School Geometry Courses and Certifications

Geometry and Measurement

Start exploring geometry with an intuitive introduction to the essentials.

• Brilliant
• 12-18 hours
• Self-Paced
• Paid Course

Geometric Thinking

Strengthen your foundations in geometry with angles, triangles, and polygons.

• Brilliant
• 4 hours
• Self-Paced
• Paid Course

RWM103: Geometry

Work through school geometry: parallel and perpendicular lines, triangle congruence and similarity, polygons, circles, right triangle trigonometry, perimeter, area, surface area, and volume.

• Saylor University
• 41 hours
• Self-Paced
• Free Certificate

Geometry Lessons

A compact geometry primer that moves from angle relationships and polygons to a proof of the Pythagorean theorem.

• YouTube
• 30 minutes
• Self-Paced
• Free Video

The Organic Chemistry Tutor

Geometry Introduction - Basic Overview - Review for SAT, ACT, EOC, Midterm, Final Exam

Quickly review geometry formulas, common shapes, and missing-side problems for school and standardized exams.

• YouTube
• 23 minutes
• Self-Paced
• Free Video

The Organic Chemistry Tutor

Surface Area and Volume of Square and Triangular Pyramids

Learn to calculate the volume, surface area, and lateral area of square and triangular pyramids through formulas, examples, and practice problems.

• YouTube
• 30 minutes
• Self-Paced
• Free Video

Insights into Mathematics

The Language of Geometry - Math Terminology

A concise review of elementary geometry terminology, from Euclidean shapes and triangles to transformations, Platonic solids, and Cartesian coordinates.

• YouTube
• 41 minutes
• Self-Paced
• Free Video

Insights into Mathematics

The Area of a Triangle and Archimedes' Formula - Famous Math Problems

A rational-trigonometry approach to finding a triangle’s area from its three side lengths, replacing Heron’s formula with a clearer formula.

• YouTube
• 38 minutes
• Self-Paced
• Free Video

Professor Leonard

Formulas for Circles, Cylinders, and Rectangular Prisms - Boxes

Learn formulas for circles, cylinders, and rectangular prisms, with examples of how to use them.

• YouTube
• 23 minutes
• Self-Paced
• Free Video

Professor Dave Explains

Geometry

An introduction to Euclidean geometry covering triangle relationships, the Pythagorean theorem, polygons, circles, area, and three-dimensional measurements.

• YouTube
• 1 hour 30 minutes
• Self-Paced
• Free Video

The Organic Chemistry Tutor

Geometry Video Playlist

A video playlist moving from basic geometric definitions through proofs, similarity, circles, coordinate geometry, trigonometry, and solid-geometry measurement.

• YouTube
• 1 day 15 hours
• Self-Paced
• Free Video

Geometry

Learn foundational geometry through lines, angles, triangles, polygons, area, volume, circles, and introductory geometric proofs.

• YouTube
• 1 hour 30 minutes
• Self-Paced
• Free Video

Career Certificate

The Pythagorean Theorem

Explore why the Pythagorean Theorem works, then apply it to unknown sides, coordinate-plane distances, and 2D and 3D problems.

• CodeSignal
• 6 hours
• Self-Paced
• Free Certificate

Volume of 3D Solids

Learn to calculate the volume of cubes, rectangular prisms, and cylinders and solve everyday capacity problems.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

6th-8th Grade Math: Practice & Review

Review 6th-8th grade math: arithmetic with fractions, decimals and integers, algebraic expressions and linear equations, geometry, probability and statistics.

• Study.com
• 2 days 14 hours 24 minutes
• Self-Paced
• Paid Course