mathematics

Geometry

Geometry is a foundational mathematics course that explores the properties, measurements, and relationships of points, lines, planes, and solids in two and three dimensions. This course emphasizes logical reasoning, deductive proof, and spatial visualization. Students will learn to analyze geometric figures, understand congruence and similarity, apply theorems related to angles, lines, triangles, quadrilaterals, and circles, and calculate perimeters, areas, and volumes. 
Format

Hybrid
Academy

Grade level alignment

10th
11th
12th

Online Modules

Monday
Thursday

Direct Instruction

Tuesday
2nd Period
Highschool

Starting date

September
16, 2025

Price

$90
per month

Course Goals

Upon successful completion of Geometry, students will be able to:
  • Understand and apply fundamental geometric postulates and theorems.
  • Use deductive reasoning to write and interpret geometric proofs.
  • Analyze properties of points, lines, planes, angles, and polygons.
  • Identify and apply conditions for congruence and similarity in triangles and other figures.
  • Solve problems involving perimeter, area, surface area, and volume of two- and three-dimensional figures.
  • Understand and apply concepts of transformations (translation, rotation, reflection, dilation).
  • Apply the Pythagorean Theorem

and more!

Considerations for 10th Grade

 This is the most common grade level for Geometry. Students typically have completed Algebra 1, providing a good foundation for coordinate geometry and algebraic applications within geometric contexts. The pace can be consistent, focusing on proofs and conceptual understanding.

Considerations for 11th Grade

For 11th graders, the course might serve as a necessary prerequisite for pre-calculus or as a standalone math credit. The pace could be slightly accelerated if students have a strong background, allowing for more challenging proofs or real-world applications.

Considerations for 12th grade

Students taking Geometry in 12th grade might be doing so as a final math credit or to solidify their understanding before college. Emphasis can be placed on problem-solving and connecting geometric concepts to other fields.

Mosaic 2025 - 2026 Course Offerings

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