Kindergarten Grade Common Core: A.REI.1

Common Core Identifier: A.REI.1 / Grade: K

Curriculum: Reasoning With Equations And Inequalities: Understand Solving Equations As A Process Of Reasoning And Explain The Reasoning

Detail: 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.