8.NS: This lesson unit is intended to help you assess how well students reason about the properties of rational and irrational numbers. In particular, this unit aims to help you identify and assist students who have difficulties in: • Finding irrational and rational numbers to exemplify general statements. • Reasoning with properties of rational and irrational numbers.Supports the following Standards of Mathematical Practice • 2 Reason abstractly and quantitatively. • 7 Look for and make use of structure. • 8 Look for and express regularity in repeated reasoning.