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Please emphasise that positive numbers increase the quantities and negative numbers decreases the quantity(amount)<br>
 
Please emphasise that positive numbers increase the quantities and negative numbers decreases the quantity(amount)<br>
 
'''Procedure:'''<br>
 
'''Procedure:'''<br>
 +
[[File:Number line activity.png|200px]]<br>
 
'''Step 1'''<br>
 
'''Step 1'''<br>
 
Ask boys to write positive number  and girls to write negative numbers on a sheet of paper. Each one should write one number. Instruct them to arrange the numbers in order on the floor.
 
Ask boys to write positive number  and girls to write negative numbers on a sheet of paper. Each one should write one number. Instruct them to arrange the numbers in order on the floor.
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