Prealgebra aligned to CCSS-M Standards

Cluster - MA.8.CCSS.Math.Content.8.EE Expressions and Equations

8.NS.2 Use rational approximations of irrational numbers to compare the size of irrational numbers.

Cluster - MA.8.CCSS.Math.Content.8.NS The Number System

Teacher Resources


8.NS: This lesson unit is intended to help you assess how well students are able to distinguish between rational and irrational numbers. In particular, it aims to help you identify and assist students who have difficulties in: • Classifying numbers as rational or irrational. • Moving between different representations 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.

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