Review: ★★★★★★★★★☆

Source: Alison

Introduction: Gain a better understanding of trigonometry, synthetic geometry, lines, and quadrilaterals with the free online Geometry courses from Alison.

Subject covers: We have training courses that are designed specifically for helping you easily understand the concept of angles, shapes, and area as well as the properties and relations of points, lines, surfaces, and solids. We also offer classes that focus on Synthetic Geometry and Coordinate Geometry, where you will study about geometric reasoning, equations of a straight line, finding sides and angles using different ratios, and more.

Review: ★★★★★★★☆☆☆

The MIT Mathematics currently offers several online math courses through the edX platform.

Source: MIT Open Course Ware

Subject covers: Calculus 1A: Differentiation, Introduction to Differential Equations, Differential Equations: 2x2 Systems, Calculus 1C: Coordinate Systems & Infinite Series, Fundamentals of Statistics, Calculus 1B: Integration, Differential Equations: Linear Algebra and NxN Systems of Differential Equations, Differential Equations: Fourier Series and Partial Differential Equations, Transfer Functions and the Laplace Transform

Review: ★★★★★★☆☆☆☆

Source: Khancademy

Subject covers: Geometry foundations, Transformations, Congruence, Similarity, Right triangles & trigonometry, Solid geometry, Analytic geometry Circles.

Review: ★★★★★★☆☆☆☆

Source: Khancademy

Subject covers: : Trigonometry with right triangles, Trigonometry with general triangles, The unit circle definition of sine, cosine, and tangent, Graphs of trigonometric functions, Trigonometric equations and identities

Review: ★★★★★★★★☆☆

Source: Cosmo Learning

Introduction: Basic Algebraic Geometry

Subject covers: Varieties, morphisms, local rings etc...

Review: ★★★★★★★★☆☆

Source: Cosmo Learning

Introduction: Course about Analytical geometry

Subject covers: Conic sections

Review: ★★★★★★★★☆☆

Source: Cosmo Learning

Introduction: Differential geometry is a mathematical discipline that uses the methods of differential calculus to study problems in geometry.

Subject covers: Theory of plane and space curves, Grigori Perelman's proof of the Poincare conjecture.

Review: ★★★★★★★★★★

This collection of resources is produced by the Core Maths Support Programme to support the implementation of Core Maths. The collection contains a range of activities all designed to enable students to use and apply mathematics in unfamiliar contexts.

Subject covers: Numbers and Measures (Bar Codes, Body mass index (BMI), Body surface area, Box problem) Financial Maths (Annual percentage rate (APR), Borrowing money, Budgeting, Budgeting and foreign exchange, Discrete Mathematics (A doll's house, Bin packing, Build or buy?, Garden design), Algebra and Graphs (Annual percentage rate, (APR), Body mass index (BMI), Body surface area, Box problem), Probability (Champion of the world, Estimation, Assumptions and Predictions, Experiments with marbles), Statistics (Chicken and egg, Due dates, Designing questionnaires, Methods of sampling)