View source for GCompris/C2/Addition-and-Subtraction-of-Numbers/English










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|-
|| '''Visual Cue'''
|| '''Narration'''
|-
|| '''Slide Number 1'''

'''Title slide'''
|| Welcome to the spoken tutorial on '''Addition and Subtraction of Numbers'''.
|-
|| '''Slide Number 2'''

'''Learning Objectives'''

|| In this tutorial, we will learn,
*To count the items

*Addition of numbers

*Subtraction of numbers

*Arithmetic expressions showing addition and subtraction
|-
|| '''Slide Number 3'''

'''Learning Objectives'''
|| 
*To count the money

* To practise addition and subtraction with a memory game
|-
|| '''Slide Number 4'''

'''System Requirements'''
|| To record this tutorial I am using,

Ubuntu Linux OS v 18.04

'''GCompris''' v 0.97
|-
|| '''Slide Number 5'''

'''Pre-requisites'''

'''https://spoken-tutorial.org/'''

|| To follow this tutorial learner must be familiar with, 
* Basic computer skills

* '''GCompris''' interface

For the prerequisite tutorials please visit this website.
|-
|| Cursor on the interface.

Click on the '''toolbox''' icon >> Point to the '''Virtual Keyboard''' option.

Click on the red cross icon of the '''Virtual Keyboard''' option.

Click on the red cross icon at the top right corner. 
|| Here I have opened the '''GCompris''' interface.

Open the '''configuration''' page and check if the '''Virtual Keyboard''' is enabled.

If this option is disabled then enable it by clicking on the red cross icon.

Close the '''configuration''' page.
|-
|| Click on the sheep with numbers icon.
|| Let’s click on the sheep with numbers icon.
|-
|| Point to all activities.

Point to '''Numeration''', '''Arithmetic''' and '''Measures''' tab.
|| Activities related to the numbers are displayed on the interface. 

Activities are grouped under 3 different headings '''Numeration''', '''Arithmetic''' and '''Measures'''.
|-
|| Click on '''Count the items''' activity.
|| Under the '''Numeration''' tab, click on '''Count the items''' activity.
|- 
|| Cursor on the interface.
|| The activity opens.
|-
|| Point to the orange fruit.

Point to the orange fruit.
|| On the screen, we can see oranges.

Please note, the fruit may be different in your case.
|-
|| Cursor on the interface.
|| In this level, we have to count the number of oranges available on the screen.
|- 
|| Cursor on the interface.
Drag the oranges one by one >> place them in one row.
|| To count them, organize the oranges in a row.

Drag the oranges one by one and place them in one row.
|-
|| Count the total number of oranges present in a row.

Point to the 4 oranges.
|| Count the total number of oranges.

There are 4 oranges.
|-
|| Click on the number 4 from the number keyboard at the bottom of the screen.

Point to the number 4 in the orange box.
|| Click on number 4 from the number keyboard at the bottom of the screen.

Notice that number 4 is indicated in the orange box. 
|-
|| Point to the smiley face.
|| Smiley face pops up on the screen if we have done it correctly.
|-
|| Point to the 2nd level.

Point to the fruits on the screen.

|| The next level loads on the screen.

Here, two varieties of fruits are displayed on the screen.
|-
|| Point to the apples and grapes.

Count and enter the correct number of apples and grapes.
|| As shown previously, organize the apples and grapes in separate rows.

Count and enter the correct number of apples and grapes. 
|-
|| Click on the back and forth arrow icon.

Click on the back and forth arrow icon.
|| As you go to the higher levels, the number of items increases.

Explore these levels to improve the counting skills.
|-
|| Click on the '''home''' icon.
|| Click on the '''home''' icon to quit the activity.
|-
|| Cursor on the interface.

Click on the '''Arithmetic''' tab.

Point to all the activities.
Click on '''The magician hat''' activity with plus sign.
|| Let's move on to the activity of addition.

Click on the '''Arithmetic''' tab.

Activities related to the arithmetic are displayed here.

Click on '''The magician hat''' activity with plus sign.
|-
|| Cursor on the interface.

Point to the hat.
|| The activity opens on the screen. 

Here we can see the hat on the left side of the screen.
|-
|| Point to the yellow stars on the right side of the screen.

Point to the plus sign.

Point to the hat.
|| On the right side, we can see the yellow colour stars.

The plus sign indicates addition.

In this activity, we have to count the number of stars under the hat.
|-
|| Click on the hat to open it.
|| Click on the hat to open it.
|-
|| Point to the moving stars.
|| Observe the moving stars inside the hat.
|-
|| Point to the two rows of stars.

Point to the two rows of stars.

Count the total number of stars in two rows.
|| There are two rows of stars.

These stars are equal to the number of stars under the hat.

We have to count the total number of stars in both the rows.
|-
|| Point to the stars.

Click on the 9 boxes which are highlighted in blue.
|| Here the total is 9.

So click on the 9 boxes which are highlighted in blue to input your answer.
|-
|| Click on the '''OK''' button.
|| Click on the '''OK''' button to validate your answer.
|-
|| Point to the smiley face.
|| Smiley face indicates that we have done the addition correctly.
|-
|| Click on the back and forth arrow icon.
|| Explore the other levels in this activity. 
|-
|| Click on the '''home''' icon.
|| Click on the '''home''' icon to quit the activity.
|-
|| Click on '''Practice addition with a target game''' activity.
|| Let’s click on '''Practice addition with a target game''' activity.
|-
|| Cursor on the interface.

Point to the target and dart.

|| The activity opens.

In this activity, we have to hit the target with the darts and count the score.
|-
|| Point to the plus symbol.

Click on the plus symbol.
|| Plus symbol indicates the target.

Click on the plus symbol to launch a dart on the target.
|-
|| Click a few times on various sections on the board.

Point to the arithmetic expression.

Point to the arithmetic expression.
|| Click a few times on various sections on the board.

An arithmetic expression is displayed at the top which indicates the score.

Add all the numbers given in the expression.
|-
|| Point to the number 6.
|| The score is 6.
|-
|| Click on the number 6 from the number keyboard at the bottom.

Cursor on the interface.

|| Then click on the number 6 from the number keyboard at the bottom.

You may also enter your score on the '''qwerty''' keyboard of your system.
|-
|| Click on the back and forth arrow icon.
Click on the back and forth arrow icon.

Click on the '''home''' icon to quit the activity.
|| Click on the back and forth arrow icons to go to the next level.

Explore the other levels in this activity to practice more examples of addition.

Click on the '''home''' icon to quit the activity.
|-
|| Scroll down >> click on '''Gnumch equality''' activity.

Cursor on the interface.

Point to the table and arithmetic expressions.
|| Scroll down and click on '''Gnumch equality''' activity.

The activity opens.

Here we can see a table having different arithmetic expressions. 
|-
|| Point to the message '''Equal to 6'''.

Point to the expressions and number 6.
|| The message '''Equal to 6''' is displayed below the table.

We have to guide the '''number muncher''' to find the expressions which are equal to 6.
|-
|| Point to the first expression in the table.

Point to the message '''Equal to 6'''.

Press the spacebar of the keyboard.

Point to the swallowed expression.

|| Look at the first expression in the table.

It is equal to number 6.

Press the spacebar on the keyboard.

We can see that the expression is being swallowed by '''Gnumch'''.
|-
|| Press the arrow key of the keyboard >> point to the next expression.
|| Press the arrow key of the keyboard to go to the next expression.
|-
|| Check the other expression in the table >> click on them.
|| Likewise check the other expression in the table and click on them.
|-
|| Select the wrong number >> point to the error.
|| The error message will be displayed on the screen if we click on the wrong expression.
|-
|| Press the enter key on the Keyboard >> click on all the equations which are equal to number 6.
|| Press enter key on the keyboard or click on this message to continue.
|-
|| Point to the new number at the bottom of the screen.
|| After completing this level, a new number is displayed at the bottom of the screen.
|-
|| Point to the '''troggle'''.

Point to the error message.

Click on the error message.

Click on the error message >> Cursor on the first level.
|| Here we have to be very careful with the '''troggle'''.

If we strike with the '''troggle''', a message appears.

Click on this message to continue.

If we strike with the '''troggle''' again then it will take you to the first level.
|-
|| Cursor on the interface.

Click on the '''home''' icon.
|| Explore this level.

Click on the '''home''' icon to quit the activity.
|-
|| Cursor on the interface.

|| Now we will check the activities for learning subtraction.
|-
|| Click on the '''Numeration''' tab.
|| Click on the '''Numeration''' tab.
|-
|| Scroll down >> click on '''Practice subtraction with a fun game''' activity.
|| Scroll down and click on '''Practice subtraction with a fun game''' activity.
|-
|| Point to '''tux'''.

Point to the fish.
|| Here we can see '''tux''' who is hungry.

We have to help him to catch the fish.
|-
|| Point to the ice tiles.

Point to the '''tux''' and fish.

Subtract 1 from 3.
Point to the ice tiles between '''tux''' and fish.
|| To do so count the number of ice tiles '''tux''' has to cross to catch the fish.

Here '''tux''' is standing on the first tile whereas fish is on the 3rd tile.

Thus subtract 1 from 3.

Therefore two ice tiles are present between '''tux''' and the fish.
|-
|| Click on the domino two times.

Point to the two dots on the domino.

Click on the '''OK''' button.
|| Then click twice on the domino.

These two dots represent the number of tiles between '''tux''' and the fish. 

Click on '''OK''' button.
|-
|| Count and enter the number of ice tiles between '''tux''' and the fish.
|| Likewise count and enter the correct number of ice tiles between '''tux''' and the fish.
|-
|| Click on the back and forth arrow icon.

Click on the '''home''' icon to quit the activity.
|| Explore other levels in this activity for more interesting learning.

Click on the '''home''' icon to quit the activity.
|-
|| Click on the '''Measures''' tab.

Point to the activities.
|| Let’s click on the '''Measures''' tab at the top right corner.

Activities related to the measurements are displayed here.
|-
|| Click on the '''Money''' activity.
|| Click on the '''Money''' activity.
|-
|| Cursor on the interface.

Cursor on the interface.
|| The activity opens.

This activity will help the learner how to pay with coins or paper currency.
|-
|| Point to the object.

Point to the price.

Cursor on the interface.
|| Here we can see the object. 

The price of the object is displayed below the object.

To buy this object we have to pay the exact money.
|-
|| Point to the list of money at the bottom of the screen.

Point to the 5 rupees and 1 rupees , 2 rupees coins.
|| Money in various denominations is given at the bottom of the screen.

Here we have 5 rupees Paper currency and coins of 1 and 2 rupees.
|-
|| Point to the coins or paper currency at the bottom of the screen to pay the 7 rupees.

Click on one 5 rupees paper currency and one 2 rupees and 1 rupee coin.

|| Click on the coins or paper currency to pay the 7 rupees.

I will click on one 5 rupees paper currency and a 2 rupee coin.
|-
|| Click on the extra coin or paper note.

Click on that note or coin on the upper screen area.
|| If an extra coin or paper currency is added mistakenly then we can remove it. 

Click on it to delete it from the box.
|-
|| Point to the next level.

Click on the back and forth arrow icon.
|| After the completion of this level, the next level loads on the screen.

At higher levels, more items are displayed.
|-
|| Click on the back and forth arrow icon.

Click on the back and forth arrow icon.

Click on the '''home''' icon.
|| First calculate the total price of displayed objects, then pay the exact money.

Explore these levels. 

Click on the '''home''' icon to quit the activity.
|-
|| Click on the '''Arithmetic''' tab.

Cursor on the interface.

Point to '''Addition and subtraction memory game'''.
|| Lets click on the '''Arithmetic''' tab.

Now we are all familiar with both addition and subtraction.

Let's practise these with '''Addition and subtraction memory game'''.
|-
|| Scroll down >> click on the '''Addition and subtraction memory game'''.

Point to the set of blank cards.

Click on the cards.

Click on the other cards.
|| Scroll down and click on the '''Addition and subtraction memory game'''.

Here we can see a set of cards facing the other side.

Half of the cards have addition or subtraction equations on the other side.

The other half have outputs for those corresponding equations.
|-
|| Click on the card.

Click on the other card.
|| Now click on the card to see the equation or the output.

Then click on any other card.
|-
|| Cursor on the interface.

Cursor on the interface.
|| You can only turn two cards at a time.

You need to remember where the equations and their outputs are hidden.
|-
|| Point to the disappeared card.
|| The matching pair of cards disappears.
|-
|| Click on the remaining cards.

Click on the remaining cards.

|| Likewise click on the remaining cards to pair them.

Once all the cards disappear, you will win this level.  
|-
|| Click on the back and forth arrow icon.

Click on the '''home''' icon.
|| Explore the other levels in this activity.

Click on the '''home''' icon to quit the activity.
|-
|| '''Slide Number 6'''

'''Summary'''
|| Let us summarize.
|-
|| '''Slide Number 6'''

'''Summary'''
|| In this tutorial, we have learnt, 
*To count the items
*Addition of numbers
*Subtraction of numbers
*Arithmetic expressions showing addition and subtraction
|-
|| '''Slide Number 7'''

'''Summary'''
|| 
* To count the money

* To practise addition and subtraction with a memory game.
|-
|| '''Slide Number 8'''

'''Assignment'''

|| As an assignment,

Explore the following activities,

1)Addition of numbers

2)Subtraction of numbers

3)Gnumch inequality

4)Memory game with images
|-
|| '''Slide Number 9'''

'''About Spoken Tutorial project'''

|| The video at the following link summarizes 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:'''

Do you have questions in THIS '''Spoken Tutorial'''?
* Please visit this site.

* Choose the minute and second where you have the question.

* Explain your question briefly.

* Someone from our team will answer them.
|| 
Please post your timed queries in this forum. 
|-
|| '''Slide Number 12'''

'''Acknowledgement'''
|| Spoken Tutorial Project is funded by MHRD, Government of India.
|-
|| 
|| This is Meenal Ghoderao from IIT Bombay.

Thank you for joining.
|-
|}