Changes

=Activity - The idea of negative numbers and operations on negative numbers =

=Activity - The idea of negative numbers and operations on negative numbers =

==Objectives of the activity==

==Objectives of the activity==

#Develop an idea that negative numbers are part of a type of numbers<br>

#Develop an idea that negative numbers are part of a type of numbers.

#That negative numbers are continuous<br>

#That negative numbers are continuous.

#Repesent the number line with zero as a place holder<br>

#Understand that positive and negative signs indicate opposite quantities.

 

#Represent the number line with zero as a place holder.

 

==Estimated Time==

==Estimated Time==

This is an activity for a lesson to introduce negative numbers; can be more 2-3 period

This is an activity for a lesson to introduce negative numbers; can be more 2-3 periods.

==Materials/ Resources needed==  

==Materials/ Resources needed==  

==Multimedia resources==

==Multimedia resources==

==Website interactives/ links/ simulations/ Geogebra Applets==

==Website interactives/ links/ simulations/ Geogebra Applets==

==Process (How to do the activity)==

==Process (How to do the activity)==

Use the same example as before ([[Quantity_and_Numbers|apples and counting]]) to discuss add, take away etc.  This activity is in multiple part.

Use the same example as before ([[Quantity_and_Numbers|apples and counting]]) to discuss add, take away etc.  This activity is in multiple part.

- 3 x 1 = -3<br>

- 3 x 1 = -3<br>

- 3 x 0 =  0<br>

- 3 x 0 =  0<br>

- 3 x-1 = -3<br>

- 3 x-1 = 3<br>

- 3 x-2 = -6<br>

- 3 x-2 = 6<br>

- 3 x-3 = -9<br>

- 3 x-3 = 9<br>

Extend the pattern above. By simple pattern evaluation we see it is 3, 6 and 9.  We have shown the number line above.  It makes sense logically that the next number is 3 and that it becomes positive. The best way to extend this to division is to treat this as multiplication by fraction and extend these rules.<br>

Extend the pattern above. By simple pattern evaluation we see it is 3, 6 and 9.  We have shown the number line above.  It makes sense logically that the next number is 3 and that it becomes positive. The best way to extend this to division is to treat this as multiplication by fraction and extend these rules.<br>

'''To link back to the concept page'''

'''To link back to the concept page'''

[[Numbers]]

[[Numbers]]