the center and at remaining parts of the circle. They also study cyclic quadrilaterals.
Key Questions
- How is the angle at the center related to the angle at the circumference?
- What are the properties of angles in the same segment?
- What defines a cyclic quadrilateral?
Planning templates for Mathematics
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
Unit PlannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
RubricMath Rubric
Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
More in Quadrilaterals and Circles
Properties of Quadrilaterals
Investigating the angle sum property of a quadrilateral and the specific properties of parallelograms. Students learn the Mid-point theorem.
2 methodologies
Circles and Chords
Introduction to circles, radius, diameter, and chords. Students explore theorems related to perpendiculars from the center to a chord.
2 methodologies