# Common Core MATH 7 NS 1c Grade 7 The Number System Apply And Extend Previous Understandings Of Operations With Fractions To Add Subtract Multiply And Divide Rational Numbers

**The Number System: Apply And Extend Previous Understandings Of Operations With Fractions To Add, Subtract, Multiply, And Divide Rational Numbers.**

Understand subtraction of rational numbers as adding the additive inverse, p - q = p + (-q). Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle in real-world contexts.