Difference between revisions of "Geogebra/C2/Spreadsheet-View-Basics/English-timed"

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||00:01
 
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||Hello Everybody. Welcome to the Geogebra tutorial on Basics of Spreadsheets
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||Hello Everybody. Welcome to the Geogebra tutorial on '''Basics of Spreadsheets'''.
  
 
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||00:05
 
||00:05
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||If this is the first time you are using Geogebra, please see the “Introduction to Geogebra” Tutorial on the spoken tutorial website.
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||If this is the first time you are using Geogebra, please see the '''Introduction to Geogebra''' tutorial on the spoken tutorial website.
  
 
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||00:12
 
||00:12
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||To get started with Geogebra, I am using the GNU/Linux operating system Ubuntu Version 10.04 LTS and the Geogebra Version 3.2.40.0
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||To get started with Geogebra, I am using the '''GNU/Linux operating system Ubuntu Version 10.04 LTS''' and the '''Geogebra Version 3.2.40.0'''.
  
 
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||00:23
 
||00:23
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||The objective of this tutorial is see how to use the Spreadsheet in Geogebra
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||The objective of this tutorial is to see how to use the '''Spreadsheet''' in Geogebra.
  
 
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||00:29
 
||00:29
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||In this tutorial we will use the spreadsheet to perform basic data representation and calculations.
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||In this tutorial, we will use the spreadsheet to perform basic data representation and calculations
  
 
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||00:49
 
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||First we will use the marks of 50 students in a 50 mark test.
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||First, we will use the marks of 50 students in a 50 mark test.
  
 
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||01:13
 
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|| Select the menu item view, and Check the spreadsheet view.
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|| Select the menu item view, and check the spreadsheet view.
  
 
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||01:25
 
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||the first column A represents the from class boundary.column b To and column c frequency.
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||the first column A represents the from class boundary. column b To and column c frequency.
  
 
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||and 10
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||and 10.
  
 
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||Similarly I can do that for the To value.
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||Similarly, I can do that for the To value.
  
 
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||02:22
 
||02:22
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||Let us create the class boundary list and the frequency list. To do that select the column B here.
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||Let us create the class boundary list and the frequency list. To do that, select the column B here.
  
 
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||We just have to modify this by right clicking and checking on object properties and making sure the first value zero appears here   
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||We just have to modify this by right clicking and checking on object properties and making sure the first value zero appears here.  
  
 
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||02:57
 
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||Now for the frequency list do the same thing. Select the frequency right click and say create list.
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||Now for the frequency list, do the same thing. Select the frequency right click and say create list.
  
 
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||One of the options is the list of class boundaries and list of raw data.lets use that
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||One of the options is the list of class boundaries and list of raw data.lets use that.
  
 
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||03:35
 
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||I would say L_1 geogebra is case sensetive and for the class boundaries and L_2 for the frequencies and press Enter.
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||I would say L_1 geogebra is case sensitive and for the class boundaries and L_2 for the frequencies and press Enter.
  
 
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||Now to make the histogram more visible or readable , I will use the move drawing pad.And then I will also right click on drawing pad properties here and change this distance to 5 which is the width of each bar and say close.
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||Now, to make the histogram more visible or readable , I will use the move drawing pad. And then I will also right click on drawing pad properties here and change this distance to 5 which is the width of each bar and say Close.
  
 
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||A is the sum of the product of length and width of each bar
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||A is the sum of the product of length and width of each bar.
  
 
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||the next step is to create points and lines in the spreadsheet view to get a set of parallel lines to the Y axis
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||the next step is to create points and lines in the spreadsheet view to get a set of parallel lines to the Y axis.
  
 
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||Now any command from the geogebra can be typed in a cell here.
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||Now any command from the Geogebra can be typed in a cell here.
  
 
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||05:07
 
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||First to create a point, you just have to give a point like this  
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||First to create a point, you just have to give a point like this.
  
 
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||05:19
 
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||Notice the point appears here with the name A1, which is column A row 1 the cell address with coordinates 1,2.
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||Notice the point appears here with the name A1, which is column A row 1, the cell address with coordinates 1,2.
  
 
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||Now If I select these two cells and then drag the blue square down  
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||Now If I select these two cells and then drag the blue square down,
  
 
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||let me move this here.  
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||Let me move this here.  
  
 
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||And similarly I will in column B I will  
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||And similarly I will, in column B, I will.
  
 
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||Now In the third column if i want to create the line segment.
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||Now In the third column, if i want to create the line segment.
  
 
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||I can use the geogebra command segment and in the value I can give the cell address A1
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||I can use the geogebra command segment and in the value I can give the cell address A1.
  
 
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||I have the class boundaries and frequencies here
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||I have the class boundaries and frequencies here.
  
 
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||08:09
 
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||Use the spreadsheet view to represent the data Create class boundary and Frequency lists  
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||Use the spreadsheet view to represent the data Create class boundary and Frequency lists.
  
 
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||08:15
 
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||Use the input bar to create the histogram with the lists  
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||Use the input bar to create the histogram with the lists.
  
 
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||Change the frequency and observe the change in the histogram
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||Change the frequency and observe the change in the histogram.
  
 
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||histogram here  
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||histogram here.
  
 
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||In assignment two we will Create concentric circles using the spreadsheet view
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||In assignment two, we will Create concentric circles using the spreadsheet view
  
 
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||08:43
 
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||Draw a point A on the drawing pad to mark the centre of the circle Use the spread sheet to create a column A of Radias
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||Draw a point A on the drawing pad to mark the centre of the circle. Use the spread sheet to create a column A of Radius
  
 
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||08:52
 
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||Use column B of the spreadsheet to create the circles with centre A and the radius from Column A
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||Use column B of the spreadsheet to create the circles with centre A and the radius from Column A.
  
 
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||08:58
 
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||Move the Centre point A and observe  
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||Move the Centre point A and observe.
  
 
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||observe the circles  
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||observe the circles.
  
 
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||09:27
 
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||Thank you this is Bindu signing off. Enjoy exploring Geogebra.
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||Thank you this is Bindu, signing off. Enjoy exploring Geogebra.
  
 
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Revision as of 16:10, 20 February 2015

Time Narration
00:01 Hello Everybody. Welcome to the Geogebra tutorial on Basics of Spreadsheets.
00:05 If this is the first time you are using Geogebra, please see the Introduction to Geogebra tutorial on the spoken tutorial website.
00:12 To get started with Geogebra, I am using the GNU/Linux operating system Ubuntu Version 10.04 LTS and the Geogebra Version 3.2.40.0.
00:23 The objective of this tutorial is to see how to use the Spreadsheet in Geogebra.
00:29 In this tutorial, we will use the spreadsheet to perform basic data representation and calculations
00:36 and Use the data to construct a histogram.
00:39 We will also see how the spreadsheet view can be used to create recurring Geogebra objects like creating a set of parallel lines.
00:49 First, we will use the marks of 50 students in a 50 mark test.
00:53 the From and to class boundaries and frequency is available here.
00:59 I am going to copy the frequency on to the clipboard.
01:05 Now to the geogebra window.
01:09 The first step is to make the spreadsheet view visible.
01:13 Select the menu item view, and check the spreadsheet view.
01:19 lets move the spreadsheet view here.
01:25 the first column A represents the from class boundary. column b To and column c frequency.
01:36 Now I have copied the frequency , so let me paste it here.
01:41 Now for the From and To values.
01:46 I did not paste these because I will show you another feature of geogebra spreadsheets.
01:53 First I will start with
01:56 0,
01:59 then 5, 5
02:04 and 10.
02:06 Now if I select the two cells here and then drag this blue square all the way down, notice an arithmetic progression is created.
02:16 Similarly, I can do that for the To value.
02:22 Let us create the class boundary list and the frequency list. To do that, select the column B here.
02:30 Right Click and say create List. Notice L1 here which means L_1 is created.
02:40 We just have to modify this by right clicking and checking on object properties and making sure the first value zero appears here.
02:53 and press close.
02:57 Now for the frequency list, do the same thing. Select the frequency right click and say create list.
03:04 I have L_2.
03:09 Now to create the histogram , go to the input bar here.
03:15 You can select from the commands here or you can just type histogram.
03:22 Now right here between the square brackets, if you press Enter it tells you the different options.
03:28 One of the options is the list of class boundaries and list of raw data.lets use that.
03:35 I would say L_1 geogebra is case sensitive and for the class boundaries and L_2 for the frequencies and press Enter.
03:47 Notice that the histogram is created here.
03:52 Now, to make the histogram more visible or readable , I will use the move drawing pad. And then I will also right click on drawing pad properties here and change this distance to 5 which is the width of each bar and say Close.
04:15 Then I can zoom out.
04:22 And again move the drawing pad.
04:28 Notice when I create the histogram, it creates this value a=250.
04:34 A is the sum of the product of length and width of each bar.
04:41 I can move this A value up here.
04:49 the next step is to create points and lines in the spreadsheet view to get a set of parallel lines to the Y axis.
04:56 I will take a new Geogebra window.
05:02 Now any command from the Geogebra can be typed in a cell here.
05:07 First to create a point, you just have to give a point like this.
05:19 Notice the point appears here with the name A1, which is column A row 1, the cell address with coordinates 1,2.
05:34 Similarly I can type in here 2.2 and press enter I get A2.
05:45 Now If I select these two cells and then drag the blue square down,
05:54 Let me move this here.
05:56 For this tutorial I will close the Algebra view.
06:02 notice I get 10 points here.
06:08 And similarly I will, in column B, I will.
06:16 1,4 as a point I get this point here I can right click and say show label it shows B1 the cell address.
06:28 I can type in
06:35 2,4 and I get b 2.
06:41 I can again drag this and I get 10 points here.
06:48 Now In the third column, if i want to create the line segment.
06:56 I can use the geogebra command segment and in the value I can give the cell address A1.
07:08 let me move this here
07:12 ,B1 and say enter.
07:17 this is the length of the line which is between A1 and B1.
07:23 Now I can just select this cell and drag it all the way down, I get a set of 10 parallel lines.
07:33 One more thing to note is if you go to options and Algebra.
07:40 Right now it's at value so you see the length of the line in the column C.
07:44 I can change it to command and it will show me the command.
07:51 Now to do assignments ,
07:55 In the first assignment create a histogram using the following data of a Distance between home and school for a class of 35 students.
08:04 I have the class boundaries and frequencies here.
08:09 Use the spreadsheet view to represent the data Create class boundary and Frequency lists.
08:15 Use the input bar to create the histogram with the lists.
08:18 Change the frequency and observe the change in the histogram.
08:22 I have already created this tutorial here.
08:26 notice the
08:31 histogram here.
08:33 Now to the next assignment.
08:36 In assignment two, we will Create concentric circles using the spreadsheet view
08:43 Draw a point A on the drawing pad to mark the centre of the circle. Use the spread sheet to create a column A of Radius
08:52 Use column B of the spreadsheet to create the circles with centre A and the radius from Column A.
08:58 Move the Centre point A and observe.
09:02 I have created assignment here.
09:06 Move the center point and
09:10 observe the circles.
09:12 I would like to acknowledge the spoken tutorial project which is part of the talk to a teacher project.
09:18 It is supported by the National Mission on Education through ICT, MHRD government of India.
09:23 You can see more information about this at this website.
09:27 Thank you this is Bindu, signing off. Enjoy exploring Geogebra.

Contributors and Content Editors

Madhurig, Minal, Pratik kamble, Sandhya.np14

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