Unit Plan
CK-12 Foundation

Ck 12: Geometry: Arcs in Circles

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students apply the properties of arcs and central angles. Students examine guided notes, review guided practice, watch instructional videos and...
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...
Handout
Math Open Reference

Math Open Reference: Major and Minor Arcs

For Students 9th - 10th
Learn about major and minor arcs with this helpful reference tool. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Article
Khan Academy

Khan Academy: Introduction to Japan

For Students 9th - 10th
Japan is an island country consisting of four major and numerous smaller islands. The islands lie in an arc across the Pacific coast of northeastern Asia, forming a part of the volcanic "Rim of Fire." From north to south this chain of...