A1.A-REI.A.1

Code Standard Coding: 
A1.A-REI.A.1
Code Standard standard: 

Explain each step in solving a simple equation as following from the equality of numbers asserted at the previous step, starting from the assumption that the original equation has a solution. Construct a viable argument to justify a solution method.

Extend from linear to quadratic equations.

Code Standard Domain: 
Reasoning with Equations and Inequalities (A-REI)
Code Standard Cluster: 
A1.A-REI.A Understand solving equations as a process of reasoning and explain the reasoning.
Code Standard Conceptual Category: 
Algebra - A
Code Standard Course: 
Algebra 1
Is this Mathematics?: 
yes
Is this ELA?: 
no