Unit Plan
Mathematics Vision Project

Circles: A Geometric Perspective

For Teachers 10th - 12th Standards
Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...
Unit Plan
EngageNY

Complex Numbers and Transformations

For Teachers 11th - 12th Standards
Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...
Unit Plan
Cuemath

Cuemath: Tangent

For Students 9th - 10th Standards
Learn about the tangent definition in geometry, tangent geometry, tangent to a circle, tangent line equation. Check-out the solved examples for better understanding and try your hand at the tangent line calculator or solving a few...
Unit Plan
Oswego City School District

Regents Exam Prep Center: Circles, Segments, and Area

For Students 9th - 10th Standards
A wealth of resources to supplement instruction on parts of the circle. Find lessons describing chords, tangents, secants, and segments, as well as related practice quizzes and classroom activities.
Unit Plan
Cuemath

Cuemath: Circles

For Students 3rd - 8th Standards
Explore everything about circles. Learn various parts of a circle like a diameter, radius, circumference, circles chord, tangent circles, major arc, segment, sector, and discover other interesting aspects of it. Try your hand at solving...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Tangent Lines

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students about tangent lines and how to apply theorems related to tangents of circles.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Segments From Secants and Tangents

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to solve for missing segments created by a tangent line and a secant line intersecting outside a circle.
Unit Plan
Khan Academy

Khan Academy: Challenge Problems: Radius & Tangent

For Students 9th - 10th Standards
Solve two challenging problems that apply properties of tangents to find the radius of a circle with a tangent.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Angles Outside a Circle Intermediate

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to calculate angles formed outside a circle by tangent and secant lines.
Unit Plan
Khan Academy

Khan Academy: Determining Tangent Lines: Lengths

For Students 9th - 10th Standards
Solve two problems that apply properties of tangents to determine if a line is tangent to a circle.
Unit Plan
Khan Academy

Khan Academy: Determining Tangent Lines: Angles

For Students 9th - 10th Standards
Solve two problems that apply properties of tangents to determine if a line is tangent to a circle.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Angles on and Inside a Circle Intermediate

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to find angles on and inside a circle created by chords and tangent lines.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Parts of Circles

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Name the parts of a circle.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Angles on and Inside a Circle

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Solve problems containing angles on or inside a circle.
Unit Plan
Khan Academy

Khan Academy: Challenge Problems: Circumscribing Shapes

For Students 9th - 10th Standards
Solve two challenging problems that apply properties of tangents to find the perimeter of a circumscribing shape.