MO.A. Algebraic Relationships
A.2. Represent and analyze mathematical situations and structures using algebraic symbols.
A.2.A. Represent mathematical situations
A.2.A.1. Using all operations, represent a mathematical situation as an expression or number sentence (DOK 2; MA4 1.10)
A.3. Use mathematical models to represent and understand quantitative relationships.
A.3.A. Use mathematical models
A.3.A.1. Model problem situations, using representations such as graphs, tables or number sentences (DOK 2; MA4 1.6)
MO.N. Number and Operations
N.2. Understand meanings of operations and how they relate to one another.
N.2.A. Represent operations
N.2.A.1. Represent and recognize multiplication and related division using various models, including equal intervals on the number line, equal size groups, distributive property, etc. (DOK 2; MA1 1.10)