Changes

# To understand that negative numbers are numbers that are created to explain situations in such a way that mathematical operations hold<br>

# To understand that negative numbers are numbers that are created to explain situations in such a way that mathematical operations hold<br>

# Negative numbers are opposite of positive numbers; the rules of working with negative numbers are opposite to that of working with positive numbers<br>

# Negative numbers are opposite of positive numbers; the rules of working with negative numbers are opposite to that of working with positive numbers<br>

# Together, the negative numbers and positive numbers form one contiuous number line<br>

# Together, the negative numbers and positive numbers form one continuous number line<br>

# Perform manipulations with negative numbers and express symbolically situations involving negative numbers<br>

# Perform manipulations with negative numbers and express symbolically situations involving negative numbers<br>