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Geometry

Circles

Our Geometry department is customized to narrow the scope to the most detailed topics like Circles, then expand to include multiple areas of specialization to achieve comprehension of context within the Mathematics department. Coverage in this topic includes examination of Constant Pi and Lines Tangent to provide proficiency from basic understanding to advanced concepts. In our lessons Radius of a Circle and Area of Circles, you will attain strong foundational skills on which to enhance and perfect. Parts of a Circle is a lesson planned to explore applications and properties of a circle. For example, there is a special Relationship Between a Chords, Diameters, and Minor Arcs of a Circle, which might be useful when making proofs about Inscribed Quadrilaterals. Enrich your mathematical skills with Circles and elevate your comprehension of concepts, theories and application.​

Sophia's Common Core-Aligned Pathways and Tutorials

We want to make it simple for you to begin integrating Common Core-Aligned Lessons into your classroom Our Math Pathways feature in-depth, relevant content that aligns to these new standards. As an added benefit, these Pathways use Sophia’s Many Ways To Learn, an innovative approach that features multiple instructors and teaching techniques to connect with all kinds of learning styles.

Mathematics Courses for College Credit

Sophia College Courses are low-cost, self-paced, credit-carrying courses eligible for transfer to many different colleges and universities.*

College Algebra

Study fundamental topics in college-level algebra with emphasis on application.

Introduction to Statistics

Grasp core concepts of statistics such as probability distributions, approximations, and hypothesis-testing.

Pathways that Teach Circles

Pathways are a sequence of tutorials that help you learn a whole subject area, one concept at a time. Choose from multiple teachers and teaching styles.
CCSS Math Standard 7.G.4
Concepts: 10
Quiz Points: 150
CCSS Math Standard 9-12.G.C.2
Concepts: 3
Quiz Points: 45
CCSS Math Standard 9-12.G.C.3
Concepts: 1
Quiz Points: 15
CCSS Math Standard 9-12.G.C.5
Concepts: 1
Quiz Points: 15
CCSS Math Standard 9-12.G.GMD.1
Concepts: 5
Quiz Points: 75
Circles Pathway
Concepts: 38
Quiz Points: 570
The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 25 of Sophia's online courses for college credit. These courses are eligible to transfer to many different colleges and universities.