GeoGebra-5.04/C2/Introduction-to-GeoGebra/English
Visual Cue | Narration |
Slide Number 1
Title Slide |
Welcome to this tutorial on Introduction to GeoGebra. |
Slide Number 2
Learning Objectives |
In this tutorial, we will learn,
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Slide Number 3
System Requirement |
Here I am using,
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Slide Number 4
Pre requisites |
To follow this tutorial, learner should be familiar with basic Mathematics. |
Slide Number 5
Download Geogebra |
To download Geogebra, please use the link shown below:
I have already downloaded Geogebra using the above link on my Linux machine. |
Click on Dash Home.
In the search bar geogebra. Point to GeoGebra icon. Double-click on GeoGebra icon. |
To open GeoGebra applicaton in Ubuntu Linux OS, click on Dash Home.
In the search bar type geogebra. GeoGebra icon appears. Double-click on the icon to open the GeoGebra application. |
In the Search the web and Windows box, type geogebra.
Point to GeoGebra. Click on it. |
Let us open GeoGebra application in Windows 10 OS.
In the Search the web and Windows box, type geogebra.
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Cursor on the interface. | This is the GeoGebra interface. |
Click on each menu option and show. | It has a standard menu bar with menu items,
File, Edit, View, Options, Tools, Window and Help. |
Hover the mouse on the geometric tools.
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Below the menu bar, is a tool bar with various geometric tools.
On the right side of the tool bar, we have Undo, Redo, Help and Preferences options. |
Point to the views.
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Below the tool bar we have Algebra view and Graphics view.
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Point to Graphics view.
Point to Algebra view.
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Graphics view is used to create geometric figures using tools on the toolbar.
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Click on View menu to show various views. | Using View menu, we can open or close any view based on our requirement. |
Point to the input bar. | At the bottom of the window, we have an input bar. |
Click in input bar to show alpha.
Click on alpha symbol. Click on ? mark to show the command inputs. |
We can directly enter algebraic commands and functions using the input bar. |
Point to Grid and Axes. | By default grid and axes options are enabled on the Graphics view.
You can disable the axes or grid using the context menu. |
Right click on Graphics view.
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Right click on Graphics view.
The Graphics menu opens. |
Point to Grid and Axes check boxes. | In this menu, we have options to check and uncheck Axes and Grid. |
Cursor on Graphics view. | Let me show you another method to enable or disable the axes and grid. |
Point to small arrow triangle next to Graphics view. | Notice a small arrow triangle next to Graphics, named as Toggle Style Bar. |
Click on the arrow triangle >> drop down menu opens.
Point to first two options. |
Click on the arrow triangle to open the drop-down menu.
Here you will see options to check and uncheck the axes and grid. |
Point to tool bar. | Next we will learn about the tool bar in detail. |
Click on Move Graphics View tool. | Let us click on Move Graphics View tool at the right end of the toolbar. |
Point to dark blue border. | Notice that, a dark blue border appears around the tool.
This indicates that the tool is selected. |
Point to the name and function. | Hover the cursor on the tool.
Its name and function appears in the tool tip box. |
Point to the selected tool
Click and drag the Graphics view. |
Using this selected tool, we can move the Graphics view.
Click and drag the Graphics view as required. |
Point to the arrow triangle.
Place the cursor on the triangle at the corner of any tool. |
Each tool has a small black triangle at its corner.
When the cursor is placed on the triangle, it turns red. |
Click on Move tool.
Move the mouse over the related tools. |
Let us click on Move tool on tool bar.
A drop-down list of related tools appear. |
Click on Point tool >> click anywhere on the Graphics view.
Point to A Click again. Point to the coordinates in the Algebra view. |
Let us draw points in the Graphics view.
Click on Point tool and then click on the Graphics view Point A is drawn. Click again to draw another point B. Note that the corresponding coordinates of the points appear in the Algebra view. |
Click on Line tool.
Point to the line tools. |
Let us learn to draw a line.
Click on the triangle at the corner of Line tool. Here you can see a list of Line tools to draw various types of lines. |
Click on Line tool and click on points A and B | Using Line tool, we will draw a line through points A and B.
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Point to all the objects. | Let us delete all the objects on the Graphics view. |
Press Ctrl+A
Press Delete key on the keyboard. |
Press Ctrl+A to select all the objects.
Press Delete key on the keyboard. |
Click on Line tool >> Click on Graphics view line AB. | Let us redraw the line AB.
Click on Line tool and click on the Graphics view. Click again at a different place to draw the line AB. |
Point to line AB. | Next I will draw a line perpendicular to line AB. |
Click on Perpendicular Line tool.
Click above line AB to draw point C >> click on line AB. Point to line g |
To do that, click on the Perpendicular Line tool.
Line g passing through C is perpendicular to line AB (f). |
Point to line AB. | Next let us draw a line parallel to line AB. |
Click on Parallel Line tool.
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Click on Parallel Line tool.
Click below AB to draw point D, then click on line AB. A line h, parallel to AB and passing through point D, is drawn. |
Point to the lines. | Now we will mark intersection points for the two lines. |
Click on Intersect tool, in the Point tool drop down. | In the Point tool drop-down, select Intersect tool. |
Click on the intersection of lines f and g.
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Click on the intersection point of the lines f and g.
Then click on the intersection point of the lines g and h. |
Now we will make our drawing a bit interactive. | |
Click on Move tool. | Click on Move tool. |
Click on and drag point A. | Click on point A and drag. |
Cursor on on various points. | Notice that points E and F and all lines move along with point A. |
Cursor on B and D. | Similarly we will move points B and D. |
Drag point B >> Drag point D. | Points E , F and the lines move along with point B.
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Cursor on points A, B and D | Points A, B and D are independent objects. |
Point to the points E and F. | Now I will try to move points E or F.
This indicates that, points E or F are dependent objects. |
Cursor on the interface. | Now let us change the properties of the lines. |
Right click on line AB.
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Right click on line AB.
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Click on Object Properties.
Point to the Preferences window. |
Select Object Properties.
Preferences window opens. |
Resize the Preferences window. | Resize the Preferences window to see the changes on the Graphics view. |
Point to the properties in the window. | I will explain some basic properties in the Preferences window. |
Type name as Line AB. | In Name box, you can change the name to Line AB. |
Type caption as Original Line. | And the Caption as Original Line. |
Click the Show Object check box to show or unshow the line. | Click the Show Object check box, to show or unshow the line. |
Point to Show Label drop down. | The Show Label check box has a drop down to choose. |
Point to Name & value.
Point to the name and value below the line. |
I will choose Name & Value.
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Click on Color tab.
Point to the color box. |
Next click on the Color tab.
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Point to the Preview box. | Below the colour box there is Preview box to view the changed colour. |
Click on green box. | I will click on the green box.
The colour of Line AB has changed to green. |
Click on Style tab. | Next click on Style tab. |
Point to Line Thickness, Line Opacity, Line Style. | Here you can change, Line Thickness
Line Opacity and Line Style. |
Close Preferences window. | Close the Preferences window. |
Point to line AB. | Observe the Line AB with changed object properties. |
Point to Line h | I will change the object properties of line h. |
Point to the Preferences window. | Right-click on line h, to select Object Properties.
Preferences window opens. |
Point to colour, style of line h.
Click on Style tab >> click on Dashed line. |
Here I will change the colour to pink and style to dashed line. |
Close Preferences window. | Close the Preferences window. |
Click File menu and select Save.
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Now let us save the file.
Click File menu and select Save. Save dialog box opens. |
Select Documents folder. | I will select Documents folder on my machine.
You can select any folder of your choice on your machine. |
Type the File name as Lines >> click on Save. | Type the File name as Lines.
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Point to the file extension. | Our file is saved with .ggb extension. |
Slide Number 6
Assignment |
Pause the tutorial and do this assignment.
Draw a line segment AB using Segment tool Draw a perpendicular bisector to segment AB. Rename the lines and change the object properties. |
Show the completed assignment | Your completed assignment should look like this. |
Click on File and select New Window. | Let's now open a new window.
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Cursor on Graphics view.
Click on top right x to close Algebra view. |
I will now explain about Graphics window properties.
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Right click on Graphics window. | Right click on the Graphics window. |
Point to the options in the Context menu. | The context menu opens with various options. |
Choose Graphics option. | Choose Graphics option. |
Point to Preferences window. | The Preferences window opens. |
Point to Preferences window.
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In the Preferences window, we will see Basic, xAxis, yAxis and Grid tabs.
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Cursor on Axes. | We will change the properties of the Axes in the Basic tab. |
Click on Bold check-box.
Point to the Axes. |
Click on Bold check-box.
This makes the Axes bold. |
Click on Color button.
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Click on Color button.
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Point to dark colour >> click OK button.
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You can choose any dark colour and click OK button.
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Select Line style drop down.
Point to two-sided arrow option. |
Next, select Line style drop down.
I will select two-sided arrow option. |
Point to Miscellaneous. | Now we will move on to Miscellaneous properties. |
Click on Background Color button.
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Let us change the background colour of the Graphics view.
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Select light green >> click OK button.
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I will select light green and click OK button.
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Click on Grid tab.
Point to Show Grid check-box. |
Now click on Grid tab.
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Click on Color button.
Choose a color box appears. |
Let us change the colour of the Grid.
Choose a color box appears. |
Select Dark Green
Click OK button.
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I will select Dark Green and click OK button.
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Close the Preferences window.
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Close the Preferences window.
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Slide Number 7
Assignment |
As an assignment explore,
1. Grid Type options 2. xAxis and yAxis tabs |
Let us summarise what we have learnt. | |
Slide Number 8
Summary |
In this tutorial, we have learnt,
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Slide Number 9
About Spoken Tutorial project |
The video at the following link summarises the Spoken Tutorial project.
Please download and watch it. |
Slide Number 10
Spoken Tutorial workshops |
The Spoken Tutorial Project team conducts workshops and gives certificates.
For more details, please write to us. |
Slide Number 11
Forum for specific questions: |
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Slide Number 12
Forum for specific questions: |
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Slide Number 13
Acknowledgement |
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This is Madhuri Ganapathi from, IIT Bombay signing off.
Thank you for watching. |