José Antonio Cobalea Ruiz

Number Sense

Understanding numbers, their relationships and numerical reasoning

Algebra

Using symbols to solve equations and express patterns

Geometry

Studying shapes, sizes and spatial relationships in mathematics

Measurement

Quantifying and comparing attributes like length, weight and volume

Operations

Performing mathematical operations like addition, subtraction, division

Probability and Statistics

Analyzing uncertainty and likelihood of events and outcomes

Community Resources

Get started with our Resources

Calculator Suite

Exploring functions, solving equations, constructing geometric shapes

Graphing Calculator

Visualizing equations and functions with interactive graphs and plots

Geometry

Exploring geometric concepts and constructions in a dynamic environment

3D Calculator

Graphing functions and performing calculations in 3D

Scientific Calculator

Performing calculations with fractions, statistics and exponential functions

Notes

Exploring apps bundle including free tools for geometry, spreadsheet and CAS

App Downloads

Get started with the GeoGebra Apps

Number Sense

Understanding numbers, their relationships and numerical reasoning

Algebra

Using symbols to solve equations and express patterns

Geometry

Studying shapes, sizes and spatial relationships in mathematics

Measurement

Quantifying and comparing attributes like length, weight and volume

Operations

Performing mathematical operations like addition, subtraction, division

Probability and Statistics

Analyzing uncertainty and likelihood of events and outcomes

Community Resources

Get started with our Resources

Calculator Suite

Exploring functions, solving equations, constructing geometric shapes

Graphing Calculator

Visualizing equations and functions with interactive graphs and plots

Geometry

Exploring geometric concepts and constructions in a dynamic environment

3D Calculator

Graphing functions and performing calculations in 3D

Scientific Calculator

Performing calculations with fractions, statistics and exponential functions

Notes

Exploring apps bundle including free tools for geometry, spreadsheet and CAS

App Downloads

Get started with the GeoGebra Apps

Copia de Construcción de la espiral áurea paso a paso.
Activity
José Antonio Cobalea Ruiz
Razones trigonométrica en la circunferencia goniométrica
Activity
José Antonio Cobalea Ruiz
Homotecia
Activity
José Antonio Cobalea Ruiz
Representación de una recta y pendiente de la misma
Activity
José Antonio Cobalea Ruiz
Lugar geométrico del simétrico de un punto con respecto a una recta que gira alrededor de un punto
Activity
José Antonio Cobalea Ruiz
Lugar geométrico del producto escalar igual a 5 dados dos puntos orígenes
Activity
José Antonio Cobalea Ruiz
La curva de Agnesi
Activity
José Antonio Cobalea Ruiz
Elipse como suma de distancias a dos puntos fijos
Activity
José Antonio Cobalea Ruiz
Parábola
Activity
José Antonio Cobalea Ruiz

José Antonio Cobalea RuizAboutFollow