## The Number System

###### 6.NS.1 Apply and extend previous understandings of multiplication and division to divide fractions by fractions.

###### 6.NS.2 - 6.NS.4 Compute fluently with multi-digit numbers and find common factors and multiples.

###### 6.NS.5 - 6.NS.8 Apply and extend previous understandings of numbers to the system of rational numbers.