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