## GeoGebra 4.0 Tutorials

If you have not visited my GeoGebra tutorials recently, I have updated 21 tutorials to GeoGebra 4.0.

**GeoGebra 4.0 Essentials Series**

- GeoGebra 4.0 Essentials 1 – Locating the Triangle’s Centroid
- GeoGebra 4.0 Essentials 2 – Constructing a Rectangle
- GeoGebra 4.0 Essentials 3 – Triangles, Incircles and CircumCircles
- GeoGebra 4.0 Essentials 4 –Angles, Lengths and Object Properties
- GeoGebra 4.0 Essentials 5 – The Compass Tool and the SSS Congruence
- GeoGebra 4.0 Essentials 6 –Sliders and Rhombuses
- GeoGebra 4.0 Essentials 7– Using the Keyboard Commands
- GeoGebra 4.0 Essentials 8 – Graphs and their Properties
- GeoGebra 4.0 Essentials 9 – Texts and Variables
- GeoGebra 4.0 Tutorial 10 – Exporting Your Document

**GeoGebra Intermediate Tutorial Series**

- GeoGebra 4.0 Tutorial 1– Midpoints and Quadrilaterals
- GeoGebra 4.0 Tutorial 2 – Constructing an Equilateral Triangle
- GeoGebra 4.0 Tutorial 3 – Constructing a Square
- GeoGebra 4.0 Tutorial 4 – Graphs and Sliders
- GeoGebra 4.0 Tutorial 5 – Discovering the Pythorean Theorem
- GeoGebra 4.0 Tutorial 6 – Parameterization of Area and Length of a Rectangle
- GeoGebra 4.0 Tutorial 7 – Sliders, Rotation and the Angle Sum Theorem
- GeoGebra 4.0 Tutorial 8 – Tracing Graphs of Trigonometric Functions
- GeoGebra 4.0 Tutorial 9– Vector and Translation
- GeoGebra 4.0 Tutorial 10 – Vectors and Tessellation
- GeoGebra 4.0 Tutorial 11 – Sliders and Graphs of Trigonometric Functions

More tutorials will be updated soon.